NCT04597359

Brief Summary

This phase II trial studies how well green tea catechins work in preventing progression of prostate cancer from a low risk stage to higher risk stages in men who are on active surveillance. Green tea catechins may stabilize prostate cancer and lower the chance of prostate growing.

Trial Health

78
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
360

participants targeted

Target at P75+ for phase_2

Timeline
81mo left

Started Oct 2021

Longer than P75 for phase_2

Geographic Reach
3 countries

353 active sites

Status
active not recruiting

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

Study Progress41%
Oct 2021Dec 2032

First Submitted

Initial submission to the registry

October 14, 2020

Completed
8 days until next milestone

First Posted

Study publicly available on registry

October 22, 2020

Completed
12 months until next milestone

Study Start

First participant enrolled

October 5, 2021

Completed
11.2 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

December 31, 2032

Expected
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

December 31, 2032

Last Updated

May 5, 2026

Status Verified

April 1, 2026

Enrollment Period

11.2 years

First QC Date

October 14, 2020

Last Update Submit

April 30, 2026

Conditions

Outcome Measures

Primary Outcomes (1)

  • Change in the highest percent Ki-67 expression

    Measured in a core positive for tumor from baseline to highest percent (%) Ki-67 expression measured in a core positive for tumor in the end of study (EOS) biopsy. This change will be compared between green tea catechins (GTC) and placebo arms. The highest % Ki-67 expressions from baseline and EOS biopsies will be used to estimate the change. If the change is not normally distributed, non-parametric test such as Wilcoxon-rank sum test or two-sample normal score test will be used to compare the changes in percent Ki-67 levels between the GTC and placebo arms.

    Baseline to 6 months

Secondary Outcomes (9)

  • Apoptosis

    Up to 6 months

  • Apoptosis ratio

    Up to 6 months

  • Number of biopsy cores positive for cancer at end of study

    At 6 months

  • Percent of any biopsy tissue core positive for cancer at end of study

    At 6 months

  • Percent Ki-67

    Up to 6 months

  • +4 more secondary outcomes

Other Outcomes (8)

  • Compliance to study drug (standard pill counts)

    Up to 6 months

  • Compliance to study drug (diet records)

    Up to 6 months

  • Compliance to study drug (plasma concentrations of GTC)

    Up to 6 months

  • +5 more other outcomes

Study Arms (2)

Arm A (green tea catechins)

EXPERIMENTAL

Patients receive green tea catechins PO BID for up to 6 months in the absence of disease progression or unacceptable toxicity.

Other: Quality-of-Life AssessmentOther: Questionnaire AdministrationDrug: Sinecatechins

Arm B (placebo)

PLACEBO COMPARATOR

Patients receive placebo PO BID for up to 6 months.

Drug: Placebo AdministrationOther: Quality-of-Life AssessmentOther: Questionnaire Administration

Interventions

Given PO

Arm B (placebo)

Ancillary studies

Also known as: Quality of Life Assessment
Arm A (green tea catechins)Arm B (placebo)

Ancillary studies

Arm A (green tea catechins)Arm B (placebo)

Given PO

Also known as: Camellia sinensis Leaf Catechins, Kunecatechins, Polyphenon E, Polyphenon E TM, Veregen
Arm A (green tea catechins)

Eligibility Criteria

Age21 Years+
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • Patient must have biopsy-proven (consisting of \>= 12 tissue cores) adenocarcinoma of the prostate with cancer present in at least one biopsy core in the most recent biopsy using initial transrectal ultrasound (TRUS) biopsy or TRUS biopsy followed by multiparametric magnetic resonance imaging (mpMRI) of the prostate and a confirmatory targeted biopsy
  • Patient must be on active surveillance (very low, low and favorable intermediate risk as defined by the National Comprehensive Cancer Network \[NCCN\])
  • Patient must be scheduled for a follow up prostate biopsy 6 months after the initiation of treatment on this study
  • Patient must have a serum PSA \< 10 ng/mL or prostate specific antigen density (PSAD) \< 0.15 ng/mL/ g obtained within 30 days of registration
  • Patient must have an Eastern Cooperative Oncology Group (ECOG) performance status 0-1
  • Patient must be willing to abstain from consumption of any supplements containing green tea catechins
  • Patient must be willing to restrict tea consumption to less than three (3) servings of hot tea or three (3) servings of iced tea per week (serving size of 8 oz)
  • Patient must be willing to discontinue current vitamin/mineral supplement use and use one provided by study
  • Patient must be willing to take study agent or placebo at the dose specified with meals
  • Patient must have the ability to understand and the willingness to sign a written informed consent document
  • Absolute neutrophil count \>= 1,200/mm\^3 (\>= 1.2 k/uL) (obtained within 30 days prior to registration)
  • Platelets \>= 75,000/mm\^3 (\>= 75 k/uL) (obtained within 30 days prior to registration)
  • Total bilirubin =\< 1.2 mg/dL (or =\< 3.0 mg/dL for patients with Gilbert's syndrome) (obtained within 30 days prior to registration)
  • Aspartate aminotransferase (AST) (serum glutamic-oxaloacetic transaminase \[SGOT\])/alanine aminotransferase (ALT) (serum glutamate pyruvate transaminase \[SGPT\]) =\< 1.5 x upper limit of normal (ULN) (obtained within 30 days prior to registration)
  • Serum creatinine =\< 1.5 x ULN (obtained within 30 days prior to registration)
  • +8 more criteria

You may not qualify if:

  • Patient must not have had prior treatment for prostate cancer, including focal therapy, with surgery, irradiation, local ablative (i.e., cryosurgery or high-intensity focused ultrasound), or androgen deprivation therapy
  • Patient must not have a history of renal or hepatic disease, including history of hepatitis B and C
  • Patient must not have prostate cancer with distant metastases
  • Patient must not have undergone treatment of hormone therapy, immunotherapy, chemotherapy and/or radiation for any malignancies within the past 2 years. 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
  • Patient must not receive any other investigational agents while on this study
  • Patient must not have a history of allergic reactions attributed to tea or other compounds of similar chemical or biologic composition to green tea extracts

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (353)

Fairbanks Memorial Hospital

Fairbanks, Alaska, 99701, United States

Location

Cancer Center at Saint Joseph's

Phoenix, Arizona, 85004, United States

Location

Highlands Oncology Group - Fayetteville

Fayetteville, Arkansas, 72703, United States

Location

Mercy Hospital Fort Smith

Fort Smith, Arkansas, 72903, United States

Location

CHI Saint Vincent Cancer Center Hot Springs

Hot Springs, Arkansas, 71913, United States

Location

CARTI Cancer Center

Little Rock, Arkansas, 72205, United States

Location

Highlands Oncology Group - Rogers

Rogers, Arkansas, 72758, United States

Location

Highlands Oncology Group

Springdale, Arkansas, 72762, United States

Location

Mission Hope Medical Oncology - Arroyo Grande

Arroyo Grande, California, 93420, United States

Location

Marshall Cancer Center

Cameron Park, California, 95682, United States

Location

Mercy Cancer Center - Carmichael

Carmichael, California, 95608, United States

Location

Mercy San Juan Medical Center

Carmichael, California, 95608, United States

Location

Epic Care-Dublin

Dublin, California, 94568, United States

Location

Mercy Cancer Center - Elk Grove

Elk Grove, California, 95758, United States

Location

Bay Area Breast Surgeons Inc

Emeryville, California, 94608, United States

Location

Epic Care Partners in Cancer Care

Emeryville, California, 94608, United States

Location

UC San Diego Health System - Encinitas

Encinitas, California, 92024, United States

Location

UC San Diego Moores Cancer Center

La Jolla, California, 92093, United States

Location

Contra Costa Regional Medical Center

Martinez, California, 94553-3156, United States

Location

Mercy Cancer Center

Merced, California, 95340, United States

Location

Alta Bates Summit Medical Center - Summit Campus

Oakland, California, 94609, United States

Location

Bay Area Tumor Institute

Oakland, California, 94609, United States

Location

Marshall Hospital

Placerville, California, 95667, United States

Location

Mercy Cancer Center - Rocklin

Rocklin, California, 95765, United States

Location

Mercy Cancer Center - Sacramento

Sacramento, California, 95816, United States

Location

UC San Diego Medical Center - Hillcrest

San Diego, California, 92103, United States

Location

Pacific Central Coast Health Center-San Luis Obispo

San Luis Obispo, California, 93401, United States

Location

UCSF Cancer Center - San Mateo

San Mateo, California, 94402, United States

Location

Mission Hope Medical Oncology - Santa Maria

Santa Maria, California, 93444, United States

Location

Epic Care Cyberknife Center

Walnut Creek, California, 94597, United States

Location

BASS Medical Group - Lennon

Walnut Creek, California, 94598, United States

Location

Woodland Memorial Hospital

Woodland, California, 95695, United States

Location

Rocky Mountain Cancer Centers-Aurora

Aurora, Colorado, 80012, United States

Location

Rocky Mountain Regional VA Medical Center

Aurora, Colorado, 80045, United States

Location

UCHealth University of Colorado Hospital

Aurora, Colorado, 80045, United States

Location

Boulder Community Foothills Hospital

Boulder, Colorado, 80303, United States

Location

Rocky Mountain Cancer Centers-Boulder

Boulder, Colorado, 80304, United States

Location

Rocky Mountain Cancer Centers - Centennial

Centennial, Colorado, 80112, United States

Location

Penrose-Saint Francis Healthcare

Colorado Springs, Colorado, 80907, United States

Location

Rocky Mountain Cancer Centers-Penrose

Colorado Springs, Colorado, 80907, United States

Location

Saint Francis Cancer Center

Colorado Springs, Colorado, 80923, United States

Location

UCHealth - Cherry Creek

Denver, Colorado, 80206, United States

Location

The Women's Imaging Center

Denver, Colorado, 80209, United States

Location

Porter Adventist Hospital

Denver, Colorado, 80210, United States

Location

Colorado Blood Cancer Institute

Denver, Colorado, 80218, United States

Location

Presbyterian - Saint Lukes Medical Center - Health One

Denver, Colorado, 80218, United States

Location

Rocky Mountain Cancer Centers-Midtown

Denver, Colorado, 80218, United States

Location

Rocky Mountain Cancer Centers-Rose

Denver, Colorado, 80220, United States

Location

Rose Medical Center

Denver, Colorado, 80220, United States

Location

Mercy Medical Center

Durango, Colorado, 81301, United States

Location

Southwest Oncology PC

Durango, Colorado, 81301, United States

Location

Mountain Blue Cancer Care Center - Swedish

Englewood, Colorado, 80113, United States

Location

Rocky Mountain Cancer Centers - Swedish

Englewood, Colorado, 80113, United States

Location

Swedish Medical Center

Englewood, Colorado, 80113, United States

Location

The Melanoma and Skin Cancer Institute

Englewood, Colorado, 80113, United States

Location

Poudre Valley Hospital

Fort Collins, Colorado, 80524, United States

Location

Cancer Care and Hematology-Fort Collins

Fort Collins, Colorado, 80528, United States

Location

UCHealth Greeley Hospital

Greeley, Colorado, 80631, United States

Location

UCHealth Highlands Ranch Hospital

Highlands Ranch, Colorado, 80129, United States

Location

Rocky Mountain Cancer Centers-Lakewood

Lakewood, Colorado, 80228, United States

Location

Saint Anthony Hospital

Lakewood, Colorado, 80228, United States

Location

Rocky Mountain Cancer Centers-Littleton

Littleton, Colorado, 80120, United States

Location

Littleton Adventist Hospital

Littleton, Colorado, 80122, United States

Location

Rocky Mountain Cancer Centers-Sky Ridge

Lone Tree, Colorado, 80124, United States

Location

Longmont United Hospital

Longmont, Colorado, 80501, United States

Location

Rocky Mountain Cancer Centers-Longmont

Longmont, Colorado, 80501, United States

Location

Medical Center of the Rockies

Loveland, Colorado, 80538, United States

Location

Parker Adventist Hospital

Parker, Colorado, 80138, United States

Location

Saint Mary Corwin Medical Center

Pueblo, Colorado, 81004, United States

Location

Rocky Mountain Cancer Centers-Thornton

Thornton, Colorado, 80260, United States

Location

MedStar Washington Hospital Center

Washington D.C., District of Columbia, 20010, United States

Location

Mount Sinai Comprehensive Cancer Center at Aventura

Aventura, Florida, 33180, United States

Location

Holy Cross Hospital

Fort Lauderdale, Florida, 33308, United States

Location

Mount Sinai Medical Center

Miami Beach, Florida, 33140, United States

Location

Hawaii Cancer Care Inc - Waterfront Plaza

Honolulu, Hawaii, 96813, United States

Location

Queen's Cancer Cenrer - POB I

Honolulu, Hawaii, 96813, United States

Location

Queen's Medical Center

Honolulu, Hawaii, 96813, United States

Location

Straub Clinic and Hospital

Honolulu, Hawaii, 96813, United States

Location

University of Hawaii Cancer Center

Honolulu, Hawaii, 96813, United States

Location

Hawaii Cancer Care Inc-Liliha

Honolulu, Hawaii, 96817, United States

Location

Hawaii Diagnostic Radiology Services LLC

Honolulu, Hawaii, 96817, United States

Location

Kuakini Medical Center

Honolulu, Hawaii, 96817, United States

Location

Queen's Cancer Center - Kuakini

Honolulu, Hawaii, 96817, United States

Location

The Cancer Center of Hawaii-Liliha

Honolulu, Hawaii, 96817, United States

Location

Kapiolani Medical Center for Women and Children

Honolulu, Hawaii, 96826, United States

Location

Straub Medical Center - Kahului Clinic

Kahului, Hawaii, 96732, United States

Location

Castle Medical Center

Kailua, Hawaii, 96734, United States

Location

Wilcox Memorial Hospital and Kauai Medical Clinic

Lihue, Hawaii, 96766, United States

Location

Hawaii Cancer Care - Westridge

‘Aiea, Hawaii, 96701, United States

Location

Pali Momi Medical Center

‘Aiea, Hawaii, 96701, United States

Location

Queen's Cancer Center - Pearlridge

‘Aiea, Hawaii, 96701, United States

Location

Straub Pearlridge Clinic

‘Aiea, Hawaii, 96701, United States

Location

The Cancer Center of Hawaii-Pali Momi

‘Aiea, Hawaii, 96701, United States

Location

The Queen's Medical Center - West Oahu

‘Ewa Beach, Hawaii, 96706, United States

Location

Saint Anthony's Health

Alton, Illinois, 62002, United States

Location

Rush - Copley Medical Center

Aurora, Illinois, 60504, United States

Location

Illinois CancerCare-Bloomington

Bloomington, Illinois, 61704, United States

Location

Illinois CancerCare-Canton

Canton, Illinois, 61520, United States

Location

Memorial Hospital of Carbondale

Carbondale, Illinois, 62902, United States

Location

SIH Cancer Institute

Carterville, Illinois, 62918, United States

Location

Illinois CancerCare-Carthage

Carthage, Illinois, 62321, United States

Location

Centralia Oncology Clinic

Centralia, Illinois, 62801, United States

Location

Saint Mary's Hospital

Centralia, Illinois, 62801, United States

Location

John H Stroger Jr Hospital of Cook County

Chicago, Illinois, 60612, United States

Location

Carle at The Riverfront

Danville, Illinois, 61832, United States

Location

Cancer Care Specialists of Illinois - Decatur

Decatur, Illinois, 62526, United States

Location

Decatur Memorial Hospital

Decatur, Illinois, 62526, United States

Location

Illinois CancerCare-Dixon

Dixon, Illinois, 61021, United States

Location

Carle Physician Group-Effingham

Effingham, Illinois, 62401, United States

Location

Crossroads Cancer Center

Effingham, Illinois, 62401, United States

Location

Illinois CancerCare-Eureka

Eureka, Illinois, 61530, United States

Location

Illinois CancerCare-Galesburg

Galesburg, Illinois, 61401, United States

Location

Western Illinois Cancer Treatment Center

Galesburg, Illinois, 61401, United States

Location

Ingalls Memorial Hospital

Harvey, Illinois, 60426, United States

Location

Illinois CancerCare-Kewanee Clinic

Kewanee, Illinois, 61443, United States

Location

Illinois CancerCare-Macomb

Macomb, Illinois, 61455, United States

Location

Carle Physician Group-Mattoon/Charleston

Mattoon, Illinois, 61938, United States

Location

Good Samaritan Regional Health Center

Mount Vernon, Illinois, 62864, United States

Location

Cancer Care Center of O'Fallon

O'Fallon, Illinois, 62269, United States

Location

HSHS Saint Elizabeth's Hospital

O'Fallon, Illinois, 62269, United States

Location

Illinois CancerCare-Ottawa Clinic

Ottawa, Illinois, 61350, United States

Location

Illinois CancerCare-Pekin

Pekin, Illinois, 61554, United States

Location

Illinois CancerCare-Peoria

Peoria, Illinois, 61615, United States

Location

Methodist Medical Center of Illinois

Peoria, Illinois, 61636, United States

Location

Illinois CancerCare-Peru

Peru, Illinois, 61354, United States

Location

Valley Radiation Oncology

Peru, Illinois, 61354, United States

Location

Illinois CancerCare-Princeton

Princeton, Illinois, 61356, United States

Location

Southern Illinois University School of Medicine

Springfield, Illinois, 62702, United States

Location

Springfield Clinic

Springfield, Illinois, 62702, United States

Location

Memorial Medical Center

Springfield, Illinois, 62781, United States

Location

Carle Cancer Center

Urbana, Illinois, 61801, United States

Location

The Carle Foundation Hospital

Urbana, Illinois, 61801, United States

Location

Illinois CancerCare - Washington

Washington, Illinois, 61571, United States

Location

Rush-Copley Healthcare Center

Yorkville, Illinois, 60560, United States

Location

Reid Health

Richmond, Indiana, 47374, United States

Location

Mary Greeley Medical Center

Ames, Iowa, 50010, United States

Location

McFarland Clinic - Ames

Ames, Iowa, 50010, United States

Location

Mission Cancer and Blood - Ankeny

Ankeny, Iowa, 50023, United States

Location

McFarland Clinic - Boone

Boone, Iowa, 50036, United States

Location

Saint Anthony Regional Hospital

Carroll, Iowa, 51401, United States

Location

Mercy Cancer Center-West Lakes

Clive, Iowa, 50325, United States

Location

Mission Cancer and Blood - West Des Moines

Clive, Iowa, 50325, United States

Location

Alegent Health Mercy Hospital

Council Bluffs, Iowa, 51503, United States

Location

Greater Regional Medical Center

Creston, Iowa, 50801, United States

Location

Iowa Methodist Medical Center

Des Moines, Iowa, 50309, United States

Location

Mission Cancer and Blood - Des Moines

Des Moines, Iowa, 50309, United States

Location

Broadlawns Medical Center

Des Moines, Iowa, 50314, United States

Location

Mercy Medical Center - Des Moines

Des Moines, Iowa, 50314, United States

Location

Mission Cancer and Blood - Laurel

Des Moines, Iowa, 50314, United States

Location

Iowa Lutheran Hospital

Des Moines, Iowa, 50316, United States

Location

McFarland Clinic - Trinity Cancer Center

Fort Dodge, Iowa, 50501, United States

Location

Trinity Regional Medical Center

Fort Dodge, Iowa, 50501, United States

Location

McFarland Clinic - Jefferson

Jefferson, Iowa, 50129, United States

Location

McFarland Clinic - Marshalltown

Marshalltown, Iowa, 50158, United States

Location

Methodist West Hospital

West Des Moines, Iowa, 50266-7700, United States

Location

Mercy Medical Center-West Lakes

West Des Moines, Iowa, 50266, United States

Location

Central Care Cancer Center - Garden City

Garden City, Kansas, 67846, United States

Location

Central Care Cancer Center - Great Bend

Great Bend, Kansas, 67530, United States

Location

Flaget Memorial Hospital

Bardstown, Kentucky, 40004, United States

Location

Commonwealth Cancer Center-Corbin

Corbin, Kentucky, 40701, United States

Location

Saint Joseph Hospital

Lexington, Kentucky, 40504, United States

Location

Saint Joseph Radiation Oncology Resource Center

Lexington, Kentucky, 40504, United States

Location

Saint Joseph Hospital East

Lexington, Kentucky, 40509, United States

Location

Saint Joseph London

London, Kentucky, 40741, United States

Location

Jewish Hospital

Louisville, Kentucky, 40202, United States

Location

Saints Mary and Elizabeth Hospital

Louisville, Kentucky, 40215, United States

Location

UofL Health Medical Center Northeast

Louisville, Kentucky, 40245, United States

Location

Saint Joseph Mount Sterling

Mount Sterling, Kentucky, 40353, United States

Location

Mercy Health - Paducah Medical Oncology and Hematology

Paducah, Kentucky, 42003, United States

Location

Jewish Hospital Medical Center South

Shepherdsville, Kentucky, 40165, United States

Location

Maine Medical Partners Urology

South Portland, Maine, 04106, United States

Location

Hickman Cancer Center

Adrian, Michigan, 49221, United States

Location

Trinity Health Saint Joseph Mercy Hospital Ann Arbor

Ann Arbor, Michigan, 48106, United States

Location

Trinity Health IHA Medical Group Hematology Oncology - Brighton

Brighton, Michigan, 48114, United States

Location

Trinity Health Medical Center - Brighton

Brighton, Michigan, 48114, United States

Location

Trinity Health IHA Medical Group Hematology Oncology - Canton

Canton, Michigan, 48188, United States

Location

Trinity Health Medical Center - Canton

Canton, Michigan, 48188, United States

Location

Caro Cancer Center

Caro, Michigan, 48723, United States

Location

Chelsea Hospital

Chelsea, Michigan, 48118, United States

Location

Trinity Health IHA Medical Group Hematology Oncology - Chelsea Hospital

Chelsea, Michigan, 48118, United States

Location

Hematology Oncology Consultants-Clarkston

Clarkston, Michigan, 48346, United States

Location

Newland Medical Associates-Clarkston

Clarkston, Michigan, 48346, United States

Location

Ascension Saint John Hospital

Detroit, Michigan, 48236, United States

Location

Great Lakes Cancer Management Specialists-Doctors Park

East China, Michigan, 48054, United States

Location

Genesee Cancer and Blood Disease Treatment Center

Flint, Michigan, 48503, United States

Location

Genesee Hematology Oncology PC

Flint, Michigan, 48503, United States

Location

Genesys Hurley Cancer Institute

Flint, Michigan, 48503, United States

Location

Hurley Medical Center

Flint, Michigan, 48503, United States

Location

Academic Hematology Oncology Specialists

Grosse Pointe Woods, Michigan, 48236, United States

Location

Great Lakes Cancer Management Specialists-Van Elslander Cancer Center

Grosse Pointe Woods, Michigan, 48236, United States

Location

Michigan Breast Specialists-Grosse Pointe Woods

Grosse Pointe Woods, Michigan, 48236, United States

Location

University of Michigan Health - Sparrow Lansing

Lansing, Michigan, 48912, United States

Location

Hope Cancer Clinic

Livonia, Michigan, 48154, United States

Location

Trinity Health Saint Mary Mercy Livonia Hospital

Livonia, Michigan, 48154, United States

Location

Great Lakes Cancer Management Specialists-Macomb Medical Campus

Macomb, Michigan, 48044, United States

Location

Michigan Breast Specialists-Macomb Township

Macomb, Michigan, 48044, United States

Location

Saint Mary's Oncology/Hematology Associates of Marlette

Marlette, Michigan, 48453, United States

Location

Toledo Clinic Cancer Centers-Monroe

Monroe, Michigan, 48162, United States

Location

Hope Cancer Center

Pontiac, Michigan, 48341, United States

Location

Michigan Healthcare Professionals Pontiac

Pontiac, Michigan, 48341, United States

Location

Newland Medical Associates-Pontiac

Pontiac, Michigan, 48341, United States

Location

Trinity Health Saint Joseph Mercy Oakland Hospital

Pontiac, Michigan, 48341, United States

Location

Ascension Saint Mary's Hospital

Saginaw, Michigan, 48601, United States

Location

Oncology Hematology Associates of Saginaw Valley PC

Saginaw, Michigan, 48604, United States

Location

Bhadresh Nayak MD PC-Sterling Heights

Sterling Heights, Michigan, 48312, United States

Location

Ascension Saint Joseph Hospital

Tawas City, Michigan, 48764, United States

Location

Advanced Breast Care Center PLLC

Warren, Michigan, 48088, United States

Location

Great Lakes Cancer Management Specialists-Macomb Professional Building

Warren, Michigan, 48093, United States

Location

Macomb Hematology Oncology PC

Warren, Michigan, 48093, United States

Location

Michigan Breast Specialists-Warren

Warren, Michigan, 48093, United States

Location

Saint John Macomb-Oakland Hospital

Warren, Michigan, 48093, United States

Location

Saint Mary's Oncology/Hematology Associates of West Branch

West Branch, Michigan, 48661, United States

Location

Huron Gastroenterology PC

Ypsilanti, Michigan, 48106, United States

Location

Trinity Health IHA Medical Group Hematology Oncology Ann Arbor Campus

Ypsilanti, Michigan, 48197, United States

Location

Fairview Ridges Hospital

Burnsville, Minnesota, 55337, United States

Location

Minnesota Oncology - Burnsville

Burnsville, Minnesota, 55337, United States

Location

Cambridge Medical Center

Cambridge, Minnesota, 55008, United States

Location

Mercy Hospital

Coon Rapids, Minnesota, 55433, United States

Location

Fairview Southdale Hospital

Edina, Minnesota, 55435, United States

Location

Unity Hospital

Fridley, Minnesota, 55432, United States

Location

Fairview Clinics and Surgery Center Maple Grove

Maple Grove, Minnesota, 55369, United States

Location

Minnesota Oncology Hematology PA-Maplewood

Maplewood, Minnesota, 55109, United States

Location

Saint John's Hospital - Healtheast

Maplewood, Minnesota, 55109, United States

Location

Abbott-Northwestern Hospital

Minneapolis, Minnesota, 55407, United States

Location

Hennepin County Medical Center

Minneapolis, Minnesota, 55415, United States

Location

Health Partners Inc

Minneapolis, Minnesota, 55454, United States

Location

Monticello Cancer Center

Monticello, Minnesota, 55362, United States

Location

New Ulm Medical Center

New Ulm, Minnesota, 56073, United States

Location

Fairview Northland Medical Center

Princeton, Minnesota, 55371, United States

Location

North Memorial Medical Health Center

Robbinsdale, Minnesota, 55422, United States

Location

Park Nicollet Clinic - Saint Louis Park

Saint Louis Park, Minnesota, 55416, United States

Location

Regions Hospital

Saint Paul, Minnesota, 55101, United States

Location

United Hospital

Saint Paul, Minnesota, 55102, United States

Location

Saint Francis Regional Medical Center

Shakopee, Minnesota, 55379, United States

Location

Lakeview Hospital

Stillwater, Minnesota, 55082, United States

Location

Ridgeview Medical Center

Waconia, Minnesota, 55387, United States

Location

Rice Memorial Hospital

Willmar, Minnesota, 56201, United States

Location

Minnesota Oncology Hematology PA-Woodbury

Woodbury, Minnesota, 55125, United States

Location

Fairview Lakes Medical Center

Wyoming, Minnesota, 55092, United States

Location

Saint Louis Cancer and Breast Institute-Ballwin

Ballwin, Missouri, 63011, United States

Location

Central Care Cancer Center - Bolivar

Bolivar, Missouri, 65613, United States

Location

Cox Cancer Center Branson

Branson, Missouri, 65616, United States

Location

Saint Francis Medical Center

Cape Girardeau, Missouri, 63703, United States

Location

Southeast Cancer Center

Cape Girardeau, Missouri, 63703, United States

Location

Parkland Health Center - Farmington

Farmington, Missouri, 63640, United States

Location

MU Health Care Goldschmidt Cancer Center

Jefferson City, Missouri, 65109, United States

Location

Freeman Health System

Joplin, Missouri, 64804, United States

Location

Mercy Hospital Joplin

Joplin, Missouri, 64804, United States

Location

Lake Regional Hospital

Osage Beach, Missouri, 65065, United States

Location

Delbert Day Cancer Institute at PCRMC

Rolla, Missouri, 65401, United States

Location

Mercy Clinic-Rolla-Cancer and Hematology

Rolla, Missouri, 65401, United States

Location

Heartland Regional Medical Center

Saint Joseph, Missouri, 64506, United States

Location

Sainte Genevieve County Memorial Hospital

Sainte Genevieve, Missouri, 63670, United States

Location

Mercy Hospital Springfield

Springfield, Missouri, 65804, United States

Location

CoxHealth South Hospital

Springfield, Missouri, 65807, United States

Location

Saint Louis Cancer and Breast Institute-South City

St Louis, Missouri, 63109, United States

Location

Mercy Hospital South

St Louis, Missouri, 63128, United States

Location

Missouri Baptist Medical Center

St Louis, Missouri, 63131, United States

Location

Mercy Hospital Saint Louis

St Louis, Missouri, 63141, United States

Location

Missouri Baptist Sullivan Hospital

Sullivan, Missouri, 63080, United States

Location

BJC Outpatient Center at Sunset Hills

Sunset Hills, Missouri, 63127, United States

Location

Mercy Hospital Washington

Washington, Missouri, 63090, United States

Location

Nebraska Cancer Specialists/Oncology Hematology West PC

Grand Island, Nebraska, 68803, United States

Location

CHI Health Good Samaritan

Kearney, Nebraska, 68847, United States

Location

Saint Elizabeth Regional Medical Center

Lincoln, Nebraska, 68510, United States

Location

Alegent Health Immanuel Medical Center

Omaha, Nebraska, 68122, United States

Location

Alegent Health Bergan Mercy Medical Center

Omaha, Nebraska, 68124, United States

Location

Alegent Health Lakeside Hospital

Omaha, Nebraska, 68130, United States

Location

Creighton University Medical Center

Omaha, Nebraska, 68131, United States

Location

Midlands Community Hospital

Papillion, Nebraska, 68046, United States

Location

New Hampshire Oncology Hematology PA-Concord

Concord, New Hampshire, 03301, United States

Location

Solinsky Center for Cancer Care

Manchester, New Hampshire, 03103, United States

Location

Hackensack University Medical Center

Hackensack, New Jersey, 07601, United States

Location

Saint Peter's University Hospital

New Brunswick, New Jersey, 08901, United States

Location

University of New Mexico Cancer Center

Albuquerque, New Mexico, 87106, United States

Location

Elmhurst Hospital Center

Elmhurst, New York, 11373, United States

Location

Queens Hospital Center

Jamaica, New York, 11432, United States

Location

James J Peters VA Medical Center

The Bronx, New York, 10468, United States

Location

UNC Lineberger Comprehensive Cancer Center

Chapel Hill, North Carolina, 27599, United States

Location

Outer Banks Hospital

Nags Head, North Carolina, 27959, United States

Location

Indu and Raj Soin Medical Center

Beavercreek, Ohio, 45431, United States

Location

Saint Elizabeth Boardman Hospital

Boardman, Ohio, 44512, United States

Location

Dayton Physicians LLC-Miami Valley South

Centerville, Ohio, 45459, United States

Location

Miami Valley Hospital South

Centerville, Ohio, 45459, United States

Location

Good Samaritan Hospital - Cincinnati

Cincinnati, Ohio, 45220, United States

Location

Oncology Hematology Care Inc-Kenwood

Cincinnati, Ohio, 45236, United States

Location

Bethesda North Hospital

Cincinnati, Ohio, 45242, United States

Location

TriHealth Cancer Institute-Westside

Cincinnati, Ohio, 45247, United States

Location

TriHealth Cancer Institute-Anderson

Cincinnati, Ohio, 45255, United States

Location

Miami Valley Hospital

Dayton, Ohio, 45409, United States

Location

Dayton Physician LLC - Englewood

Dayton, Ohio, 45415, United States

Location

Miami Valley Hospital North

Dayton, Ohio, 45415, United States

Location

Armes Family Cancer Center

Findlay, Ohio, 45840, United States

Location

Blanchard Valley Hospital

Findlay, Ohio, 45840, United States

Location

Orion Cancer Care

Findlay, Ohio, 45840, United States

Location

Atrium Medical Center-Middletown Regional Hospital

Franklin, Ohio, 45005-1066, United States

Location

Dayton Physicians LLC-Atrium

Franklin, Ohio, 45005, United States

Location

Dayton Physicians LLC-Wayne

Greenville, Ohio, 45331, United States

Location

Wayne Hospital

Greenville, Ohio, 45331, United States

Location

Greater Dayton Cancer Center

Kettering, Ohio, 45409, United States

Location

Kettering Medical Center

Kettering, Ohio, 45429, United States

Location

Toledo Clinic Cancer Centers-Maumee

Maumee, Ohio, 43537, United States

Location

Springfield Regional Cancer Center

Springfield, Ohio, 45504, United States

Location

Springfield Regional Medical Center

Springfield, Ohio, 45504, United States

Location

Mercy Health - Saint Anne Hospital

Toledo, Ohio, 43623, United States

Location

Toledo Clinic Cancer Centers-Toledo

Toledo, Ohio, 43623, United States

Location

Dayton Physicians LLC - Troy

Troy, Ohio, 45373, United States

Location

Upper Valley Medical Center

Troy, Ohio, 45373, United States

Location

Saint Joseph Warren Hospital

Warren, Ohio, 44484, United States

Location

Saint Elizabeth Youngstown Hospital

Youngstown, Ohio, 44501, United States

Location

University of Oklahoma Health Sciences Center

Oklahoma City, Oklahoma, 73104, United States

Location

Mercy Hospital Oklahoma City

Oklahoma City, Oklahoma, 73120, United States

Location

Oregon Health and Science University

Portland, Oregon, 97239, United States

Location

Portland VA Medical Center

Portland, Oregon, 97239, United States

Location

Lehigh Valley Hospital-Cedar Crest

Allentown, Pennsylvania, 18103, United States

Location

Lehigh Valley Hospital - Muhlenberg

Bethlehem, Pennsylvania, 18017, United States

Location

Pocono Medical Center

East Stroudsburg, Pennsylvania, 18301, United States

Location

Lehigh Valley Hospital-Hazleton

Hazleton, Pennsylvania, 18201, United States

Location

Thomas Jefferson University Hospital

Philadelphia, Pennsylvania, 19107, United States

Location

Reading Hospital

West Reading, Pennsylvania, 19611, United States

Location

Ralph H Johnson VA Medical Center

Charleston, South Carolina, 29401, United States

Location

Medical University of South Carolina

Charleston, South Carolina, 29425, United States

Location

Lexington Medical Center

West Columbia, South Carolina, 29169, United States

Location

Saint Joseph Regional Cancer Center

Bryan, Texas, 77802, United States

Location

Audie L Murphy VA Hospital

San Antonio, Texas, 78229, United States

Location

University of Texas Health Science Center at San Antonio

San Antonio, Texas, 78229, United States

Location

Inova Alexandria Hospital

Alexandria, Virginia, 22304, United States

Location

Chesapeake Regional Medical Center

Chesapeake, Virginia, 23320, United States

Location

Inova Schar Cancer Institute

Fairfax, Virginia, 22031, United States

Location

Inova Fair Oaks Hospital

Fairfax, Virginia, 22033, United States

Location

Inova Fairfax Hospital

Falls Church, Virginia, 22042, United States

Location

Sovah Health Martinsville

Martinsville, Virginia, 24112, United States

Location

VCU Massey Cancer Center at Stony Point

Richmond, Virginia, 23235, United States

Location

Virginia Commonwealth University/Massey Cancer Center

Richmond, Virginia, 23298, United States

Location

Highline Medical Center-Main Campus

Burien, Washington, 98166, United States

Location

Saint Elizabeth Hospital

Enumclaw, Washington, 98022, United States

Location

Saint Francis Hospital

Federal Way, Washington, 98003, United States

Location

Saint Clare Hospital

Lakewood, Washington, 98499, United States

Location

Jefferson Healthcare

Port Townsend, Washington, 98368, United States

Location

Saint Michael Cancer Center

Silverdale, Washington, 98383, United States

Location

Franciscan Research Center-Northwest Medical Plaza

Tacoma, Washington, 98405, United States

Location

Saint Vincent Hospital Cancer Center Green Bay

Green Bay, Wisconsin, 54301, United States

Location

Saint Vincent Hospital Cancer Center at Saint Mary's

Green Bay, Wisconsin, 54303, United States

Location

Cancer Center of Western Wisconsin

New Richmond, Wisconsin, 54017, United States

Location

Cheyenne Regional Medical Center-West

Cheyenne, Wyoming, 82001, United States

Location

FHP Health Center-Guam

Tamuning, 96913, Guam

Location

Cancer Center-Metro Medical Center Bayamon

Bayamón, 00959-5060, Puerto Rico

Location

Puerto Rico Hematology Oncology Group

Bayamón, 00961, Puerto Rico

Location

Doctors Cancer Center

Manati, 00674, Puerto Rico

Location

San Juan Community Oncology Group

San Juan, 00917, Puerto Rico

Location

Centro Comprensivo de Cancer de UPR

San Juan, 00927, Puerto Rico

Location

PROncology

San Juan, 00927, Puerto Rico

Location

San Juan City Hospital

San Juan, 00936, Puerto Rico

Location

MeSH Terms

Conditions

Prostatic Neoplasms

Interventions

green tea extract polyphenone Epolyphenon E

Condition Hierarchy (Ancestors)

Genital Neoplasms, MaleUrogenital NeoplasmsNeoplasms by SiteNeoplasmsGenital Diseases, MaleGenital DiseasesUrogenital DiseasesProstatic DiseasesMale Urogenital Diseases

Study Officials

  • Nagi B Kumar

    ECOG-ACRIN Cancer Research Group

    PRINCIPAL INVESTIGATOR

Study Design

Study Type
interventional
Phase
phase 2
Allocation
RANDOMIZED
Masking
DOUBLE
Who Masked
PARTICIPANT, INVESTIGATOR
Purpose
PREVENTION
Intervention Model
PARALLEL
Sponsor Type
NETWORK
Responsible Party
SPONSOR

Study Record Dates

First Submitted

October 14, 2020

First Posted

October 22, 2020

Study Start

October 5, 2021

Primary Completion (Estimated)

December 31, 2032

Study Completion (Estimated)

December 31, 2032

Last Updated

May 5, 2026

Record last verified: 2026-04

Locations