{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Muscle+cramp+survey",
    "query": {
      "intervention": "Muscle cramp survey"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 3,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-03T22:55:32.197Z",
  "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": "NCT05926024",
      "title": "Long-Term Follow-Up in Women With Early Breast Cancer Three Years of More Post Primary Treatment",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Breast Cancer"
      ],
      "interventions": [
        {
          "name": "Exercise Recall Patient Reported Outcomes",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Health Behavior Questionnaire (HBQ)30 Patient Reported Outcomes",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Functional Assessment of Cancer Therapy-General (FACT-G) Patient Reported Outcomes",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Functional Assessment of Chronic Illness Therapy-Fatigue (FACIT-F) Patient Reported Outcomes",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Patient Reported Outcomes PROMIS Cognitive Function (Short Form 8a)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Patient Reported Outcomes Functional Assessment of Cancer-Gynecology Oncology Group-Neurotoxicity (FACT/GOG-NTX-12)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Patient Reported Outcomes PROMIS",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Patient Reported Outcomes FACT-Endocrine Symptoms",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Patient Reported Outcomes Penn Arthralgia Aging Survey",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Patient Reported Outcomes PRO-CTCAE (patient-reported CTCAE)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "p16 tumor suppressor gene",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "UNC Lineberger Comprehensive Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "21 Years and older · Female only"
      },
      "enrollment_count": 253,
      "start_date": "2023-01-06",
      "completion_date": "2028-01-31",
      "has_results": false,
      "last_update_posted_date": "2026-03-11",
      "last_synced_at": "2026-09-03T22:55:32.197Z",
      "location_count": 1,
      "location_summary": "Chapel Hill, North Carolina",
      "locations": [
        {
          "city": "Chapel Hill",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05926024"
    },
    {
      "nct_id": "NCT00054652",
      "title": "Survey of Sensory and Motor Tricks in Focal Dystonia",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Focal Dystonia"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "National Institute of Neurological Disorders and Stroke (NINDS)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 80,
      "start_date": "2003-02",
      "completion_date": "2005-02",
      "has_results": false,
      "last_update_posted_date": "2008-03-04",
      "last_synced_at": "2026-09-03T22:55:32.197Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00054652"
    },
    {
      "nct_id": "NCT03176966",
      "title": "Ropinirole for the Treatment of Muscle Cramps in Patients With Cirrhosis",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Muscle Cramp",
        "Cirrhosis"
      ],
      "interventions": [
        {
          "name": "Vitamin E",
          "type": "DRUG"
        },
        {
          "name": "Ropinirole",
          "type": "DRUG"
        },
        {
          "name": "Muscle cramp survey",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Vanderbilt University Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 31,
      "start_date": "2016-09-02",
      "completion_date": "2021-10-22",
      "has_results": true,
      "last_update_posted_date": "2022-10-31",
      "last_synced_at": "2026-09-03T22:55:32.197Z",
      "location_count": 1,
      "location_summary": "Nashville, Tennessee",
      "locations": [
        {
          "city": "Nashville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03176966"
    }
  ]
}