Millennium and Seattle Genetics Initiate Global Phase 3 Trial of ADCETRIS™ in Patients with CD30-Expressing Relapsed …
Posted: May 8, 2012 at 11:32 pm
CAMBRIDGE, Mass. & BOTHELL, Wash.--(BUSINESS WIRE)--
Millennium: The Takeda Oncology Company, a wholly owned subsidiary of Takeda Pharmaceutical Company Limited (TSE:4502) and Seattle Genetics, Inc. (Nasdaq: SGEN - News), today announced the initiation of an international pivotal phase 3 clinical trial evaluating ADCETRIS (brentuximab vedotin) in patients with CD30-expressing cutaneous T-cell lymphoma (CTCL) who received at least one prior systemic therapy. The global multi-center study with ADCETRIS, an antibody-drug conjugate (ADC) directed to CD30, will be conducted in the United States, Europe, Australia and Brazil. The trial is being conducted under a Special Protocol Assessment (SPA) agreement from the U.S. Food and Drug Administration (FDA) regarding the trial design. The study also received European Medicines Agency (EMA) scientific advice.
Millennium is pleased to announce the initiation of the pivotal trial of ADCETRIS in patients with relapsed CD30-expressing CTCL. We recognize this as a significant milestone in our efforts to explore the potential of this targeted therapy in other indications, said Karen Ferrante, MD, Chief Medical Officer, Millennium. Looking forward, this study may support the potential to supplement therapeutic options for patients, from traditional systemic chemotherapy to ADCETRIS, a targeted therapy.
Data from patients with cutaneous lesions observed in our pivotal trial in systemic anaplastic large cell lymphoma (sALCL) and interim data from investigator-sponsored trials in CTCL with ADCETRIS provide a strong rationale for initiating this phase 3 trial, said Thomas C. Reynolds, M.D., Ph.D., Chief Medical Officer, Seattle Genetics. CTCL is an important part of our development plan to broadly evaluate ADCETRIS in CD30-expressing malignancies. This trial complements many other ongoing and planned trials for patients in need, including two additional phase 3 trials for front-line Hodgkin lymphoma (HL) and front-line mature T-cell lymphomas expected to start by late 2012 or early 2013.
CD30 is a member of the tumor necrosis factor receptor (TNFR) family and is a characteristic cell surface receptor for activated T-cells and B-cells, including the malignant cells of HL and sALCL. According to published literature, up to 50 percent of CTCL patients lesions express CD30(1-3). Under a previously announced collaboration agreement with Ventana Medical Systems, Inc. (Ventana), Millennium and Seattle Genetics, Ventana is developing a molecular companion diagnostic test for use in this CTCL patient population.
Study design
The study is a randomized, open-label, phase 3 trial of ADCETRIS versus investigators choice of methotrexate or bexarotene in patients with CD30-positive CTCL, including those with primary cutaneous anaplastic large cell lymphoma (pcALCL) or mycosis fungoides (MF). The primary endpoint of the study is overall response rate (ORR), lasting at least 4 months, with ADCETRIS in patients with CD30-positive MF or pcALCL compared to that achieved with therapy in the control arm. The key secondary endpoints are complete response (CR), progression-free survival (PFS), and burden of symptoms. Approximately 124 patients will be enrolled in the pivotal trial.
For more information about the trial, please visit http://www.clinicaltrials.gov.
About ADCETRIS
ADCETRIS (brentuximab vedotin) is an ADC comprising an anti-CD30 monoclonal antibody attached by a protease-cleavable linker to a microtubule disrupting agent, monomethyl auristatin E (MMAE), utilizing Seattle Genetics proprietary technology. The ADC employs a linker system that is designed to be stable in the bloodstream but to release MMAE upon internalization into CD30-expressing tumor cells.
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