Genmab Announces Interim Results in Pivotal Study of Zalutumumab in Head and Neck Cancer

COPENHAGEN, Denmark, January 5, 2009 -– Genmab A/S (OMX: GEN) announced today that the interim survival analysis of the Phase III pivotal study investigating zalutumumab (HuMax-EGFr®) in refractory head and neck cancer patients did not fulfill a criterion for early stopping after half the trial has been completed. An Independent Data Monitoring Committee (IDMC) has evaluated the interim results and concluded that the benefit-risk profile of zalutumumab is acceptable. The IDMC recommended that the trial should continue to enroll up to a maximum of 273 patients and a final analysis performed.

As of today, 212 patients have been randomized and the final analysis will take place once 231 deaths have occurred. 

"We are pleased that this study will continue and are optimistic that the full study results will show extended survival in patients with advanced head and neck cancer," said Lisa N. Drakeman, Ph.D., Chief Executive Officer of Genmab.

About the trial

The pivotal study will include a maximum of 273 patients with squamous cell carcinoma of the head and neck (SCCHN) who are refractory to or intolerant of standard platinum-based chemotherapy.  Patients in the study will be randomized into two treatment groups: zalutumumab in combination with best supportive care or best supportive care alone. Patients treated with zalutumumab in combination with best supportive care will receive an initial dose of 8mg/kg of zalutumumab, followed by weekly infusions of a maintenance dose until disease progression. The maintenance dose will be adjusted as necessary until the patient develops a dose limiting skin rash, up to a maximum dose of 16 mg/kg of zalutumumab. Disease status will be assessed every 8 weeks by CT scan or MRI according to RECIST criteria until disease progression and patients will be followed for survival.

The objective of the study is to evaluate the efficacy of zalutumumab in combination with best supportive care as compared to best supportive care alone in terms of overall survival. The primary endpoint in the study is overall survival from randomization until death.

Conference Call

Genmab will hold a conference call to discuss these results today, January 5, 2009 at:

6:00 pm CET
5:00 pm GMT
12:00 9m EST

The conference call will be held in English.

The dial in numbers are as follows:

+1 877-856-1969 (in the US) and ask for the Genmab conference call
+1 719-325-4814 (outside the US) and ask for the Genmab conference call

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

Posted: January 2009

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