U.S. FDA Approves Gilead’s Truvada®; GSK to acquire Human Genome Sciences Print E-mail
By Staff and Wire Reports   
Monday, 16 July 2012 18:34
Below is a look at some of the headlines for companies that made news in the healthcare sector on July 16, 2012.

Gilead Sciences, Inc. (NASDAQ:GILD) announced the U.S. Food and Drug Administration (FDA) has approved once-daily oral Truvada® (emtricitabine and tenofovir disoproxil fumarate), in combination with safer sex practices, to reduce the risk of sexually acquired HIV-1 infection in adults at high risk. Truvada is the first agent to be approved for HIV prevention in uninfected adults, a strategy called pre-exposure prophylaxis (PrEP). As part of the approval, Gilead worked with the FDA to develop a Risk Evaluation and Mitigation Strategy (REMS) to help ensure safe use of Truvada for PrEP as part of a comprehensive prevention strategy. Truvada was originally approved in 2004 in combination with other antiretroviral agents as a treatment of HIV-1 infection in adults and is currently the most-prescribed antiretroviral product in the United States.

The decision is the culmination of almost 20 years of research involving investigators, academic and medical institutions, funding agencies and nearly 20,000 trial participants around the world, and Gilead is proud to have been a partner in this effort, said Norbert Bischofberger, PhD, Executive Vice President, Research and Development and Chief Scientific Officer, Gilead Sciences. This advancement in the field of HIV prevention was made possible due to the leadership and commitment of the FDA and the Department of Health and Human Services to reduce the number of new HIV infections in the United States and worldwide.

It is estimated that 1.2 million Americans are currently living with HIV, and, despite the availability of existing prevention tools such as condoms, the incidence rate has remained steady over the past two decades with approximately 50,000 new infections occurring each year. Nearly one-quarter (23 percent) of new HIV cases occur among women, and more than half (61 percent) occur among men who have sex with men (MSM). In particular, young African American MSM bear a heavy burden of the epidemic, with new HIV cases among this group increasing by nearly 50 percent between 2006 and 2009.

Data supporting the approval of Truvada for PrEP came primarily from two large placebo-controlled trials known as the Pre-Exposure Prophylaxis Initiative (iPrEx), sponsored by the U.S. National Institutes of Health (NIH) and the Bill and Melinda Gates Foundation, and Partners PrEP, sponsored by the University of Washington and funded by the Bill and Melinda Gates Foundation. The iPrEx and Partners PrEP trials found that Truvada reduced the risk of acquiring HIV infection by 42 percent and 75 percent, respectively. Several other clinical studies also support the use of Truvada for HIV risk reduction.

This approval is a major milestone in our 30-year fight against AIDS, said Robert M. Grant, MD, MPH, Betty Jean and Hiro Ogawa Endowed Investigator, Gladstone Institute of Virology and Immunology, University of California, San Francisco and lead investigator of the iPrEx trial. The use of PrEP alongside routine HIV testing gives us a tremendous opportunity to reduce the rate of new HIV infections in this country and around the world.

Based on the iPrEx results, in January 2011 the Centers for Disease Control and Prevention (CDC) issued interim guidance on Truvada as PrEP among high-risk adult MSM. CDC is currently developing formal U.S. Public Health Service guidelines for the use of PrEP among both men and women, which will address procedures for HIV testing and health screening prior to PrEP initiation, as well as ongoing monitoring for cases of HIV infection that may occur despite PrEP use, possible drug resistance among those who become infected, side effects and clinical toxicities.

The data clearly demonstrate that Truvada as pre-exposure prophylaxis is effective at reducing the risk of HIV infection acquired through sexual exposure, said Connie Celum, MD, MPH, Professor of Global Health and Medicine at the University of Washington and lead investigator of the Partners PrEP trial. It is exciting to consider the potential impact of this new HIV prevention tool, which could contribute to significantly reducing new HIV infections as part of a combination HIV prevention strategy. Although the implementation of PrEP will bring challenges, they can be anticipated and systems developed to address these challenges. In particular, systems to provide comprehensive education and support to health care providers and people who use PrEP will be required to ensure appropriate and effective use of this potentially groundbreaking new HIV prevention intervention.

As part of the REMS developed by Gilead and FDA to ensure safe use of Truvada for PrEP, Gilead has developed FDA-approved materials to educate and inform healthcare providers and uninfected individuals about Truvada for PrEP. These materials highlight the importance of strict adherence to the dosing regimen, emphasize that Truvada must be considered as only one part of a comprehensive prevention strategy to reduce the risk of HIV-1 infection and convey that Truvada for PrEP should only be used in individuals who are confirmed HIV negative and HIV-1 screening should be repeated at least every three months while taking Truvada for PrEP. Truvada for PrEP should not be initiated when clinical signs or symptoms consistent with acute HIV-1 infection are present.

As a separate measure to support the safe use of Truvada for PrEP, Gilead also will provide vouchers for free HIV testing and condoms, an opt-in service for regular reminders about HIV testing and subsidized HIV resistance testing for any individual who becomes HIV-positive while taking Truvada for PrEP.

In all studies of Truvada for PrEP, the most commonly reported side effects included headache, stomach discomfort and weight loss. The incidence and types of side effects were consistent with Truvadas safety and tolerability profile when used as an HIV treatment, which is supported by more than four million years of patient use. Overall, there have been nearly nine million patient years of experience with tenofovir-containing regimens.


GlaxoSmithKline plc (NYSE:GSK) (LSE: GSK)
and Human Genome Sciences announced the companies have entered into a definitive agreement under which GSK will acquire HGS for US $14.25 per share in cash. The transaction values HGS at approximately US $3.6 billion on an equity basis, or approximately US $3 billion net of cash and debt, and represents a premium of 99% to the HGS closing price of US $7.17 per share on 18 April 2012, the last day of trading before HGS publicly disclosed GSKs initial private offer. The Boards of Directors of both companies have approved the transaction.

The transaction is well aligned with GSKs long-term strategy of delivering sustainable growth, simplifying GSKs business model, enhancing R&D returns and deploying capital with discipline. Through complete ownership of BENLYSTA, albiglutide and darapladib, GSK can simplify and optimize R&D, commercial and manufacturing operations to advance these products most effectively and efficiently while securing the full potential long-term value of the assets. GSK expects to achieve at least US $200 million in cost synergies to be fully realized by 2015, subject to appropriate consultation, and expects the transaction to be accretive to core earnings beginning in 2013. GSK also assessed the potential returns of this acquisition relative to its long-term share buyback program. As part of this ongoing program, GSK continues to expect to repurchase £2-2.5 billion in shares in 2012.

Sir Andrew Witty, Chief Executive Officer of GSK, said: We are pleased to have reached a mutually beneficial agreement with HGS on friendly terms and believe the combination of GSK and HGS represents clear financial and strategic logic for both companies and our respective shareholders. The transaction meets GSKs strict financial criteria for acquisitions, and we expect will deliver significant returns over the long-term. This is a natural next step in our nearly 20-year relationship with HGS, and we look forward to working with HGS to integrate our businesses and to realizing the full value of BENLYSTA, albiglutide, and darapladib for the benefit of patients and our shareholders.

H. Thomas Watkins, President and Chief Executive Officer, HGS, said: "After a thorough analysis of strategic alternatives, HGS has determined that a combination with GSK is the best course of action for our company and the best way to maximize value for our stockholders. HGS has had a long and productive working relationship with GSK, and together we will be uniquely positioned to achieve the full potential of BENLYSTA and other products in our pipeline for the benefit of those battling serious disease around the world. I would like to thank the dedicated employees of HGS, who have worked tirelessly to achieve breakthrough results and are the foundation of our success. We look forward to working with GSK to ensure a seamless transition for all of our stakeholders.

GSK has amended its pending tender offer to increase the price to US$14.25 per share and to extend the expiration of the offer to 12:00 midnight, New York City time, on 27 July 2012. As of the close of business on 13 July, approximately 427,042 shares had been tendered and not withdrawn, pursuant to the offer. The offer is subject to customary conditions as set forth in the Merger Agreement being filed today by the parties with the SEC.

Also Monday:

Anthera Pharmaceuticals, Inc. (Nasdaq: ANTH)
, a biopharmaceutical company developing drugs to treat serious diseases associated with inflammation and autoimmune disorders, today announced the final set of clinical data from the Phase 2b PEARL-SC study in patients with systemic lupus erythematosus.

Cellceutix Corporation (OTCBB: CTIX)
(the "Company"), a biopharmaceutical company focused on discovering small molecule drugs to treat unmet medical conditions, reports today that it has been conducting meetings with manufacturers to synthesize and formulate its lead psoriasis drug, Prurisol™, for a Phase 2/3 clinical trial.

Dyadic International, Inc. (OTC Pink: DYAI), a global biotechnology company focused on the discovery, development, manufacture and sale of enzymes and other proteins for the bioenergy, bio-based chemical, biopharmaceutical and industrial enzyme industries, today unveiled its latest biofuels enzyme advancement, AlternaFuel® CMAX3™.

VolitionRX Limited (VNRX.OB)
, a life sciences company focused on developing blood-based diagnostic tests, issues the following letter to shareholders from CEO Cameron Reynolds:  To our valued shareholders, It has been a very busy nine months since I last formally updated you.

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