Cancer Clinical Trial
Official title:
An Open-Label, Phase 2 Efficacy Study of Temozolomide (TMZ) In Advanced Succinate Dehydrogenase (SDH)-Mutant/Deficient Gastrointestinal Stromal Tumor (GIST)
Verified date | August 2023 |
Source | University of California, San Diego |
Contact | n/a |
Is FDA regulated | No |
Health authority | |
Study type | Interventional |
Funding Source - FDA OOPD FDA-approved products for patients with unresectable or metastatic GIST include therapies such as imatinib and sunitinib. Although there are FDA-approved products for the treatment of advanced/metastatic GIST, these therapies are known to be ineffective in the SDH-mutant/deficient subtype and no known effective therapies exist. The purpose of this study is to investigate SDH-Mutant/Deficient Gastrointestinal Stromal cancer's response to the drug Temozolomide (TMZ) and aim to improve patient outcomes. Temozolomide is approved by the FDA for the treatment of newly diagnosed glioblastoma multiforme (GBM) and refractory anaplastic astrocytoma cancers. Temozolomide is considered experimental because it is not approved by the FDA for the treatment of SDH-Mutant/Deficient Gastrointestinal Stromal Tumor.
Status | Active, not recruiting |
Enrollment | 23 |
Est. completion date | June 2025 |
Est. primary completion date | June 2024 |
Accepts healthy volunteers | No |
Gender | All |
Age group | 18 Years and older |
Eligibility | Inclusion Criteria: 1. Patient has pathologically confirmed SDH-mutant/deficient GIST. 2. Has recovered from the acute toxic effects of all prior chemotherapy, immunotherapy, or radiotherapy. 3. Patient has an ECOG Performance Status of 0-2. 4. Patient has adequate hematologic, hepatic and renal function. 5. Female patient of childbearing potential has a negative serum or urine pregnancy within 72 hours prior to receiving the first dose of study medication. 6. Female patient of childbearing potential agrees to use 2 methods of birth control or be surgically sterile, or abstain from heterosexual activity for the course of the study through 120 days after the last dose of study medication. 7. Male patient with a partner of childbearing potential agrees to use an adequate method of contraception starting with the first dose of study therapy through 120 days after the last dose of study therapy. 8. Has measurable or evaluable disease as per RECIST v1.1 (Appendix B). 9. Life expectancy of >12 weeks. Exclusion Criteria: 1. Patients who have had major surgery within 4 weeks of initiation of study medication. 2. Patients who are receiving other concurrent anti-neoplastic therapy (e.g., chemotherapy, targeted therapy, immunotherapy, or radiotherapy) at the start of study treatment. 3. Patients with known brain metastases should be excluded from this clinical trial because of their poor prognosis and because they often develop progressive neurologic dysfunction that would confound the evaluation of neurologic and other adverse events. 4. Evidence of severe or uncontrolled systemic diseases [e.g., unstable or uncompensated respiratory, cardiac (including life threatening arrhythmias)]. 5. Unresolved toxicity = CTCAE Grade 2 from previous anti-cancer therapy except alopecia (if applicable) unless agreed that the patient can be entered after discussion with the Medical Monitor. 6. Presence of cardiac impairment class III and IV definitions; OR history of myocardial infarction/active ischemic heart disease within one year of study entry; OR uncontrolled dysrhythmias; OR poorly controlled angina. 7. Pregnant or breast-feeding females. 8. Medical condition such as uncontrolled infection (including HIV), uncontrolled diabetes mellitus or cardiac disease which, in the opinion of the treating physician, would make this protocol unreasonably hazardous for the patient. 9. Any concurrent condition which in the investigator's opinion makes it undesirable for the subject to participate in this trial or which would jeopardize compliance with the protocol. 10. Patients who cannot swallow oral formulations of the agent |
Country | Name | City | State |
---|---|---|---|
United States | UC San Diego Moores Cancer Center | La Jolla | California |
United States | University of Miami | Miami | Florida |
United States | Fox Chase Cancer Center | Philadelphia | Pennsylvania |
United States | Oregon Health & Science University | Portland | Oregon |
Lead Sponsor | Collaborator |
---|---|
Adam Burgoyne, MD, PhD |
United States,
Type | Measure | Description | Time frame | Safety issue |
---|---|---|---|---|
Primary | Overall Response Rate | To determine overall response rate at 6 months for TMZ therapy in patients with SDH-mutant/deficient GIST | 6 months | |
Secondary | Progression-free survival | 4 years | ||
Secondary | Overall survival | 4 years | ||
Secondary | Adverse events related to TMZ | Description, grade [CTCAE v4.03], and seriousness | 6 months |
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