{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Zanaflex+Capsules",
    "query": {
      "intervention": "Zanaflex Capsules"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 7,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-11T03:34:31.339Z",
  "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": "NCT00047580",
      "title": "Comparison of Safety and Efficacy of Tizanidine Hydrochloride Capsules Versus Zanaflex® (Tizanidine Hydrochloride Tablets) Taken While in the Fed State (Just After a Meal) and in the Fasted State (Before a Meal) in Patients With Moderate to Severe Spasticity.",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Multiple Sclerosis",
        "Muscle Spasticity",
        "Spinal Cord Injury",
        "Stroke"
      ],
      "interventions": [
        {
          "name": "tizanidine hydrochloride capsule",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Elan Pharmaceuticals",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 120,
      "start_date": "2002-06",
      "completion_date": "2002-09",
      "has_results": false,
      "last_update_posted_date": "2015-12-14",
      "last_synced_at": "2026-09-11T03:34:31.339Z",
      "location_count": 16,
      "location_summary": "Tucson, Arizona • Encinitas, California • Northridge, California + 12 more",
      "locations": [
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Encinitas",
          "state": "California"
        },
        {
          "city": "Northridge",
          "state": "California"
        },
        {
          "city": "Oceanside",
          "state": "California"
        },
        {
          "city": "Walnut Creek",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00047580"
    },
    {
      "nct_id": "NCT01405950",
      "title": "Phase 1b Study of Tizanidine in Pediatric Patients With Cerebral Palsy",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Spasticity Due to Cerebral Palsy"
      ],
      "interventions": [
        {
          "name": "Zanaflex Capsules",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Acorda Therapeutics",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "2 Years",
        "maximum_age": "16 Years",
        "sex": "ALL",
        "summary": "2 Years to 16 Years"
      },
      "enrollment_count": 10,
      "start_date": "2011-05",
      "completion_date": "2012-03",
      "has_results": true,
      "last_update_posted_date": "2013-06-17",
      "last_synced_at": "2026-09-11T03:34:31.339Z",
      "location_count": 1,
      "location_summary": "Louisville, Kentucky",
      "locations": [
        {
          "city": "Louisville",
          "state": "Kentucky"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01405950"
    },
    {
      "nct_id": "NCT04429347",
      "title": "Gabapentin and Tizanidine for Insomnia in Chronic Pain",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Insomnia Due to Medical Condition",
        "Chronic Pain"
      ],
      "interventions": [
        {
          "name": "Gabapentin",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "Tizanidine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of California, San Diego",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 9,
      "start_date": "2020-07-29",
      "completion_date": "2024-12-01",
      "has_results": false,
      "last_update_posted_date": "2025-01-03",
      "last_synced_at": "2026-09-11T03:34:31.339Z",
      "location_count": 1,
      "location_summary": "La Jolla, California",
      "locations": [
        {
          "city": "La Jolla",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04429347"
    },
    {
      "nct_id": "NCT03068897",
      "title": "Ibuprofen Plus Metaxolone, Tizanidine, or Baclofen for Low Back Pain",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Low Back Pain"
      ],
      "interventions": [
        {
          "name": "Metaxalone",
          "type": "DRUG"
        },
        {
          "name": "Tizanidine",
          "type": "DRUG"
        },
        {
          "name": "Baclofen",
          "type": "DRUG"
        },
        {
          "name": "Ibuprofen 600 mg",
          "type": "DRUG"
        },
        {
          "name": "Educational intervention",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "DRUG",
        "BEHAVIORAL"
      ],
      "sponsor": "Montefiore 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": 320,
      "start_date": "2017-05-03",
      "completion_date": "2018-10-11",
      "has_results": true,
      "last_update_posted_date": "2020-08-12",
      "last_synced_at": "2026-09-11T03:34:31.339Z",
      "location_count": 1,
      "location_summary": "The Bronx, New York",
      "locations": [
        {
          "city": "The Bronx",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03068897"
    },
    {
      "nct_id": "NCT01068847",
      "title": "Drug Discrimination in Methadone-Maintained Humans Study 3",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Drug Dependence"
      ],
      "interventions": [
        {
          "name": "2-4 of the drugs listed below",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Arkansas",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 9,
      "start_date": "2010-02",
      "completion_date": "2012-11",
      "has_results": false,
      "last_update_posted_date": "2013-03-07",
      "last_synced_at": "2026-09-11T03:34:31.339Z",
      "location_count": 1,
      "location_summary": "Little Rock, Arkansas",
      "locations": [
        {
          "city": "Little Rock",
          "state": "Arkansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01068847"
    },
    {
      "nct_id": "NCT04574791",
      "title": "Addition of Muscle Relaxants in a Multimodal Analgesic Regimen for Analgesia After Primary Total Knee Arthroplasty",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Pain, Postoperative"
      ],
      "interventions": [
        {
          "name": "TiZANidine 2 MG Oral Capsule",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Rothman Institute Orthopaedics",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "18 Years to 80 Years"
      },
      "enrollment_count": 240,
      "start_date": "2020-09-03",
      "completion_date": "2021-09-30",
      "has_results": false,
      "last_update_posted_date": "2020-10-05",
      "last_synced_at": "2026-09-11T03:34:31.339Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04574791"
    },
    {
      "nct_id": "NCT07792616",
      "title": "Electrical Neuromodulation for Modifying Spinal Network Involved in Spasticity",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Spinal Cord Injuries (Complete and Incomplete)",
        "Spinal Cord Injury",
        "Spinal Cord Injury Cervical",
        "Spinal Cord Injury Thoracic",
        "Spinal Cord Injuries",
        "Spasticity",
        "Spasm",
        "Muscle Spasticity",
        "Muscle Hypertonia",
        "Muscle Spasm"
      ],
      "interventions": [
        {
          "name": "Transcutaneous spinal stimulation at 30 Hz",
          "type": "OTHER"
        },
        {
          "name": "Transcutaneous spinal stimulation at 75 Hz",
          "type": "OTHER"
        },
        {
          "name": "Tizanidine",
          "type": "DRUG"
        },
        {
          "name": "Baclofen",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "OTHER",
        "DRUG"
      ],
      "sponsor": "University of Mississippi 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": 12,
      "start_date": "2022-07-13",
      "completion_date": "2027-07-14",
      "has_results": false,
      "last_update_posted_date": "2026-08-28",
      "last_synced_at": "2026-09-11T03:34:31.339Z",
      "location_count": 2,
      "location_summary": "Jackson, Mississippi",
      "locations": [
        {
          "city": "Jackson",
          "state": "Mississippi"
        },
        {
          "city": "Jackson",
          "state": "Mississippi"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07792616"
    }
  ]
}