Status:

ACTIVE_NOT_RECRUITING

Clinical Trial of Green Tea Catechins in Men on Active Surveillance

Lead Sponsor:

H. Lee Moffitt Cancer Center and Research Institute

Collaborating Sponsors:

National Cancer Institute (NCI)

Conditions:

Prostate Cancer

Prostate Adenocarcinoma

Eligibility:

MALE

18+ years

Phase:

PHASE2

Brief Summary

This randomized double-blinded Phase II clinical trial will evaluate the bioavailability, safety, effectiveness and validate the mechanism by which a standardized formulation of whole Green Tea Catech...

Eligibility Criteria

Inclusion

  • 18 years of age or older
  • Biopsy-proven (consisting of ≥ 12 tissue cores) adenocarcinoma of the prostate with cancer present in at least one biopsy core (TRUS or/and mpMRI/TRUS fusion), Gleason score (3+3) or predominant Gleason pattern 3 (3+4), ≤ 33% of biopsy cores, and ≤50% involvement of any biopsy core (Participant meets all criteria for Active Surveillance as determined by MD)
  • Willing to start or continue on active surveillance
  • Baseline/screening serum PSA \<10 ng/mL
  • No other prior treatment for PCa, including focal therapy
  • ECOG performance status 0-1
  • No history of renal or hepatic disease, including history of hepatitis B and C
  • Meet hematological eligibility parameters (Neutrophil count ≥ 1,200/mm3 (≥1.2 k/μL), Stable platelet count ≥ 75,000/mm3 (≥ 75k/μL) Hepatic and renal function eligibility parameters, serum total Bilirubin ≤ULN (ULN: 1.2 mg/dl) (or ≤3.0 mg/dL for patients with Gilbert's syndrome), AST or ALT \<1.5x ULN and Serum creatinine ≤1.5 x ULN
  • Willing to abstain from consumption of any supplements containing GTC
  • Willing to restrict tea consumption to less than three (3) servings of hot tea or three (3) servings of iced tea per week
  • Willing to discontinue current vitamin/mineral supplement use and use one provided by study
  • Willing to take study agent or placebo at the dose specified with meals.

Exclusion

  • Have had prior treatment for PCa by surgery, irradiation, local ablative (i.e., cryosurgery or high-intensity focused ultrasound), or androgen-deprivation therapy)
  • Men who are currently treated or those treated in the past 3 months prior to day of randomization with 5- alpha-reductase inhibitors (e.g., finasteride, dutasteride)
  • Participants who have PCa with distant metastases
  • Participants who have been treated with: hormone therapy, immunotherapy, chemotherapy and/or radiation, for any malignancies within the past 2 years prior to registration.Patients with a prior or concurrent malignancy whose natural history or treatment does not have the potential to interfere with the safety or efficacy assessment of the investigational regimen are eligible for this trial. All patients with metastatic disease will be excluded
  • Participants may not be receiving any other investigational agents
  • History of allergic reactions attributed to tea or compounds of similar chemical or biologic composition to green tea extracts.

Key Trial Info

Start Date :

August 21 2020

Trial Type :

INTERVENTIONAL

Allocation :

ACTUAL

End Date :

February 27 2027

Estimated Enrollment :

115 Patients enrolled

Trial Details

Trial ID

NCT04300855

Start Date

August 21 2020

End Date

February 27 2027

Last Update

October 3 2025

Active Locations (2)

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Page 1 of 1 (2 locations)

1

Moffitt Cancer Center

Tampa, Florida, United States, 33612

2

University of Kansas Cancer Center

Westwood, Kansas, United States, 66205