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Clinical Trial Summary

Study CP-MGC018-03 is an open-label, two-part, Phase 2 study. Part 1 of the study will enroll participants with metastatic castration-resistant prostate cancer (mCRPC) previously treated with one prior androgen receptor axis-targeted therapy (ARAT). ARAT includes abiraterone, enzalutamide, or apalutamide. Participants may have received up to 1 prior docetaxel-containing regimen, but no other chemotherapy agents. This part of the study will assess the efficacy and tolerability of vobramitamab duocarmazine (MGC018) in two experimental arms (2.0 mg/kg every 4 weeks [Q4W] and 2.7 mg/kg Q4W) . Approximately 100 participants will be randomized 1:1. Part 2 of the study will enroll participants with locally advanced or metastatic squamous cell carcinoma (SCC) of the anus, melanoma, head and neck squamous cell carcinoma (HNSCC), squamous non-small cell lung carcinoma (NSCLC), and small cell lung carcinoma (SCLC). Participants must have progressive following at least 1 prior line of standard chemotherapy for advanced or metastatic disease. Participants will receive vobramitamab docarmazine at a dose of 2.7 mg/kg every 4 weeks. Up to 200 participants may be enrolled in Part 2. In both parts, vobramitamab duocarmazine will be administered intravenously (IV) in clinic on Day 1 of each 4-week cycle. Vobramitamab duocarmazine will be administered for up to 26 cycles, approximately 2 years, until criteria for treatment discontinuation are met. Participants will undergo regular testing for signs of disease progression using computed tomography (CT) scans, magnetic resonance imaging (MRI), bone scans, and prostate-specific antigen (PSA) blood tests. Routine examinations and blood tests will be performed and evaluated by the study doctor.


Clinical Trial Description

n/a


Study Design


Related Conditions & MeSH terms

  • Anal Cancer
  • Anal Neoplasm
  • Anus Neoplasms
  • Carcinoma
  • Carcinoma, Small Cell
  • Carcinoma, Squamous Cell
  • Carcinoma, Squamous Cell of Head and Neck
  • Castration-Resistant Prostatic Cancer
  • Head and Neck Squamous Cell Carcinoma
  • Laryngeal Squamous Cell Carcinoma
  • Lung Neoplasms
  • Malignant Melanoma
  • Melanoma
  • Non-small Cell Carcinoma
  • Non-small Cell Lung Cancer
  • Oral Squamous Cell Carcinoma
  • Prostatic Neoplasms
  • Prostatic Neoplasms, Castration-Resistant
  • Small Cell Carcinoma
  • Small Cell Lung Carcinoma
  • Small-cell Lung Cancer
  • Squamous Cell Carcinoma of Head and Neck

NCT number NCT05551117
Study type Interventional
Source MacroGenics
Contact
Status Active, not recruiting
Phase Phase 2
Start date June 13, 2023
Completion date May 2027

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