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Showing 1–15 of 15 matching trials from the live ClinicalTrials.gov search.
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Filters: Intervention: Pycnogenol Clear all
Completed Not applicable Interventional Results available

Effects of Botanical Microglia Modulators in Gulf War Illness

NCT02909686
View directory record Official record
Conditions
Gulf War Illness
Interventions
Boswellia Serrata, Curcumin, Epimedium, Fisetin, Luteolin, Nettle, Pycnogenol, Reishi Mushroom, Resveratrol, Placebo
Dietary Supplement
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
39 Years to 65 Years · Male only
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2022
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated Jan 23, 2025 · Synced Sep 5, 2026, 3:22 PM EDT
Not listed Not applicable Interventional

Prospective Study of Adjunctive Carotenoids Plus Anti-oxidants in Anti-VEGF Treated Diabetic Macular Edema

NCT03866005
View directory record Official record
Conditions
Center-involved Diabetic Macular Edema (CI-DME)
Interventions
Diabetes Visual Function Study (DiVFuSS) softgels, canola oil placebo softgels, 2 per day
Dietary Supplement · Other
Lead sponsor
ZeaVision, LLC
Industry
Eligibility
18 Years to 80 Years
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2021
U.S. locations
2
States / cities
Olympia, Washington • Tacoma, Washington
Source: ClinicalTrials.gov public record
Updated Jul 1, 2020 · Synced Sep 5, 2026, 3:22 PM EDT
Not listed Not applicable Interventional

Effects of Pine Cone Extract on Serum IgE Levels in Perennial Rhinitis

NCT04024033
View directory record Official record
Conditions
Perennial Allergic Rhinitis
Interventions
pine cone extract, placebo
Dietary Supplement · Other
Lead sponsor
University of South Florida
Other
Eligibility
18 Years and older
Enrollment
36 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2023
U.S. locations
1
States / cities
Tampa, Florida
Source: ClinicalTrials.gov public record
Updated May 9, 2023 · Synced Sep 5, 2026, 3:22 PM EDT
Completed Phase 2 Interventional

Pycnogenol for the Treatment of Lymphedema

NCT00214032
View directory record Official record
Conditions
Lymphedema
Interventions
Pycnogenol, Placebo
Drug
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
18 Years and older · Female only
Enrollment
2 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2002 – 2007
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Oct 4, 2015 · Synced Sep 5, 2026, 3:22 PM EDT
Terminated Phase 2 Interventional

Effects of Pycnogenol on Cardiac Fibrosis and Diastolic Dysfunction in Aged Hypertensive Subjects

NCT00952627
View directory record Official record
Conditions
Cardiac Fibrosis, Diastolic Dysfunction
Interventions
Pycnogenol, Placebo
Dietary Supplement
Lead sponsor
University of Arizona
Other
Eligibility
50 Years to 75 Years
Enrollment
9 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2011
U.S. locations
1
States / cities
Tucson, Arizona
Source: ClinicalTrials.gov public record
Updated Dec 16, 2013 · Synced Sep 5, 2026, 3:22 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Understanding Pine Bark Extract as an Alternative Treatment (UPBEAT) Study

NCT00425945
View directory record Official record
Conditions
Hypertension
Interventions
Pine Bark Extract (Flavangenol®)
Drug
Lead sponsor
Stanford University
Other
Eligibility
18 Years and older
Enrollment
130 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2008
U.S. locations
1
States / cities
Stanford, California
Source: ClinicalTrials.gov public record
Updated Apr 1, 2014 · Synced Sep 5, 2026, 3:22 PM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

The Use of Pycnogenol® to Alleviate Menopausal Symptoms Induced or Increased by Breast and Gynecological Cancer Treatments

NCT03704454
View directory record Official record
Conditions
Climacteric; Menorrhagia, Menopausal, Menopause
Interventions
50 mg PYC and then placebo, 100 mg PYC and then placebo, Placebo and then 50 mg PYC, Placebo and then 100 mg PYC
Dietary Supplement
Lead sponsor
Legacy Health System
Other
Eligibility
18 Years to 99 Years · Female only
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2020
U.S. locations
3
States / cities
Gresham, Oregon • Portland, Oregon • Tualatin, Oregon
Source: ClinicalTrials.gov public record
Updated Oct 11, 2018 · Synced Sep 5, 2026, 3:22 PM EDT
Completed Phase 2 Interventional

Pycnogenol for the Treatment of Lymphedema of the Arm in Breast Cancer Survivors

NCT00064857
View directory record Official record
Conditions
Lymphedema, Breast, Cancer
Interventions
Pycnogenol
Drug
Lead sponsor
National Center for Complementary and Integrative Health (NCCIH)
NIH
Eligibility
18 Years and older
Enrollment
26 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2007
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Apr 21, 2008 · Synced Sep 5, 2026, 3:22 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Biological Triggers of Depression in Pregnancy

NCT02566980
View directory record Official record
Conditions
Depression and Suicide, Mood Disorders, Other Perinatal Conditions
Interventions
Not listed
Lead sponsor
Michigan State University
Other
Eligibility
18 Years and older · Female only
Enrollment
209 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2017
U.S. locations
3
States / cities
Grand Rapids, Michigan
Source: ClinicalTrials.gov public record
Updated Jun 27, 2018 · Synced Sep 5, 2026, 3:22 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

LowCostomy: Dedicated Toward Creating a High-quality, Low-cost Colostomy Appliance for Those in Sub-Saharan Africa

NCT05824351
View directory record Official record
Conditions
Abdominal Site, Colostomy Site
Interventions
Tanzanian beeswax-pine resin, Domestic beeswax-pine resin, Hollister's AdaptTM Barrier Rings
Device
Lead sponsor
Duke University
Other
Eligibility
18 Years and older
Enrollment
50 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023
U.S. locations
1
States / cities
Durham, North Carolina
Source: ClinicalTrials.gov public record
Updated Sep 25, 2024 · Synced Sep 5, 2026, 3:22 PM EDT
Completed No phase listed Observational

A Clinical Evaluation of Pine Trees Health Test System Including the Pine Trees Health Reader and COVID-19 Test for Point-of-Care

NCT05107258
View directory record Official record
Conditions
SARS (Severe Acute Respiratory Syndrome), Covid19
Interventions
The Pine Trees Health Test System
Diagnostic Test
Lead sponsor
Pine Trees, Inc.
Industry
Eligibility
6 Years and older
Enrollment
195 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021
U.S. locations
3
States / cities
Spring Hill, Florida • Statesville, North Carolina • Redmond, Washington
Source: ClinicalTrials.gov public record
Updated Nov 3, 2021 · Synced Sep 5, 2026, 3:22 PM EDT
Completed Not applicable Interventional

Diabetes Visual Function Supplement Study

NCT01646047
View directory record Official record
Conditions
Diabetes Mellitus - Type 1, Diabetes Mellitus - Type 2, Non-proliferative Diabetic Retinopathy
Interventions
multi-component nutritional supplement capsules, multi-component dietary supplement
Dietary Supplement
Lead sponsor
ZeaVision, LLC
Industry
Eligibility
18 Years and older
Enrollment
70 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2014
U.S. locations
1
States / cities
Tacoma, Washington
Source: ClinicalTrials.gov public record
Updated Jan 21, 2015 · Synced Sep 5, 2026, 3:22 PM EDT
Completed Not applicable Interventional Results available

Adapting Behavioral Activation to Technology Platform

NCT03783533
View directory record Official record
Conditions
Depression
Interventions
Behavioral Activation
Behavioral
Lead sponsor
University of Washington
Other
Eligibility
13 Years to 17 Years
Enrollment
11 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2020
U.S. locations
1
States / cities
Seattle, Washington
Source: ClinicalTrials.gov public record
Updated Sep 15, 2022 · Synced Sep 5, 2026, 3:22 PM EDT
Not yet recruiting Not applicable Interventional

Pycnogenol (French Maritime Pine Bark) for the Treatment of Gulf War Illness

NCT07266571
View directory record Official record
Conditions
Gulf War Syndrome
Interventions
Placebo, Pycnogenol, 100mg, Pycnogenol, 200mg, Pycnogenol, 400mg, Pycnogenol, 600mg
Other · Dietary Supplement
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
18 Years and older · Male only
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026 – 2027
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated Jun 16, 2026 · Synced Sep 5, 2026, 3:22 PM EDT
Not listed Not applicable Interventional

Diabetic Retinopathy Functional Evaluation Study: Monitoring Carotenoid Vitamins Treatment Using ERG

NCT04117022
View directory record Official record
Conditions
Diabetes, Diabetic Retinopathy
Interventions
DVS supplementation
Dietary Supplement
Lead sponsor
ZeaVision, LLC
Industry
Eligibility
21 Years to 80 Years
Enrollment
45 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2019 – 2022
U.S. locations
2
States / cities
Pomona, California • Tahlequah, Oklahoma
Source: ClinicalTrials.gov public record
Updated Apr 22, 2021 · Synced Sep 5, 2026, 3:22 PM EDT