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Showing 25–48 of 24 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Cramping Clear all
Completed No phase listed Observational

Transcranial Magnetic Stimulation and Electrical Stimulation of Nerves to Study Focal Dystonia

NCT00050024
View directory record Official record
Conditions
Dystonic Disorders
Interventions
Not listed
Lead sponsor
National Institute of Neurological Disorders and Stroke (NINDS)
NIH
Eligibility
18 Years and older
Enrollment
38 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2002 – 2008
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 1, 2017 · Synced Sep 22, 2026, 8:11 PM EDT
Recruiting Early Phase 1 Interventional

The Hysterosalpingogram (HSG) Experience And Tubal Spasm (HEAT) Study

NCT07226310
View directory record Official record
Conditions
Infertility
Interventions
Warmed HSG
Drug
Lead sponsor
University of Oklahoma
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
240 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2026
U.S. locations
1
States / cities
Oklahoma City, Oklahoma
Source: ClinicalTrials.gov public record
Updated Jul 29, 2026 · Synced Sep 22, 2026, 8:11 PM EDT
Completed Early Phase 1 Interventional Accepts healthy volunteers

Effects of Pau d' Arco in Primary Dysmenorrhea

NCT04245540
View directory record Official record
Conditions
Primary Dysmenorrhea
Interventions
Pau d' Arco
Dietary Supplement
Lead sponsor
National University of Natural Medicine
Other
Eligibility
18 Years to 45 Years · Female only
Enrollment
12 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2019 – 2022
U.S. locations
1
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Mar 23, 2023 · Synced Sep 22, 2026, 8:11 PM EDT
Completed Phase 1Phase 2 Interventional Results available

TJ-68 Clinical Trial in Patients With Amyotrophic Lateral Sclerosis (ALS) and Muscle Cramps

NCT04998305
View directory record Official record
Conditions
Amyotrophic Lateral Sclerosis, Muscle Cramp
Interventions
TJ-68, Placebo
Drug
Lead sponsor
Hiroshi Mitsumoto
Other
Eligibility
20 Years to 84 Years
Enrollment
11 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2022 – 2024
U.S. locations
3
States / cities
Scottsdale, Arizona • Jacksonville, Florida • New York, New York
Source: ClinicalTrials.gov public record
Updated Apr 30, 2025 · Synced Sep 22, 2026, 8:11 PM EDT
Terminated Not applicable Interventional Accepts healthy volunteers Results available

Vitamin D for Painful Nocturnal Leg Cramps

NCT00715429
View directory record Official record
Conditions
Leg Cramps, Nocturnal
Interventions
vitamin d, placebo
Drug
Lead sponsor
University of Wisconsin, Madison
Other
Eligibility
50 Years and older
Enrollment
29 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2007 – 2011
U.S. locations
1
States / cities
Madison, Wisconsin
Source: ClinicalTrials.gov public record
Updated Sep 16, 2019 · Synced Sep 22, 2026, 8:11 PM EDT
Completed Not applicable Interventional Accepts healthy volunteers

The Effects of Yoga on Attention, Impulsivity and Hyperactivity in Pre-school Age Children

NCT02642666
View directory record Official record
Conditions
ADHD
Interventions
Children's Yoga
Behavioral
Lead sponsor
University of California, Davis
Other
Eligibility
3 Years to 5 Years
Enrollment
23 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2015 – 2016
U.S. locations
1
States / cities
Sacramento, California
Source: ClinicalTrials.gov public record
Updated May 29, 2017 · Synced Sep 22, 2026, 8:11 PM EDT
Completed Early Phase 1 Interventional

Treatment of Muscle Cramps in Patients With Liver Cirrhosis

NCT01495403
View directory record Official record
Conditions
Liver Cirrhosis, Muscle Cramps
Interventions
Hydroxychloroquine
Drug
Lead sponsor
Mayo Clinic
Other
Eligibility
21 Years and older
Enrollment
3 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2015
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated May 2, 2023 · Synced Sep 22, 2026, 8:11 PM EDT
Terminated No phase listed Observational Accepts healthy volunteers

Brain Anatomy in Dystonia

NCT00031369
View directory record Official record
Conditions
Dystonia, Healthy
Interventions
Not listed
Lead sponsor
National Institute of Neurological Disorders and Stroke (NINDS)
NIH
Eligibility
18 Years and older
Enrollment
189 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2002 – 2015
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Oct 5, 2017 · Synced Sep 22, 2026, 8:11 PM EDT
Completed Not applicable Interventional Results available

Dynasplint Therapy for Trismus in Head and Neck Cancer

NCT00507208
View directory record Official record
Conditions
Trismus
Interventions
Dynasplint Trismus System, Tongue Depressors
Device · Other
Lead sponsor
University of Alabama at Birmingham
Other
Eligibility
19 Years and older
Enrollment
53 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2015
U.S. locations
1
States / cities
Birmingham, Alabama
Source: ClinicalTrials.gov public record
Updated Sep 12, 2016 · Synced Sep 22, 2026, 8:11 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Nuclear Magnetic Spectroscopy Imaging to Evaluate Primary Lateral Sclerosis, Hereditary Spastic Paraplegia and Amyotrophic Lateral Sclerosis

NCT00023075
View directory record Official record
Conditions
Primary Lateral Sclerosis, Hereditary Spastic Paraplegia, Amyotrophic Lateral Sclerosis
Interventions
Not listed
Lead sponsor
National Institute of Neurological Disorders and Stroke (NINDS)
NIH
Eligibility
Not listed
Enrollment
55 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2001 – 2003
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 3, 2008 · Synced Sep 22, 2026, 8:11 PM EDT
Active, not recruiting Not applicable Interventional

Evaluating a Low-Cost Therapeutic Device in Managing Head and Neck Cancer Patients With Radiation-Related Trismus

NCT05671861
View directory record Official record
Conditions
Trismus, Head and Neck Cancer
Interventions
Trismus Device Prototype, Questionnaires, Mobile Application
Device · Other
Lead sponsor
University of California, San Francisco
Other
Eligibility
18 Years and older
Enrollment
35 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2028
U.S. locations
1
States / cities
San Francisco, California
Source: ClinicalTrials.gov public record
Updated Jan 12, 2026 · Synced Sep 22, 2026, 8:11 PM EDT
Recruiting Phase 2 Interventional

Treatment of Refractory Infantile Spasms With Fenfluramine

NCT04289467
View directory record Official record
Conditions
Infantile Spasm
Interventions
Fenfluramine
Drug
Lead sponsor
Children's Hospital of Orange County
Other
Eligibility
12 Months to 36 Months
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2026
U.S. locations
2
States / cities
Los Angeles, California • Orange, California
Source: ClinicalTrials.gov public record
Updated Apr 14, 2026 · Synced Sep 22, 2026, 8:11 PM 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 28, 2025 · Synced Sep 22, 2026, 8:11 PM 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 7, 2021 · Synced Sep 22, 2026, 8:11 PM EDT
Completed Phase 2 Interventional Results available

(Hyoscine Butylbromide) for Abdominal Pain Associated With Cramping on Demand Basis

NCT00932737
View directory record Official record
Conditions
Abdominal Pain
Interventions
Placebo, HBB 20 mg
Drug
Lead sponsor
Boehringer Ingelheim
Industry
Eligibility
18 Years and older
Enrollment
197 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2009 – 2010
U.S. locations
19
States / cities
Westlake Village, California • Hollywood, Florida • Jupiter, Florida + 14 more
Source: ClinicalTrials.gov public record
Updated May 2, 2022 · Synced Sep 22, 2026, 8:11 PM EDT
Withdrawn Not applicable Interventional

Peroral Endoscopic Myotomy Versus Botulinum Toxin Injection in Spastic Esophageal Disorders

NCT02663206
View directory record Official record
Conditions
Esophageal Achalasia, Esophageal Spasm, Diffuse, Esophageal Motility Disorders
Interventions
peroral endoscopic myotomy, Botulinum toxin injection
Procedure
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years to 80 Years
Healthy volunteers
Healthy volunteers not accepted
Timeline
2016 – 2020
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Jan 11, 2018 · Synced Sep 22, 2026, 8:11 PM EDT
Completed Phase 3 Interventional Results available

Open-label Extension Evaluating Methylphenidate Hydrochloride Extended Release in Adults With Attention Deficit/Hyperactivity Disorder

NCT01338818
View directory record Official record
Conditions
Attention Deficit/Hyperactivity Disorder
Interventions
Ritalin LA (methylphenidate hydrochloride extended release)
Drug
Lead sponsor
Novartis Pharmaceuticals
Industry
Eligibility
18 Years to 60 Years
Enrollment
299 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2013
U.S. locations
16
States / cities
Little Rock, Arkansas • Beverly Hills, California • Spring Valley, California + 12 more
Source: ClinicalTrials.gov public record
Updated Nov 23, 2014 · Synced Sep 22, 2026, 8:11 PM EDT
Completed Phase 2 Interventional Results available

Magnesium for Peroral Endoscopic Myotomy

NCT04638881
View directory record Official record
Conditions
Esophageal Spasm
Interventions
Magnesium sulfate, Normal Saline
Drug
Lead sponsor
Stanford University
Other
Eligibility
18 Years and older
Enrollment
92 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2020 – 2023
U.S. locations
1
States / cities
Stanford, California
Source: ClinicalTrials.gov public record
Updated May 20, 2024 · Synced Sep 22, 2026, 8:11 PM EDT
Completed Phase 4 Interventional Results available

Guanfacine for the Treatment of Hyperactivity in Pervasive Developmental Disorder

NCT01238575
View directory record Official record
Conditions
Pervasive Development Disorders
Interventions
placebo, extended-release guanfacine
Other · Drug
Lead sponsor
Yale University
Other
Eligibility
5 Years to 14 Years
Enrollment
62 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2011 – 2014
U.S. locations
5
States / cities
Los Angeles, California • New Haven, Connecticut • Atlanta, Georgia + 2 more
Source: ClinicalTrials.gov public record
Updated Mar 30, 2020 · Synced Sep 22, 2026, 8:11 PM 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 13, 2015 · Synced Sep 22, 2026, 8:11 PM EDT
Completed No phase listed Observational Accepts healthy volunteers

Long-Term Motor Learning in Focal Hand Dystonia

NCT00325091
View directory record Official record
Conditions
Focal Hand Dystonia
Interventions
Not listed
Lead sponsor
National Institute of Neurological Disorders and Stroke (NINDS)
NIH
Eligibility
18 Years and older
Enrollment
19 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2006 – 2014
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Dec 16, 2019 · Synced Sep 22, 2026, 8:11 PM EDT
Completed Not applicable Interventional

Caregiver Implementation Strategies Field Pre-Test

NCT06770036
View directory record Official record
Conditions
Attention Deficit Hyperactivity Disorder Symptoms
Interventions
Implementation Resource Package for Caregivers
Behavioral
Lead sponsor
Children's Hospital of Philadelphia
Other
Eligibility
4 Years and older
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Philadelphia, Pennsylvania
Source: ClinicalTrials.gov public record
Updated Jan 25, 2026 · Synced Sep 22, 2026, 8:11 PM EDT
Completed Phase 1Phase 2 Interventional Results available

Pilot Trial of Botulinum Toxin and Occupational Therapy for Writer's Cramp

NCT02015039
View directory record Official record
Conditions
Dystonia
Interventions
BoNT Injections, Occupational Therapy
Drug · Procedure
Lead sponsor
National Institute of Neurological Disorders and Stroke (NINDS)
NIH
Eligibility
18 Years to 100 Years
Enrollment
13 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2016
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 19, 2018 · Synced Sep 22, 2026, 8:11 PM EDT
Not listed Phase 2 Interventional

Endolumenal Partial Myotomy for Esophageal Motility Disorders

NCT01302301
View directory record Official record
Conditions
Esophageal Motility Disorders
Interventions
Per oral endolumenal myotomy
Procedure
Lead sponsor
The Oregon Clinic
Other
Eligibility
18 Years to 85 Years
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
Started 2011
U.S. locations
1
States / cities
Portland, Oregon
Source: ClinicalTrials.gov public record
Updated Feb 27, 2011 · Synced Sep 22, 2026, 8:11 PM EDT