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Operator
Ladies and gentlemen, thank you for standing by, and welcome to Gilead Sciences' first-quarter 2012 earnings conference call.
My name is Stacy, and I will be your conference operator for today.
At this time all participants are in a listen only mode.
Later we will conduct a question-and-answer session.
As a reminder, this conference call is being recorded today, April 26, 2012.
I would now like to turn the call over to Susan Hubbard, Vice President of Investor Relations.
Please go ahead.
Susan Hubbard - VP, IR
Thank you, Stacy, and good afternoon everyone.
Welcome to Gilead's first-quarter 2012 earnings conference call.
We issued a press release this afternoon providing earnings results for the quarter.
This press release is available on our website, as are the slides that provide more detail around some of the topics we will cover on today's call.
The speakers for will be John Milligan, President and Chief Operating Officer; Norbert Bischofberger, Executive Vice President R&D and Chief Scientific Officer; Kevin Young, Executive Vice President of Commercial Operations; and Robin Washington, Senior Vice President and Chief Financial Officer.
Robin will first discuss our financial results.
Kevin will review our commercial performance, and Norbert will then provide an update on our research and development progress.
John Milligan will wrap up our prepared remarks by discussing our Quad drug and future outlook and opportunities.
Our Chairman and CEO, John Martin, will not be participating on today's call as he is currently out of the office.
As a reminder, during today's call we will be making forward-looking statements regarding our financial outlook, in addition to regulatory and product development plans.
These risks include the possibility of unfavorable results from our clinical studies, including those evaluating GS-7977, GS-5885, and GS-9669, alone or in combination with other antivirals; the possibility that we may be able unable to meet the anticipated timing for receiving clinical data and making revelatory filings; and the possibility that we are unable to develop an all-oral antiviral regimen for HCV genotype 1 patients or a pan-genotypic regimen for all HCV patients.
These statements are subject to risks and uncertainties that may cause actual results to differ from those expressed in any forward-looking statement.
A description of these risks can be found on our latest SEC disclosure documents and recent press releases.
In addition, please note we undertake no duty to update or revise them.
We also will be using non-GAAP financial measures to help you understand our underlying business performance.
The GAAP reconciliations are provided in our press release as well as on our corporate website.
I will now turn the call over to Robin Washington.
Robin Washington - SVP, CFO
Thank you, Susan, and thank you all for joining us today.
2012 began with solid first-quarter financial results.
Our commercial execution continues, delivering product sales of $2.2 billion, an increase of 19% year-over-year and 4% sequentially, despite a challenging macroeconomic environment.
The US contributed $1.3 billion to product sales, up 25% compared to $1 billion in the first quarter of last year.
Europe contributed $764 million to product sales, up 7% year-over-year, driven primarily by growing underlying product demand.
Non-GAAP product gross margin decreased to 74.5% from 75.7% in the same period of last year, primarily due to the higher cost of efavirenz and changes in product mix, as Atripla and Complera increased as a percentage of revenue, while Truvada decreased.
Non-GAAP R&D expenses for the quarter were $331 million, compared to $237 million in the same period of last year, due to increased clinical activities, particularly in liver disease, and expenses associated with the continued advancement of our product pipeline.
Non-GAAP SG&A expenses for the quarter were $308 million, up from $263 million in the same period of last year, primarily due to an increase in expenses to support the ongoing growth of our business and an increase in the US pharmaceutical excise tax.
During the first quarter we completed an $11.1 billion acquisition of Pharmasset and have allocated the purchase price as follows.
The balance sheet includes in-process research and development of $10.7 billion, goodwill of $75 million, and net assets and liabilities assumed of $64 million.
The GAAP income statement includes a $194 million compensation charge expense for acceleration of unvested stock options.
This compensation expense also negatively impacted operating cash flows for the quarter.
Turning to interest and other income and expense.
During the quarter we recorded a net loss of $40 million or $0.03 per share related to Greek bonds as a result of the Greek government debt restructuring.
Subsequent to the restructuring, we sold all of our Greek bond holdings, which as you may recall, relate to payments for accounts receivable from the years 2007 through 2009.
We no longer hold any Greek bonds, thereby eliminating any further exposure to write-down.
We continue to focus on deleveraging our balance sheet and achieving a targeted net debt to EBITDA of 1.5X by mid-2013.
As part of that commitment during the first quarter we repaid $350 million of our bank debt.
Our operating cash flows during the quarter were $453 million, net of the impact of the $194 million stock-based compensation expense and other Pharmasset-related payments, the timing of vendor payments related to our fall 2011 ERP system implementation and payments for R&D milestones.
And, finally, as detailed on the slide 18, we are reiterating the full year 2012 guidance provided to you on February 2, with the exception of acquisition-related stock-based compensation.
As a result of the $194 million compensation expense we recorded after finalizing the acquisition accounting for Pharmasset, which equates to $0.25 per share, we now anticipate the impact of acquisition-related restructuring and stock-based compensation related expenses will have a full year 2012 diluted EPS impact of $0.56 to $0.59 per share.
I will now turn the call over to Kevin to share more with you regarding first-quarter 2012 commercial results.
Kevin Young - EVP, Commercial Operations
Thank you, Robin.
I am very pleased with the solid start we have made to 2012.
Our antiviral franchise generated product sales of $1.9 billion for the first quarter, up 18% over first-quarter 2011 and up 4% sequentially.
Performance in the US was particularly robust with Atripla and Truvada delivering year-on-year growth of 21% and 17% respectively.
We also had a very healthy US contribution from Complera of nearly $50 million.
I will return to Complera in a moment.
During this most recent quarter there was no change in major US wholesale inventory levels.
They remained the lower end of our contractual range.
However, it was an exceedingly strong quarter for non-retail purchasing, the biggest quarter in absolute terms we have seen.
There was clearly a demand-based component to the large ADAP purchases recorded in the first quarter.
Out of last week ADAP wait lists are down by 67% from their peak in 2011, the current number being slightly in excess of 3,000 patients.
Growth in total prescriptions, especially those for STRs, single-tablet regimens, also remained very positive.
All the major ADAP states now have both Atripla and Complera on their drug formularies.
Finally, the March 2012 update and DHHS guidelines further reinforced earlier treatment of HIV infected individuals.
However, over and above solid market growth characteristics, it is important to highlight that ADAP purchasing likely carried an inventory component, which states like Florida, Illinois and Virginia adopting a use it or lose it approach, recognizing that fiscal year 2011 federal budgets were only finalized in September of last year.
Whilst it is very difficult to predict quarter by quarter ADAP purchasing, the strong first-quarter performance may have a knock-on effect to our second quarter of 2012.
The ADAP federal budget for 2012 has now been confirmed at $935 million, an uplift the $50 million over 2011.
And already states have received their individual allocations up to a national total of $900 million.
The remaining $35 million is subject to an application process.
This very early budget transparency bodes well for ADAP stability in 2012.
Returning to Complera.
The first-quarter results are very encouraging.
We are starting to see Complera recognized as a robust regimen for HIV treatment, and an alternative STR to Atripla.
According to the Ipsos Synovate Q4 data, Complera is the fifth most prescribed regimen across all treated patients, with approximately 5% share.
More importantly, Complera is already the second most prescribed regimen for treatment-naive patients with 19% share, behind only Atripla, a 40% share.
Complera has undoubtedly produced significant growth in patient share over and above this headline.
Our new single tablet is helping Gilead retain patients through lines of therapy.
Prior to the launch of Complera approximately 75% of patients who switched off Atripla retained Truvada in their next regimen.
Now with the introduction of Complera approximately 85% of patients who switch off Atripla retain Truvada either as their NRTI backbone or as part of Complera.
Whilst it is too early for detailed quantitative results on the launch of Eviplera in Europe, the qualitative feedback is matching that of the US.
Eviplera is now on the market in the UK, Ireland, Germany, Austria and the Nordic countries.
In a recent awareness and usage survey performed in Germany by Gilead approximately 80% of the HIV physicians polled said that they would become frequent prescribers of Eviplera.
And major markets of Spain, France and Italy will launch in the second half of 2012.
And I look forward to providing more color on the EU Eviplera rollout as we go through the year.
Before I leave HIV, I wanted to provide you with a quick update on the preparations for the launch of the Quad.
Based upon the strong results of studies 102 and 103, and pending a successful FDA advisory panel review in May and subsequent approval, we are confident we will have another important single-tablet regimen for HIV physicians and their patients.
Our US commercial teams are in the final stages of launch readiness.
We will have an expanded sales team who are fully trained and ready to go by early June.
This timeline will be matched by the commercial manufacturing, national accounts and medical affairs organizations.
In Europe we will start to mirror this effort in the second half of the year.
All in all, the Gilead HIV business looks in good shape for 2012.
And, finally, it would be remiss of me not to call out the first-quarter performance of Letairis, where we recorded a 40% growth over the first-quarter of 2011.
I am proud of the progress made by the Gilead PEH team.
Our proprietary market research indicates that we now have a 50% share of all treated patients.
And just in the last few weeks we added another significant change to our label with the addition of three-year survival data.
To conclude, Gilead delivered a solid set of commercial results, laying down a firm foundation for the year.
I will now hand the call over to Norbert Bischofberger.
Norbert.
Norbert Bischofberger - EVP, R&D, Chief Scientific Officer
Thank you, Kevin.
Just last week we had a significant scientific presence at the European Liver Disease Conference, EASL.
This meeting has grown considerably over the years and this year there were more than 9,000 health care professionals and scientists in attendance.
More than 30 presentations covered Gilead programs and products, and new data were presented on GS-7977, our nucleotide analog for HCV infection, GS-5885, our NS5A inhibitor, and GS-9669, our novel NS5B inhibitor.
Also presented were very important data on Viread for the treatment of hepatitis B.
The very first presentation at the EASL conference reported on an arm in the ATOMIC study, which evaluated a regimen of GS-7977 with pegylated interferon ribavirin for 12 weeks in genotype 1 infected patients.
These data indicated that this regimen resulted in 90% to 94% cure rates without the need for response guided therapy algorithms.
The addition of GS-7977 to pegylated interferon ribavirin did not result in additional side effects, and thus this 12 week regimen could be an important advancement for the field.
Data from the ELECTRON study were also presented, and in addition we chose to include data from the QUANTUM study in last week's press release.
Both data sets were from study arms evaluating GS-7977 with ribavirin for 12 weeks in genotype 1 treatment-naive HCV infected patients.
The studies are ongoing and only SVR4 data were available at the time of the EASL conference.
The SVR4 rates in ELECTRON were 88% and in QUANTUM 59%.
These are exciting results and indicate that it is possible for a genotype 1 patient to be cured with a 12 week course of GS-7977 and ribavirin.
Bristol-Myers Squibb presented data from their study utilizing GS-7977 in combination with their NS5A inhibitor, daclatasvir, with or without ribavirin in genotype 1 infected patients.
After 24 weeks of treatment 100% of genotype 1 HCV treatment groups achieved SVR4.
BMS has also initiated, and is enrolling, a 12 week study evaluating GS-7977 and daclatasvir with or without ribavirin, and data from that cohort is anticipated to be available in the fourth quarter of this year.
We also presented data on the antiviral activity, resistance profile, and persistence of drug resistance mutations for our NS5A inhibitor GS-5885.
Three days of monotherapy with 5885 resulted in median maximal HCV RNA reductions of greater than 3 logs at all doses 3 milligrams or higher.
GS-5885 showed picomotor activity in genotypes 1, 4 and 6 and nanomolar activity in genotypes 2 and 3.
Another poster described the antiviral activity of GS-9669, a novel NS5B non-nucleoside polymerase inhibitor in genotype 1 infected patients.
GS-9669, when dosed for three days at the 500 milligram dose once-daily resulted in median maximal viral load reductions or 3.5 logs in both genotype 1a and 1b.
These data indicate that GS-9669 is one of the most potent non-nucleoside NS5B inhibitors described to date, and has the potential to be co-formulated with GS-7977 into a single-tablet regimen.
Based on Phase II data in genotype 2, 3 patients, which were disclosed previously, we have advanced GS-7977 into two Phase III studies called FISSION and POSITRON.
Both studies will evaluate the 12 week treatment course of GS-7977 with ribavirin in genotype 2, 3 infected patients.
FISSION is conducted in 500 treatment-naive patients and uses a pegylated interferon ribavirin standard of care 24 week control arm.
That study should be fully enrolled by the end of this month.
POSITRON evaluates GS-7977 ribavirin in 240 interferon ineligible or intolerant patients, and utilizes a 12 week placebo arm as the control.
That study should be fully enrolled at the end of May.
Thus with these two studies we should be able to file for approval of GS-7977 for the treatment of genotype 2, 3 infected patients by mid-2013.
A GS-7977 and GS-5885 drug interaction study has been completed indicating that no dose adjustments are necessary when the two agents are used together.
This along with our safety database that includes over 800 patients dosed with GS-5885 will allow us to advance this combination of GS-7977 and 5885 into a Phase II study as an arm in ELECTRON in genotype 1 nonresponders and also into other clinical studies.
There are several paths we could pursue that could accelerate our entry in the market in genotype 1 patients.
But until we complete the dialogue with regulators and this path is crystallized we will not project what that could look like at this time.
At EASL there were also a number of presentations that highlighted the use of Viread for the treatment of chronic hepatitis B infection.
The studies showed that Viread results in high virological suppression and is safe in patients with baseline renal disease.
Now turning to HIV.
I would like to provide a quick update on ongoing studies further exploring the use of Quad.
We have initiated two 48 week Phase IIIb studies to evaluate switching of our virologically-suppressed patients on an NNRTI plus Truvada regimen to Quad and from a protease plus Truvada regiment to Quad, respectively.
Both studies are approximately 20% enrolled.
We also initiated a 50 patient 12 week switch study from raltegravir plus Truvada to Quad, and the study is approximately half enrolled.
In January we announced the initiation of a Phase II clinical trial evaluating GS-7340 for the treatment of HIV infection in treatment naive adults.
We have now completed screening for this 150 patient Phase II study that compares GS-7340 as part of a once-daily co-formulated single-tablet regimen that also contains cobicistat, elvitegravir and entricitabine to our Quad single-tablet regimen.
We have recently completed the co-formulation of the first protease inhibitor containing single-tablet regimen consisting of GS-7340 and entricitabine, darunavir and cobicistat.
And just this month we begin screening patients in a Phase II study comparing this single-tablet regimen to Truvada, darunavir and cobicistat.
With respect to Complera, we fully enrolled the single-tablet Phase IIIb head-to-head study versus Atripla, and anticipate data in the fourth quarter of this year.
As you may recall, the Phase III studies that supported the approval of Complera were blinded studies utilizing rilpivirine, efavirenz and Truvada as single pills given multiple times per day rather than a single-tablet regimen administered once-daily.
This design could have led to the data that underestimate the true benefit of single-tablet regimens.
As a final R&D highlight, three Phase III studies will be initiated in patients with relapsed or refractory chronic lymphocytic leukemia or CLL, with GS-1101 in combination with rituximab, with bendamustine rituximab or with ofatumumab.
The first two of these studies are anticipated to begin enrollment -- enrolling patients this quarter, and the third study will begin in the second half of this year.
All in all, I am very excited about our pipeline and we very much look forward to advancing these programs to the commercial stage.
I will now turn over the call to John Milligan.
John.
John Milligan - President, COO
Thank you, Norbert.
I too am very pleased with the progress of Gilead's extensive portfolio of investigational agents, and would like to add a few additional comments regarding our HIV products.
In early March the conference on retroviruses and opportunistic infections, also known as CROI, took place in Seattle.
Gilead had a significant presence with 45 abstracts focused on Gilead's marketed and pipeline products.
The oral presentations and posters included data on Quad, GS-7340, Viread for HPV and GS-7977 for HCV, as well as Truvada for the prevention of HIV or PrEP.
Importantly, for the first time we are able to present the data from Studies 102 and 103, the two registration old trials of Quad.
Data from Study 102 indicates that Quad was noninferior to Atripla based on the primary endpoint of percentage of patients below 50 copies per milliliter at week 48.
Quad demonstrated its advantages in neuropsychiatric side effects and in cholesterol levels.
Likewise, Study 103 demonstrated that Quad was noninferior to a regimen containing ritonavir-boosted, atazanavir and Truvada.
In the second study, Quad had advantages over boosted -- over the boosted atazanavir regimen with regard to elevated bilirubin levels and triglyceride levels.
In both studies discontinuation rates due to adverse events were similar.
The full results of these two studies have been submitted for publication in the peer-reviewed journal.
And the applications for marketing approval are under review in the United States, Europe, Australia, Canada and Switzerland.
In the US FDA will convene an antiviral division advisory committee panel to discuss the Quad application on May 11.
As many of you know, the PDUFA date for Quad is August 27.
Over the past few years we collaborated with various organizations to explore the use of Truvada for PrEP.
Several studies have shown that the use of Truvada in uninfected at-risk adults can reduce the risk of HIV infection.
Based on these results a supplemental NDA was submitted to FDA in December to expand the indication of Truvada to include the prevention of HIV infection among uninfected high-risk adults.
To get expert advice on this application, FDA will convene an advisory committee meeting on May 10, one day before the Quad hearing.
We look forward to these back-to-back panel meetings beginning two weeks from today.
Gilead is off to a strong start in 2012 with solid first-quarter financial results and an exciting and robust pipeline of products.
Our 4,500 employees continue to drive unprecedented execution across our organization, committed to rapidly bringing better options to patients around the world.
The remainder of 2012 looks equally bright, and we look forward to sharing results with you as we continue to drive commercial performance, launch new products and advance our pipeline.
I have one corporate announcement to make prior to opening the call for Q&A.
After 23 years of exceptional service, Susan Hubbard has announced her intention to retire from Gilead.
Her presence at the company will surely be missed.
On behalf of all of Gilead's leadership team, I would like to thank Susan for her many contributions.
At this time, we will open the call to Q&A.
Stacy.
Operator
(Operator Instructions).
Geoff Meacham, JPMorgan.
Geoff Meacham - Analyst
Thanks for taking the question.
Congrats on your retirement, Susan.
I got a couple for you on hep C.
So the first one is there a new data set that you're waiting as kind of a gating factor to start an all-oral Phase III for genotype 1?
And then the second part of that is what would a Phase II look like when you combine, say, 7977 and 5885, would bias here be for a fast, simple study or more of a comprehensive study that looks at things like duration, different doses, population, things like that?
Norbert Bischofberger - EVP, R&D, Chief Scientific Officer
So I answer these two questions.
So what would a Phase -- what are we waiting for?
We are not necessarily waiting for any particular data set, but we will have discussions very soon with regulatory authorities to make proposals to them.
And at this point we really don't know what regulatory authorities think, we need their feedback and input.
But you know, they're two upcoming data sets that are both very interesting that will determine, or could determine, both the design and the duration of a Phase III study, is number one, the 24 week data in QUANTUM with GS-7977 and ribavirin.
And secondly the 12 week data from the Bristol-Myers study with 7977 and daclatasvir.
So both of those things really address, one, if you extend the duration of the 7977 ribavirin can you get higher response rate?
Or secondly, if you shorten the Bristol-Myers daclatasvir 7977 can you maintain the high response rate?
Those are the two questions that are being answered.
Then regarding Phase II, we are really thinking about something short, because we feel there are no concerns -- we don't have any outstanding concerns about safety of any of our products, 5885 or 7977, so we feel comfortable moving into a large Phase III study.
And with regards to efficacy, all those questions really have been for the most part answered, with the exception of the two that I mentioned before.
And let me just say one last thing, because it may come up.
We also feel very comfortable extrapolating from daclatasvir to 5885, because these two compounds by all criteria are very similar, at least in genotype 1.
Geoff Meacham - Analyst
Just as a quick follow-up, Norbert, would you be in a position to start several or multiple different strategies for Phase III for an all-oral or do you want to have a single strategy?
Norbert Bischofberger - EVP, R&D, Chief Scientific Officer
Well, it would be -- absolutely we would favor multiple, because as you know, there is the issue of treatment duration, there is the issue of complexity.
For instance, ATOMIC design, that is still on the table.
That is actually a huge step forward from -- if you think about where we are today in terms of standard of care to be able to shorten that to something 12 weeks.
Null response guided therapy with a well-tolerated 7977 added to ribavirin, that is certainly an option as well.
Geoff Meacham - Analyst
Thank you.
Operator
Mark Schoenebaum, ISI Group.
Mark Schoenebaum - Analyst
Susan, can I just confirm you're not going to Bristol.
(laughter).
Congratulations, in all seriousness.
I was just wondering, I have a question on the genotype 2, 3 Phase III study versus standard of care.
Is that a noninferiority trial or a superiority trial?
And if it is noninferiority -- and sorry, and if possible could you give us the criteria for noninferiority or superiority?
And the second question is today Bristol-Myers expressed on their earnings call a desire to partner with Gilead.
I was wondering if you could walk us through your updated thoughts on partnering with Bristol?
Thank you.
Norbert Bischofberger - EVP, R&D, Chief Scientific Officer
The first question is very simple.
It is designed as a noninferiority study with a Delta of 15%.
But I would like to tell you that FDA has communicated to Pharmasset previously -- so none of us were at those meetings -- that even if they miss noninferiority it would still be approvable, because it is a huge advantage and a huge step forward to treat somebody for three months with two oral drugs rather than six months with peginterferon.
But the answer is it is noninferiority with a delta of 15%.
John Milligan - President, COO
It is John Milligan.
I am going to take the second part of that question.
As Norbert mentioned, there are data sets that we are waiting for, and that there is lots of options for us to move forward in multiple directions.
But with regard to how or where or when we might work with Bristol-Myers, we're just not going to be able to comment on that strategy.
Because I think it is very -- as we have learned in the past, it is very difficult to negotiate these things in public.
And so I basically am going to be held to no comment for today on this subject.
Mark Schoenebaum - Analyst
And where can I send my resume for Susan's job?
(laughter).
John Milligan - President, COO
At Robin.Washington@Gilead.com.
Mark Schoenebaum - Analyst
Okay, thanks, and great job, Robin, on the call.
Thanks everybody.
Operator
Rachel McMinn, Bank of America - Merrill Lynch.
Rachel McMinn - Analyst
I hate following Mark, but I will.
I have a question on the HCV program, surprise, surprise.
I guess my big question for you is why are you expanding ELECTRON specifically in null responders?
You have got a 90% relapse rate with the two drugs.
Now you are looking at these two different triple options with 5885 or 9669.
Didn't we learn from EASL that the null population is particularly difficult and really setting a totally different bar relative to naive?
Why not go in and just do the naive 12 week data and then even throw in 9669 on top of 5885 to get the triple more potent regimen instead of keeping riba in there?
Thanks.
Norbert Bischofberger - EVP, R&D, Chief Scientific Officer
So you have a very good point, and the answer to that is very simple, we are doing both.
We actually have a drug interaction study that is about to complete with 9669 and 7977.
Once we get the data from that study we will initiate a Phase II study in treatment naive patients genotype 1 to test that hypothesis.
But, Rachel -- so the second point I would like to make, this is a small pilot experiment with 10 patients.
So it is really not a big study, but it is an experiment.
The third comment is we debated this internally.
If you look at 7977 ribavirin in genotype 1 null responders gives you high relapse rates.
But we felt we wanted to change only one variable and not two.
If you do a two variable experiment both extent of treatment duration and add another drug then in the end you don't know.
So we made the decision to add one more drug and see whether the results would be different.
And, lastly, let me also tell you from the large amount of data that we are getting, I think it is clear now, at least with 7977, which has a very high barrier to resistance, you can have a longer treatment duration and good responses, or a shorter treatment duration, but then you have to add other drugs.
So we think 12 weeks of 7977 with NS5A -- with the 5885 and ribavirin, I'm convinced will give you good treatment responses, but again we will find out once we get the data.
Rachel McMinn - Analyst
But just to clarify, it looks like you're not actually doing that in naive.
You're not going to replicate the daclatasvir study.
You're going to let Bristol's 12 week data in the fourth quarter provide the proof of principle in naive, and you're going to explore the rest of this in null, do I have that right?
Norbert Bischofberger - EVP, R&D, Chief Scientific Officer
That is right.
We, as I said, we feel very comfortable scientifically to extrapolating from daclatasvir to 5885, at least in genotype 1 patients, not in 2 and 3, but in 1s.
And we think there is no reason to believe that we wouldn't get the same results with 5885 as Bristol-Myers has achieved with daclatasvir.
Rachel McMinn - Analyst
Okay, thanks very much.
Operator
Matt Roden, UBS.
Matt Roden - Analyst
Thanks very much for taking the questions.
It is a little bit of a broader question on hepatitis C.
I understand that you can't talk about the specific path for its advancement until you speak with the FDA.
But can you talk a little bit about as many options as you can that could potentially take it forward, and what the rationale would be for taking 7977, 5885 combo directly into Phase III without a Phase II?
And you have an indication for whether or not the FDA has a position on that at this point?
Thanks a lot.
Norbert Bischofberger - EVP, R&D, Chief Scientific Officer
No, so, I do not -- we don't have any indication what the FDA is thinking about that.
So you know -- I am, of course, speculating now, but if we did this it wouldn't be jumping with both feet into a large Phase III study, but rather something like you enroll a cohort, you do a certain interim analysis after a certain time point -- and we still have to figure out how that -- what that time point is -- convince yourself that the data looks good, and then you enroll the rest of the cohort.
So it would be like a Phase II/III approach, and that is something which we would have to think through carefully and propose to the FDA.
Matt Roden - Analyst
Thanks very much.
Operator
Yaron Werber, Citi.
Yaron Werber - Analyst
Thanks for taking my question.
And the first question is, is it true that Susan is retiring to start a hepatitis C company?
(laughter).
Susan Hubbard - VP, IR
No comment.
Yaron Werber - Analyst
(multiple speakers).
Alright, I have two questions.
The first one, just maybe for Norbert, just a little bit, do you have any sense what happened at QUANTUM, why is the data so bizarre and different than ELECTRON?
And then, secondly, with respect to -- you know, when we spoke at EASL it sounds like one of the things you're thinking about in Phase III is potentially doing a doublet, a 7977/5885 arm for 24 weeks.
So my question is do you need to do some kind of a small Phase II where you actually test them together for 24 weeks or is the FDA going to be comfortable extrapolating the data separately -- from each drug separately?
Norbert Bischofberger - EVP, R&D, Chief Scientific Officer
So the answer to the second question, I said before we really have to have a debate with the FDA, and we haven't done that yet.
I do not think -- I do not know what they think about it.
And as I said, we wouldn't -- certainly the proposal would not be jump into a 500 patient Phase III study with both feet, but rather do something like a cohort first, and then you do an interim analysis, and then you enroll the rest of the patients.
So it would be something like more a Phase II/III study.
And regarding your second question, the difference between QUANTUM and Electron, the short answer is I don't know, but the two comments I would like to make -- there was a difference in baseline CC genotype between the two studies.
As you may have seen in ELECTRON, there 44% of the patients were CCs.
And then QUANTUM, if I remember correctly, 16%.
So QUANTUM kind of underrepresented statistically what you would expect in a general population and ELECTRON overrepresented.
That may be one reason why the ELECTRON patient population responded better.
The other thing is keep in mind these are still small numbers.
It was 17 in QUANTUM and 25 in ELECTRON -- or the other way, yes.
And the other thing, please -- the CC genotype I think it was clear at the EASL, there were two presentations, one by BI and one by BMS where it was clear that CC IL28 genotype does matter, even with all-oral antiviral.
So it is entirely possible that that explains the discrepancy between these two ELECTRON and PROTON results.
Yaron Werber - Analyst
But you would think that the CC wouldn't matter depending on the potency, right?
With 7977 we have seen with daclatasvir it doesn't really matter.
So when you get to pretty high potency at that point it doesn't matter.
Norbert Bischofberger - EVP, R&D, Chief Scientific Officer
That is true.
But then I could argue if you have a higher enough potent regimen you don't -- the influence of IL28 baseline genotype disappears.
And, again, we will find that out along the way if we add either 5885 or 9669 to 7977, then if that influence of IL28 disappears then you are right.
Yaron Werber - Analyst
Okay, great, thank you.
Operator
Sapna Srivastava, Goldman Sachs.
Sapna Srivastava - Analyst
Thanks for taking my question.
I have two quick questions.
One is just how do you get the comfort with your NS5A on the efficacy side?
I understand your rationale on the safety side with just a 800 patient (inaudible), but please help us understand on the efficacy side?
And, second, just a quick clarification on the potential ADAP inventory levels.
How should we be thinking how much of the strength this quarter could potentially be knocked off, as you said, in 2Q, just for forward thinking for 2Q estimates?
Norbert Bischofberger - EVP, R&D, Chief Scientific Officer
I will take the first question.
So the efficacy side on the NS5A we look at both modeling, so we look at in-vitro antiviral potency against genotypes, and within genotype at polymorphous, and our compound is very, very similar to daclatasvir in Genotype 1.
Then you get do the (inaudible) dose, you know, the 60 milligram daclatasvir versus the 90 milligram of 5885.
You do the protein-adjusted IC50, or the IQ.
And those IQs are very similar.
And lastly you look at the existing data that we have from 5885, both on monotherapy, and when you add it to peginterferon ribavirin you look at the steepness of the viral load decline, and it is again very similar.
So we feel very comfortable that 5885 from an efficacy point of view will mirror daclatasvir.
It will be a good compound.
Kevin Young - EVP, Commercial Operations
I have something.
This is Kevin.
Thank you, I was feeling a little bit lonely here, so it is lovely to get a question.
Just let me quickly talk about ADAP funding.
So it was a big quarter for the end of the 2011 financial year for ADAPs.
That was particularly Florida and Illinois, less so places like Texas and Puerto Rico.
The main products that they have purchased in are Atripla and Truvada, because, of course, they are the workhorses of their budgets.
Difficult to estimate what that will do to quarter two.
We are very pleased that the 2012 budgets have gone out already.
You can find those on the HRSA websites.
So basically everything, bar the $35 million that was announced by President Obama on World AIDS Day, have gone out.
So that is a great reassurance.
Remember, last year they didn't know their actual numbers until September, so that did lead to the big fourth quarter and quarter one of this year.
So I think that provides a lot of stability.
Clearly, Complera is starting to pick up, which is great for us.
And I think the experience has been very good in the field with Complera.
So it was one of the biggest that we have seen in absolute terms, not in percentage terms, but in absolute terms.
And I think we will just have to see how that plays out for Q2/Q3.
Sapna Srivastava - Analyst
Thank you.
Operator
Robyn Karnauskas, Deutsche Bank.
Robyn Karnauskas - Analyst
Hi guys.
Thanks for taking my question.
May I just ask an HIV question, if I don't bore anyone?
But your European market looked a little bit weaker, a little flat quarter-over-quarter as far as patient adds.
I was wondering if you could give some color on the trends you're seeing in Europe and whether or not you think that you could see growth reinvigorate in the latter half of the year?
Thanks.
Kevin Young - EVP, Commercial Operations
It is Kevin.
Thanks for the question.
Yes, I think I would agree with you.
For the past quarter it has been flat, but I actually took that in a very positive sense.
Europe is not easy, particularly Southern Europe, and I think we continue to do very well.
And if you look quarter-on-quarter, there was about a 2% growth in demand.
We got a positive 1% in FX and about a minus 1% in price.
So it wasn't a bad quarter.
We are starting to roll out Eviplera now.
Two of the big markets, the UK and Germany, have got the product, and the initial response I think has been pretty positive.
So I think on the back of Eviplera we hope that we are going to have another burst and another push around single-tablet regimens.
I should also add that guidelines continue to start to highlight single-tablet regimens and fixed-dose combinations.
In our slide on guidelines that is in the earnings deck, you may have noticed the new draft BEVA guidelines.
I will point out two things on those guidelines.
Number one, the preferred regimens are all Truvada, so the alternative regimen is now abacavir, so it has been downgraded.
There is a call out there highlighting the preference for fixed-dose combinations avoiding selectivity of the individual agents.
So, again, the preference and the benefit of single tablets is coming through more and more.
So I think you can call it a solid quarter in Europe.
And we are certainly looking forward to Eviplera being a driver of growth in the second half of the year.
Robyn Karnauskas - Analyst
But if patient numbers are increasing and marketshare has gone down, I know it is a lag, why is that?
Do you have a sense of why that is?
Kevin Young - EVP, Commercial Operations
Well, again, I would look too much into 1% here, 1% there.
I am literally looking at my marketshare slide for the big five markets, and it hasn't gone down, but it is basically flat when you look at total Truvada split out by Atripla and Truvada itself.
So, again, extrapolating from some of the numbers is quite hard sometimes.
Please bear in mind that the European databases are just not quite as good as the US.
Robyn Karnauskas - Analyst
Okay, great, thank you.
Operator
Thomas Wei, Jefferies.
Thomas Wei - Analyst
I had a hep C question.
I didn't get a chance to talk to you all after the poster on 5885 and the resistance profile was presented over the weekend.
How should we interpret the data in genotype 1b where it looked like there was about 1,000-fold shift with 5885 with the Y93H mutation, but only a 24-fold shift with the Bristol drug?
You comment on the ability to extrapolate the Bristol combination data to 5885 suggests that you don't think that that is actually that big of a deal, and would love to understand what other factors we should keep in mind in interpreting that resistance data?
Thanks.
Norbert Bischofberger - EVP, R&D, Chief Scientific Officer
That was the one polymorph that showed actually the biggest difference.
And all I can say, that polymorph is extremely rare and has not been described in the literature as really occurring.
It is one that we generated ourselves in the lab to just see how far can we push the system.
So whether that polymorph in any way exists or is relevant clinically is an open question.
The other thing you also should keep in mind that even with that shift at the 90 milligram dose, we are still way above a multiple of the IQ.
So if you at least believe what we learned from HIV, this would add -- even against that polymorph would be a very inhibitory compound at the 90 milligram dose.
Operator
Michael Yee, RBC Capital Markets.
Michael Yee - Analyst
Just one clarification on this Phase IIb combination study that you're going to run as an extension arm of ELECTRON.
Can you again clarify why you're running it in nonresponders?
Isn't that risky?
Can you just enroll multiple arms?
And then as a follow-up, can you coformulate 7977 and 5885, know anything of about that?
I assume that is [an E hurdle], but just asking.
Norbert Bischofberger - EVP, R&D, Chief Scientific Officer
The answer to the second question, that is an effort that is ongoing and we have prototype pills internally.
Of course, they have to go through the usual stability and analytical method, and then PK evaluation at least in humans.
But that seems to be fairly straightforward.
These compounds from a physical/chemical point of view are both well-behaved.
So the reason why we are doing the null responders is simply -- so it is not that we are only doing the null responders, we are thinking about treatment-naive patients more in a Phase II/III sense.
We are more certain that the combination there works because of the experience with the Bristol-Myers data.
And what we don't know, and what we really would like to find out in the genotype -- in the null responders -- remember, in the 12 week studies, 7977 with ribavirin nonresponders we had 9 out of 10 rebounders, but there were no breakthroughs, so biologically this is a very, very potent regimen.
But maybe we just didn't have enough pressure on the system to cure a significant number of patients in 12 weeks.
And that is why we decided to add another drug -- repeat the same experiment that we have done before, just adding another drug so it is a one variable experiment that will give us some information at the end.
That was the decision.
Operator
Ravi Mehrotra, Credit Suisse.
Lee Kalowski - Analyst
This is Lee Kalowski filling in for Ravi.
One question I have is do you have a breakout for Complera in terms of naive versus switching?
And then in terms of Quad, how important are those switching studies maybe in terms of the uptake?
And until that data is ready, I guess, where would you expect the initial uptake to go?
Kevin Young - EVP, Commercial Operations
Hi, Lee, it is Kevin here.
Yes.
So in terms of the breakout, yes, I have got the data for you.
So 35% of the Complera patients are coming from naive, so basically new patients.
And by the way, that is our label today in the US that we stay on with our field force.
40% are switches from products other than Atripla.
And that is largely the protease inhibitor combinations.
And 25% are switches from Atripla itself.
Now just to paint a little bit of color for you in terms of patients, the vast majority of patients, more than 90% of the patients that are going on Complera are those patients below 100,000 copies, again as per our label.
And there is actually quite a large percentage as we expected.
But our female patients -- approximately 30% of the starts on Complera are female.
That compares with only 13% as a comparative for Atripla.
So a high proportion relative to Atripla for the female patient because of the better pregnancy category.
In terms of Quad, just like Complera, we will have and we expect to have a naive label, there won't be switching there.
So the studies that were highlighted today are very important to us.
We would like to get that data into the label.
Switching patients is still an important bucket, as you can see from Complera.
So, yes, we would want that data, but we will only initially be able to go out seeking the naive patient.
But I do want to emphasize that the nice thing about Quad -- and it will be our first detail with our expanded field force -- is that we have got that larger slice of the naive pie because we have got the data 102 versus Atripla and 103 versus the boosted proteases.
So as I have said the past, we have the opportunity to address the 9 out of 10 patients that are beginning in the naive setting.
So it gives a much, much broader expanded horizon than we have got today with Complera.
Lee Kalowski - Analyst
Okay, thanks for that.
And hopefully DDMAC was listening to your answer, Kevin.
Operator
Tony Butler, Barclays.
Christine Cho - Analyst
Hi, this is Christine Cho in for Tony.
Thank you for taking the questions.
The first is your QUANTUM study still has 24 week treatment arm stuff to read out.
And let's suppose that 7977 and ribavirin for 24 weeks do lead to a competitive FDR, do you think this combo is still relevant, given what took place at EASL?
And would you really still develop this 24 week combo for GT1s?
And then, second, we are beginning to see the growth momentum for Incivek slowing down, and what do you think this says about the ACV market?
Thank you for the time.
Norbert Bischofberger - EVP, R&D, Chief Scientific Officer
So regarding 7977 ribavirin for 24 weeks, yes, I do believe that is a valid regimen, because it is one drug in cheap generic ribavirin that many physicians tell me they are comfortable with, and not unhappy with.
And then you -- of course, you have to balance is that a better regimen than something more drugs, more complicated, maybe more expensive for 12 weeks?
And, obviously, we are going to do both and see where the clinical data lead us.
And what was the second question?
John Milligan - President, COO
I will take the second one, Norbert.
So the question was about Incivek sales slowing down, what does that say about the market?
I think it says more about the profile of the protease inhibitor-containing regimens of PEG/RIBA, where it is very clear that while the overall response rate has gone up, the overall complexity of the regimen and the side effect profile is much more severe, especially in severely ill patients than people had previously thought.
And there was numerous data sets at EASL that outlined the cost and complexity of keeping people on these protease inhibitor-containing regimens -- the need for transfusions and the very poor side effect profile in certain patients.
And so what it suggests to us is that now that doctors and patients know that easier regimens are on the horizon they are going to continue to warehouse those patients until those first regimens are on the market.
And they also know they are coming very soon, so that is exciting for them as well.
Operator
Brian Skorney, Brean Murray.
Brian Skorney - Analyst
Thanks for taking the question.
And, Susan, I am very, very sad to see you go.
You have really been one of the best IR people on the Street that I have ever experienced.
I just wanted -- maybe I can get some topline kind of commentary on the hep C landscape from you guys and where you might see yourself in the competitive space?
I mean, obviously, I think we can all agree it is going to be a very, very meaningful driver to be kind of the first mover, to have an all-oral.
I am just wondering what you think of if a competitor were able to navigagte a pan-genotypic oral regimen to market between the approval of genotype-specific regimens anchored by 7977, but before you can get your own Gilead-owned pan-genotypic regimen?
What sort of impact do you think this could have commercially?
Do you think this is a big deal to be the first mover here, or do you think this is less of a competitive advantage?
Kevin Young - EVP, Commercial Operations
It is Kevin.
I will kick off.
I think it is a very big deal to be a first mover, particularly with 7977.
I think the results that we saw in Barcelona -- and everybody around this table were there in Barcelona -- says that we have a very, very potent agent.
So a good drug, being first is to me a double whammy.
And so we look forward to hopefully that opportunity.
We have a lot of expertise and extremely good relationships in this setting.
We have field forces here in the US and in Europe who visit the liver disease specialists.
We will have to expand those activities and we will have to balance our HPV responsibilities versus HCV.
But we really do have very, very good relationships.
And that overlap is even bigger in Europe.
So we are already starting to do the work on field force sizing.
I can certainly reassure you that we will have an incredibly committed presence in hepatitis C.
And, of course, the other dimension for Gilead is, are there additional opportunities with the infectious disease doctor?
So we are planning to be really along Norbert's timelines for the genotype 2 and 3, and then hopefully not too further down the road we can get the genotype 1.
So, yes, first mover advantage is important, and we look forward to the opportunity.
Brian Skorney - Analyst
I guess, I will maybe be a little more specific.
I am talking what you would think about the impact of being first mover with a pan-genotypic regimen.
I guess, I am looking at Bristol and saying if you are extrapolating the daclatasvir data, the 5885, maybe it is also reasonable to extrapolate some of the 7977 data to at least the 200 meg dose of INX-189.
It would seem that Bristol has a viable pan-genotypic combo, at least moving into clinical development very soon.
I am just wondering if they would take the lead in a pan-genotypic, do you see that as a major competitive risk?
Kevin Young - EVP, Commercial Operations
Well, I think that 2 and 3 will give us a very, very nice entry.
And I am hoping that Norbert and the team here will hopefully get us into 1 very, very quickly, and ultimately with our own pan-genotypic regimen.
So time will tell.
I think it is very difficult to make predictions on that race, if you like, between Bristol Myers and Gilead.
We think we have got the best backbone here, and we think we have got alternative approaches, as you have heard from Norbert.
So I think we are going to be highly competitive in that race to pan-genotypic.
Operator
Phil Nadeau, Cowen and Company.
Phil Nadeau - Analyst
Thanks for taking my question.
And, Susan, let me add my congratulations on your retirement.
Thanks for all the help over the years.
A question on the upcoming Quad panel.
In the past you have suggested that the reason why the FDA probably wanted to review the Quad was because of the cobicistat component.
Now that we are just a couple weeks away from the panel, I am guessing Gilead has reviewed the briefing documents that the FDA has prepared.
Could you give us some more information on what issues, if any, the FDA has with the Quad, and whether we should expect any surprises when we see those briefing documents in a couple of weeks?
John Milligan - President, COO
Well, obviously, those documents are not public and won't be released to the public until a couple of days ahead of time, so we just can't comment on those.
Norbert Bischofberger - EVP, R&D, Chief Scientific Officer
I think I said last time that the one issue that we always felt was something that warrants discussion has to do with the cobicistat increases creatinines.
And that it generates some question to the practicing physician, when is the creatinine elevation just simply a laboratory thing that is caused by cobicistat, and when is it something that you have to take serious as an issue of nephrotoxicity?
Phil Nadeau - Analyst
So what could come out of the panel on that topic?
Would it be a discussion of labeling, or I guess what kind of conclusion could the panel draw?
Norbert Bischofberger - EVP, R&D, Chief Scientific Officer
That is what I think the discussion will be about, what would -- should the physician do in terms of -- you know, normally you use serum creatinine for measure of kidney function.
Now that we have cobicistat that increases creatinine how do you interpret serum creatinine levels?
That is what -- I think -- well, I don't know what it is going to be, but that is what I guess is going to be the nature of the discussion.
And the potential outcome could be a labeling or monitoring recommendations or something like that.
Phil Nadeau - Analyst
Okay, that is very helpful.
Thank you.
Operator
At this point, Ms.
Hubbard, we have run out of time for additional questions.
Susan Hubbard - VP, IR
Okay, thank you, Stacy.
And thank everybody very much for joining us today.
We appreciate your interest in Gilead, as always.
And we will be here and ready to take your calls after we conclude.
Thanks everybody.
Bye-bye.
Operator
We thank you for your participation in today's conference.
This does conclude your presentation.
You may now disconnect, and have a great day.