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Clinical Trial Summary

This phase I trial studies the best dose and side effects of abexinostat and how well it works with given together with pembrolizumab in treating participants with microsatellite instability (MSI) solid tumors that have spread to other places in the body. Abexinostat may stop the growth of tumor cells by blocking some of the enzymes needed for cell growth. Monoclonal antibodies, such as pembrolizumab, may interfere with the ability of tumor cells to grow and spread. Giving abexinostat and pembrolizumab may work better in treating participants with solid tumors.


Clinical Trial Description

PRIMARY OBJECTIVES: I. To determine the maximally tolerated and recommended phase 2 dose of abexinostat in combination with anti-PD-1/PD-L1 checkpoint inhibitor (CPI). (Dose escalation) II. To determine the objective response rate (ORR) by Response Evaluation Criteria in Solid Tumors (RECIST) 1.1 criteria in patients treated with abexinostat in combination with CPI in patients with prior primary (cohort A) or acquired (cohort B) resistance to prior CPI treatment. (Dose expansion) SECONDARY OBJECTIVES: I. To determine the objective response rate and median duration of response (DoR) by immune modified (i)RECIST criteria. II. To determine the median progression-free survival (PFS). III. To further characterize the safety profile of the treatment combination. OUTLINE: This is a dose-escalation study of abexinostat. Participants receive abexinostat orally (PO) twice daily (BID) on days 1-21 and pembrolizumab intravenously (IV) on over 30 minutes day 1. Courses repeat every 21 days in the absence of disease progression or unacceptable toxicity. After completion of study treatment, participants are followed up for 90 days. ;


Study Design


Related Conditions & MeSH terms

  • Carcinoma
  • Carcinoma, Non-Small-Cell Lung
  • Carcinoma, Squamous Cell
  • Locally Advanced Melanoma
  • Locally Advanced Solid Neoplasm
  • Lung Neoplasms
  • Melanoma
  • Metastatic Head and Neck Squamous Cell Carcinoma
  • Metastatic Malignant Solid Neoplasm
  • Metastatic Melanoma
  • Metastatic Urothelial Carcinoma
  • Neoplasms
  • Non-Small Cell Lung Carcinoma
  • Skin Neoplasms
  • Squamous Cell Carcinoma of Head and Neck
  • Stage IB Lung Cancer AJCC v7
  • Stage III Cutaneous Melanoma
  • Stage III Cutaneous Squamous Cell Carcinoma of the Head and Neck AJCC v8
  • Stage III Lung Cancer AJCC v8
  • Stage III Ureter Cancer AJCC v8
  • Stage IIIA Lung Cancer AJCC v8
  • Stage IIIB Lung Cancer AJCC v8
  • Stage IIIC Lung Cancer AJCC v8
  • Stage IV Cutaneous Melanoma
  • Stage IV Cutaneous Squamous Cell Carcinoma of the Head and Neck AJCC v8
  • Stage IV Lung Cancer AJCC v8
  • Stage IV Ureter Cancer AJCC v8
  • Stage IVA Lung Cancer AJCC v8
  • Stage IVB Lung Cancer AJCC v8
  • Ureteral Neoplasms

NCT number NCT03590054
Study type Interventional
Source University of California, San Francisco
Contact
Status Completed
Phase Phase 1
Start date August 20, 2018
Completion date November 30, 2023

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