Journal of Clinical Oncology, 2009 ASCO Annual Meeting Proceedings (Post-Meeting Edition).
Vol 27, No 15S (May 20 Supplement), 2009: 2001
© 2009 American Society of Clinical Oncology

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Abstract

NABTT 0306: A randomized phase II trial of EMD 121974 in conjunction with concomitant and adjuvant temozolomide with radiation therapy in patients with newly diagnosed glioblastoma multiforme (GBM)

University of Alabama at Birmingham, Birmingham, AL; Henry Ford Hospital, Detroit, MI; Massachusetts General Hospital, Boston, MA; Wake Forest University School of Medicine, Winston-Salem, NC; University of Pennsylvania, Philadelphia, PA; Johns Hopkins University School of Medicine, Baltimore, MD; Cedars-Sinai Medical Center, Los Angeles, CA; Emory University, Atlanta, GA; H. Lee Moffitt Cancer Center, Tampa, FL

2001

Background: EMD 121974 (cilengitide) is a selective integrin receptor inhibitor that is well tolerated and has demonstrated biological activity in patients with malignant glioma. The objectives of this phase II trial were to determine safety when combined with chemoradiation and estimate the overall survival for two different doses in newly diagnosed GBM. Methods: A total of 112 patients were accrued onto the trial through the NABTT CNS consortium. Cilengitide was administered by one-hour infusion twice a week with 18 patients treated in a safety run-in phase of 6 patients at the tested dose levels of 500 mg, 1000 mg, and 2000 mg. After safety completion, 94 patients were randomly assigned to either 500 mg or 2000 mg groups. To date, 55 out of 112 (49%) patients have died. Overall survival was estimated using all patients in this trial regardless of their treating dose. Results: The median age was 55 years old (range: 22–88) and the median KPS was 90 (range: 60–100). 86 out of the 112 (76.8%) had a craniotomy as their initial surgical procedure and 25 patients (22%) had a biopsy. There were no DLTs during the safety run-in phase. The estimated median survival time is 18.9 months (95% CI: 16.3 -30.0 months) for patients treated with RT+TMZ+EMD. The trial was closed to accrual on December 31, 2007. To date, 89 out of 112 patients were alive 12 months from their initial diagnosis. The overall survival at 12 months for all patients is 79.5% (95% CI: 71–87%). MGMT methylation status and survival based on dose levels received are not currently available. Conclusions: EMD 121974 (cilengitide) is well-tolerated when combined with standard chemoradiation (TMZ+RT) and may improve survival for patients newly diagnosed with GBM given the substantial differences between the estimated median survival and that seen in the EORTC study (Stupp, N Engl J Med, 2005).

Author Disclosure

Employment or Leadership Consultant or Advisory Role Stock Ownership Honoraria Research Funding Expert Testimony Other Remuneration Merck

Abstract presentation from the 2009 ASCO Annual Meeting