Author of

• 20153

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  P1.04 - Clinical Design, Statistics and Clinical Trials (ID 690)

  • Event: WCLC 2017
  • Type: Poster Session with Presenters Present
  • Track: Clinical Design, Statistics and Clinical Trials
  • Presentations: 1
  • Moderators:
  • Coordinates: 10/16/2017, 09:30 - 16:00, Exhibit Hall (Hall B + C)

  • 22622

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    P1.04-013 - Phase 1b Multi-Indication Study of the Antibody Drug Conjugate Anetumab Ravtansine in Patients with Mesothelin-Expressing Advanced or Recurrent Malignancies (ID 10897)

    09:30 - 09:30  |  Author(s): A. Holynskyj
    • Abstract
    • Slides

    Background:
    Mesothelin is expressed in a wide variety of tumors, including mesothelioma, ovarian, pancreatic, gastric/GEJ, NSCLC, triple-negative breast cancer, cholangiocarcinoma, and thymic carcinomas. Anetumab ravtansine (BAY 94-9343), is a novel fully human anti-mesothelin IgG1 antibody conjugated to the maytansinoid tubulin inhibitor DM4 and has shown encouraging anti-tumor activity in mesothelioma and ovarian cancer patients in a phase I study. We will therefore conduct a signal generating study with anetumab ravtansine in six additional high unmet medical need malignancies with mesothelin expression (NCT03102320).
    
    Method:
    Eligibility criteria include: ≥18 years, unresectable locally advanced or metastatic recurrent or relapsing disease, one or more prior lines of therapy, and availability of tumor tissue for mesothelin expression testing. Mesothelin-positive patients with selected adenocarcinomas (NSCLC, triple negative breast, gastric including gastroesophageal junction) and thymic carcinoma will receive anetumab ravtansine as monotherapy at 6.5 mg/kg IV on a 21-day cycle. Patients with cholangiocarcinoma will receive anetumab ravtansine in combination with cisplatin (25 mg/m2 IV day 1 and 8 on a 21-day cycle for up to 6 cycles) and patients with pancreatic adenocarcinoma will receive anetumab ravtansine in combination with gemcitabine (1000 mg/m2 IV day 1 and 8 on a 21-day cycle). A safety run-in phase (18-24 patients each) will be conducted for the combination regimens prior to enrolling patients in the main study phase. The primary objective of the main phase of the study is objective response rate (ORR) of anetumab ravtansine as monotherapy or combination therapy in patients with either of two mesothelin expression levels: high (≥30% positive tumor cells with moderate and stronger membrane staining intensity) and low-mid (≥5% all intensities and <30% positive tumor cells with moderate and stronger membrane staining intensity). Secondary objectives include safety, disease control rate, duration of response, durable response rate, and progression-free survival. Approximately 348 patients will be enrolled.
    
    Result:
    Section not applicable
    
    Conclusion:
    Section not applicable
    
    

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