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Showing 1–24 of 36 matching trials from the live ClinicalTrials.gov search.
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Filters: Condition: Muscle Stiffness Clear all
Completed Not applicable Interventional Accepts healthy volunteers

The Influences of Single Chamber Vs. Multi-chamber Blood Flow Restriction Cuffs with Bicep Curls

NCT06754618
View directory record Official record
Conditions
Blood Vessel Disease, Muscle Edema
Interventions
Delfi
Device
Lead sponsor
Salisbury University
Other
Eligibility
18 Years to 40 Years
Enrollment
26 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024
U.S. locations
1
States / cities
Salisbury, Maryland
Source: ClinicalTrials.gov public record
Updated Dec 31, 2024 · Synced Jun 11, 2026, 12:51 AM EDT
Completed Phase 2 Interventional Accepts healthy volunteers Results available

Blood Flow and Vascular Function in Cystic Fibrosis

NCT02057458
View directory record Official record
Conditions
Cystic Fibrosis
Interventions
Sildenafil (Acute-1 hour), Sildenafil (Subchronic-4 weeks), Placebo
Drug
Lead sponsor
Augusta University
Other
Eligibility
18 Years and older
Enrollment
19 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2018
U.S. locations
1
States / cities
Augusta, Georgia
Source: ClinicalTrials.gov public record
Updated Apr 23, 2020 · Synced Jun 11, 2026, 12:51 AM EDT
Not listed Not applicable Interventional

The Effect of an Individualized Impairment-based, Orthopedic Physical Therapy Intervention (IOI), on Muscle Stiffness, Pelvic Floor Function, and Pain in Women With Chronic Pelvic Pain

NCT04851730
View directory record Official record
Conditions
Pelvic Pain, Chronic Pain, Muscle Tightness
Interventions
Orthopedic Physical Therapy Intervention, Dry Needling
Procedure · Device
Lead sponsor
Texas Woman's University
Other
Eligibility
18 Years to 50 Years · Female only
Enrollment
15 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021
U.S. locations
1
States / cities
Lee's Summit, Missouri
Source: ClinicalTrials.gov public record
Updated Apr 19, 2021 · Synced Jun 11, 2026, 12:51 AM EDT
Active, not recruiting Not applicable Interventional Accepts healthy volunteers

Effects of Dry Needling the Calf Muscles on Biomechanics and Muscle Function in Individuals With Restricted Dorsiflexion

NCT07474948
View directory record Official record
Conditions
Ankle Stiffness
Interventions
Dry needling
Procedure
Lead sponsor
University of Dayton
Other
Eligibility
18 Years to 40 Years
Enrollment
40 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026 – 2028
U.S. locations
1
States / cities
Dayton, Ohio
Source: ClinicalTrials.gov public record
Updated Mar 15, 2026 · Synced Jun 11, 2026, 12:51 AM EDT
Completed Not applicable Interventional

Exploring Advanced Imaging Techniques to Characterize Botulinum Toxin Diffusion in Human Muscle

NCT01412008
View directory record Official record
Conditions
Stroke, Muscle Spasticity
Interventions
Botox (botulinum toxin)
Drug
Lead sponsor
New York Presbyterian Hospital
Other
Eligibility
18 Years to 80 Years
Enrollment
5 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2010 – 2012
U.S. locations
1
States / cities
New York, New York
Source: ClinicalTrials.gov public record
Updated Sep 30, 2013 · Synced Jun 11, 2026, 12:51 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Immediate Decrease of Muscle Biomechanical Stiffness Following Dry Needling in Asymptomatic Participants

NCT04864704
View directory record Official record
Conditions
Healthy
Interventions
dry needling
Other
Lead sponsor
Bradley University
Other
Eligibility
18 Years to 65 Years
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2014 – 2015
U.S. locations
1
States / cities
Peoria, Illinois
Source: ClinicalTrials.gov public record
Updated Apr 28, 2021 · Synced Jun 11, 2026, 12:51 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

The Effect of Dry Needling on Muscle Stiffness, Gait, Motion, and Strength in Healthy Individuals With Trigger Points

NCT03689283
View directory record Official record
Conditions
Trigger Point Pain, Myofascial
Interventions
Dry Needling, Sham Dry Needlling
Other
Lead sponsor
Regis University
Other
Eligibility
18 Years to 50 Years
Enrollment
102 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2020
U.S. locations
1
States / cities
Denver, Colorado
Source: ClinicalTrials.gov public record
Updated Jan 21, 2020 · Synced Jun 11, 2026, 12:51 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers Results available

7 Tesla MRI Study in Patients With Statin Related Muscle Complaints

NCT04575090
View directory record Official record
Conditions
Statin-related Muscle Pain, Muscle Aches, Muscle Weakness, Muscle Cramp, Muscle Stiffness
Interventions
Simvastatin
Drug
Lead sponsor
University of Texas Southwestern Medical Center
Other
Eligibility
18 Years to 80 Years
Enrollment
8 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2016 – 2021
U.S. locations
1
States / cities
Dallas, Texas
Source: ClinicalTrials.gov public record
Updated Oct 30, 2022 · Synced Jun 11, 2026, 12:51 AM EDT
Terminated Phase 2 Interventional Accepts healthy volunteers Results available

Inflammation Inhibition in Prediabetic Humans

NCT01977417
View directory record Official record
Conditions
Prediabetes, Obese
Interventions
Salsalate, Placebo
Drug
Lead sponsor
Gary L. Pierce
Other
Eligibility
18 Years to 79 Years
Enrollment
21 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2012 – 2021
U.S. locations
1
States / cities
Iowa City, Iowa
Source: ClinicalTrials.gov public record
Updated Sep 10, 2023 · Synced Jun 11, 2026, 12:51 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effect of Limb Occlusion Pressure Attainment on Cardiovascular, Perceptual, and Performance Responses

NCT06718582
View directory record Official record
Conditions
Blood Flow Restriction (BFR) Training Effects, Arterial Stiffness, Blood Pressure, Muscle Morphology, Perceptions
Interventions
Delfi Training Device
Device
Lead sponsor
Teri Herberger
Other
Eligibility
18 Years to 40 Years
Enrollment
27 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025
U.S. locations
1
States / cities
Salisbury, Maryland
Source: ClinicalTrials.gov public record
Updated Oct 9, 2025 · Synced Jun 11, 2026, 12:51 AM EDT
Active, not recruiting Phase 2 Interventional

Peripheral Modulation of Muscle Stiffness and Spasticity

NCT03306615
View directory record Official record
Conditions
Muscle Spasticity
Interventions
Hyaluronidase, Placebo
Drug
Lead sponsor
Johns Hopkins University
Other
Eligibility
18 Years and older
Enrollment
56 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2021 – 2026
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Mar 8, 2026 · Synced Jun 11, 2026, 12:51 AM EDT
Completed Phase 1Phase 2 Interventional Accepts healthy volunteers

L-citrulline Supplementation, Cold Exposure, & Post-Exercise Muscle Ischemia

NCT02104375
View directory record Official record
Conditions
Hypertension
Interventions
L-citrulline
Dietary Supplement
Lead sponsor
Florida State University
Other
Eligibility
18 Years to 35 Years · Male only
Enrollment
16 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2014
U.S. locations
1
States / cities
Tallahassee, Florida
Source: ClinicalTrials.gov public record
Updated Mar 9, 2015 · Synced Jun 11, 2026, 12:51 AM EDT
Completed Phase 1 Interventional

Intravenous Immunoglobulin (IVIg) for the Treatment of Stiff-Man Syndrome (SMS)

NCT00001550
View directory record Official record
Conditions
Muscle Rigidity, Spasm, Stiff Man Syndrome
Interventions
IVIg
Drug
Lead sponsor
National Institute of Neurological Disorders and Stroke (NINDS)
NIH
Eligibility
Not listed
Enrollment
20 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
1996 – 2002
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Jul 13, 2006 · Synced Jun 11, 2026, 12:51 AM EDT
Completed Early Phase 1 Interventional

Kinesio Taping Effectiveness on Idiopathic Toe Walking

NCT02025582
View directory record Official record
Conditions
Idiopathic Toe Walking
Interventions
Kinesio Tape of the Ankle
Device
Lead sponsor
Mayo Clinic
Other
Eligibility
3 Years to 10 Years
Enrollment
10 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2013 – 2016
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Apr 21, 2016 · Synced Jun 11, 2026, 12:51 AM EDT
Completed No phase listed Observational Accepts healthy volunteers

Vascular Function and Uterine Fibroids

NCT02123069
View directory record Official record
Conditions
Leiomyoma
Interventions
Brachial artery catheter, Acetylcholine, Nitroprusside, Norepinephrine, Nitroprusside and phenylephrine
Device · Drug
Lead sponsor
Mayo Clinic
Other
Eligibility
25 Years to 50 Years · Female only
Enrollment
28 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2013 – 2018
U.S. locations
1
States / cities
Rochester, Minnesota
Source: ClinicalTrials.gov public record
Updated Mar 1, 2018 · Synced Jun 11, 2026, 12:51 AM EDT
Completed Phase 3 Interventional Results available

S0927:Omega3-Fatty Acid Supp in Treating Muscle&Bone Pain&Stiffness in Pts W/Stg I,II,III Brst Canc Rec'v Hormone Thpy

NCT01385137
View directory record Official record
Conditions
Arthralgia, Breast Cancer, Pain
Interventions
omega-3 fatty acid, placebo
Dietary Supplement · Other
Lead sponsor
SWOG Cancer Research Network
Network
Eligibility
18 Years to 120 Years · Female only
Enrollment
262 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2012 – 2014
U.S. locations
292
States / cities
Mobile, Alabama • Anchorage, Alaska • Fairbanks, Alaska + 215 more
Source: ClinicalTrials.gov public record
Updated Apr 6, 2017 · Synced Jun 11, 2026, 12:51 AM EDT
Completed Not applicable Interventional Results available

High-intensity Inspiratory Muscle Training as a Pre-cardiac Rehabilitation in Heart Disease

NCT06127147
View directory record Official record
Conditions
Coronary Artery Bypass Graft, CABG
Interventions
IMT, Sham-IMT
Device
Lead sponsor
University of Illinois at Chicago
Other
Eligibility
18 Years and older
Enrollment
11 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2023 – 2024
U.S. locations
2
States / cities
Chicago, Illinois
Source: ClinicalTrials.gov public record
Updated Jan 20, 2026 · Synced Jun 11, 2026, 12:51 AM EDT
Completed Phase 3 Interventional Results available

Safety and Efficacy Study of Xyrem® (Sodium Oxybate) in Subjects With Fibromyalgia.

NCT00423605
View directory record Official record
Conditions
Fibromyalgia
Interventions
Xyrem®
Drug
Lead sponsor
Jazz Pharmaceuticals
Industry
Eligibility
18 Years and older
Enrollment
560 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2010
U.S. locations
66
States / cities
Anniston, Alabama • Auburn, Alabama • Phoenix, Arizona + 60 more
Source: ClinicalTrials.gov public record
Updated Mar 29, 2012 · Synced Jun 11, 2026, 12:51 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Effects of Roller Massage on Short-Term Passive Muscle Stiffness

NCT04571034
View directory record Official record
Conditions
Muscle Tightness
Interventions
Sham Therapeutic Ultrasound, Medium-Intensity Roller Massage, High-Intensity Roller Massage
Procedure
Lead sponsor
Jeffrey Sykora
Other
Eligibility
18 Years to 30 Years
Enrollment
48 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021
U.S. locations
1
States / cities
Lexington, Kentucky
Source: ClinicalTrials.gov public record
Updated Dec 8, 2022 · Synced Jun 11, 2026, 12:51 AM EDT
Recruiting Early Phase 1 Interventional

Neuromodulation to Reduce Muscle Stiffness Following Spinal Cord Injury

NCT06274021
View directory record Official record
Conditions
Spinal Cord Injuries, Spinal Cord Injury, Spinal Cord Injury Cervical, Spinal Cord Injury Thoracic
Interventions
Transcutaneous spinal stimulation at 100 Hz, Transcutaneous spinal stimulation at 50 Hz, Transcutaneous spinal stimulation at 50 Hz and single dose of baclofen, Transcutaneous spinal stimulation at 50 Hz and single dose of tizanidine, Sham transcutaneous spinal stimulation
Device · Combination Product
Lead sponsor
University of Mississippi Medical Center
Other
Eligibility
18 Years and older
Enrollment
16 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
2
States / cities
Jackson, Mississippi
Source: ClinicalTrials.gov public record
Updated Jun 30, 2024 · Synced Jun 11, 2026, 12:51 AM EDT
Completed Phase 3 Interventional Results available

Effects of Losartan Versus Atenolol on Aortic and Cardiac Muscle Stiffness in Adults With Marfan Syndrome

NCT00723801
View directory record Official record
Conditions
Marfan Syndrome
Interventions
Atenolol, Losartan
Drug
Lead sponsor
Brigham and Women's Hospital
Other
Eligibility
25 Years and older
Enrollment
40 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2007 – 2012
U.S. locations
1
States / cities
Boston, Massachusetts
Source: ClinicalTrials.gov public record
Updated Sep 8, 2014 · Synced Jun 11, 2026, 12:51 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

The Effect of Counterstrain Technique on Muscle Stiffness and Pain on Trapezius Tender Points in Medical Students

NCT05226611
View directory record Official record
Conditions
Counterstrain, MyotonPRO, Tender Points
Interventions
Counterstrain
Other
Lead sponsor
New York Institute of Technology
Other
Eligibility
Not listed
Enrollment
27 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2021
U.S. locations
1
States / cities
Glen Head, New York
Source: ClinicalTrials.gov public record
Updated Feb 6, 2022 · Synced Jun 11, 2026, 12:51 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

8 Weeks of L-CIT Supplementation and LIRET on Vascular Function in Hypertensive Postmenopausal Women

NCT05227781
View directory record Official record
Conditions
Hypertension, Menopause
Interventions
L-Citrulline, Placebo
Dietary Supplement
Lead sponsor
Texas Tech University
Other
Eligibility
50 Years to 75 Years · Female only
Enrollment
29 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2018 – 2022
U.S. locations
1
States / cities
Lubbock, Texas
Source: ClinicalTrials.gov public record
Updated Feb 6, 2022 · Synced Jun 11, 2026, 12:51 AM EDT
Completed Early Phase 1 Interventional Results available

Testing an Adjustable Ankle Orthosis During Walking in Cerebral Palsy

NCT06262191
View directory record Official record
Conditions
Cerebral Palsy
Interventions
Differential and adjustable stiffness AFO (DAS-AFO)
Device
Lead sponsor
Northern Arizona University
Other
Eligibility
8 Years to 35 Years
Enrollment
11 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024
U.S. locations
1
States / cities
Flagstaff, Arizona
Source: ClinicalTrials.gov public record
Updated May 24, 2025 · Synced Jun 11, 2026, 12:51 AM EDT