{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Muscle+Tightness&page=2",
    "query": {
      "condition": "Muscle Tightness",
      "page": 2
    },
    "page_size": 10
  },
  "pagination": {
    "page": 2,
    "page_size": 10,
    "total_count": 10,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Muscle+Tightness&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-05-22T09:04:57.288Z",
  "attribution": "Data derived from public ClinicalTrials.gov records. The official record at https://clinicaltrials.gov/ remains the source of truth for current availability, contacts, and full study details.",
  "notes": [
    "This endpoint exposes only public summary fields — no participant contact emails, phone numbers, or scraped investigator contact details.",
    "For contact information and full protocol detail, follow each trial's `official_url` to the ClinicalTrials.gov record.",
    "This API is a navigational aid. It does not provide medical advice, eligibility determinations, or compensation guarantees."
  ],
  "trials": [
    {
      "nct_id": "NCT07176988",
      "title": "Deconstructing Voice Therapy: Towards Enhanced Communication Outcomes",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Dysphonia",
        "Primary Muscle Tension Dysphonia (MTD)"
      ],
      "interventions": [
        {
          "name": "Hierarchical method",
          "type": "OTHER"
        },
        {
          "name": "Non Hierarchical method",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Emory University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "16 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "16 Years to 65 Years"
      },
      "enrollment_count": 120,
      "start_date": "2025-09-03",
      "completion_date": "2029-04",
      "has_results": false,
      "last_update_posted_date": "2025-10-20",
      "last_synced_at": "2026-05-22T09:04:57.288Z",
      "location_count": 1,
      "location_summary": "Atlanta, Georgia",
      "locations": [
        {
          "city": "Atlanta",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07176988"
    },
    {
      "nct_id": "NCT00055549",
      "title": "Dextromethorphan to Treat Patients With Voice Spasms",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Voice Disorders"
      ],
      "interventions": [
        {
          "name": "Dextromethorphan",
          "type": "DRUG"
        },
        {
          "name": "Lorazepam",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "National Institute of Neurological Disorders and Stroke (NINDS)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "18 Years to 80 Years"
      },
      "enrollment_count": 65,
      "start_date": "2003-03-04",
      "completion_date": "2009-11-13",
      "has_results": false,
      "last_update_posted_date": "2017-07-02",
      "last_synced_at": "2026-05-22T09:04:57.288Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00055549"
    },
    {
      "nct_id": "NCT07094971",
      "title": "Pure Impact Treatment to Strengthen and Tone Abdomen, Quadriceps and Glutes Muscles",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Muscle Tone",
        "Muscle Strength"
      ],
      "interventions": [
        {
          "name": "Pure Impact",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Sofwave Medical LTD",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "25 Years",
        "maximum_age": "60 Years",
        "sex": "ALL",
        "summary": "25 Years to 60 Years"
      },
      "enrollment_count": 44,
      "start_date": "2025-07-11",
      "completion_date": "2026-07-10",
      "has_results": false,
      "last_update_posted_date": "2025-08-03",
      "last_synced_at": "2026-05-22T09:04:57.288Z",
      "location_count": 1,
      "location_summary": "Eugene, Oregon",
      "locations": [
        {
          "city": "Eugene",
          "state": "Oregon"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07094971"
    },
    {
      "nct_id": "NCT04766658",
      "title": "A Study to Evaluate Effects of Gargle Phonation in Voice",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Voice Disorders",
        "Muscle Tension Dysphonia",
        "Speech Therapy"
      ],
      "interventions": [
        {
          "name": "Gargle Phonation",
          "type": "OTHER"
        },
        {
          "name": "Water swallow",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Mayo Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "89 Years",
        "sex": "ALL",
        "summary": "18 Years to 89 Years"
      },
      "enrollment_count": 36,
      "start_date": "2021-01-29",
      "completion_date": "2021-04-15",
      "has_results": false,
      "last_update_posted_date": "2022-10-19",
      "last_synced_at": "2026-05-22T09:04:57.288Z",
      "location_count": 2,
      "location_summary": "Scottsdale, Arizona • Rochester, Minnesota",
      "locations": [
        {
          "city": "Scottsdale",
          "state": "Arizona"
        },
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04766658"
    },
    {
      "nct_id": "NCT02074150",
      "title": "ASIS for Botox in Upper Limb Spasticity",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Upper Limb Spasticity Unilaterally in Adults With History of Stroke",
        "Increased Muscle Tone in Elbow, Wrist, Finger, and Thumb Flexors."
      ],
      "interventions": [
        {
          "name": "Gadolinium",
          "type": "DRUG"
        },
        {
          "name": "Efficacy of Botox intramuscularly at Week 6",
          "type": "DRUG"
        },
        {
          "name": "Efficacy of Botox intramuscularly at Week 12,",
          "type": "DRUG"
        },
        {
          "name": "Efficacy of Botox intramuscularly at Week 18",
          "type": "DRUG"
        },
        {
          "name": "Efficacy of Botox intramuscularly at Week 24",
          "type": "DRUG"
        },
        {
          "name": "Efficacy of Botox intramuscularly at Week 30",
          "type": "DRUG"
        },
        {
          "name": "Efficacy of Botox subdermally at Week 6",
          "type": "DRUG"
        },
        {
          "name": "Efficacy of Botox subdermally at Week 12",
          "type": "DRUG"
        },
        {
          "name": "Efficacy of Botox subdermally at Week 18",
          "type": "DRUG"
        },
        {
          "name": "Efficacy of Botox subdermally at Week 24",
          "type": "DRUG"
        },
        {
          "name": "Efficacy of Botox subdermally at Week 30",
          "type": "DRUG"
        },
        {
          "name": "Adverse Reactions of Botox intramuscularly",
          "type": "DRUG"
        },
        {
          "name": "Adverse Reactions of Botox subdermally",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "li nguyen",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 60,
      "start_date": "2016-01",
      "completion_date": "2017-06",
      "has_results": false,
      "last_update_posted_date": "2015-06-24",
      "last_synced_at": "2026-05-22T09:04:57.288Z",
      "location_count": 1,
      "location_summary": "Westminster, California",
      "locations": [
        {
          "city": "Westminster",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02074150"
    },
    {
      "nct_id": "NCT01127399",
      "title": "Bariatric and Obstructive Lung Disease Study II",
      "overall_status": "TERMINATED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Obesity",
        "Asthma"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Johns Hopkins University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 40,
      "start_date": "2009-09",
      "completion_date": "2011-06",
      "has_results": false,
      "last_update_posted_date": "2018-02-05",
      "last_synced_at": "2026-05-22T09:04:57.288Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01127399"
    },
    {
      "nct_id": "NCT04571034",
      "title": "Effects of Roller Massage on Short-Term Passive Muscle Stiffness",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Muscle Tightness"
      ],
      "interventions": [
        {
          "name": "Sham Therapeutic Ultrasound",
          "type": "PROCEDURE"
        },
        {
          "name": "Medium-Intensity Roller Massage",
          "type": "PROCEDURE"
        },
        {
          "name": "High-Intensity Roller Massage",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Jeffrey Sykora",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "30 Years",
        "sex": "ALL",
        "summary": "18 Years to 30 Years"
      },
      "enrollment_count": 48,
      "start_date": "2021-02-09",
      "completion_date": "2021-07-13",
      "has_results": false,
      "last_update_posted_date": "2022-12-09",
      "last_synced_at": "2026-05-22T09:04:57.288Z",
      "location_count": 1,
      "location_summary": "Lexington, Kentucky",
      "locations": [
        {
          "city": "Lexington",
          "state": "Kentucky"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04571034"
    },
    {
      "nct_id": "NCT01419444",
      "title": "Telemedicine Versus Traditional Treatment of Muscle Tension Dysphonia",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Muscle Tension Dysphonia"
      ],
      "interventions": [
        {
          "name": "Airflow Exercises for Voicing",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Arkansas",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "21 Years and older"
      },
      "enrollment_count": 14,
      "start_date": "2011-08",
      "completion_date": "2013-08",
      "has_results": false,
      "last_update_posted_date": "2013-12-18",
      "last_synced_at": "2026-05-22T09:04:57.288Z",
      "location_count": 1,
      "location_summary": "Little Rock, Arkansas",
      "locations": [
        {
          "city": "Little Rock",
          "state": "Arkansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01419444"
    },
    {
      "nct_id": "NCT01988207",
      "title": "Treating Laryngeal Hyperfunction With Flow Phonation",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Muscle Tension Dysphonia"
      ],
      "interventions": [
        {
          "name": "Vocal Hygiene Training",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Flow Phonation Exercises",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "University of Central Arkansas",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "55 Years",
        "sex": "ALL",
        "summary": "18 Years to 55 Years"
      },
      "enrollment_count": 60,
      "start_date": "2013-12",
      "completion_date": "2016-11",
      "has_results": false,
      "last_update_posted_date": "2013-11-20",
      "last_synced_at": "2026-05-22T09:04:57.288Z",
      "location_count": 1,
      "location_summary": "Conway, Arkansas",
      "locations": [
        {
          "city": "Conway",
          "state": "Arkansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01988207"
    },
    {
      "nct_id": "NCT03983304",
      "title": "EMS for Abdominal and Gluteal Muscle Toning",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Non-Therapeutic Body Modification"
      ],
      "interventions": [
        {
          "name": "The ZELTIQ EMS System",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Zeltiq Aesthetics",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "22 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "22 Years to 65 Years"
      },
      "enrollment_count": 110,
      "start_date": "2019-05-10",
      "completion_date": "2020-05-01",
      "has_results": true,
      "last_update_posted_date": "2025-05-16",
      "last_synced_at": "2026-05-22T09:04:57.288Z",
      "location_count": 8,
      "location_summary": "Marina del Rey, California • Pleasanton, California • San Diego, California + 5 more",
      "locations": [
        {
          "city": "Marina del Rey",
          "state": "California"
        },
        {
          "city": "Pleasanton",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "Miami",
          "state": "Florida"
        },
        {
          "city": "Shreveport",
          "state": "Louisiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03983304"
    }
  ]
}