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ClinicalTrials.gov public records Last synced Oct 22, 2026, 2:33 PM EDT

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Showing 1–24 of 93 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: Control: Tea Clear all
Completed Not applicable Interventional

Role of Home-Based Transcutaneous Electrical Acustimulation for Treatment of Pain in Subjects With Chronic Pancreatitis

NCT06721572
View directory record Official record
Conditions
Chronic Pancreatitis, Pancreatitis
Interventions
TEA
Device
Lead sponsor
University of Michigan
Other
Eligibility
18 Years and older
Enrollment
42 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Mar 6, 2026 · Synced Oct 22, 2026, 2:33 PM EDT
Completed Phase 3 Interventional Results available

Thoracic Epidural Analgesia Versus Rectus Sheath Block Versus Surgeon Infiltration With Liposomal Bupivacaine or Standard Bupivacaine for Post-Operative Pain Control After Cystectomy

NCT04300231
View directory record Official record
Conditions
Cystectomy
Interventions
epidural bupivacaine 0.05%, Liposomal bupivacaine, bupivacaine 0.125%, bupivacaine 0.5%, /hydromorphone 0.05mg/ml, injectable saline
Drug
Lead sponsor
Indiana University
Other
Eligibility
18 Years and older
Enrollment
160 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2021
U.S. locations
1
States / cities
Indianapolis, Indiana
Source: ClinicalTrials.gov public record
Updated Feb 10, 2025 · Synced Oct 22, 2026, 2:33 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Middle School Cluster Randomized Controlled Trial (RCT) to Evaluate E-Cigarette Prevention Program: CATCH My Breath

NCT04843501
View directory record Official record
Conditions
E-cigarette Use
Interventions
CATCH My Breath (CMB) program for E-cigarette prevention among adolescents, Texas Education Agency (TEA) required tobacco prevention program
Behavioral
Lead sponsor
The University of Texas Health Science Center, Houston
Other
Eligibility
10 Years to 15 Years
Enrollment
2,059 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2024
U.S. locations
1
States / cities
Austin, Texas
Source: ClinicalTrials.gov public record
Updated Feb 6, 2026 · Synced Oct 22, 2026, 2:33 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Fish Oil and Green Tea Extract in Preventing Prostate Cancer in Patients Who Are at Risk for Developing Prostate Cancer

NCT00253643
View directory record Official record
Conditions
Precancerous Condition, Prostate Cancer
Interventions
green tea catechin extract, fish oil, placebo
Dietary Supplement · Other
Lead sponsor
OHSU Knight Cancer Institute
Other
Eligibility
21 Years to 120 Years · Male only
Enrollment
89 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2005 – 2013
U.S. locations
3
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Apr 18, 2017 · Synced Oct 22, 2026, 2:33 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Green Tea Confections For Managing Postprandial Hyperglycemia-Induced Vascular Endothelial Dysfunction

NCT01857258
View directory record Official record
Conditions
Hyperglycemia, Cardiovascular Disease
Interventions
Green Tea Concentrate
Dietary Supplement
Lead sponsor
Ohio State University
Other
Eligibility
18 Years to 30 Years · Male only
Enrollment
15 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2016
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Feb 16, 2017 · Synced Oct 22, 2026, 2:33 PM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Green Tea and Reduction of Breast Cancer Risk

NCT00917735
View directory record Official record
Conditions
Breast Cancer
Interventions
Green tea extract supplement, Placebo
Drug · Other
Lead sponsor
University of Minnesota
Other
Eligibility
50 Years to 70 Years · Female only
Enrollment
1,075 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2014
U.S. locations
5
States / cities
Edina, Minnesota • Maple Grove, Minnesota • Minneapolis, Minnesota + 2 more
Source: ClinicalTrials.gov public record
Updated Feb 22, 2016 · Synced Oct 22, 2026, 2:33 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Efficacy of a Tea Catechin Sports Drink for Enhancing Exercise-Induced Fat Loss

NCT00692731
View directory record Official record
Conditions
Overweight, Obesity
Interventions
500 mL/day of a beverage providing approximately 625 mg catechins, Control beverage matched for energy and caffeine content
Dietary Supplement · Other
Lead sponsor
Provident Clinical Research
Other
Eligibility
21 Years to 65 Years
Enrollment
132 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2007
U.S. locations
2
States / cities
St. Petersburg, Florida • Bloomington, Indiana
Source: ClinicalTrials.gov public record
Updated Jun 6, 2008 · Synced Oct 22, 2026, 2:33 PM EDT
Withdrawn Phase 2 Interventional

Safety and Brain Protection Effects of the Green Tea Extract Theaphenon 95% (95% Pure EGCG) in Multiple Sclerosis

NCT02011451
View directory record Official record
Conditions
Multiple Sclerosis
Interventions
95% Pure ECGC capsules 200mg, Placebo Comparator:
Drug
Lead sponsor
Louisiana State University Health Sciences Center in New Orleans
Other
Eligibility
18 Years to 65 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2015 – 2017
U.S. locations
1
States / cities
New Orleans, Louisiana
Source: ClinicalTrials.gov public record
Updated Sep 26, 2016 · Synced Oct 22, 2026, 2:33 PM EDT
Completed Not applicable Interventional

Paravertebral Catheters for Pancreatic Surgery

NCT02363777
View directory record Official record
Conditions
Acute Pain
Interventions
Epidural, Paravertebral catheters
Procedure
Lead sponsor
University of Minnesota
Other
Eligibility
18 Years to 85 Years
Enrollment
50 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2016
U.S. locations
1
States / cities
Minneapolis, Minnesota
Source: ClinicalTrials.gov public record
Updated Aug 31, 2017 · Synced Oct 22, 2026, 2:33 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Transcutaneous Electroacupuncture for Gastric Complications of Scleroderma

NCT03294616
View directory record Official record
Conditions
Scleroderma, Gastroparesis
Interventions
transcutaneous electroacupuncture
Device
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years and older
Enrollment
23 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2019
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Nov 26, 2019 · Synced Oct 22, 2026, 2:33 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Vascular Inflammation and Anti-inflammatory Supplements After Adverse Pregnancy Outcomes

NCT04633551
View directory record Official record
Conditions
Pre-Eclampsia, Pre-Term, Intrauterine Growth Restriction, Hypertension in Pregnancy
Interventions
Anti-inflammatory supplement
Dietary Supplement
Lead sponsor
University of South Carolina
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
9 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2020 – 2022
U.S. locations
1
States / cities
Columbia, South Carolina
Source: ClinicalTrials.gov public record
Updated Sep 21, 2023 · Synced Oct 22, 2026, 2:33 PM EDT
Recruiting Not applicable Interventional

Effects of Fixation Technique On Thoracic Epidural Catheter Displacement

NCT03976154
View directory record Official record
Conditions
Thoracic Epidural
Interventions
Thoracic Epidural Catheter Fixation Techniques
Other
Lead sponsor
University of Utah
Other
Eligibility
18 Years and older
Enrollment
300 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2025
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Mar 7, 2025 · Synced Oct 22, 2026, 2:33 PM EDT
Completed No phase listed Observational

Nuss Procedure: Clinical Options in Pediatric Pain Management?

NCT02009267
View directory record Official record
Conditions
Pectus Excavatum
Interventions
Patient controlled analgesia, Continuous thoracic epidural infusions, Continuous paravertebral blockade
Device · Procedure
Lead sponsor
Ralph Beltran
Other
Eligibility
Not listed
Enrollment
32 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2016
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Feb 2, 2017 · Synced Oct 22, 2026, 2:33 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Scavenging of Reactive Carbonyl Species by Dietary Flavonoids in Humans

NCT05773794
View directory record Official record
Conditions
Human Health, Reactive Carbonyl Species, Polyphenols
Interventions
Soymilk, green tea, or blueberry, Control group
Dietary Supplement
Lead sponsor
North Carolina Agriculture & Technical State University
Other
Eligibility
25 Years to 70 Years
Enrollment
48 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023
U.S. locations
1
States / cities
Kannapolis, North Carolina
Source: ClinicalTrials.gov public record
Updated Jun 2, 2026 · Synced Oct 22, 2026, 2:33 PM EDT
Completed Phase 1 Interventional Results available

Study to Evaluate Safety and Toxicity of Polyphenon E (EGCG) in HIV-1-Infected Individuals

NCT01433289
View directory record Official record
Conditions
HIV Infection
Interventions
Polyphenon E, Placebo
Drug
Lead sponsor
Baylor College of Medicine
Other
Eligibility
18 Years to 65 Years
Enrollment
23 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2015
U.S. locations
2
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated May 19, 2023 · Synced Oct 22, 2026, 2:33 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Thoracic Epidural Analgesia vs Surgical Site Infiltration With Liposomal Bupivacaine Following Open Gynecologic Surgery

NCT04117074
View directory record Official record
Conditions
Surgery, Analgesia
Interventions
Liposomal bupivacaine, Thoracic epidural analgesia (bupivacaine)
Drug · Other
Lead sponsor
Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins
Other
Eligibility
18 Years and older · Female only
Enrollment
106 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2025
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated May 19, 2026 · Synced Oct 22, 2026, 2:33 PM EDT
Completed Phase 1 Interventional

Effect of Quercetin on Green Tea Polyphenol Uptake in Prostate Tissue From Patients With Prostate Cancer Undergoing Surgery

NCT01912820
View directory record Official record
Conditions
Adenocarcinoma of the Prostate, Recurrent Prostate Cancer, Stage I Prostate Cancer, Stage IIA Prostate Cancer, Stage IIB Prostate Cancer, Stage III Prostate Cancer, Stage IV Prostate Cancer
Interventions
green tea extract, quercetin, placebo, therapeutic conventional surgery, laboratory biomarker analysis
Dietary Supplement · Drug · Other + 1 more
Lead sponsor
Jonsson Comprehensive Cancer Center
Other
Eligibility
40 Years to 75 Years · Male only
Enrollment
32 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2021
U.S. locations
2
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Jun 23, 2021 · Synced Oct 22, 2026, 2:33 PM EDT
Not yet recruiting Phase 1 Interventional

Daily, Encapsulated, Green Tea Extract to Mitigate Neuropathic Pain in Patients With Established Cancer-Associated Neuropathic Pain

NCT07682324
View directory record Official record
Conditions
Neuropathic Pain, Cancer Treatment
Interventions
Green Tea Leaf Extract Decaffeinated, Placebo Control
Dietary Supplement · Other
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
18 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2029
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated Aug 21, 2026 · Synced Oct 22, 2026, 2:33 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Novel Metabolites of Beta-Carotene and Lycopene

NCT02550483
View directory record Official record
Conditions
Healthy
Interventions
Base diet + high beta-carotene tomato juice, Base diet + high lycopene tomato juice, Base diet + placebo beverage
Other
Lead sponsor
USDA Beltsville Human Nutrition Research Center
Federal
Eligibility
21 Years to 75 Years
Enrollment
36 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015
U.S. locations
1
States / cities
Beltsville, Maryland
Source: ClinicalTrials.gov public record
Updated Apr 26, 2018 · Synced Oct 22, 2026, 2:33 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Time Restricted Eating (TRE) Among Native Hawaiian/Pacific Islander Women at Risk for Endometrial Cancer

NCT04763902
View directory record Official record
Conditions
Endometrial Neoplasms
Interventions
Time Restricted Eating (TRE) Schedule, Control Schedule
Behavioral
Lead sponsor
University of Utah
Other
Eligibility
18 Years and older · Female only
Enrollment
39 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021 – 2022
U.S. locations
1
States / cities
Salt Lake City, Utah
Source: ClinicalTrials.gov public record
Updated Jul 29, 2026 · Synced Oct 22, 2026, 2:33 PM EDT
Completed Phase 1 Interventional Results available

Demodex Blepharitis Treatment Study

NCT01647217
View directory record Official record
Conditions
Chronic Blepharitis
Interventions
Terpinen-4-ol, Placebo
Drug · Other
Lead sponsor
BioTissue Holdings, Inc
Industry
Eligibility
15 Years to 80 Years
Enrollment
17 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2015
U.S. locations
1
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated Jul 26, 2017 · Synced Oct 22, 2026, 2:33 PM EDT
Terminated Phase 2 Interventional Results available

Zinc and Green Tea Extract for Community Respiratory Viral Infections

NCT04898023
View directory record Official record
Conditions
Respiratory Viral Infection
Interventions
zinc-green tea extract-ascorbic acid, Placebo
Drug
Lead sponsor
University of Missouri-Columbia
Other
Eligibility
18 Years and older
Enrollment
17 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2023
U.S. locations
1
States / cities
Columbia, Missouri
Source: ClinicalTrials.gov public record
Updated Mar 7, 2025 · Synced Oct 22, 2026, 2:33 PM EDT
Completed Phase 4 Interventional Results available

Study of Exparel Versus Epidural for Pain Control After Thoracotomy

NCT02178553
View directory record Official record
Conditions
Pain Following Thoracotomy Surgery
Interventions
Epidural, Intercostal Bupivicaine (Exparel)
Drug
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years and older
Enrollment
102 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2019
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Jan 9, 2020 · Synced Oct 22, 2026, 2:33 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effect of Nitrate-rich Fruit and Vegetable Supplement on Blood Pressure

NCT03486145
View directory record Official record
Conditions
High Blood Pressure, Flow Mediated Dilation
Interventions
fruit and vegetable juice supplement, Placebo
Dietary Supplement
Lead sponsor
Arizona State University
Other
Eligibility
18 Years to 40 Years
Enrollment
57 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2016
U.S. locations
1
States / cities
Phoenix, Arizona
Source: ClinicalTrials.gov public record
Updated Apr 3, 2018 · Synced Oct 22, 2026, 2:33 PM EDT