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ClinicalTrials.gov public records Last synced Oct 18, 2026, 6:27 AM EDT

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Showing 1–24 of 39 matching trials from the live ClinicalTrials.gov search.
Filters: Condition: Muscle Stiffness Clear all
Completed Phase 3 Interventional Results available

A Safety and Efficacy Study of Xyrem® in Subjects With Fibromyalgia

NCT00371137
View directory record Official record
Conditions
Fibromyalgia
Interventions
Xyrem®, Placebo
Drug
Lead sponsor
Jazz Pharmaceuticals
Industry
Eligibility
18 Years and older
Enrollment
548 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2008
U.S. locations
70
States / cities
Anniston, Alabama • Huntsville, Alabama • Phoenix, Arizona + 60 more
Source: ClinicalTrials.gov public record
Updated Dec 29, 2011 · Synced Oct 18, 2026, 6:27 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 2, 2018 · Synced Oct 18, 2026, 6:27 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 22, 2020 · Synced Oct 18, 2026, 6:27 AM EDT
Not listed Not applicable Interventional Accepts healthy volunteers

The Influences of Single Chamber vs. Multi-chamber Blood Flow Restriction Cuffs

NCT06276673
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
35 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2024
U.S. locations
1
States / cities
Salisbury, Maryland
Source: ClinicalTrials.gov public record
Updated Feb 26, 2024 · Synced Oct 18, 2026, 6:27 AM EDT
Terminated Not applicable Interventional Accepts healthy volunteers

Resistance Training and Cardiometabolic Health

NCT03325933
View directory record Official record
Conditions
Insulin Sensitivity, Endothelial Dysfunction, Blood Pressure
Interventions
High Load/Low Rep Resistance Training, Low Load/High Rep Resistance Training
Other
Lead sponsor
Arizona State University
Other
Eligibility
18 Years to 55 Years
Enrollment
62 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2017 – 2020
U.S. locations
1
States / cities
Phoenix, Arizona
Source: ClinicalTrials.gov public record
Updated Apr 19, 2021 · Synced Oct 18, 2026, 6:27 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 – 2027
U.S. locations
1
States / cities
Baltimore, Maryland
Source: ClinicalTrials.gov public record
Updated Jun 30, 2026 · Synced Oct 18, 2026, 6:27 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 7, 2022 · Synced Oct 18, 2026, 6:27 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 21, 2026 · Synced Oct 18, 2026, 6:27 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 24, 2020 · Synced Oct 18, 2026, 6:27 AM EDT
Not yet recruiting Not applicable Interventional

The Effect of Vagus Nerve Stimulation on Pain and Functional Activities in Individuals With Chronic Widespread Pain

NCT07080749
View directory record Official record
Conditions
Widspread Chronic Pain, Fibromyalgia
Interventions
Vagal nerve stimulation through deep exhalation exercise, Vagal nerve stimulation through ear electrical stimulation, No intervention (observational study)
Other
Lead sponsor
University of North Georgia
Other
Eligibility
18 Years and older
Enrollment
100 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2025 – 2026
U.S. locations
1
States / cities
Dahlonega, Georgia
Source: ClinicalTrials.gov public record
Updated Jul 23, 2025 · Synced Oct 18, 2026, 6:27 AM EDT
Not yet recruiting Not applicable Interventional

Inspiratory Muscle Strength Training in Adults With Type 1 Diabetes

NCT07859943
View directory record Official record
Conditions
Type 1 Diabetes
Interventions
High-Resistance Inspiratory Muscle Strength Training, Sham Inspiratory Muscle Strength Training
Device
Lead sponsor
Florida State University
Other
Eligibility
18 Years to 35 Years
Enrollment
30 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2027 – 2028
U.S. locations
2
States / cities
Tallahassee, Florida
Source: ClinicalTrials.gov public record
Updated Oct 8, 2026 · Synced Oct 18, 2026, 6:27 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 30, 2012 · Synced Oct 18, 2026, 6:27 AM EDT
Completed Not applicable Interventional

Strive Cardio for Endometrial Cancer Survivors

NCT06534008
View directory record Official record
Conditions
Endometrial Cancer, Cardiovascular Diseases
Interventions
12-week home-based exercise intervention
Behavioral
Lead sponsor
Jess S. Gorzelitz
Other
Eligibility
18 Years and older · Female only
Enrollment
33 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2024 – 2025
U.S. locations
1
States / cities
Iowa City, Iowa
Source: ClinicalTrials.gov public record
Updated Nov 20, 2025 · Synced Oct 18, 2026, 6:27 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 7, 2022 · Synced Oct 18, 2026, 6:27 AM EDT
Completed Phase 3 Interventional Results available

A Safety and Efficacy Study of Xyrem® (Sodium Oxybate) to Treat Fibromyalgia.

NCT00423813
View directory record Official record
Conditions
Fibromyalgia
Interventions
placebo, Xyrem®
Drug
Lead sponsor
Jazz Pharmaceuticals
Industry
Eligibility
18 Years and older
Enrollment
573 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2006 – 2009
U.S. locations
71
States / cities
Auburn, Alabama • Birmingham, Alabama • Montgomery, Alabama + 61 more
Source: ClinicalTrials.gov public record
Updated Jan 24, 2012 · Synced Oct 18, 2026, 6:27 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 9, 2014 · Synced Oct 18, 2026, 6:27 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 9, 2022 · Synced Oct 18, 2026, 6:27 AM EDT
Not listed 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 Jul 1, 2024 · Synced Oct 18, 2026, 6:27 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 10, 2025 · Synced Oct 18, 2026, 6:27 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 22, 2016 · Synced Oct 18, 2026, 6:27 AM EDT
Recruiting Not applicable Interventional Accepts healthy volunteers

Effects of Eggshell Membrane and Curcumin Extract Supplementation, Separately or Combined, on Recovery From Intense Exercise

NCT07766720
View directory record Official record
Conditions
Exercise-induced Muscle Soreness, Exercise-induced Joint Pain, Exercise-induced Joint Stiffness, Exercise-induced Cartilage Turnover
Interventions
NEM® brand eggshell membrane powder, curQ+® brand highly absorbable curcumin, EM Placebo, Curc Placebo, NEM® plus curQ+® combination
Dietary Supplement
Lead sponsor
ESM Technologies, LLC
Industry
Eligibility
18 Years to 40 Years · Male only
Enrollment
60 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2026
U.S. locations
1
States / cities
College Station, Texas
Source: ClinicalTrials.gov public record
Updated Aug 14, 2026 · Synced Oct 18, 2026, 6:27 AM EDT
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 Jan 1, 2025 · Synced Oct 18, 2026, 6:27 AM EDT
Completed No phase listed Observational

Screening and Natural History: Primary Lateral Sclerosis and Related Disorders

NCT00015444
View directory record Official record
Conditions
Primary Lateral Sclerosis
Interventions
Not listed
Lead sponsor
National Institute of Neurological Disorders and Stroke (NINDS)
NIH
Eligibility
18 Years and older
Enrollment
189 participants
Healthy volunteers
Healthy volunteers not accepted
Timeline
2001 – 2019
U.S. locations
1
States / cities
Bethesda, Maryland
Source: ClinicalTrials.gov public record
Updated Dec 16, 2019 · Synced Oct 18, 2026, 6:27 AM EDT
Completed Not applicable Interventional Accepts healthy volunteers

Power or Plyometric Training in Older Adults

NCT06821321
View directory record Official record
Conditions
Activity, Motor
Interventions
Plyometric Training, Power Training
Behavioral
Lead sponsor
University of Miami
Other
Eligibility
55 Years to 90 Years
Enrollment
48 participants
Healthy volunteers
Accepts healthy volunteers
Timeline
2025
U.S. locations
1
States / cities
Coral Gables, Florida
Source: ClinicalTrials.gov public record
Updated Apr 22, 2026 · Synced Oct 18, 2026, 6:27 AM EDT