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ClinicalTrials.gov public records Last synced Oct 21, 2026, 1:14 PM EDT

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Showing 1–24 of 27 matching trials from the live ClinicalTrials.gov search.
Filters: Intervention: L-methylfolate Clear all
Completed Phase 4 Interventional Results available

Low Dose OC Therapy in Women With Polycystic Ovary Syndrome (PCOS): Impact of BMI on Hyperandrogenism

NCT01360996
View directory record Official record
Conditions
Polycystic Ovary Syndrome
Interventions
3 mg DRSP/20 μg EE
Drug
Lead sponsor
Woman's
Other
Eligibility
16 Years to 35 Years · Female only
Enrollment
64 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2015
U.S. locations
1
States / cities
Baton Rouge, Louisiana
Source: ClinicalTrials.gov public record
Updated Mar 31, 2017 · Synced Oct 21, 2026, 1:14 PM EDT
Recruiting Phase 1 Interventional Accepts healthy volunteers

B-Complex: A Nutraceutical SANS Countermeasure

NCT05366933
View directory record Official record
Conditions
Optic Disc Edema, Endothelial Dysfunction
Interventions
Vitamin B-Complex Supplement
Drug
Lead sponsor
National Aeronautics and Space Administration (NASA)
Federal
Eligibility
20 Years to 100 Years
Enrollment
16 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2032
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated May 22, 2025 · Synced Oct 21, 2026, 1:14 PM EDT
Completed Phase 3 Interventional Accepts healthy volunteers Results available

Efficacy and Safety Study for an Oral Contraceptive Containing Folate

NCT00468481
View directory record Official record
Conditions
Neural Tube Defects, Contraception, Oral Contraceptives (OC)
Interventions
Drospirenone/Ethinylestradiol/Methyltetrahydrofolate, Drospirenone/Ethinylestradiol (Yaz)
Drug
Lead sponsor
Bayer
Industry
Eligibility
18 Years to 40 Years · Female only
Enrollment
385 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2008
U.S. locations
9
States / cities
Anaheim, California • San Diego, California • Baltimore, Maryland + 6 more
Source: ClinicalTrials.gov public record
Updated Apr 23, 2014 · Synced Oct 21, 2026, 1:14 PM EDT
Completed Phase 4 Interventional

A Study of 6(S)-5-MTHF Among Serotonin Reuptake Inhibitor(SSRI)-Resistant Outpatients With Major Depressive Disorder (MDD)

NCT00321152
View directory record Official record
Conditions
Major Depressive Disorder
Interventions
6(S)-5-MTHF (a Medical Food)
Other
Lead sponsor
Massachusetts General Hospital
Other
Eligibility
18 Years to 65 Years
Enrollment
150 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2010
U.S. locations
11
States / cities
San Diego, California • Chicago, Illinois • New Orleans, Louisiana + 8 more
Source: ClinicalTrials.gov public record
Updated Jun 8, 2010 · Synced Oct 21, 2026, 1:14 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

An Exploratory Investigation of a Supplement to Promote Cognitive Health Benefits

NCT05523115
View directory record Official record
Conditions
Anxiety, Stress, Memory Deficits, Cortisol Overproduction
Interventions
Heights Smart Supplement
Dietary Supplement
Lead sponsor
Heights
Industry
Eligibility
21 Years to 70 Years
Enrollment
34 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022
U.S. locations
1
States / cities
Santa Monica, California
Source: ClinicalTrials.gov public record
Updated Nov 8, 2022 · Synced Oct 21, 2026, 1:14 PM EDT
Terminated Not applicable Interventional Accepts healthy volunteers

An Exploratory, Randomized, Blinded, Placebo-Controlled Trial of Folic Acid and L-methylfolate in Parkinson's Disease

NCT00853879
View directory record Official record
Conditions
Parkinson's Disease
Interventions
Folic Acid, Vitamin B6, Vitamin B12, B6, B12, L-methylfolate, B6, B12, Placebo
Dietary Supplement
Lead sponsor
Northwell Health
Other
Eligibility
30 Years and older
Enrollment
150 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2010
U.S. locations
1
States / cities
Manhasset, New York
Source: ClinicalTrials.gov public record
Updated May 15, 2015 · Synced Oct 21, 2026, 1:14 PM EDT
Not listed No phase listed Observational Accepts healthy volunteers

Metanx® P.L.U.S. Program (Progress Through Learning, Understanding & Support)

NCT01368549
View directory record Official record
Conditions
Diabetic Peripheral Neuropathy
Interventions
Metanx® (a medical food)
Other
Lead sponsor
Pamlab, L.L.C.
Industry
Eligibility
18 Years to 80 Years
Enrollment
800 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2012
U.S. locations
1
States / cities
Montgomery, Alabama
Source: ClinicalTrials.gov public record
Updated Jan 11, 2012 · Synced Oct 21, 2026, 1:14 PM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

Food and Alcohol Behavior Study: Meaningful Enhancement

NCT04095052
View directory record Official record
Conditions
Folate Deficiency
Interventions
Methyl Folate, Placebo
Dietary Supplement
Lead sponsor
Oklahoma State University Center for Health Sciences
Other
Eligibility
18 Years to 24 Years · Female only
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2024
U.S. locations
1
States / cities
Tulsa, Oklahoma
Source: ClinicalTrials.gov public record
Updated Aug 16, 2023 · Synced Oct 21, 2026, 1:14 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Use of Ritual Prenatal Multivitamins for Pregnancy

NCT05673070
View directory record Official record
Conditions
Pregnancy Related, Nutrition, Healthy
Interventions
Ritual Epre Multivitamin-mineral supplement, control MVI
Dietary Supplement
Lead sponsor
City University of New York
Other
Eligibility
18 Years and older · Female only
Enrollment
80 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023 – 2024
U.S. locations
2
States / cities
Brooklyn, New York
Source: ClinicalTrials.gov public record
Updated May 19, 2026 · Synced Oct 21, 2026, 1:14 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

A Retrospective Analysis of Neevo®/Neevo®DHA Compared to a Standard Prenatal Vitamin in Anemia During Pregnancy

NCT01062958
View directory record Official record
Conditions
Anemia in Pregnancy, Preeclampsia
Interventions
Neevo® (a medical food), Prenatal vitamins (≤1mg folic acid, 27 - 35mg iron, and ≤12mcg vitamin B12)
Other
Lead sponsor
Pamlab, Inc.
Industry
Eligibility
21 Years to 39 Years · Female only
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2009 – 2010
U.S. locations
3
States / cities
Sheffield, Alabama • Flowood, Mississippi • Gainesville, Texas
Source: ClinicalTrials.gov public record
Updated Apr 16, 2013 · Synced Oct 21, 2026, 1:14 PM EDT
Terminated No phase listed Observational Accepts healthy volunteers

A Retrospective Analysis of Neevo® and NeevoDHA® Compared to a Standard Prenatal Vitamin in Anemia During Pregnancy

NCT01193192
View directory record Official record
Conditions
Anemia in Pregnancy, Pre-eclampsia
Interventions
Neevo®, Prenatal vitamins
Other
Lead sponsor
Pamlab, L.L.C.
Industry
Eligibility
21 Years to 39 Years · Female only
Enrollment
30 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010
U.S. locations
3
States / cities
Chickasha, Oklahoma • Norman, Oklahoma
Source: ClinicalTrials.gov public record
Updated Nov 23, 2011 · Synced Oct 21, 2026, 1:14 PM EDT
Completed Not applicable Interventional

A Placebo-Controlled Study of Physiologic Effects of L-methylfolate in Schizophrenia Patients

NCT01091506
View directory record Official record
Conditions
Schizophrenia
Interventions
Placebo, L-methylfolate
Other
Lead sponsor
Pamlab, Inc.
Industry
Eligibility
18 Years to 68 Years
Enrollment
55 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2014
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Aug 3, 2016 · Synced Oct 21, 2026, 1:14 PM EDT
Completed No phase listed Observational Results available

Combination Deplin® and Antidepressant Therapy for a Major Depressive Episode (MDE)- a Retrospective Analysis

NCT01001559
View directory record Official record
Conditions
Major Depressive Disorder
Interventions
L-methylfolate, Selective serotonin reuptake inhibitor (SSRI), Serotonin and norepinephrine reuptake inhibitor (SNRI)
Drug
Lead sponsor
Pamlab, Inc.
Industry
Eligibility
18 Years to 70 Years
Enrollment
242 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2011
U.S. locations
1
States / cities
Houston, Texas
Source: ClinicalTrials.gov public record
Updated Dec 19, 2013 · Synced Oct 21, 2026, 1:14 PM EDT
Completed Not applicable Interventional

The Use Of L-Methylfolate As A Treatment For Depression

NCT02133898
View directory record Official record
Conditions
Depression
Interventions
L-methylfolate
Other
Lead sponsor
University of Florida
Other
Eligibility
18 Years to 65 Years
Enrollment
57 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2023
U.S. locations
1
States / cities
Gainesville, Florida
Source: ClinicalTrials.gov public record
Updated Jun 7, 2023 · Synced Oct 21, 2026, 1:14 PM EDT
Completed No phase listed Observational Accepts healthy volunteers Results available

Deplin® P.L.U.S. Program (Progress Through Learning Understanding & Support)

NCT01369030
View directory record Official record
Conditions
Major Depressive Disorder
Interventions
Deplin®
Other
Lead sponsor
Pamlab, Inc.
Industry
Eligibility
18 Years to 70 Years
Enrollment
554 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2012
U.S. locations
2
States / cities
Greensboro, North Carolina • Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Jun 3, 2014 · Synced Oct 21, 2026, 1:14 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Restoration of Cutaneous Sensorum in Patients With Diabetic Peripheral Neuropathy (DPN) Via Metanx®

NCT00933998
View directory record Official record
Conditions
Diabetic Peripheral Neuropathy
Interventions
Metanx® (Oral L-methylfolate, Methylcobalamin and Pyridoxal 5'-phosphate)
Other
Lead sponsor
Carolina Musculoskeletal Institute
Other
Eligibility
Not listed
Enrollment
20 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
Started 2006
U.S. locations
1
States / cities
Aiken, South Carolina
Source: ClinicalTrials.gov public record
Updated Jan 29, 2014 · Synced Oct 21, 2026, 1:14 PM EDT
Terminated No phase listed Observational Accepts healthy volunteers

Néevo®/NéevoDHA® P.L.U.S. Program (Progress Through Learning, Understand & Support)

NCT01358552
View directory record Official record
Conditions
Pregnancy
Interventions
Néevo®/ NéevoDHA®
Other
Lead sponsor
Pamlab, Inc.
Industry
Eligibility
18 Years to 39 Years · Female only
Enrollment
53 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2011 – 2012
U.S. locations
1
States / cities
Corpus Christi, Texas
Source: ClinicalTrials.gov public record
Updated May 1, 2013 · Synced Oct 21, 2026, 1:14 PM EDT
Not listed Phase 1Phase 2 Interventional

A Study of IBRF Disorders of Consciousness Advanced Care/MultiModal Care Protocol in Severe Disorders of Consciousness

NCT02696512
View directory record Official record
Conditions
Brain Injury
Interventions
Polypharmacy using FDA-approved products, Median Nerve Stimulation (MNS), Nutraceutical Supplementation, Standard of Care
Drug · Device · Dietary Supplement + 1 more
Lead sponsor
International Brain Research Foundation
Other
Eligibility
18 Years to 65 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2017
U.S. locations
1
States / cities
Edison, New Jersey
Source: ClinicalTrials.gov public record
Updated Sep 2, 2016 · Synced Oct 21, 2026, 1:14 PM EDT
Completed Phase 1 Interventional

A Phase I Study of High-dose L-methylfolate in Combination With Temozolomide and Bevacizumab in Recurrent High Grade Glioma

NCT01891747
View directory record Official record
Conditions
Malignant Glioma
Interventions
Bevacizumab, Temozolomide, Vitamin C
Drug · Dietary Supplement
Lead sponsor
Vanderbilt-Ingram Cancer Center
Other
Eligibility
18 Years and older
Enrollment
14 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2022
U.S. locations
1
States / cities
Nashville, Tennessee
Source: ClinicalTrials.gov public record
Updated Mar 10, 2022 · Synced Oct 21, 2026, 1:14 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Administrative Claims Analysis of Metanx® in Diabetic Peripheral Neuropathy

NCT01247558
View directory record Official record
Conditions
Diabetic Peripheral Neuropathy (DPN)
Interventions
Metanx® (a medical food), Not treated with Metanx®
Other
Lead sponsor
Pamlab, L.L.C.
Industry
Eligibility
25 Years to 80 Years
Enrollment
500 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010 – 2011
U.S. locations
1
States / cities
Wilmington, Delaware
Source: ClinicalTrials.gov public record
Updated Jul 25, 2012 · Synced Oct 21, 2026, 1:14 PM EDT
Completed Phase 1 Interventional

Nutrition, Neuromuscular Electrical Stimulation (NMES) and Secondary Progressive Multiple Sclerosis (SPMS)

NCT01381354
View directory record Official record
Conditions
Multiple Sclerosis
Interventions
Progressive exercise, Neuromuscular electrical stimulation delivered using the electrical therapy device EMPI 300 PV, Modified paleolithic diet, Omega 3 fatty acids, Full Spectrum vitamin, Essential - hydroxytyrosol, Maltodextrin fiber supplement, Mineral boost (magnesium), Niacinamide, Methyl B12, Taurine, creatine, thiamine, riboflavin, N acetylcysteine, alpha lipoic acid, L acetyl carnitine, methyl folate, coenzyme Q, meditation, self massage, learning, Coconut oil
Other · Device · Dietary Supplement + 1 more
Lead sponsor
University of Iowa
Other
Eligibility
18 Years to 65 Years
Enrollment
38 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2016
U.S. locations
1
States / cities
Iowa City, Iowa
Source: ClinicalTrials.gov public record
Updated Jun 26, 2018 · Synced Oct 21, 2026, 1:14 PM EDT
Completed Phase 4 Interventional Results available

Study of 6(S)-5-MTHF Among Selective Serotonin Reuptake Inhibitor-Resistant Outpatients With Major Depressive Disorder

NCT00955955
View directory record Official record
Conditions
Depression
Interventions
6(S)-5-MTHF(Deplin), Placebo
Other
Lead sponsor
George I. Papakostas
Other
Eligibility
18 Years to 65 Years
Enrollment
75 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2011
U.S. locations
6
States / cities
San Diego, California • Chicago, Illinois • Boston, Massachusetts + 3 more
Source: ClinicalTrials.gov public record
Updated Apr 28, 2017 · Synced Oct 21, 2026, 1:14 PM EDT
Completed Not applicable Interventional Results available

Dietary Supplements for the Treatment of Angelman Syndrome

NCT00348933
View directory record Official record
Conditions
Angelman Syndrome, Nervous System Diseases
Interventions
Betaine, Creatine, Metafolin, Vitamin B12
Drug
Lead sponsor
University of California, San Diego
Other
Eligibility
1 Day to 5 Years
Enrollment
90 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2010
U.S. locations
4
States / cities
San Diego, California • Boston, Massachusetts • Greenwood, South Carolina + 1 more
Source: ClinicalTrials.gov public record
Updated Sep 24, 2012 · Synced Oct 21, 2026, 1:14 PM EDT
Completed Phase 4 Interventional Results available

Study of Metanx® in Subjects With Type 2 Diabetic Peripheral Neuropathy (DPN)

NCT00726713
View directory record Official record
Conditions
Type 2 Diabetic Peripheral Neuropathy (DPN)
Interventions
Metanx (a medical food), Metanx placebo
Other
Lead sponsor
Pamlab, Inc.
Industry
Eligibility
25 Years to 80 Years
Enrollment
214 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2011
U.S. locations
6
States / cities
Birmingham, Alabama • New Orleans, Louisiana • Omaha, Nebraska + 3 more
Source: ClinicalTrials.gov public record
Updated Aug 30, 2013 · Synced Oct 21, 2026, 1:14 PM EDT