Gallium Maltolate for the Treatment of Pediatric Patients With Relapsed or Refractory Pediatric H… (NCT07331064) | Clinical Trial Compass
Not Yet RecruitingPhase 1
Gallium Maltolate for the Treatment of Pediatric Patients With Relapsed or Refractory Pediatric High-Grade Glioma and Atypical Teratoid Rhabdoid Tumor
15 participantsStarted 2026-05-15
Plain-language summary
In this study, we want to find out more about the side effects of an investigational drug for relapsed or refractory atypical teratoid rhabdoid tumor and high-grade glioma, Gallium Maltolate (GaM) and what doses of GaM are safe for people to take. Everyone in this study will receive GaM which is still experimental and is not approved by the U.S. Food and Drug Administration. We do not know all the ways that this drug may affect people. We hope the information from this study will help us develop a better treatment for relapsed or refractory atypical teratoid rhabdoid tumor and high-grade glioma in the future.
Who can participate
Age range0 Months – 17 Years
SexALL
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Inclusion criteria
✓. Voluntary written consent must be obtained before performance of any study-related procedure not part of standard medical care, with the understanding that consent may be withdrawn by the subject at any time without prejudice to future medical care.
✓. Patients must have a prior histological diagnosis of pediatric high-grade glioma (WHO Grade 3 or 4, including DMG/DIPG) or ATRT (WHO Grade 4) or molecular features of such tumors (per the 6th volume of Central Nervous System Tumors in the 5th edition of the WHO Classification of Tumors).
✓. Patients are required to have received standard treatment for their tumor type which is considered to include at least:
✓. Patients must have fully recovered from the acute toxic effects of all prior anti-cancer therapy and must meet the following minimum duration from prior anti-cancer directed therapy prior to enrollment; if after the required timeframe, the numerical eligibility criteria are met, e.g., blood count criteria, the patient is considered to have recovered adequately.
✓. Cytotoxic chemotherapy (given systemically or intraventricular/intrathecal) or other anti-cancer agents known to be myelosuppressive ≥21 days after the last dose of cytotoxic or myelosuppressive chemotherapy (42 days if prior nitrosourea).
✓. Anti-cancer agents not known to be myelosuppressive (e.g., not associated with reduced platelet or absolute neutrophil count \[ANC\] counts): ≥7 days after the last dose of agent.
What they're measuring
1
GaM tolerance
Timeframe: From start of treatment with GaM to 30 days after completion of treatment with GaM
2
RP2D
Timeframe: From start of treatment with GaM to 30 days after completion of treatment with GaM
3
GaM PK levels
Timeframe: From start of treatment with GaM to 6 months from start of treatment with GaM (for participants who complete 6 months of treatment).
✓. Antibodies: ≥ 21 days must have elapsed from infusion of last dose of antibody, and toxicity related to prior antibody therapy must be recovered to grade ≤1 (for purposes of this study, bevacizumab is considered an antibody).
✓. Corticosteroids:
Exclusion criteria
✕. Presence of other active malignant disease diagnosed within 12 months.
✕. Not appropriately recovered from prior therapy as defined by time frames listed in the inclusion criteria (Section 4.5.2.1).
✕. Known hypersensitivity to or intolerance to gallium-based medications.
✕. Concurrent use of cytotoxic chemotherapy is not permitted.
✕. Unstable or severe concurrent medical conditions such as severe heart disease, renal failure, uncontrolled diabetes mellitus, or severe lung disease.
✕. History of interstitial lung disease, history of slowly progressive dyspnea and unproductive cough, sarcoidosis, silicosis, idiopathic pulmonary fibrosis, pulmonary hypersensitivity pneumonitis, or symptomatic pleural effusion.
✕. Patients who have not completed all standard-of-care treatments including surgical procedures and radiation therapy.