Combination therapy for advanced solid tumors and prostate cancer

Combination of Autophagy Selective Therapeutics (COAST) in Advanced Solid Tumors or Relapsed Prostate Cancer, A Phase I/II Trial

PHASE1; PHASE2 · Medical University of South Carolina · NCT05036226

This study is testing a new combination of five oral drugs to see if they can safely help people with advanced solid tumors and prostate cancer.

Quick facts

PhasePHASE1; PHASE2
Study typeInterventional
Enrollment76 (estimated)
Ages18 Years and up
SexAll
SponsorMedical University of South Carolina (other)
Drugs / interventionschemotherapy, immunotherapy, radiation, dasatinib
Locations1 site (Charleston, South Carolina)
Trial IDNCT05036226 on ClinicalTrials.gov

What this trial studies

This Phase I/II study evaluates the safety and effectiveness of a combination of five oral drugs—hydroxychloroquine, metformin, sirolimus, dasatinib, and nelfinavir—in patients with advanced solid tumors and prostate cancer. The study employs a traditional 3+3 dose escalation design, starting with a base combination of three drugs and progressively adding the other two based on safety assessments. The initial cohort will consist of 18-30 patients, and the study aims to identify safe dosage levels for these combinations. If successful, this could lead to new treatment options for patients with limited alternatives.

Who should consider this trial

Good fit: Ideal candidates include adults with advanced solid tumors or recurrent prostate cancer who have shown disease progression despite standard treatments.

Not a fit: Patients with early-stage cancer or those who have not progressed on standard therapies may not benefit from this study.

Why it matters

Potential benefit: If successful, this therapy could provide new treatment options for patients with advanced solid tumors and prostate cancer who have exhausted standard therapies.

How similar studies have performed: While combination therapies are common, this specific combination has not been extensively tested, making it a novel approach.

Eligibility criteria

Show full inclusion / exclusion criteria
Inclusion Criteria:

1. Patient must have advanced solid tumor cancer of any type (Phase I) or advanced prostate cancer (Phase II). Prostate cancer patients must have a PSA of at least 0.1 ng/mL.
2. Tissue diagnosis documented by pathology report, or clinic note attesting to same.
3. Measurable / evaluable tumor by RECIST, quantitative blood biomarker, or radionuclide imaging
4. Voluntary, signed and dated, Institutional Review Board (IRB) approved consent form in accordance with regulatory and institutional guidelines.
5. Documented progression of disease during treatment with one or more standard systemic regimens. Single or multiple regimens of chemotherapy, hormone suppression therapy, radiation therapy, surgery, immunotherapy, or adoptive cell therapy are allowed.
6. 18 years of age or older.
7. ECOG performance status of 0-2.
8. Bilirubin ≤ 1.5 times upper limit of normal (ULN) and AST / ALT ≤ 3 times ULN. Subjects with Gilbert's syndrome may be included if the total bilirubin is \< 3 times ULN and the direct bilirubin is within normal limits.
9. Serum creatinine ≤ 1.5 times ULN.
10. Absolute neutrophil count (ANC) ≥ 1,000 cells / mm3
11. Platelet count ≥ 75,000 cells / mm3
12. Hemoglobin ≥ 9 g/ dL.
13. Fasting glucose ≤ 160 mg/dL or non-fasting glucose ≤ 200 mg/dL.
14. Urinalysis with no clinically significant abnormalities.
15. Adequately controlled blood pressure as determined by the treating investigator.
16. Subjects with the potential to produce children must agree to effective contraceptive method use during study participation.
17. Patients requiring narcotic analgesics must be on stable doses for at least 2 weeks prior to study entry.
18. Patients being considered for a dose level containing nelfinavir mesylate must discontinue any statin use within 48 hours of beginning study treatment.

Exclusion Criteria:

1. New York Heart Association Class III or IV, cardiac disease, myocardial infarction within the past 6 months, unstable arrhythmia, or history of ischemia on ECG.
2. Underlying psychiatric disorder requiring hospitalization within the last two years.
3. Clinically significant neurological disorder (Parkinson's disease, dementia, multiple sclerosis), as determined by the enrolling investigator.
4. Active, uncontrolled bacterial, viral, or fungal infection, requiring systemic therapy.
5. Treatment with local or systemic radiation therapy, surgery, or investigational therapy within 28 days prior to registration.
6. Unwillingness or inability to comply with procedures required in this protocol.
7. Serious nonmalignant disease that could compromise protocol objectives in the opinion of the Investigator.
8. Patients who are receiving, coumadin, apixaban, argatroban or rivaroxaban.
9. Patients who are currently participating in any other clinical trial of an investigational product.
10. Any other mental incapacitation or psychiatric illness that would preclude study participation, as determined by the enrolling investigator.
11. Prisoners or patients who are compulsorily detained (involuntarily incarcerated) for treatment of either a psychiatric or physical (e.g., infectious disease) illness must not be enrolled into this study.

Where this trial is running

Charleston, South Carolina

Study contacts

How to participate

  1. Review the eligibility criteria above with your treating physician.
  2. Visit the official trial page on ClinicalTrials.gov for the most current contact information and recruitment status.
  3. Contact the listed study coordinator or principal investigator to request pre-screening. Pre-screening is free and never obligates you to enroll.

View on ClinicalTrials.gov →

Conditions: Prostate Cancer Recurrent, Solid Tumor, Adult

Last reviewed 2026-05-15 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.