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ClinicalTrials.gov public records Last synced Oct 21, 2026, 2:59 AM EDT

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Showing 1–24 of 187 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Spasm Clear all
Completed Phase 3 Interventional Results available

Safety and Efficacy Study in Preschool Children Aged 4-5 Years With Attention-deficit/Hyperactivity Disorder (ADHD)

NCT03260205
View directory record Official record
Conditions
Attention Deficit Hyperactivity Disorder (ADHD)
Interventions
Placebo, SPD489 (Lisdexamfetamine dimesylate), SPD489
Drug
Lead sponsor
Shire
Industry
Eligibility
4 Years to 5 Years
Enrollment
199 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2017 – 2018
U.S. locations
48
States / cities
Dothan, Alabama • Little Rock, Arkansas • Colton, California + 39 more
Source: ClinicalTrials.gov public record
Updated Jun 8, 2021 · Synced Oct 21, 2026, 2:59 AM EDT
Completed Phase 1 Interventional Results available

Safety, Tolerability and Pharmacokinetics of SHP465 in Children Aged 4 to 5 Years With Attention-Deficit/Hyperactivity Disorder (ADHD)

NCT03327402
View directory record Official record
Conditions
Attention Deficit Hyperactivity Disorder (ADHD)
Interventions
SHP465
Drug
Lead sponsor
Shire
Industry
Eligibility
4 Years to 5 Years
Enrollment
24 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2018
U.S. locations
8
States / cities
Little Rock, Arkansas • Orlando, Florida • Evansville, Indiana + 5 more
Source: ClinicalTrials.gov public record
Updated Jun 8, 2021 · Synced Oct 21, 2026, 2:59 AM EDT
Completed No phase listed Observational

Mohawk Culture, Behavior, Toxicant Exposure and Health

NCT00043238
View directory record Official record
Conditions
Thyroid Diseases, Cognition Disorders
Interventions
Not listed
Lead sponsor
National Institute of Environmental Health Sciences (NIEHS)
NIH
Eligibility
17 Years to 18 Years
Enrollment
220 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Ends 2005
U.S. locations
1
States / cities
Hogansburg, New York
Source: ClinicalTrials.gov public record
Updated Apr 14, 2015 · Synced Oct 21, 2026, 2:59 AM EDT
Completed Phase 3 Interventional

Effect of Working Memory Training on ADHD Brain Function

NCT02151396
View directory record Official record
Conditions
Attention-Deficit/Hyperactivity Disorder (Combined-subtype)
Interventions
Working memory training, Functional magnetic resonance imaging (fMRI)
Behavioral · Device
Lead sponsor
Hartford Hospital
Other
Eligibility
13 Years to 17 Years
Enrollment
37 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2013
U.S. locations
1
States / cities
Hartford, Connecticut
Source: ClinicalTrials.gov public record
Updated May 30, 2014 · Synced Oct 21, 2026, 2:59 AM EDT
Terminated Phase 2 Interventional Results available

Open-label Extension to Protocol 1042-0500

NCT00442104
View directory record Official record
Conditions
Infantile Spasms
Interventions
Ganaxolone
Drug
Lead sponsor
Marinus Pharmaceuticals
Industry
Eligibility
4 Months to 24 Months
Enrollment
54 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2009
U.S. locations
14
States / cities
Los Angeles, California • Washington D.C., District of Columbia • Miami, Florida + 10 more
Source: ClinicalTrials.gov public record
Updated May 28, 2024 · Synced Oct 21, 2026, 2:59 AM EDT
Completed No phase listed Observational

Assessment of Attentional Functioning in Children With HIV-1 Infection

NCT00001497
View directory record Official record
Conditions
Attention Deficit Disorder With Hyperactivity, HIV Infections, Paralysis
Interventions
Not listed
Lead sponsor
National Cancer Institute (NCI)
NIH
Eligibility
Not listed
Enrollment
90 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1995 – 2000
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 4, 2008 · Synced Oct 21, 2026, 2:59 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Effects of Epicatechin on Statins for Mitochondrial Dysfunction and Impaired Exercise Capacity

NCT02490527
View directory record Official record
Conditions
Statin Intolerance
Interventions
Pure epicatechin capsules (50mg), Simvastatin (40mg), Placebo
Dietary Supplement · Drug · Other
Lead sponsor
University of California, San Diego
Other
Eligibility
30 Years to 75 Years
Enrollment
19 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2021
U.S. locations
1
States / cities
La Jolla, California
Source: ClinicalTrials.gov public record
Updated Jul 31, 2026 · Synced Oct 21, 2026, 2:59 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Behavioral Effects of Obstructive Sleep Apnea in Children

NCT00060723
View directory record Official record
Conditions
Sleep-disordered Breathing, Sleep Apnea, Obstructive, ADHD
Interventions
Not listed
Lead sponsor
University of Michigan
Other
Eligibility
5 Years to 12 Years
Enrollment
106 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
1999 – 2004
U.S. locations
1
States / cities
Ann Arbor, Michigan
Source: ClinicalTrials.gov public record
Updated Dec 6, 2016 · Synced Oct 21, 2026, 2:59 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

A Study on Intestinal Gas Symptoms to Evaluate the Effects of Gas Defense in Otherwise Healthy Adult

NCT00881322
View directory record Official record
Conditions
Abdominal Pain, Abdominal Cramps, Flatulence
Interventions
BC-130 (Gas Defense), Placebo
Dietary Supplement
Lead sponsor
Miami Research Associates
Network
Eligibility
18 Years to 75 Years
Enrollment
61 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2008
U.S. locations
1
States / cities
Miami, Florida
Source: ClinicalTrials.gov public record
Updated Sep 30, 2009 · Synced Oct 21, 2026, 2:59 AM EDT
Completed Phase 2Phase 3 Interventional Results available

Topical Radial Artery Vasodilation

NCT01155167
View directory record Official record
Conditions
Cardiac Catheterization, Spasm
Interventions
Nitroglycerin and lidocaine, Placebo
Drug · Other
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years to 100 Years
Enrollment
86 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2012
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Sep 25, 2018 · Synced Oct 21, 2026, 2:59 AM EDT
Terminated Phase 2 Interventional Accepts healthy volunteers

Guanfacine for Hyperactivity in Children With Down Syndrome (HYPEbeGONE_DS)

NCT06042257
View directory record Official record
Conditions
Hyperactivity in Children With Down Syndrome, Impulsivity in Children With Down Syndrome
Interventions
Guanfacine Hydrochloride Immediate Release, Placebo
Drug
Lead sponsor
Rachel G. Greenberg, MD, MB, MHS
Other
Eligibility
6 Years to 12 Years
Enrollment
3 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024 – 2025
U.S. locations
14
States / cities
Phoenix, Arizona • Atlanta, Georgia • Chicago, Illinois + 11 more
Source: ClinicalTrials.gov public record
Updated Apr 17, 2026 · Synced Oct 21, 2026, 2:59 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

The Effects of Mixhers HERTIME Supplements on Menstrual Symptoms

NCT06136104
View directory record Official record
Conditions
Healthy, Premenstrual Dysphoric Disorder, Premenstrual Syndrome
Interventions
Mixhers HERTIME, Placebo
Dietary Supplement
Lead sponsor
Midwestern University
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
100 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2023
U.S. locations
1
States / cities
Glendale, Arizona
Source: ClinicalTrials.gov public record
Updated May 8, 2024 · Synced Oct 21, 2026, 2:59 AM EDT
Completed No phase listed Observational

Exercise-Induced Bronchospasm in Cystic Fibrosis

NCT00806455
View directory record Official record
Conditions
Cystic Fibrosis, Bronchospasm
Interventions
Not listed
Lead sponsor
Ohio State University
Other
Eligibility
12 Years and older
Enrollment
14 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2013
U.S. locations
1
States / cities
Columbus, Ohio
Source: ClinicalTrials.gov public record
Updated Nov 19, 2013 · Synced Oct 21, 2026, 2:59 AM EDT
Terminated Not applicable Interventional

Oral Carnitine for Cramps in Pregnancy

NCT00516516
View directory record Official record
Conditions
Muscle Cramp
Interventions
L-Carnitine, Placebo
Dietary Supplement
Lead sponsor
University of Southern California
Other
Eligibility
16 Years and older · Female only
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2008 – 2009
U.S. locations
3
States / cities
Los Angeles, California
Source: ClinicalTrials.gov public record
Updated Apr 20, 2017 · Synced Oct 21, 2026, 2:59 AM EDT
Withdrawn No phase listed Observational

Radial Artery Spasm Leading to Occlusion in Patients Undergoing Coronary Angiogram Via Radial Access

NCT02577796
View directory record Official record
Conditions
Arterial Occlusion, Arterial Spasm
Interventions
Not listed
Lead sponsor
Antonios Likourezos
Other
Eligibility
18 Years and older
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2015
U.S. locations
1
States / cities
Brooklyn, New York
Source: ClinicalTrials.gov public record
Updated Dec 4, 2023 · Synced Oct 21, 2026, 2:59 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

A Single Group Study to Evaluate the Effects of a Topical Product on Cramps Associated With the Menstrual Cycle

NCT06939972
View directory record Official record
Conditions
Dysmenorrhea, Menstrual Cramps
Interventions
Topical Analgesic with Camphor and Menthol
Dietary Supplement
Lead sponsor
Rael
Industry
Eligibility
18 Years to 35 Years · Female only
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024
U.S. locations
1
States / cities
Las Vegas, Nevada
Source: ClinicalTrials.gov public record
Updated Apr 23, 2025 · Synced Oct 21, 2026, 2:59 AM EDT
Completed Phase 2 Interventional

Motor Training to Treat Hand Dystonia

NCT00021853
View directory record Official record
Conditions
Focal Dystonia
Interventions
constraint-induced movement therapy
Behavioral
Lead sponsor
National Institute of Neurological Disorders and Stroke (NINDS)
NIH
Eligibility
Not listed
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2001 – 2002
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 4, 2008 · Synced Oct 21, 2026, 2:59 AM EDT
Completed No phase listed Observational

Survey of Sensory and Motor Tricks in Focal Dystonia

NCT00054652
View directory record Official record
Conditions
Focal Dystonia
Interventions
Not listed
Lead sponsor
National Institute of Neurological Disorders and Stroke (NINDS)
NIH
Eligibility
Not listed
Enrollment
80 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2003 – 2005
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 4, 2008 · Synced Oct 21, 2026, 2:59 AM EDT
Completed Not applicable Interventional

Levocarnitine in Treating Patients With Vismodegib-Associated Muscle Spasms

NCT01893892
View directory record Official record
Conditions
Musculoskeletal Complications
Interventions
levocarnitine, placebo, questionnaire administration
Dietary Supplement · Other
Lead sponsor
Stanford University
Other
Eligibility
18 Years and older
Enrollment
12 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2014 – 2017
U.S. locations
1
States / cities
Stanford, California
Source: ClinicalTrials.gov public record
Updated Aug 4, 2017 · Synced Oct 21, 2026, 2:59 AM EDT
Completed Not applicable Interventional

Lp-PLA2 and Coronary Atherosclerosis in Humans

NCT01557088
View directory record Official record
Conditions
Coronary Atherosclerosis, Endothelial Dysfunction
Interventions
Blood sampling from the Coronary Sinus and Aorta, Intravascular Ultrasound of the coronary artery.
Other · Procedure
Lead sponsor
Mayo Clinic
Other
Eligibility
18 Years to 85 Years
Enrollment
166 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2015
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Sep 23, 2015 · Synced Oct 21, 2026, 2:59 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

Implementation Strategy Resource Package for Behavioral Classroom Interventions: Pilot Test

NCT05489081
View directory record Official record
Conditions
Attention Deficit Hyperactivity Disorder Symptoms
Interventions
Positive Behavior Management Toolkit
Behavioral
Lead sponsor
Children's Hospital of Philadelphia
Other
Eligibility
4 Years and older
Enrollment
53 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2022 – 2024
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jul 29, 2025 · Synced Oct 21, 2026, 2:59 AM EDT
Terminated Phase 1 Interventional Accepts healthy volunteers

Novel Positron Emission Tomography (PET) Radiotracer to Image Phosphodiesterase-4B (PDE4B)

NCT03030391
View directory record Official record
Conditions
Healthy
Interventions
PET, MRI
Other
Lead sponsor
National Institute of Mental Health (NIMH)
NIH
Eligibility
18 Years and older
Enrollment
5 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2018
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Dec 17, 2019 · Synced Oct 21, 2026, 2:59 AM EDT
Completed Phase 2 Interventional

Study to Assess Safety and Efficacy of Oral Senicapoc Administration on Exercise-induced Asthma

NCT00861185
View directory record Official record
Conditions
Exercise Induced Asthma
Interventions
senicapoc, Placebo
Drug
Lead sponsor
Icagen
Industry
Eligibility
18 Years to 50 Years
Enrollment
69 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009
U.S. locations
9
States / cities
Huntington Beach, California • Orange, California • Normal, Illinois + 6 more
Source: ClinicalTrials.gov public record
Updated Jul 14, 2011 · Synced Oct 21, 2026, 2:59 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Calcium Metabolism in Mexican American Adolescents

NCT01277185
View directory record Official record
Conditions
Osteoporosis
Interventions
Low Calcium Diet, High Calcium Diet
Dietary Supplement
Lead sponsor
Purdue University
Other
Eligibility
12 Years to 15 Years
Enrollment
45 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2010
U.S. locations
1
States / cities
West Lafayette, Indiana
Source: ClinicalTrials.gov public record
Updated May 9, 2018 · Synced Oct 21, 2026, 2:59 AM EDT