Status:

NOT_YET_RECRUITING

Early Application of Memantine and Pioglitazone to Protect Cognitive Function After Radiotherapy

Lead Sponsor:

Affiliated Cancer Hospital & Institute of Guangzhou Medical University

Collaborating Sponsors:

Guangdong Provincial People's Hospital

Fujian Medical University Union Hospital

Conditions:

Radiation Disease

Cognitive Impairment

Eligibility:

All Genders

18-65 years

Phase:

PHASE2

Brief Summary

This clinical trial aims to evaluate the efficacy of early intervention with Memantine and Pioglitazone in preventing Radiation-Induced Brain Injury (RIBI) in patients undergoing cranial radiotherapy....

Eligibility Criteria

Inclusion

  • Recursive Partitioning Analysis (RPA), Class I \~ Class II
  • Karnofsky Performance Status of ≥70
  • The primary tumor must be pathologically confirmed. For newly diagnosed brain metastases, the number of metastases is not limited, but the brain metastases could not have been within 5 mm of hippocampus. Additionally, there must be no hard or soft meningeal metastases.
  • No history of whole-brain radiation therapy; patients who are eligible for surgical resection of brain metastases prior to radiation therapy are allowed.
  • Bone marrow function: White blood cell count ≥ 4 × 10⁹/L, hemoglobin ≥ 90 g/L, and platelet count ≥ 100 × 10⁹/L.
  • Adequate hepatic function: Total bilirubin ≤ 1.5 × ULN (Upper Limit of Normal); ALT (alanine aminotransferase), AST (aspartate aminotransferase) ≤ 2.5 × ULN; ALP (alkaline phosphatase) ≤ 2.5 × ULN and total bilirubin ≤ ULN.
  • Adequate renal function: creatinine clearance rate ≥ 30 ml/min.
  • Patients or their legal guardians voluntarily participate and sign the informed consent form.

Exclusion

  • Radiographic evidence of hydrocephalus or other architectural distortion of the ventricular system, including placement of external ventricular drain or ventriculoperitoneal shunt.
  • Planned cytotoxic chemotherapy during the WBRT.
  • Pregnant or lactating women (Women of childbearing age must undergo a pregnancy test; effective contraception must be enforced during the treatment period).
  • Previous cranial radiation therapy (Except for patients with head and neck cancer where the disease site is outside the cranial radiation field).
  • Severe or active symptomatic cardiopulmonary diseases; clinically significant psychiatric disorders; Personality or psychiatric disease; Severe hepatic disease defined as a diagnosis of Child-Pugh class B or C hepatic disease;
  • Intolerant to or allergic to Memantine or pioglitazone.
  • Difficulty swallowing, chronic diarrhea, or bowel obstruction.
  • NYHA class III or IV heart failure or symptomatic peripheral edema (grade 2 or higher); those treated with insulin or oral hypoglycemic agents for steroid-induced hyperglycemia, or those currently using other NMDA antagonists.

Key Trial Info

Start Date :

September 10 2024

Trial Type :

INTERVENTIONAL

Allocation :

ESTIMATED

End Date :

June 30 2027

Estimated Enrollment :

67 Patients enrolled

Trial Details

Trial ID

NCT06594172

Start Date

September 10 2024

End Date

June 30 2027

Last Update

September 19 2024

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