{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Muscle+ultrasound&page=3",
    "query": {
      "intervention": "Muscle ultrasound",
      "page": 3
    },
    "page_size": 10
  },
  "pagination": {
    "page": 3,
    "page_size": 10,
    "total_count": 241,
    "total_pages": 25,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Muscle+ultrasound&page=4&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Muscle+ultrasound&page=2&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-11T13:57:30.529Z",
  "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": "NCT04508504",
      "title": "PENG Block for Arthroscopic Hip Surgery",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Postoperative Pain",
        "Hip Arthroscopy"
      ],
      "interventions": [
        {
          "name": "Preop PENG block",
          "type": "PROCEDURE"
        },
        {
          "name": "Placebo block",
          "type": "PROCEDURE"
        },
        {
          "name": "Ropivacaine 0.5% Injectable Solution",
          "type": "DRUG"
        },
        {
          "name": "Normal Saline",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "DRUG"
      ],
      "sponsor": "University of Virginia",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 70,
      "start_date": "2020-12-01",
      "completion_date": "2022-02-08",
      "has_results": false,
      "last_update_posted_date": "2022-03-25",
      "last_synced_at": "2026-10-11T13:57:30.529Z",
      "location_count": 1,
      "location_summary": "Charlottesville, Virginia",
      "locations": [
        {
          "city": "Charlottesville",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04508504"
    },
    {
      "nct_id": "NCT03922139",
      "title": "Botox for the Treatment of Chronic Exertional Compartment Syndrome",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Compartment Syndrome of Leg"
      ],
      "interventions": [
        {
          "name": "OnabotulinumtoxinA Injection",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Wisconsin, Madison",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 7,
      "start_date": "2019-10-08",
      "completion_date": "2021-12-15",
      "has_results": true,
      "last_update_posted_date": "2023-02-14",
      "last_synced_at": "2026-10-11T13:57:30.529Z",
      "location_count": 1,
      "location_summary": "Madison, Wisconsin",
      "locations": [
        {
          "city": "Madison",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03922139"
    },
    {
      "nct_id": "NCT03736174",
      "title": "Utilization of High Frequency Ultrasound to Diagnose Chronic Exertional Compartment Syndrome",
      "overall_status": "UNKNOWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Chronic Exertional Compartment Syndrome"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "University of Colorado, Denver",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "13 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "13 Years and older"
      },
      "enrollment_count": 20,
      "start_date": "2018-12-07",
      "completion_date": "2023-12",
      "has_results": false,
      "last_update_posted_date": "2023-04-25",
      "last_synced_at": "2026-10-11T13:57:30.529Z",
      "location_count": 1,
      "location_summary": "Denver, Colorado",
      "locations": [
        {
          "city": "Denver",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03736174"
    },
    {
      "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": "2026-10-11T13:57:30.529Z",
      "location_count": 1,
      "location_summary": "Lexington, Kentucky",
      "locations": [
        {
          "city": "Lexington",
          "state": "Kentucky"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04571034"
    },
    {
      "nct_id": "NCT02319850",
      "title": "Muscle Ultrasound for Sarcopenia Leading to Early Detection",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Sarcopenia"
      ],
      "interventions": [
        {
          "name": "DXA scanning",
          "type": "RADIATION"
        }
      ],
      "intervention_types": [
        "RADIATION"
      ],
      "sponsor": "George Washington University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "18 Years to 75 Years"
      },
      "enrollment_count": 34,
      "start_date": "2014-02",
      "completion_date": "2015-12",
      "has_results": false,
      "last_update_posted_date": "2018-03-01",
      "last_synced_at": "2026-10-11T13:57:30.529Z",
      "location_count": 1,
      "location_summary": "Washington D.C., District of Columbia",
      "locations": [
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02319850"
    },
    {
      "nct_id": "NCT02362425",
      "title": "Antioxidant Therapy in RYR1-Related Congenital Myopathy",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Neuromuscular Disease"
      ],
      "interventions": [
        {
          "name": "N-acetylcysteine",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "National Institute of Nursing Research (NINR)",
      "sponsor_class": "NIH",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "7 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "7 Years and older"
      },
      "enrollment_count": 63,
      "start_date": "2015-02-12",
      "completion_date": "2018-05-30",
      "has_results": true,
      "last_update_posted_date": "2019-12-24",
      "last_synced_at": "2026-10-11T13:57:30.529Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02362425"
    },
    {
      "nct_id": "NCT03935815",
      "title": "Quadratus Lumborum Nerve Blocks for Myomectomies",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Laparoscopic Myomectomy",
        "Quadratus Lumborum Nerve Block"
      ],
      "interventions": [
        {
          "name": "Ropivacaine injection",
          "type": "DRUG"
        },
        {
          "name": "Sham treatment",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "DRUG",
        "PROCEDURE"
      ],
      "sponsor": "University of California, Los Angeles",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "18 Years and older · Female only"
      },
      "enrollment_count": 26,
      "start_date": "2019-05-01",
      "completion_date": "2020-06-08",
      "has_results": false,
      "last_update_posted_date": "2021-04-28",
      "last_synced_at": "2026-10-11T13:57:30.529Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03935815"
    },
    {
      "nct_id": "NCT02218814",
      "title": "Study to Evaluate ACB Versus FNB Early Postoperative Period Functional Outcomes After TKA",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Arthroplasty, Replacement, Knee",
        "Nerve Block"
      ],
      "interventions": [
        {
          "name": "Adductor Canal Block, Bupivacaine",
          "type": "PROCEDURE"
        },
        {
          "name": "Femoral Nerve Block, Bupivacaine",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "George Macrinici",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "40 Years to 80 Years"
      },
      "enrollment_count": 106,
      "start_date": "2014-08",
      "completion_date": "2016-01",
      "has_results": false,
      "last_update_posted_date": "2016-02-02",
      "last_synced_at": "2026-10-11T13:57:30.529Z",
      "location_count": 1,
      "location_summary": "Joliet, Illinois",
      "locations": [
        {
          "city": "Joliet",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02218814"
    },
    {
      "nct_id": "NCT02118805",
      "title": "Innovative Measures of Speech and Swallowing Dysfunction in Neurological Disorders",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Amyotrophic Lateral Sclerosis (ALS)",
        "Myasthenia Gravis",
        "Myopathies",
        "Stroke",
        "Parkinson's Disease"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Beth Israel Deaconess Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "20 Years",
        "maximum_age": "90 Years",
        "sex": "ALL",
        "summary": "20 Years to 90 Years"
      },
      "enrollment_count": 100,
      "start_date": "2013-10",
      "completion_date": "2021-12-31",
      "has_results": false,
      "last_update_posted_date": "2024-04-16",
      "last_synced_at": "2026-10-11T13:57:30.529Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02118805"
    },
    {
      "nct_id": "NCT06843343",
      "title": "Dispersion Following ESP Versus ITP Blocks Using Lidocaine Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Acute Pain, Postoperative",
        "Regional Anesthesia Block"
      ],
      "interventions": [
        {
          "name": "Intertransverse Process Block with 1.5% Lidocaine",
          "type": "PROCEDURE"
        },
        {
          "name": "Erector Spinae Plane Block with 1.5% Lidocaine",
          "type": "PROCEDURE"
        },
        {
          "name": "1.5% Lidocaine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "DRUG"
      ],
      "sponsor": "Duke University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 13,
      "start_date": "2025-06-10",
      "completion_date": "2025-08-01",
      "has_results": false,
      "last_update_posted_date": "2025-08-28",
      "last_synced_at": "2026-10-11T13:57:30.529Z",
      "location_count": 1,
      "location_summary": "Durham, North Carolina",
      "locations": [
        {
          "city": "Durham",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06843343"
    }
  ]
}