Clinical trial · Interventional
Diet and PSA Levels in Patients With Prostate Cancer
The Effect of a Low Fat Diet, High in Soy, Fruits, Vegetables, Green Tea, Vitamin E and Fiber on the PSA in Patients With Prostate Cancer
- Source
- ClinicalTrials.gov
- Retrieved
- Sep 8, 2026
- Layer
- normalized (units and labels harmonized; values unchanged)
- Run
- ING-CLINICALTRIALS-20260908-000001
Summary
Brief summary (as posted)
RATIONALE: The amount of fat, fiber, soy, fruits, vegetables, vitamin E, and green tea in the diet may affect androgen metabolism in men. This may affect PSA level in patients with prostate cancer. PURPOSE: Randomized phase III trial to compare the effectiveness of two diets, differing in fat, fiber, soy, fruit, vegetable, vitamin E, and green tea content, in affecting PSA level in patients with prostate cancer.
Conditions
Conditions (1)
Free-text conditions as registered, with the CancerIndex entity they were reconciled to and the match type.
| Condition (as posted) | Mapped entity | Match | Confidence |
|---|---|---|---|
| Prostate Cancer | Malignant Prostate Neoplasm | CURATED_EXACT | 0.92 |
Interventions
Interventions (3)
| Intervention | Type | Mapped drug | Match |
|---|---|---|---|
| green tea | Dietary Supplement | — | UNRESOLVED |
| soy protein isolate | Dietary Supplement | — | UNRESOLVED |
| vitamin E | Dietary Supplement | — | UNRESOLVED |
Eligibility
Eligibility (as posted)
- Sex
- Male
- Minimum age
- 18 Years
Show eligibility criteria text
DISEASE CHARACTERISTICS: Histologically confirmed adenocarcinoma of the prostate with either: Two increases in prostate-specific antigen (PSA) levels with a minimal 30% increase in range of values following either prostate surgery (prostatectomy) or radiation therapy PATIENT CHARACTERISTICS: Age: 18 and over Performance status: Karnofsky 70-100% Life expectancy: At least 6 months Hematopoietic: WBC greater than 3,500/mm3 Platelet count greater than 100,000/mm3 Hepatic: Bilirubin less than 2.0 mg/dL OR SGOT less than 3 times upper limit of normal (ULN) Renal: Creatinine less than 2.0 mg/dL OR Creatinine clearance greater than 40 mL/min Cardiovascular: No significant heart disease (New York Heart Association class III or IV) Pulmonary: No severe debilitating pulmonary disease Other: No narcotic dependent pain No extreme dietary patterns (such as a macrobiotic diet) No baseline diet having fewer than 25% calories from fat No history of second malignancy within past 5 years except nonmelanomatous skin cancer No insulin-dependent diabetes No infection requiring antibiotics PRIOR CONCURRENT THERAPY: Biologic therapy: Not specified Chemotherapy: Not specified Endocrine therapy: At least 4 weeks since hormone therapy Radiotherapy: At least 4 weeks since radiotherapy Surgery: Prior prostatectomy allowed Other: Recovered from toxic effects of any prior therapy
References
Publications (0)
Data not yet available