Good day, ladies and gentlemen and welcome to Nektar Therapeutics Fourth Quarter 2011 and Year-End Financial Results Conference Call. My name is Stacy and I'll be your conference moderator for today. [Operator instructions] As a reminder, this conference call is being recorded for replay purposes. I would now like to turn the presentation over to your host for today, Ms. Jennifer Ruddock, Vice President of Investor Relations. Please proceed.

Thanks, Stacy. Good afternoon and thank you for joining us today. With us are Howard Robin, our President and CEO; John Nicholson, our Chief Financial Officer; Dr. Robert Medve, our Chief Medical Officer; and Dr. Steve Doberstein, our Chief Scientific Officer. On this call, we expect to make forward-looking statements regarding our business, including but not limited to clinical development plans, the timing of future clinical results and regulatory filings, the economic potential of our collaboration partnerships including potential milestone payments, the therapeutic and market potential of our drug candidates and those of our partners, our financial guidance for 2012, and certain other statements regarding the future of our business. Because forward-looking statements relate to the future, they are subject to inherent uncertainties, risks, and changes that are difficult to predict and many of which are outside of our control. Important risks and uncertainties are set forth in our Annual Report on Form 10-K filed with the SEC today. We undertake no obligation to update any forward-looking statement, whether as a result of new information, future developments or otherwise. A webcast of this call will be available for replay on the Investor Relations page of Nektar's website. With that, I would now like to hand the call over to Howard Robin. Howard?

Thank you, Jennifer and thanks to everyone for joining us this afternoon. Today, I will spend the first part of the call discussing the royalty transaction that we announced today and our convertible debt. Then I will update you on the significant progress we've made with both our partnered programs and our proprietary pipeline. Following that, John will provide 2012 financial guidance. This morning we announced the sale of Nektar's royalties on CIMZIA and MIRCERA for $124 million. The proceeds from this transaction will go towards the repayment of more than half of our $215 million in convertible debt. For your reference, in 2011 we recognized $8.3 million of royalties from CIMZIA and MIRCERA. I strongly believe that these royalty streams were not adequately reflected in our valuation and their monetization represented a very attractive non-dilutive financing. We have a number of options to deal with the remaining $91 million in convertible debt. Of course, I prefer non-dilutive options if the terms are right. As I've said before, we will continue to pursue options that are in the best interest of our shareholders. Now, before I go into discussing our pipeline programs, I'd like to give you an update on the timing of cash milestones for our most important and advanced program, NKTR-118, which recently received its INN name naloxegol. Naloxegol is advancing through Phase III development and AstraZeneca plans to file in both the U.S. and the EU in the middle of 2013. Now, let me tell you what that means for Nektar. Upon acceptance of these filings in 2013, Nektar is entitled to $95 million of our $235 million in filing and launch milestones. The remaining $140 million is due when naloxegol is approved and launched in the U.S. and EU. We are excited about the scope of…

Thank you, Howard and good afternoon, everyone. I will start with a quick review of Nektar's financials for 2011. Our cash at the end of 2011 was $414.9 million. Of course, this amount does not include the $124 million in connection with the royalty transaction announced earlier today. Total revenue in 2011 was $71.5 million versus $159 million in 2010. The decrease in revenue year-over-year is attributable to completing the amortization of the $125 million upfront payment from AstraZeneca for NKTR-118, of which approximately $100 million was recognized in 2010. Total operating costs and expenses in the fourth quarter 2011 were $50.3 million versus $65.9 million in the same quarter a year ago. The decrease was primarily attributable to the Q4 2010 non-cash impairment charge of $12.6 million relating to the exiting our San Carlos facility. Total operating expenses for 2011 were $195.4 million as compared to $187.3 million in 2010. This increase in total OpEx was driven by an $18.7 million increase in R&D. Due to the investment in multiple clinical development programs, including the initiation of our Phase III BEACON study for metastatic breast cancer. For the full year 2011, our research and development expenses were $126.8 million as compared to $108.1 million in 2010. 2011 R&D expenses included approximately $19 million in non-cash expenses, including depreciation and stock-based compensation expense. G&A expenses were $46.8 million compared to $41 million in 2010. 2011 G&A expense included $12.3 million of non-cash expenses, such as amortized free rent on our San Francisco facility, stock-based compensation expense, and depreciation. Now, on to our 2012 financial guidance. Revenue for 2012 is expected to be between $75 million and $85 million. We are looking forward to the potential approvals at the end of March for Peginesatide with Affymax and LEVADEX with MAP. However, our revenue guidance at this time does not include any projected royalty income from the potential sales of these 2 drugs. R&D expense for 2012 is anticipated to between $152 million and $157 million. Of this, approximately $19 million will be non-cash expenses such as stock-based compensation and depreciation. 2012 R&D expense includes a number of important development activities, including our NKTR-102 BEACON Phase III trial, the final production of Phase III devices and commercial scale for Amikacin Inhale, the initiation of our Phase II trial for NKTR-181, the initiation of our Phase I clinical trial for NKTR-192, and the preparation of our next IND candidate which we plan to announce by the end of 2012. 2012 G&A expense is anticipated to be between $44 million and $46 million. Included in our 2012 G&A expense is $13 million of non-cash items. Capital expenditures are expected to be between $8 million and $10 million for 2012. Finally, for 2012, we expect our cash use in operation including CapEx to be between $130 million and $140 million. With that, I will now open the call to questions. Operator?

[Operator instructions] Your first question comes from the line of Jonathan Aschoff with Brean Murray.

I was wondering, guys, how exactly will you evaluate abuse liability in Phase II for 181.

I'll let Rob answer that question. Go ahead, Rob.

There is -- thank you, Howard and thank you, Jonathan for the question. Abuse liability methodology, there's lots of publications around this and recommendations and guidance documents from the FDA. So the methodology is to compare doses of 181 in this case with a comparator opioid. Most likely, oxycodone as the standard, looking at intact and manipulated or crushed dosage forms. And then you use -- you do those studies in a crossover manner in recreational drug users who then provide a subjective assessment of liking. So the methodology is fairly well defined at this point. That's what we'll be pursuing.

Your next question comes from the line of Cory Kasimov with JPMorgan.

I have 2 of them for you. First, on NKTR-118 or naloxegol, I know you discussed the anticipated timing of the filing in mid-2013. But what had AstraZeneca told you about the timing of a potential data release for that asset?

Well, Cory, they haven't said when they will release data. What they've said -- if you look at clinicaltrials.gov, it says that the studies will be over at the end of this year. They haven't said when they will release data. We do -- they have said that they plan to make a filing in the middle of next year and we've said today that -- for the first time that when that filing is accepted we get $95 million. So I would hope that that comes in the middle of next year. And -- but they haven't said specifically when they plan to release data. So I can't answer that question.

Okay. And then on the debt and just your balance sheet in general, if we were to assume that you use cash to pay down the remaining portion of the debt, how long of a runway do you estimate that you have right now to support operations?

Well, look, it's difficult to give that answer without giving 2013 and 2014 guidance. So I really can't do that. But I think if you look at the remaining $91 million in debt and you look at our burn rate of this year between $130 million and $140 million and then of course, you examine the likelihood of receiving $95 million from AstraZeneca next year, I think we are generally in pretty good financial shape. I can't give you specific guidance on how we plan to deal with the debt. I will tell you that we have a number of options and that we'll continue to pursue those options that are in the best interest of our shareholders.

Your next question comes from the line of Steve Byrne with Bank of America.

Hi. I wanted to ask a couple of questions about 181. In the -- in your posters you presented last weekend at the Pain Conference, you illustrate the couple-hour delay between the peak serum levels and central nervous system levels. Is there analgesic effects during those first few hours?

Go ahead, Rob.

Yes. There is the -- we do see analgesic effect onset. The delay is between the peak of the Tmax and the peak of the effect. So we do see analgesic effects. Again, this medication is targeting chronic pain. So whether those effects occur at 30 minutes or 1 hour or beyond that is not as relevant for our chronic pain product as you can see in multi-billion dollar products like, say, Duragesic, which is not hallmarked by rapid onset. So 181 was designed to do exactly what we are seeing it do in these clinical trials. So the analgesic effect does have onset before the peak, obviously.

And when you -- your comment about it having -- being peripherally acting, is there a mechanism that's also peripherally acting or is it just that the source of pain is peripherally?

Well, we know -- it's a very good question. We know that opioids have both central and peripheral actions and we know that mu-opioid receptors are actually up-regulated in the periphery, particularly in the setting of inflammatory pain. And that's why we included one of these experimental models; was to look to see if we could pick up a sense of that. And we were able to see that reflected what we call anti-hyperalgesia or reducing the sensitivity of an already sensitized spot, and we are able to pick up what correlates to a peripheral opioid analgesic effect. So we are very excited to be able to see that and we'll obviously be seeking to capitalize on that as we move into our Phase II program.

And can you comment on the Phase II design, why it would be a placebo-controlled study and not an active comparator?

Well, comparing 2 actives in most models with the exception of oncology is not the norm. It is -- always early in development we look at placebo comparators and these are again subjective responses as opposed to, say, the objective responses you see in oncology trials. So it's the standard of development to look at placebo-controlled trials.

And then just one last one. Are there COGS associated with the future CIMZIA sales?

Yes. We will continue to make the PEG reagent for CIMZIA and we will be paid for them at a specified cost.

Your next question comes from the line of Stan Mann [ph].

Good job on some monetization, Howard. My question is, you've done a monetization or cashing in on CIMZIA and MIRCERA -- and I guess my question is that you have a fantastically powerful pipeline; can you give us any color at all on your thoughts on monetizing other items in the pipeline or selling Asian or European rights and anything on timing, anything that would help?

Well, look, Stan, as I said earlier, we do have a lot of things in our pipeline, both proprietary programs, as well as some other legacy programs that are scheduled to have PDUFA dates in the near term. I specifically -- again, I can't give any guidance on what we plan to do with the remaining $91 million in debt other than to say we do have a number of options there and I prefer to -- I'd certainly prefer options that are the least dilutive and that's what we are targeting and I said that some time ago when we were thinking about how to best solve the debt problem and we followed up with this $124 million on CIMZIA and MIRCERA, which was, of course, not dilutive and not strategic -- programs that were not strategic for Nektar. And I think we have a number of options and we'll pursue them in a way of causing the least amount of dilution, and that's -- we are all aligned on that. But I can't give you specifics on what we might do at this point.

Can you say anything about timing? You have a September deadline on the converts. And further on the converts, is there a discount since they are far out on conversion price, and is there any timing thoughts that you have?

Well, I mean, look, clearly, those -- that debt will be retired when it's due. We have every intention of doing that. So whatever we do in terms of options -- again, I can't give you specific timing. I can tell you that we have every intention of paying off the debt and in some fashion. So all I can say is stay tuned and I think we did a great job with that $124 million and I think we have some good options in front of us.

Okay. And just one other comment. Abbott just did a deal on a gout drug at record levels, one that was in Phase II, I believe. Are you seeing the opportunities or the market opening up for deals or relationships or whatever you want to call it, ventures?

Well, there's always opportunities for deals. The question is how much of it do you have to give away, at what stage. And if you look at programs like NKTR-181, which have the potential to be landscape changing in the pain field, I'm not inclined to be doing any deals with programs like that right now. And NKTR-181 is -- NKTR-118 is spoken for; Baxter 855 is spoken for, of course; 061 is spoken for. So quite frankly, I don't really see that we have -- we are looking for deals right now and there are no deal monies -- anticipated deal monies in any of the guidance John gave you. So we are planning to reach those targets and solve our debt issue without having to do anymore deals.

Your next question comes from the line of John Sonnier with William Blair.

John, are you on? We're going to re-prompt. Stacy, you can re-prompt.

[Operator instructions]

It looks like there are no more questions. So Howard, if you want to close?

Well, thank you for everyone for joining us on today's call. In just a few years, Nektar has generated a deep pipeline of programs that range from late-stage to early-stage in high-value therapeutic areas such as pain, oncology, and hemophilia. And a result -- as a result, I believe Nektar has one of the most promising and extensive pipelines for a company in our sector. We are highly focused on executing on our plans and advancing our programs, and I'm exceptionally proud of the hard work of our employees and their continued accomplishments. So we look forward to seeing you at our R&D Day in New York and we appreciate your support as shareholders. So thank you very much and stay tuned for more. Bye-bye.

We thank you for your participation in today's conference. This does conclude your presentation. You may now disconnect and have a great day.