At a glance
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A Phase II Study of the Anti-GITR Agonist INCAGN1876 and the PD-1 Inhibitor INCMGA00012 in Combination With Stereotactic Radiosurgery in Recurrent Glioblastoma
In Brief
A Phase 2 clinical trial evaluating INCMGA00012, INCAGN01876, and 2 other interventions for Glioblastoma. Active but no longer recruiting, targeting 39 participants across 1 site.
Signals
Detailed 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.
Study Details
Timeline
Arms & Interventions
Subjects in this arm (N=16) receive a single priming dose of both INCMGA00012 (500mg) and INCAGN01876 (300mg) prior to stereotactic radiosurgery (SRS), then undergo SRS (8 Gy x 3 fractions). Following SRS, INCMGA00012 (500mg IV every 4 weeks) and INCAGN01876 (300mg IV every 2 weeks) are resumed and continued until disease progression, unacceptable toxicity, or for 2 years, whichever occurs first.
Subjects in this arm (N=8) receive neoadjuvant immunotherapy INCMGA00012 (500mg) + INCAGN01876 (300mg) + SRS. Subjects then undergo surgery. Postoperatively, the immunotherapy combination of INCMGA00012 (500 mg IV every 4 weeks) and INCAGN01876 (300mg IV every 2 weeks) is resumed and continued until disease progression, unacceptable toxicity, or for 2 years, whichever occurs first.
Subjects in this arm (N=8) receive neoadjuvant immunotherapy INCMGA00012 + INCAGN01876 (without SRS). 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.
Interventions
500mg IV neoadjuvant treatment; 500 mg adjuvant treatment
300mg IV neoadjuvant treatment; 300 mg adjuvant treatment
administered over the course of 3 consecutive business days (8 Gy x 3 fractions, one fraction per day, total dose 24 Gy).
maximal safe surgical resection of the tumor.