Anti-GITR/Anti-PD1/Stereotactic Radiosurgery, in Recurrent Glioblastoma

Status Active, not recruiting

Clinical Trial Summary

This is a phase II study of the combination of the GITR agonist monoclonal antibody INCAGN01876, the anti-PD1 monoclonal antibody INCMGA00012, and stereotactic radiosurgery (SRS) for recurrent Glioblastoma (GBM). The investigators hypothesize that the proposed regimen will be safe and stimulate a robust anti-tumor immune response and result in improved tumor responses.

Clinical Trial Description

The study has 2 arms: Arm A (Cohort A) is a nonsurgical arm (N=16) that will serve as the primary study cohort and evaluated for the primary study endpoint. Subjects in this arm receive a single priming dose of both INCMGA00012 and INCAGN01876 prior to stereotactic radiosurgery (SRS), then undergo SRS (8 Gy x 3 fractions). Following SRS, INCMGA00012 (IV every 4 weeks) and INCAGN01876 (IV every 2 weeks) are resumed and continued until disease progression, unacceptable toxicity, or for 2 years, whichever occurs first. Arm B (Cohort B) is a surgical arm (N=16) that will allow for evaluation of the effects on the tumor immune microenvironment of INCMGA00012, INCAGN01876, and SRS. In order to be enrolled on this arm, subjects must have a clinical indication for surgical resection of the recurrent GBM tumor. Prior to planned surgical resection, subjects receive neoadjuvant immunotherapy (one of two possible combinations, as outlined below). Subjects then undergo surgery. Postoperatively, the immunotherapy combination of INCMGA00012 (IV every 4 weeks) and INCAGN01876 (IV every 2 weeks) is resumed and continued until disease progression, unacceptable toxicity, or for 2 years, whichever occurs first. Subjects in the surgical arm with a focus of contrast-enhancing tumor that is amenable to SRS will be assigned to surgical sub-arm #1 of Cohort B (N=8). These subjects will receive neoadjuvant INCMGA00012 + INCAGN01876 + SRS. All other subjects enrolled on Cohort B (N=8) are treated with neoadjvuant INCMGA00012 + INCAGN01876 (without SRS). ;

Study Design

Related Conditions & MeSH terms

Glioblastoma

Clinical Trial Details

NCT number	NCT04225039
Study type	Interventional
Source	University of Pennsylvania
Contact
Status	Active, not recruiting
Phase	Phase 2
Start date	June 23, 2020
Completion date	June 2025

View Details

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