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Study details
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Peposertib and Radiation Therapy for Glioblastoma/Gliosarcoma

M.D. Anderson Cancer Center
NCT IDNCT04555577ClinicalTrials.gov data as of Apr 2026
Phase

Phase 1

Target enrollment

29

Study length

about 7.3 years

Ages

18+

Locations

1 site in TX

What this study is about

This trial is testing the safety and best dose of Peposertib, combined with radiation therapy, in treating patients with newly diagnosed MGMT unmethylated glioblastoma or gliosarcoma. The treatment involves using high-energy x-rays to kill tumor cells and shrink tumors. Peposertib may further stop tumor cell growth by blocking enzymes needed for cell division. Chemotherapy drugs like temozolomide are also used to stop tumor cell growth.

Simplified from trial records by PatientMatch.

What you may be asked to do

  • 1.Receive Radiation Therapy
  • 2.Take Peposertib
  • 3.Take Temozolomide
  • +1 more

Participation Burden

What's physically and logistically required of participants.

Logistics & Travel
In-person visits

Requires travel to a study site

Physical Intervention
Injection / IVInjection / IV

How treatment is administered

Treatment Assignment
All receive treatment

Everyone gets the investigational treatment.

Extracted study details

Pulled from the trial record to show what is being tested and what the study is measuring.

Drug classes

temozolomide

Drug routes

injection, intravenous

Endpoints

Primary: Maximum tolerated dose (MTD) (Stage I)

Secondary: Dose-limiting toxicities (DLT) (Stage I), Median overall survival (Stage I), Median overall survival (Stage II), Median progression-free survival (Stage I), Median progression-free survival (Stage II), Overall response rate (Stage I), Overall response rate (Stage II)

Procedures

radiation, surgery

Body systems

Oncology