{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Muscle+Spasm&page=4",
    "query": {
      "condition": "Muscle Spasm",
      "page": 4
    },
    "page_size": 10
  },
  "pagination": {
    "page": 4,
    "page_size": 10,
    "total_count": 132,
    "total_pages": 14,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Muscle+Spasm&page=5&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Muscle+Spasm&page=3&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-17T09:14:57.156Z",
  "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": "NCT01238575",
      "title": "Guanfacine for the Treatment of Hyperactivity in Pervasive Developmental Disorder",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Pervasive Development Disorders"
      ],
      "interventions": [
        {
          "name": "placebo",
          "type": "OTHER"
        },
        {
          "name": "extended-release guanfacine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "OTHER",
        "DRUG"
      ],
      "sponsor": "Yale University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "5 Years",
        "maximum_age": "14 Years",
        "sex": "ALL",
        "summary": "5 Years to 14 Years"
      },
      "enrollment_count": 62,
      "start_date": "2011-12",
      "completion_date": "2014-03",
      "has_results": true,
      "last_update_posted_date": "2020-03-31",
      "last_synced_at": "2026-10-17T09:14:57.156Z",
      "location_count": 5,
      "location_summary": "Los Angeles, California • New Haven, Connecticut • Atlanta, Georgia + 2 more",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "New Haven",
          "state": "Connecticut"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Lexington",
          "state": "Massachusetts"
        },
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01238575"
    },
    {
      "nct_id": "NCT06227676",
      "title": "Effect of 'Cramp Bites' on Period Cramps in Women Aged 18-25",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2",
        "PHASE3"
      ],
      "conditions": [
        "Dysmenorrhea Primary",
        "Dysmenorrhea",
        "Menstrual Discomfort",
        "Menstrual Problem",
        "Menstrual Cycle Abnormal",
        "Menstrual Pain",
        "Period Pain",
        "Period Problem",
        "PMS",
        "Premenstrual Syndrome",
        "PCOS",
        "PCOS (Polycystic Ovary Syndrome) of Bilateral Ovaries",
        "PCOS (Polycystic Ovary Syndrome) of Left Ovary",
        "PCOS (Polycystic Ovary Syndrome) of Right Ovary",
        "Polycystic Ovary Syndrome",
        "Premenstrual Dysphoric Disorder",
        "Cramps",
        "Ovarian Cysts"
      ],
      "interventions": [
        {
          "name": "Cramp Bites by Aunt Flo's Kitchen",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Cornell University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "25 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 25 Years · Female only"
      },
      "enrollment_count": 12,
      "start_date": "2022-07-21",
      "completion_date": "2022-10-31",
      "has_results": false,
      "last_update_posted_date": "2024-04-12",
      "last_synced_at": "2026-10-17T09:14:57.156Z",
      "location_count": 1,
      "location_summary": "Ithaca, New York",
      "locations": [
        {
          "city": "Ithaca",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06227676"
    },
    {
      "nct_id": "NCT01277185",
      "title": "Calcium Metabolism in Mexican American Adolescents",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Osteoporosis"
      ],
      "interventions": [
        {
          "name": "Low Calcium Diet",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "High Calcium Diet",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Purdue University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": "15 Years",
        "sex": "ALL",
        "summary": "12 Years to 15 Years"
      },
      "enrollment_count": 45,
      "start_date": "2010-04",
      "completion_date": "2010-08",
      "has_results": false,
      "last_update_posted_date": "2018-05-09",
      "last_synced_at": "2026-10-17T09:14:57.156Z",
      "location_count": 1,
      "location_summary": "West Lafayette, Indiana",
      "locations": [
        {
          "city": "West Lafayette",
          "state": "Indiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01277185"
    },
    {
      "nct_id": "NCT00437671",
      "title": "Tetanus Immunization in Subjects With No Immunization History or With Tetanus Antibody Levels Below Protective Levels",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Tetanus"
      ],
      "interventions": [
        {
          "name": "Tetanus Immune Globulin (Human)",
          "type": "DRUG"
        },
        {
          "name": "Diphtheria-Tetanus Toxoids Adsorbed",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "DRUG",
        "BIOLOGICAL"
      ],
      "sponsor": "Grifols Therapeutics LLC",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "90 Years",
        "sex": "ALL",
        "summary": "18 Years to 90 Years"
      },
      "enrollment_count": 6,
      "start_date": "2007-03",
      "completion_date": "2007-09",
      "has_results": false,
      "last_update_posted_date": "2016-01-20",
      "last_synced_at": "2026-10-17T09:14:57.156Z",
      "location_count": 1,
      "location_summary": "New Hyde Park, New York",
      "locations": [
        {
          "city": "New Hyde Park",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00437671"
    },
    {
      "nct_id": "NCT01694667",
      "title": "Omega-3 Fatty Acids for Hyperactivity Treatment in Autism Spectrum Disorder",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Autism Spectrum Disorders",
        "Hyperactivity"
      ],
      "interventions": [
        {
          "name": "Omega-3 Fatty Acids",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Hugo W. Moser Research Institute at Kennedy Krieger, Inc.",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "5 Years",
        "maximum_age": "8 Years",
        "sex": "ALL",
        "summary": "5 Years to 8 Years"
      },
      "enrollment_count": 57,
      "start_date": "2012-09",
      "completion_date": "2013-05",
      "has_results": true,
      "last_update_posted_date": "2020-08-31",
      "last_synced_at": "2026-10-17T09:14:57.156Z",
      "location_count": 1,
      "location_summary": "Multiple Locations, Maryland",
      "locations": [
        {
          "city": "Multiple Locations",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01694667"
    },
    {
      "nct_id": "NCT04507373",
      "title": "7T Magnetic Resonance Spectroscopy and Skeletal Muscle Biopsy Findings in Statin Associated Adverse Muscle Events",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Muscle Cramp",
        "Ache",
        "Weakness, Muscle",
        "Statin Adverse Reaction"
      ],
      "interventions": [
        {
          "name": "Simvastatin 40mg",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Texas Southwestern Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "18 Years to 80 Years"
      },
      "enrollment_count": 3,
      "start_date": "2018-08-17",
      "completion_date": "2021-12-20",
      "has_results": true,
      "last_update_posted_date": "2023-02-14",
      "last_synced_at": "2026-10-17T09:14:57.156Z",
      "location_count": 1,
      "location_summary": "Dallas, Texas",
      "locations": [
        {
          "city": "Dallas",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04507373"
    },
    {
      "nct_id": "NCT01239030",
      "title": "Efficacy and Safety of Methylphenidate HCl ER Capsules in Children and Adolescents With ADHD",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Attention Deficit Hyperactivity Disorder",
        "ADHD"
      ],
      "interventions": [
        {
          "name": "Methylphenidate Hydrochloride Extended Release Capsules",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Rhodes Pharmaceuticals, L.P.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "6 Years",
        "maximum_age": "18 Years",
        "sex": "ALL",
        "summary": "6 Years to 18 Years"
      },
      "enrollment_count": 230,
      "start_date": "2010-11",
      "completion_date": "2012-03",
      "has_results": true,
      "last_update_posted_date": "2023-02-22",
      "last_synced_at": "2026-10-17T09:14:57.156Z",
      "location_count": 16,
      "location_summary": "Little Rock, Arkansas • Irvine, California • National City, California + 13 more",
      "locations": [
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Irvine",
          "state": "California"
        },
        {
          "city": "National City",
          "state": "California"
        },
        {
          "city": "Bradenton",
          "state": "Florida"
        },
        {
          "city": "Lauderhill",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01239030"
    },
    {
      "nct_id": "NCT05671861",
      "title": "Evaluating a Low-Cost Therapeutic Device in Managing Head and Neck Cancer Patients With Radiation-Related Trismus",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Trismus",
        "Head and Neck Cancer"
      ],
      "interventions": [
        {
          "name": "Trismus Device Prototype",
          "type": "DEVICE"
        },
        {
          "name": "Questionnaires",
          "type": "OTHER"
        },
        {
          "name": "Mobile Application",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "OTHER"
      ],
      "sponsor": "University of California, San Francisco",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 35,
      "start_date": "2023-04-27",
      "completion_date": "2028-03-31",
      "has_results": false,
      "last_update_posted_date": "2026-01-13",
      "last_synced_at": "2026-10-17T09:14:57.156Z",
      "location_count": 1,
      "location_summary": "San Francisco, California",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05671861"
    },
    {
      "nct_id": "NCT01571440",
      "title": "Soluble Corn Fiber and Calcium Utilization in Adolescents",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Osteoporosis"
      ],
      "interventions": [
        {
          "name": "No soluble corn fiber",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "12 g soluble corn fiber",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Purdue University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": "15 Years",
        "sex": "ALL",
        "summary": "12 Years to 15 Years"
      },
      "enrollment_count": 24,
      "start_date": "2010-02",
      "completion_date": "2010-07",
      "has_results": false,
      "last_update_posted_date": "2014-02-10",
      "last_synced_at": "2026-10-17T09:14:57.156Z",
      "location_count": 1,
      "location_summary": "West Lafayette, Indiana",
      "locations": [
        {
          "city": "West Lafayette",
          "state": "Indiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01571440"
    },
    {
      "nct_id": "NCT00174746",
      "title": "Dose Response Study of Inhaled Ciclesonide (Glucocorticosteroid) to Patients With Persistent Asthma",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Asthma"
      ],
      "interventions": [
        {
          "name": "AVE2635A",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Sanofi",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "12 Years and older"
      },
      "enrollment_count": 1145,
      "start_date": "2005-03",
      "completion_date": "2005-11",
      "has_results": false,
      "last_update_posted_date": "2009-04-08",
      "last_synced_at": "2026-10-17T09:14:57.156Z",
      "location_count": 1,
      "location_summary": "Bridgewater, New Jersey",
      "locations": [
        {
          "city": "Bridgewater",
          "state": "New Jersey"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00174746"
    }
  ]
}