U.S., Nov. 11 -- ClinicalTrials.gov registry received information related to the study (NCT07226453) titled 'Target Validation and Efficacy of Metformin in Patients With Posterior Fossa Group A (PFA) Ependymoma' on Nov. 06.

Brief Summary: This is a multi-site study of the pharmacodynamic effects and efficacy of metformin in children and young adults with recurrent or progressive Posterior Fossa Group A (PFA) ependymoma.

Study Start Date: Feb. 28, 2026

Study Type: INTERVENTIONAL

Condition: Posterior Fossa Ependymal Tumor

Intervention: DRUG: Metformin

Given orally (PO)

PROCEDURE: Planned Surgical Resection

Undergo planned surgery as part of regular care

PROCEDURE: Magnetic Resonance Imaging (MRI)

Undergo MRI imaging

PROCEDURE: Sp...