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GlaxoSmithKline (GSK) (JOBS), Genmab A/S (GEN.CO) Drug Meets Goal In Arthritis Study


7/30/2009 7:29:34 AM

COPENHAGEN, Denmark, July 29, 2009 (GLOBE NEWSWIRE) -- Summary: GSK and Genmab announced preliminary top-line results from a Phase III study of ofatumumab in RA.

GlaxoSmithKline (NYSE:GSK - News) and Genmab A/S (Copenhagen:GEN - News) announced today preliminary top-line results from a Phase III study of ofatumumab administered intravenously for the treatment of rheumatoid arthritis (RA) in patients who had an inadequate response to methotrexate. The study met the primary endpoint, ACR20 at 24 weeks, which indicates a 20 percent or greater improvement in the number of swollen and tender joints, as well as improvements in other disease-activity measures.

In the study, 260 patients were treated and included in the analysis. At week 24, the ACR20 response rate was significantly greater for RA patients on ofatumumab (n=129) than on placebo (n=131) with a 50 percent response rate in the patients receiving ofatumumab, compared to 27 percent for patients on placebo (p-value less than 0.001). All key secondary endpoints were significant (p-value less than or equal to 0.001).

There were no unexpected safety findings. The most common adverse events in the ofatumumab treated patients (greater than 5 percent) were rash, urticaria, nasopharyngitis, pruritus, throat irritation and hypersensitivity. Other than nasopharyngitis, these events generally occurred within 24 hours of the first infusion. One death, judged by the investigator as unrelated to ofatumumab, was reported in the study during the 24-week study period.

"We have always believed in ofatumumab's potential to make a difference in patients' lives. We are pleased with the results of this study, supporting the further investigation of this antibody's promise in the treatment of RA," said Lisa N. Drakeman, Ph.D., Chief Executive Officer of Genmab.

"RA can be a highly debilitating disease. It is encouraging to see the reduction in disease symptoms achieved with intravenous ofatumumab, and we look forward to presenting the full study results," said Carlo Russo, M.D., Senior Vice President, Biopharm Development, GSK.

About the study

In this 24 week double-blind study, patients with active RA were randomized to receive two 700 mg doses of intravenous ofatumumab or placebo two weeks apart in addition to background methotrexate. Disease status was measured every 4 weeks. Patients for this non-IND study were recruited from Europe, South America and Australia.

The primary objective of the study was to determine the efficacy of intravenous ofatumumab in reducing the clinical signs and symptoms in RA patients after two 700 mg doses of ofatumumab compared to placebo. The primary endpoint of the study was ACR20 at 24 weeks. Other key secondary objectives included safety, patient reported outcomes, biomarkers and ACR 50 and ACR 70.

ACR Response

The ACR 20 response is defined as a 20 percent or greater improvement from baseline in tender and swollen joint counts, and 20 percent or greater improvement in 3 of the 5 following assessments: patient and physician global assessments, pain, disability, and an acute phase reactant (ESR or CRP).

About ofatumumab

Ofatumumab is a novel, investigational, fully human monoclonal antibody that targets a membrane-proximal (close to the cell surface) small loop epitope (a portion of a molecule to which an antibody binds) on the CD20 molecule of B-cells. This epitope is different from the binding sites targeted by other CD20 antibodies currently available.

Ofatumumab is being developed for other indications under a co-development and commercialization agreement between Genmab and GlaxoSmithKline. It is not yet approved in any country.

Conference Call

Genmab will hold a conference call to discuss the ofatumumab results Thursday, July 30, 2009, at

3:00 pm CEST

2:00 pm BST

9:00 am EDT

The conference call will be held in English.

The dial in numbers are as follows:

+1 877-941-1883 (in the US) and quote conference ID number 4129982

+1 480-629-9702 (outside the US) and quote conference ID number 4129982

To listen to a live webcast of the call please visit www.genmab.com.

About GlaxoSmithKline (GSK)

GlaxoSmithKline -- one of the world's leading research-based pharmaceutical and healthcare companies -- is committed to improving the quality of human life by enabling people to do more, feel better, and live longer. For company information, visit GlaxoSmithKline at www.gsk.com.

GSK's BioPharm R&D division has a rich early pipeline based on cutting-edge molecular biology and genetic technology and a mature late-stage portfolio that will provide important medicines to oncology.

About Genmab A/S

Genmab is a leading international biotechnology company focused on developing fully human antibody therapeutics for the potential treatment of cancer. Genmab's world class discovery, development and manufacturing teams are using cutting-edge technology to create and develop products to address unmet medical needs. Our primary goal is to improve the lives of patients who are in urgent need of new treatment options. For more information on Genmab's products and technology, visit www.genmab.com.

Cautionary statement regarding forward-looking statements for GSK:

Under the safe harbor provisions of the U.S. Private Securities Litigation Reform Act of 1995, GSK cautions investors that any forward-looking statements or projections made by GSK, including those made in this announcement, are subject to risks and uncertainties that may cause actual results to differ materially from those projected. Factors that may affect GSK' s operations are described under 'Risk Factors' in the 'Business Review' in the company's Annual Report on Form 20-F for 2007.

Registered in England and Wales No. 3888792

Registered Office: 980 Great West Road Brentford, Middlesex TW8 9GS

Forward Looking Statement for Genmab

This Stock Exchange Release contains forward looking statements. The words"believe", "expect", "anticipate", "intend" and "plan" and similar expressions identify forward looking statements. Actual results or performance may differ materially from any future results or performance expressed or implied by such statements. The important factors that could cause our actual results or performance to differ materially include, among others, risks associated with product discovery and development, uncertainties related to the outcome and conduct of clinical trials including unforeseen safety issues, uncertainties related to product manufacturing, the lack of market acceptance of our products, our inability to manage growth, the competitive environment in relation to our business area and markets, our inability to attract and retain suitably qualified personnel, the unenforceability or lack of protection of our patents and proprietary rights, our relationships with affiliated entities, changes and developments in technology which may render our products obsolete, and other factors. For a further discussion of these risks, please refer to the section "Risk Management" in Genmab's Annual Report, which is available on www.genmab.com. Genmab does not undertake any obligation to update or revise forward looking statements in this Stock Exchange Release nor to confirm such statements in relation to actual results, unless required by law.

Genmab®; the Y-shaped Genmab logo®; HuMax®; HuMax-CD20®; HuMax-EGFr(TM); HuMax-IL8(TM); HuMax-TAC(TM); HuMax-HepC(TM); HuMax-CD38(TM); HuMax-CD32b(TM); HuMax-TF(TM); HuMax-Her2(TM); HuMax-VEGF(TM) and UniBody® are all trademarks of Genmab A/S. Arzerra(TM) is a trademark of GlaxoSmithKline.

Stock Exchange Release no. 29/2009

Contact:

GlaxoSmithKlineUK Media enquiriesPhilip Thomson(020) 8047 5502David Outhwaite(020) 8047 5502Stephen Rea(020) 8047 5502US Media enquiriesMary A. Rhyne(919) 699 1758European Analyst/ Investor enquiriesDavid Mawdsley(020) 8047 5564Sally Ferguson(020) 8047 5543Gary Davies(020) 8047 5503US Analyst/ Investor enquiriesTom Curry(215) 751 5419Jen Hill Baxter(215) 751 7002GenmabHelle Husted, Vice President, Investor Relations+45 33 44 77 30Mobile: +45 25 27 47 13hth@genmab.com


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