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Operator
Good day, everyone, and welcome to today's Bristol-Myers Squibb 2017 First Quarter Results Conference Call.
Today's conference is being recorded.
And at this time, I'd like to turn the conference over to Mr. John Elicker, Senior Vice President, Public Affairs and Investor Relations.
Please go ahead, sir.
John E. Elicker - SVP of Public Affairs and IR
Thanks, Melody, and good morning, everybody.
Thanks for joining us to review our first quarter results.
With me this morning are Giovanni Caforio, our Chief Executive Officer; Charlie Bancroft, our Chief Financial Officer; Tom Lynch, our new Chief Scientific Officer; and Murdo Gordon, our Chief Commercial Officer.
Giovanni, Tom and Charlie will have prepared remarks, and then Murdo will obviously be available for Q&A as well.
Before we get started and I turn it over to Giovanni, I'll take care of the safe harbor language.
During the call, we'll make statements about the company's future plans and prospects that constitute forward-looking statements.
Actual results may differ materially from those indicated by these forward-looking statements as a result of various important factors, including those discussed in the company's SEC filings.
These forward-looking statements represent our estimates as of today and should not be relied upon as representing our estimates as of any future date.
We specifically disclaim any obligation to update forward-looking statements even if our estimates change.
We will also focus our comments on our non-GAAP financial measures, which are adjusted to exclude certain specified items.
Reconciliations of these non-GAAP financial measures to the most comparable GAAP measures are available at our website.
Giovanni?
Giovanni Caforio - CEO and Director
Thanks, John.
Good morning, everyone.
I think it's fair to say we just had an outstanding quarter with strong performance across the company.
Our non-GAAP EPS was $0.84, up $0.10 over the first quarter of last year.
We grew our revenue by 12%, with double-digit growth across our key growth drivers.
Starting with I-O.
Sales for Opdivo were strong despite a more competitive landscape in the U.S. for lung cancer.
In the U.S., while we have seen some share loss in lung cancer, our share has shown signs of stabilization in recent weeks.
Outside lung, we've seen growth in renal, melanoma, head and neck and bladder.
Internationally, we've made great progress on access and reimbursement.
Sales were strong across all indications.
From a regulatory perspective, we continue to make progress, namely the U.S. Opdivo approval in bladder, the Japanese approval in head and neck and the CHMP positive recommendations for bladder and head and neck in Europe.
We shared important new data from our immuno-oncology portfolio at AACR, including overall survival data from Study -067, the TMB analysis from Study -026 and the early data from our IDO inhibitor.
We also advanced our diversified portfolio with encouraging data from our FGF21 for NASH at EASL.
And we will work with regulatory authorities to initiate a registrational program as soon as possible.
We made significant progress from a business development perspective, investing in translational capabilities through deals like GRAIL and Foundation Medicine, and broadening our immuno-oncology clinical development program through agreements to study combination approaches with different mechanisms across a range of tumor.
As I look at the company going forward, I see tremendous opportunity, driven by our industry-leading portfolio and the very best people in the business, all focused on maximizing value for our marketed products and advancing our pipeline.
Certainly, all of you are focused on our I-O portfolio and our lung cancer program, in particular.
This is a key focus for us as well.
The first-line landscape has become very dynamic, and the outlook for this market is continually evolving.
Our teams have done a great job maintaining our position, and we believe we have the most comprehensive program in first line.
I'm sure you'll have questions about our development program in lung, but let me just say here that over the next 12 to 18 months, we expect to see a lot of important data.
But we are not just a lung cancer company.
Over the next 12 months, we are also anticipating important data readouts for Opdivo and Yervoy in renal cancer, hepatocellular carcinoma and small cell lung cancer.
We also have many important opportunities in a range of other tumor types.
This is particularly true with respect to our next wave of I-O assets, with 10 new mechanisms in addition to PD-1 and CTLA-4 in clinical development.
During the year, we plan to present additional data from first disclosures for many of our next-wave I-O assets beginning at ASCO, where we will show IDO, GITR and LAG-3.
Tom will speak more about all of this in a moment, underscoring the critical importance of translational medicine to the work we are doing here as well as across our other therapeutic areas.
And we are not just a cancer company.
This is clear by Eliquis' continued strong performance in the U.S. and other key markets and by the double-digit growth of Orencia and Sprycel.
Eliquis has now exceeded $1 billion in revenue in the quarter and is the leading NOAC in the U.S. based on total prescriptions.
And importantly, we are continuing to see warfarin usage decline in terms of new-to-brand scripts, and we expect this trend to continue as the NOAC class expands.
It is also clear by the fact that we will have data to potentially support 3 registrational starts in the next 12 months in our fibrosis and immunoscience portfolios.
Our fibrosis pipeline includes first-in-class and best-in-class opportunities, with a focus on fibrosis of the liver and lung, and we believe our first compound for NASH, PEG-FGF21, has significant potential in an area with great need for new treatments.
In immunoscience, we are pursuing novel mechanisms to treat a number of different autoimmune diseases, including lupus, RA, inflammatory bowel disease, Sjögren and others.
Beyond our strong performance and pipeline, we continue to look at a balanced approach to capital allocation as a key part of our strategy.
Business development continues to be a priority for us, and we are sourcing external opportunities across the preclinical and clinical areas as well as building our translational capabilities.
Charlie will talk later about our progress in that area during the quarter.
All in all, I feel really good about the quarter and the opportunities that lie ahead.
As John mentioned, we are pleased that Tom has joined our company and is with us here today.
Tom brings an important mix of experiences to his new position: his deep scientific expertise as a researcher, having led clinical trial design and drug development, primarily in lung cancer; his work as a practicing physician, who has treated thousands of patients; his years of collaboration with academia and the larger scientific community; his leadership experience in large organizations, most recently at MGH, where he gained a deep understanding of the payer environment and the importance of value in ensuring access to medicines for serious diseases; and, of course, his work as a member of our board for the past few years.
Taken together, Tom has the experience and energy needed to realize the full potential of our pipeline.
Here, let me again express my personal gratitude to Francis Cuss for his more than 13 years with our company.
Francis made significant contributions to our R&D organization during a transformative year for Bristol-Myers Squibb, and I couldn't be more grateful.
And with that, I will turn it over to Tom.
Thank you.
Thomas J. Lynch - Chief Scientific Officer and EVP
Thank you, Giovanni.
Good morning, everyone.
I'm truly delighted to be joining my first earnings call as Chief Scientific Officer of Bristol-Myers Squibb.
As Giovanni mentioned, there is great potential in our pipeline.
I knew this from my role on the Board of Directors, and it was the major reason I decided to join the management team.
Our breadth and particularly, our depth in I-O position Bristol-Myers Squibb to make a major difference in how common cancers are treated and even allow us to begin to think about the possibility of cure for many types of cancer.
In the short time that I've been in this role, just over 6 weeks, I've become even more enthusiastic about the opportunity with our pipeline and our people, both within oncology and across our cardiovascular, immunoscience and fibrosis assets.
As I meet with my discovery and development teams here in Princeton, in Redwood City and across the globe, I'm struck that BMS is a company with remarkable R&D talent, particularly in antibody technology, medicinal chemistry, clinical development and in our regulatory operations.
This, coupled with the strong integration between R&D and commercial, makes me very optimistic about our ability to execute and to continue to deliver transformational medicines to patients.
As a leader, I have always believed that culture matters.
At MGH and at Yale, I worked hard to build a patient-focused research environment.
Ever since I joined BMS as a Director, I knew the company had a patient-centric focus.
But as I've been meeting more and more people in this role, I've been struck by just how patient-focused the mission is here.
In every meeting, we hear the patient voice.
Our research teams are driven to improve the lives of people with cancer, heart disease, fibrosis and rheumatologic disease.
There are some key capabilities that I will look to build in the coming months.
These will focus on 3 principal areas.
First, we will enhance our translational medicine capability.
Biomarker development to select the right drug for the right patient at the right time is key.
Second, we will invest in cancer biology.
Translational medicine starts with fundamental research, and the scale of our pipeline demands that we have the best understanding that we can of our patients and of their diseases.
Third, we will invest in data and analytics.
We are at an inflection point as a society and as an industry.
In order to execute our pipeline of about 20 oncology assets, 20 cardiology, immunoscience and fibrosis assets, 15 compounds in preclinical development and nearly 80 programs in discovery, we need to enhance our analytic capacity to execute this pipeline with deliberate speed.
In addition to what we do at BMS, we will pursue strategic external collaborations to help meet these needs.
Some recent examples include the expansion of our International Immuno-Oncology Network and new collaborations with the Parker Institute, Foundation Medicine and GRAIL.
Working together will enable us to move even faster and to identify patients most likely to benefit from our medicine.
This is not just good to do scientifically, but it's good for patients, and it's what payers and regulators expect.
As a cancer researcher and through my experience running the Massachusetts General Physicians Organization, I know that it's impossible for one company or institution to do it all.
And given the fast pace of scientific innovation happening today, collaboration across the entire health care ecosystem is becoming increasingly important.
In the near term, my most important priorities for the R&D organization include the 4 areas.
First, accelerating the delivery of our next wave of I-O assets like IDO, which we recently presented data on at AACR.
We'll also be presenting early results for LAG-3, GITR and the Incyte IDO at ASCO this year.
Second, understanding the biology of I-O resistance, both intrinsic resistance and acquired, and bringing a laser-like focus to overcoming this.
We will focus on expanding into tumor types where I-O hasn't had a broad impact yet, tumors like breast cancer, colorectal cancer and prostate cancer.
We will use our next-wave assets to create options for patients who progress on their initial I-O therapy.
Third, we will continue to develop combination regimens, including IO-IO combinations, I-O-targeted combinations and IO-chemotherapy combinations where these make sense.
And fourth, we will accelerate the development of our most promising assets in the cardiovascular, immunoscience and fibrosis pipeline.
As Giovanni mentioned, we recently presented promising Phase II data on our FGF21 asset in patients with NASH at The International Liver Congress.
The results showed an improvement across multiple aspects of NASH, including a significant reduction in liver fat versus placebo, and we look forward to sharing these data with the health authorities.
In closing, BMS has accomplished much in the last 5 years, but its true impact lies ahead.
I'm excited about the opportunities and proud to lead an R&D organization that is focused, science-oriented and data-driven and one that is driven to deliver medicines that have the potential to transform the lives of our patients.
I'll now turn it over to Charlie.
Charles A. Bancroft - CFO, Head of Global Business Operations and EVP
Thank you, Tom.
Good morning, everyone.
As Giovanni described, we delivered very strong financial results for the quarter due to robust performance across our portfolio.
Let me provide some color on the performance of our key products.
I'll start with Eliquis, which, for the first time, sold over $1 billion in a single quarter.
In the U.S., Eliquis is now the leading agent in the NOAC class, which continues to grow as warfarin use declines.
During the quarter, sales in the U.S. were driven by a sequential 8% increase in TRx and from the positive impact of lower Medicare coverage gap compared to Q4 of last year.
Internationally, Eliquis delivered strong growth of 51% compared to the same time last year as it gains an established position as the standard of care in stroke reduction for AFib around the world.
Sales for Opdivo in the U.S. increased 6% sequentially, driven by the demand growth that Giovanni described and some from favorable inventory movement compared to Q4.
We continue to expect our U.S. lung business to be under pressure this year, assuming KEYNOTE-021G is approved next month.
However, given the stability in second-line lung in Q1 and strong trends we've seen across other indications in our U.S. business, we now believe that there is potential for Opdivo to grow in the U.S. this year compared to 2016.
During Q1, we saw sequential growth in international Opdivo sales when adjusting for the approximately $250 million revenue recognition catch-up for France and Germany we booked in Q4.
We successfully negotiated reimbursement for Opdivo in several markets during the quarter, including a Pan tumor agreement in Canada as well as agreements for renal cell cancer and non-squamous cell lung cancer in Italy.
Based on positive sales trends and reimbursement successes, we continue to expect international sales for Opdivo to grow for the full year.
Additionally, we saw Yervoy return to growth in international markets during the quarter as access and reimbursement approvals for the regimen facilitated greater adoption.
Orencia also delivered double-digit growth, with solid underlying brand trends as we continue our commercial focus on the early, rapidly progressing RA patient.
U.S. sales in the quarter were up 13% despite unfavorable inventory movement.
In addition, as we have seen in other years during Q1, we saw softer demand in the subcu market at the start of the year, which we believe is due to coverage resets early in the year.
Now I'd like to highlight a couple of items from our non-GAAP P&L.
Gross margin was down 160 basis points compared to the same time last year, driven mainly by product mix, though this was partially offset by FX due to recognition of hedge gains and favorable FX on inventories from Q4.
Going forward, we expect the continued strength of Eliquis and decline of our high-margin virology business to pressure our gross margin.
Other income and expense is down by approximately $72 million versus prior year primarily due to the change in the tiered AZ Diabetes royalty rate last year to a flat 12% this year.
This was partially offset by our accrual of PD-1 royalties from Merck in Q1 of $30 million.
We continue to take a balanced approach to capital allocation, with business development remaining a top priority.
As Giovanni mentioned, this quarter reflected a significant level of strategic activity to support our immuno-oncology pipeline and translational capabilities.
We executed multiple transactions since our last earnings call, spanning investments and collaborations with biotech and academic partners, adding registrational clinical opportunities and capabilities and diagnostic platforms and genomic profiling that strengthened our pipeline and our capabilities in translational medicine.
In addition, we delivered against our new share repurchase authorization with a $2 billion ASR in February, and we plan to begin repurchase activity under a 10b5-1 program once the ASR process completes by the end of the second quarter.
I'll now provide some comments on guidance.
Based on our strong performance, we are increasing our non-GAAP EPS guidance range to $2.85 to $3.
As always, this range assumes current foreign exchange rates.
We are increasing revenue guidance to the mid-single-digit range due to the strong trends across the business, particularly our key products: Opdivo, Eliquis and Yervoy.
As I mentioned, gross margins saw some FX favorability in Q1.
However, at current rates, we expect margins to decline as the year progresses and continue to see our rate in the 72% to 73% range for the year.
For R&D, we are now expecting an increase in the low double-digit range as we see opportunities for slightly higher investment across our portfolio, including some of the new clinical collaborations I mentioned earlier.
As Giovanni said, we had a very strong quarter from a financial and operational perspective.
We continue to pursue important opportunities in our pipeline, both in I-O and our specialty portfolio, and we are committed to putting resources where we can deliver the greatest value.
Now let me turn it back to John to kick off the Q&A.
John E. Elicker - SVP of Public Affairs and IR
Okay.
Thanks, Charlie.
So we're ready to go to questions.
Melody, we can go ahead and start.
Operator
(Operator Instructions) And we'll go to our first caller.
John E. Elicker - SVP of Public Affairs and IR
I think the operator is not going to announce the caller, so once you get a prompt, if you go ahead and introduce yourself.
Operator
With no response, we'll move to the next caller.
Next caller, please go ahead.
Christopher Thomas Schott - Senior Analyst
It's Chris Schott at JP Morgan.
So just 2 questions here, maybe the first one for Giovanni and for Tom.
Just a question on lung and this ongoing debate around IO-IO versus IO-chemo combinations.
I think one of your competitors today announced that they're also going to be looking at chemo combos with PD-1 in addition to their IO-IO combos.
And I'm just interested in your latest thinking on the role you see chemo playing in this I-O landscape relative to CTLA-4 and some of the other next-generation agents you're developing.
My second question was specifically on IDO and just more thoughts there on IDO as a combination agent and your approach to this target as you kind of balance your internal asset versus the external partnership.
So just any more color there would be helpful.
And maybe as you're answering that, just latest time lines on when we could potentially think about that internal asset moving forward into registrational studies.
Giovanni Caforio - CEO and Director
Thank you, Chris.
This is Giovanni.
Let me just start, and I'll ask Tom to comment on both of your questions.
So on lung strategy, as you heard from me and Tom, we are very comfortable with the fact that we have a very broad approach to first-line lung cancer, very broad program.
We are, indeed, investigating various treatment modalities, including IO-IO, IO-chemo and, as you know, potentially, the combination of the 2 approaches with IO-IO coupled with chemotherapy.
And I am pleased that over just a few months, we have been able to evolve our lung cancer program, taking advantage of ongoing studies, and that enrollment has progressed, I would say, very much in line with our expectations.
With respect to IDO, the one thing I would say at a very high, strategic level is that as we see really promising modalities, I think the ability to complement external collaborations as we advance internal programs, provide, again, in the same spirit, a very broad set of options for us in order to be competitive from a timing perspective at the same time as we develop potentially best-in-class.
But let me ask Tom to give you his comments on both.
Thomas J. Lynch - Chief Scientific Officer and EVP
Well, Chris, thank you for your questions.
And I just want to start by saying lung cancer is a really hard disease to treat.
And you don't need to go any further than this morning's New England Journal, the paper by Charlie Swanton's group looking at the genomic diversity of this disease, both within tumors and between tumors.
It's a tough disease to treat.
And we believe it's important for us to have multiple approaches to treating patients with non-small cell lung cancer.
We think the approach of Bristol-Myers Squibb that includes IO-IO and IO-chemo and I-O-targeted drugs gives us a broad and diverse and balanced approach to how we're going to go after lung cancer.
And I think that there may well be certain patients that are going to benefit from I-O monotherapy, IO-IO and IO-chemotherapy.
I don't think there will be a one-size-fits-all approach to this disease.
I want to comment about CTLA-4 and how important a target this is in lung cancer and other cancers as well.
I mean, CTLA-4, I think has been validated as an important partner with Opdivo.
Just look at our data in melanoma and the -067 study, which showed that we actually have a survival advantage, the only IO-IO combination that's been shown to have a survival advantage.
And we think CTLA-4 matters in this disease and requires investigation.
I think just to show you how deep our commitment to CTLA-4 is as an agent, we have 2 additional compounds with CTLA-4 that we're developing as targets.
The first is the non-fucosylated CTLA-4, which has now entered into clinical study.
There's a trial that we describe on ClinicalTrials.gov that you can take a look at; and our relationship with CytomX has developed the CTLA-4 compound as a Probody that we think might have a different toxicity profile with this agent.
So we believe it's important for Bristol-Myers Squibb to be looking at CTLA-4 as an important target.
Now, that doesn't mean the next-gen agents aren't important.
And you mentioned IDO.
This is a target that Bristol-Myers Squibb is intimately involved with in 2 ways.
I mean, last year, we went out and we purchased Flexus, and we acquired the IDO compound.
And at ASCO, we presented data on the Flex -- on our IDO with Opdivo, which we think gives us a compound that may be differentiating, gives us a PK/PD profile that may well describe an opportunity for us to have a unique place in the marketplace.
And this year at ASCO, you're going to see data on the Incyte IDO, along with Opdivo, in important settings.
And we plan, by the end of this year, to begin randomized Phase III trials of the Incyte IDO with Opdivo in lung, head and neck and melanoma.
So Chris, I think it's important to say that we're committed to CTLA-4, and we also think that IDO and our next-gen agents are also important to develop in lung cancer.
It's a complex marketplace, and we need to develop the right drugs for a very broad and diverse group of patients.
John E. Elicker - SVP of Public Affairs and IR
Thanks, Chris, for the question.
Melody, can we go back to the first group in the queue?
I got an email from the team at Barclays saying that they were having trouble recognizing that they were up.
So I don't know if it's Geoff Meacham or Paul Choi.
But could you go to them, please, again?
Operator
Yes, definitely.
Just one moment.
And, Mr. Meacham, your line is now open.
Geoffrey Christopher Meacham - MD and Senior Research Analyst
Okay, great.
It seems the biggest opportunity longer term in I-O is really the cold tumors, breast, ovarian, colon, et cetera.
To follow up on the earlier comments, CTLA-4 combos, is that -- do you guys feel, at this point, CTLA-4 combos plus PD-L1 is going to be a component of that?
Are there other targets across the I-O landscape, the many different targets, that look more viable in cold tumors versus hot?
Thomas J. Lynch - Chief Scientific Officer and EVP
Geoff, thanks for your question.
I think this echoes what I mentioned earlier, the concept of looking at resistance.
Resistance is incredibly important, and it's really characterized a lot of oncology drug development because looking at where your drugs don't work tells you as much as you learn from looking where your drugs do work.
And what I explained earlier and outlined is the 2 areas I'm most worried about in terms of resistance is -- or I think that are actually opportunities, is what about the cold tumors that don't respond and then what about the patients who have initial response to anti-PD-1 or anti-CTLA-4 therapy who then progress.
Now, as you know, we have 10 targets in I-O that we're working on and 12 agents in those 10 targets.
So we think we have multiple opportunities to look at combinations of IO-IO agents in these cold tumors.
We presented data with our IDO asset, as you mentioned, and we also will be presenting data, initial data at ASCO this year with our GITR compound, which could be the type of agent that might play a role in the cold tumor space.
But we will increasingly look at combinations of agents in that setting that might make a difference.
Operator
We'll go next to Gregg Gilbert with Deutsche Bank.
Gregory B. Gilbert - MD and Senior Analyst
Maybe, Tom, you could -- here's an opportunity for you to straighten this out on the timing of -227, whether it's final or interim.
That would be helpful.
And curious, Tom, if you have a view on whether PD-1s and PD-L1s can be different from one another other than by trial design strategy.
And one for Giovanni real quick.
In light of the activist investor interest and significant change in the board, curious if you can comment on what's changed in terms of how you're spending your time, the company strategy, options you're exploring to enhance value.
Or do you see this as sort of business-as-usual kind of stuff?
Thomas J. Lynch - Chief Scientific Officer and EVP
Gregg, thank you for your questions.
I'll start off by commenting on the timing of -227.
As we have published on ClinicalTrials.gov, we expect the data from -227 to report in the first half of 2018.
And as we also have announced, there will be an interim look, and we'll look at that data with our Data Safety Monitoring Committee as the data matures, but we expect the data to be the first half of 2018.
So the second question comes down to the differences and similarities between PD-1 drugs.
And I think my feeling is that I think there's highly likely to be much more similar between these drugs than there are going to be differences.
Now we know, for example, that pembro and nivo recognize slightly different epitopes and there's slight differences in these compounds.
But clinically, when you look at the totality of the data, they really behave fairly similarly to each other.
So I actually don't think we're going to find enormous differences in the differences between the various different PD-1 drugs.
Now, the difference between PD-1 and PD-L1 agents, certainly, there's a possibility that there'll be more information looking out on that, and I remain open to looking at the data as it emerges across that area.
Giovanni?
Giovanni Caforio - CEO and Director
Gregg, thank you.
So from my perspective, let me say that I'm really very happy with the ability that we have to have broadened strength and the capabilities on the board.
That's clearly very important for a company like ours.
With respect to what our priorities are, they really have not changed.
We are, as you have seen today, extremely focused on continuing to execute as well as we have for the short term.
And we are extremely focused, and I am extremely focused, on delivering the value of an extraordinary promising pipeline, which is probably the broadest and the deepest the company's had.
So that's where we are spending our time.
Those are our priorities and clearly they're mine as well.
Operator
We'll go to Tony Butler with Guggenheim Securities.
Charles Anthony Butler - Senior Analyst
Two brief questions.
One, if I may, around Eliquis.
Tremendous number for the quarter, but the COMPASS data will read out later this year at European Heart, and I'm curious if it does possibly have an effect on the NOAC class as a whole.
Or could it be viewed somewhat negatively for Eliquis, at least in CAD/PAD?
And that is does the class actually increase?
Or is this just dependent upon -- or do we single out rivaroxaban?
And then secondly, Charlie, an excellent gross margin quarter, but the question really is how should we think about that going forward in the year?
They bounce around a little bit, at least they had last year, but this is clearly a change from what we've seen in the last 2 years.
Murdo Gordon - Chief Commercial Officer and EVP
Yes.
Thanks, Tony.
It's Murdo here.
I'll address the Eliquis question and pass it over to Charlie for your second part.
First off, we're really pleased with the Eliquis performance in the quarter and continuing what was a great year last year.
As Giovanni mentioned, total prescriptions, now we're in a leadership position in the NOAC class, and we continue to feel good about growth based on leading indicators that we look at in the market, which are NBRx trends as well as our cardiology trends.
We're also seeing strong performance across the rest of the world.
Now, as I think about the COMPASS trial, it's actually an interesting question, and obviously, without data, it's hard to speculate.
What I do see happening, though, is a continued strength of our profile in the divided daily dose of Eliquis in atrial fibrillation and VTE.
What we need to wait to see is the quality of the COMPASS data at a different dose that XARELTO used in that trial versus the dose that they currently use in VTE and in atrial fibrillation.
So hard to compare the COMPASS data to any of the data that exist already in the marketplace.
And then the other question remains, is what's the utility of a NOAC versus anti-platelet drugs in the patient population that was studied in the COMPASS trial.
So I probably have some more questions related to that trial that I have answers, but we do not see it impacting our AF and VTE business going forward.
Charles A. Bancroft - CFO, Head of Global Business Operations and EVP
Tony, it's Charlie.
Let me address your margin question.
As you know, our gross margin is heavily influenced by product mix, with Eliquis having -- given the structure of our relationship with Pfizer, having a lower than 50% margin.
So the growth of Eliquis with the loss of our higher-margin virology business has put pressure on our gross margin.
Sort of the uptick that we saw in the first quarter is almost solely due to foreign exchange when we think about it exiting out of the fourth quarter of last year, and that's more of a onetime impact that we see in the first quarter and not really repeating for the balance of the year.
Operator
We'll go to Seamus Fernandez with Leerink.
Seamus Christopher Fernandez - MD, Major Pharmaceuticals and Biotechnology
So a couple of quick questions.
Can you guys talk a little bit about how -- in the wake of the settlement with Merck, how you plan to prosecute your rights around the patent estate that you've built up around PD-1?
Obviously, it was successful with Merck, but they had a different time to market, and there are many, many other PD-1s out there.
So just wondering how aggressive you feel that you can be as a company or if you think that that's not a value-added strategy.
And the second question really, if I look at the trends on Eliquis and the still sort of overall market opportunity with the substantial amount of warfarin out there, this feels like it could be well more than a $10 billion category.
In fact, Eliquis may have an awful lot of runway ahead of it, particularly given your opportunity to extend the patent.
So just wanted to get a better sense of how much incremental opportunity you think there really is to grow the category in the U.S. and internationally.
Giovanni Caforio - CEO and Director
Thanks, Seamus.
This is Giovanni.
So let me start, and I will ask Murdo to give you his comments on Eliquis.
So first, on the settlement with Merck, we think that that is an extremely important recognition of the strength of our IP estate with respect to immuno-oncology and PD-1s.
And I think that settlement is critically important, but also, it reinforces our perspective that we will continue to vigorously defend our IP across the board.
And that, clearly, is a priority for the company.
It has not changed.
If anything, it actually has become stronger post the settlement with Merck.
Let me just also say that we also are very focused on Eliquis, and we agree with the significant long-term potential there is in this market.
And I'll ask Murdo to comment on that.
Obviously, before I do that, let me just get back to the IP.
It's clearly an important priority for us.
It's also one that we share with our partner, Ono, and we are working very closely with Ono on any IP-related issue.
Murdo, on Eliquis?
Murdo Gordon - Chief Commercial Officer and EVP
Yes.
Thanks, Giovanni.
Thanks, Seamus.
We're also -- as Giovanni said, we're very enthusiastic about the trajectory of Eliquis so far, and we're working closely with our partners at Pfizer to capitalize on the untapped opportunity that still exists in the market.
As you mentioned, over half of the TRx business is still a warfarin-based treatment patient population.
And if you look at the leading indicators, new-to-brand shares, warfarin is about 27% of the OAC, so still a good delta to capitalize on in terms of leading indicators.
We continue to invest appropriately in Eliquis.
The other thing I would mention is outside of the U.S., the -- in some markets around the world, the NOAC class is even more under-penetrated in the market.
So when you combine the U.S. opportunity and the European opportunities, we continue to feel that there's a large growth trajectory and a high ceiling for that brand.
Operator
We'll go to Tim Anderson with Bernstein.
Timothy Minton Anderson - Senior Analyst
A couple of questions.
If I look at the totality of things that have happened over the last, call it, 6 months, including programs you've advanced like IDO and chemo combo and backup CTLA-4s and other things like that, a bearish point of view could say that this foretells problems with Yervoy and Opdivo, specifically in front-line lung.
So my question is, can you say you're as confident as ever in the possibility that -227 is going to deliver the goods in this regards in front-line lung?
Or is it fair to say that Bristol's internal confidence in this is less than what it was, perhaps, a year ago?
And then the second question is still on -227.
There's been some rumblings about additional changes potentially to the construct of that trial above and beyond what you've talked about earlier.
I'm wondering if you can just clarify whether any of this is correct since the latest updates that we've had, and this includes things like expanding various arms to new sub-groups and time lines for readouts and sizing up the trial and that sort of thing.
Giovanni Caforio - CEO and Director
Tim, thank you.
This is Giovanni.
Let me just start.
So obviously, a lot has happened in the last 6 to 12 months in first-line lung cancer.
As I said earlier and Tom reiterated, this is a very difficult disease to treat.
It has evolved very rapidly.
You just think of the data that was released in the last 12 months, and it's clear that our competitive position has changed and continued to evolve.
My perspective is that today, we have the broadest program for first-line development for our immuno-oncology portfolio in lung, and we are extremely focused on executing that program.
Execution is on track.
And I'll let Tom answer you with respect to study design.
Thomas J. Lynch - Chief Scientific Officer and EVP
And, Tim, thanks for your question.
I think a couple of things to say.
I think the first is that, again, just emphasizing how complex and difficult the disease lung cancer is to treat.
It's highly unlikely that there's going to be one approach that's going to fit every patient who presents in first line.
We believe strongly that Yervoy-Opdivo is certainly one of the options that needs to be pursued and developed, and we're looking at that in first-line lung cancer.
And we're also looking at it in the setting of what appropriate biomarkers might be important in evaluating the potential for this combination and for, really, all of our drugs in first-line lung cancer.
So I think that's important to emphasize.
Second question you asked was about changes to -227, and there have been no changes to -227.
The design is the same design as it was the last time it was discussed.
Operator
We'll go to Jami Rubin with Goldman Sachs.
Jamilu E. Rubin - Equity Analyst
A couple of questions, and maybe, Murdo, you can answer this first.
CheckMate -067 at AACR generated more questions about the combo than answers.
Do you see the results leading to an increase in market share for the combo in melanoma or a decrease?
And following up on data that came out at AACR, there was an interesting study that showed high tumor burden as a marker of success for PD-L1.
Just was wondering if you are able to adjust CheckMate -227 to account for this new learning, if at all?
And then lastly, for you, Tom, and I appreciate your introductory commentary on your priorities.
That's very helpful.
Just wondering, though, you had been on the board for 2, 3 years, and appreciate you've only been in this position for a couple of months, but just curious to know what sort of changes you have thought about putting in place.
What would you -- what are you planning to do differently then compared to the former head of R&D?
For example, are there plans to change the way that you go about study designs?
I mean, I think initially, Bristol's focus had been on creating sort of high-value trials, showing overall survival.
Those trials certainly make a lot of sense, but not when your competitors are trying to beat you to the market.
So I'm just wondering if you are changing the way you approach some of these clinical trial designs.
Do you have the right people in place?
Do you have the right regulatory people in place just compared to where the priorities were before?
Giovanni Caforio - CEO and Director
Thanks, Jami.
Murdo, why don't you start?
Murdo Gordon - Chief Commercial Officer and EVP
Sure.
Thanks for the question, Jami.
On -067, first off, I thought Dr. Larkin did a great job presenting these important data from -067 and, as Tom mentioned, the first overall survival data set we have with an IO-IO combination.
We have been out obviously getting feedback from customers in the U.S. and around the world, and I would say that the data have largely been viewed positively as confirmation of the effectiveness of Opdivo plus Yervoy in this patient population.
I would agree with you; there are more questions that still people have because everybody is trying to segment patients in first-line metastatic melanoma, and we continue to work with physicians and investigators on the trial to answer those questions as best we can.
I will say, for those physicians who have used the regimen and continue to believe that they're getting the best results possible in terms of response rates or overall survival in metastatic melanoma, this data set confirmed that belief.
I would say for those physicians that were skeptical or overly concerned about the toxicities, and the toxicities are significant, we recognize that, but we're able to help most experienced treaters through the toxicities, and we're able to help them also discuss them with their patients, for some of those physicians, they remain, I would say, still concerned about the balance of efficacy and safety, particularly in the high expressers.
Now, there are other descriptive analyses that have been completed.
And I will remind you, obviously, it's hard to compare the active treatment of the combination to PD-1 monotherapy because the study wasn't powered to do that.
So people are inferring from the data set certain things that we've yet to statistically prove.
But we have seen also some good descriptive results in BRAF mutant patients, where the combination of Opdivo plus Yervoy looks particularly good.
So there's a lot still to unfold here.
But nonetheless, my summary to all of that is net positive.
Thank you.
Thomas J. Lynch - Chief Scientific Officer and EVP
Jami, Tom Lynch here.
So a couple of things.
First, 2 questions I'll address: one is the mutational burden question; the second are the changes in the R&D organization.
So regarding mutational burden.
I think this is a great example of data that we're very excited about.
As you know, we went back and looked at 0 to 6, and we found that when we stratified patients by mutational burden, we saw that the response rate was superior for nivolumab versus chemotherapy.
But it's early data, and it's going to require confirmation in larger data sets, and it's going to require more evaluation to have a sense of what its ultimate role is.
And what I really want to stress is how difficult it is to develop the appropriate biomarkers.
And just think about a drug like trastuzumab.
And when we started developing trastuzumab, we thought that expression by immunohistochemistry of HER2 was going to be the ultimate marker.
It turned out to be HER2 amplification that was the marker.
Think about the development of erlotinib and gefitinib.
We thought it might be expression by IHC.
We then thought it was going to be amplification.
It turns out it was EGFR mutation that was the most important.
And then also think about cetuximab and its development in colorectal cancer.
It wasn't EGFR expression.
It turned out to be RAS mutation.
So these are all very complex areas that require a very committed and disciplined approach to biomarker development.
So the second question you asked comes down to the changes within R&D.
I want to just start off by saying, and I emphasize what I said in my opening remarks, is that the quality and depth of the people and the talent at Bristol-Myers Squibb in R&D, I think is exceptional.
We have 11 approvals in 2 years of I-O agents.
That is an extraordinary track record.
I think the execution of our regulatory team, in particular, is one that is beyond reproach, and I would say -- I tell Giovanni, I said, this is an example, I said, of the kind of execution even Tom Brady would be impressed with.
However, what are our opportunities for moving forward and thinking about how we can do even better?
And that's really where I think we have a couple of key priorities.
The first is we've got to execute our pipeline.
We've got to develop our next-generation drugs.
And to do that, we're going to need to invest in tumor biology and translational medicine as well as data and analytics.
The pipeline's not going to develop itself.
It's going to need us to look at the totality of what we have and understand the best combinations to put together.
And I think that's going to be a very important part of what we are going to do.
So again, translational medicine, investing in more cancer biology.
And then again, I keep coming back to the data and analytics piece and our relationships with GRAIL and Flatiron and looking at how can we look at a complex portfolio, not just in cancer but also in immunoscience, fibrosis and cardiology, to be able to execute this pipeline in a reasonable time frame.
Operator
We'll go to Alex Arfaei with BMO Capital Markets.
Ardalan Alex Arfaei - Pharmaceuticals Analyst
Sorry if I missed this earlier, but was there any inventory or deferred revenue impact on your I-O franchise, particularly Yervoy?
And just following up on an earlier question, how should we think about the patent life for Eliquis in emerging markets?
Charles A. Bancroft - CFO, Head of Global Business Operations and EVP
Yes, this is Charlie.
As I mentioned in my comments, in the fourth quarter of last year, we booked the deferral that we were -- had on our books from France and Germany that equaled about $250 million.
So that happened.
When you look fourth quarter versus first quarter, we did have that one recognition last year.
We did see some slight inventory builds for both Opdivo and Yervoy in the U.S., Opdivo was about $30 million and for Yervoy, about $20 million.
Giovanni Caforio - CEO and Director
And with respect to your question on Eliquis patent, so our composition on matter patent expires February 2023.
We have a pending request for restorational patent terms, which goes until November of 2026.
Operator
We'll go to David Risinger with Morgan Stanley.
David Reed Risinger - MD in Equity Research and United States Pharmaceuticals Analyst
So I have a few questions for Tom, please.
And congratulations on your new role, Tom.
With respect to the first one, that is Opdivo's chemo lead-in strategy to enhance Opdivo's performance in lung cancer is something new.
Could you talk about that a little bit more?
And then second, with respect to the forthcoming MYSTIC trial readout this summer, I guess what would you focus Bristol-Myers' investors on when we're looking at those MYSTIC study results and thinking about cross-trial implications for -227?
And then finally, I think you had mentioned that in the first half of '18, you'll have the -227 results.
But -227 is a very complex study with 3 segments.
Do you expect all 3 segments to be reporting in the first half of '18?
And also, what is the interim look in the fourth quarter of this year?
Is that just in the positive cohort?
Giovanni Caforio - CEO and Director
Thanks, David.
Let me just start by giving you our perspective with respect to your question on MYSTIC.
And as we've commented before, these are different trials with different molecules, a different study design.
We've actually, I believe, really worked hard to optimize dosing and schedule.
So it's very difficult to really speculate on any implications on the results of one study versus the other.
Now I'll ask Tom to answer your question with respect to chemotherapy and then provide some context on timing for -227.
Thomas J. Lynch - Chief Scientific Officer and EVP
Thanks, Dave.
So regarding the rationale for looking at Opdivo in chemotherapy, I like to think that there might be 2 ways that this could be helping in this setting.
Now, as you know, chemotherapy has been the backbone of how we've treated lung cancer for the past 30 years.
And in studies, and again, it's not just with I-O, but it's also looking at the targeted agents, there may be a rationale for the fact that the rapid progressors might be better suited by getting chemotherapy onboard early, that there may be some rationale for that.
The second thought is, perhaps, the addition of chemotherapy to I-O agents could help to create a more favorable environment for immune recognition and activation of the immune system.
So I think there are good rationales for looking at chemotherapy with Opdivo.
And I think one of the things that we're very interested in is how the combination of Opdivo-Yervoy and chemotherapy performs, and we'll be looking at that quad combination to see where that might fit in to the treatment of patients with non-small cell lung cancer.
Regarding the time lines, obviously, these patients were accrued to the different portions of the trial at different times.
I don't anticipate that we would have all of the data in the first half of 2018.
As you know, this is an event-driven world that we live in, in these trials and that we're going to need to see how the data matures.
But we do hope to have the first data in -227 at that point.
Operator
We'll go to Andrew Baum with Citi.
Andrew Simon Baum - Global Head of Healthcare Research and MD
A couple of questions, please.
Just continuing on the theme of chemo and your -568 trial, if I were to ask you whether your intended rationale by combining chemo with your checkpoint blockade is simply addition or some form of immunopotentiation, I'd be interested in your current thesis.
Second, you mentioned Charlie Swanton's papers recently published, where he clearly shows that chemo increases sub-clonality, and thus may actually impair subsequent long-term outcomes arguing against including chemo as first line.
Do you think there is merit to that hypothesis?
And then finally, I noted you'd started a fairly substantial Phase I trial with your next-generation CTLA-4 and non-fucosylated presumably enhanced T-reg depletion.
I know that, that mechanism has been downplayed by Bristol as being contributing to Yervoy's efficacy.
I'm just interested whether there's a rethink of that and, obviously, the implications given the other CTLA-4 molecule in Phase III trials.
Thomas J. Lynch - Chief Scientific Officer and EVP
So Andrew, thank you for your questions.
I'll break them down into the 3 parts.
The first is the rationale behind -568, whether it's due to additional -- addition basically of the 2 mechanisms versus whether it might be more immunostimulatory.
Again, I think that there might well be arguments you can make in both respects, and I keep an open mind to both of those.
And I indicated that in response to Dave's question earlier.
So I actually don't know which of those 2 is going to turn out to be most important.
I think, again, with regard to Charlie's work on the complexity, the genomic complexity and heterogeneity within tumors, I do think we need additional time to see how this plays out in terms of understanding how this impacts the therapeutic classes that we use.
And again, I await the collaborations that we'll be doing to look at those endpoints.
And finally, on CTLA-4 and our next-gen areas, I think the T-reg depletion still is a valid endpoint in developing I-O agents.
Whether it's the principal activity of CTLA-4 or not, I think it's something that is an open question.
But among our agents that we're developing in I-O, we have multiple drugs that we think have, as part of their mechanism, depletion of T-regs.
So I do think that there is potential for T-reg depletion to be important in the activity of I-O agents in our next-gen compounds as we bring them forward.
Operator
We'll go to John Boris with SunTrust.
John Thomas Boris - MD
Congrats on your new role, Tom.
The first question for Murdo.
Just if you look at Opdivo's use currently, what percent is coming from lung, melanoma, renal?
And if we can get a split in lung, in particular, in first-line versus other line use in the U.S. Second question has to do with the use of the diagnostic for PD-L1 testing.
It seems as though many centers have gone to an exclusive use of testing, and a very high percentage of the centers are now testing.
Just any thoughts on how that may shape the landscape, especially as Merck is attempting to pivot into first-line lung use.
And then third and final question on the FGF21.
Just your thoughts, Tom, around single-agent use in fibrosis and NASH versus combination use.
It seems as though one of the major competitors has farnesoid X agonist has certainly moved very aggressively on developing relationships and combination relationships with both the Tobira and the (inaudible) assets to maximize efficacy in this area.
So just your thoughts and your openness to the importance of combinations relative to single-agent therapy, that would be helpful.
Murdo Gordon - Chief Commercial Officer and EVP
Yes.
So John, I'll address your question on testing first.
Basically, what we're seeing in first line is about 80% of patients are receiving a PD-L1 test.
It is becoming, I think, as you mentioned, a standard practice, and we continue to feel that, that will happen in markets outside the U.S. as well as testing proliferates.
So all new -- newly diagnosed first-line lung cancer patients will have a PD-L1 result.
In terms of Opdivo use, overall, we've been very pleased.
I think the team in the U.S. and as well as the teams around the world have done a great job, both defending competitively as well as establishing the launch trajectory of Opdivo.
And right now, in the U.S., about 55% to 65% of our total business is in lung, all lines, in non-small cell lung cancer, all lines.
And when you go worldwide, it's higher than that given that we have a significant lead over Keytruda.
Thomas J. Lynch - Chief Scientific Officer and EVP
So John, thank you for your question about FGF21.
I'm delighted to have a chance to offer some thoughts on this.
We're very excited about FGF21 because it's the first of our agents to come forward from looking at fibrosis and NASH.
And we think this drug has a number of favorable features about it.
It impacts the metabolic drivers, fat accumulation.
It has anti-inflammatory properties, and we also believe it's going to impact fibrosis within the liver itself.
And when you think about the kinds of patients who get NASH, I mean, these are patients who are dealing with obesity, patients who are dealing often with diabetes, metabolic syndrome.
It's a difficult group of patients to treat.
And so how we develop these drugs, whether they're single agents or combinations, I think a key look at side effect profiles, at lipid profiles, at making sure that we're able to achieve endpoints that are meaningful, meaning reduction in fibrosis ultimately, I think will be the ultimate goal.
Whether it's a single agent or a combination, I obviously remain open to both opportunities.
I think there's reasons to think our drug might work as a single agent.
However, I think we would be -- it would be important for us to also consider what combination therapy in the future might look like in this setting.
It's an important unmet medical need that we are very happy to be able to offer some options for.
Giovanni Caforio - CEO and Director
Thank you, Tom.
Again, we are in a very strong position financially, commercially, clinically.
And I believe we are well positioned to continue to grow the company and play an even more important role in the lives of our patients.
Thanks, everyone.
John E. Elicker - SVP of Public Affairs and IR
So thanks, everybody.
That concludes our call.
As always, if you have any follow-ups, give us a call or shoot us an email.
Thank you.
Operator
Ladies and gentlemen, again, that does conclude today's conference.
Thank you all for attending.