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Clinical Trial Summary

This is a Phase 1a/1b, first-in-human (FIH), open label study to evaluate the safety, tolerability, and pharmacokinetics (PK) of PMC-309, a mAb against the human VISTA ligand, in participants with advanced or metastatic solid tumors administered as a monotherapy and in combination with pembrolizumab.


Clinical Trial Description

Phase 1a is a 2-part dose escalation; both part will adopt the modified toxicity probability interval (mTPI) design with a dose limiting toxicity (DLT) rate of 30% for dose finding. - Part A is planned as a PMC-309 dose escalation. - Part B: is planned as a PMC-309 dose escalation in combination with pembrolizumab. Phase 1b is planned as a cohort expansion with PMC-309 administered as a monotherapy (Cohort A) at the preliminary recommended Phase 2 dose (RP2D) found at Phase 1a (Part A) and in combination with pembrolizumab (Cohort B) with PMC-309 at the maximum tolerated dose (MTD)/preliminary recommended Phase 2 dose (RP2D) found at Phase 1a (Part B). A minimum of 67 participants are to be enrolled to the study. Treatment Groups: Phase 1a Part A: PMC-309 Phase 1a Part B: PMC-309 + Pembrolizumab Phase 1b Cohort A: PMC-309 Phase 1b Cohort B: PMC-309 + Pembrolizumab Estimated overall study duration: approximately 2 to 6 years Dosing Cycle: the duration of a treatment cycle is 3 weeks/21 days. ;


Study Design


Related Conditions & MeSH terms

  • Advanced or Metastatic Solid Tumors

NCT number NCT05957081
Study type Interventional
Source PharmAbcine
Contact JinKyung Kim, Mr
Phone 070-4213-2925
Email jinkyung.kim@pharmabcine.com
Status Not yet recruiting
Phase Phase 1
Start date November 28, 2023
Completion date October 4, 2028

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