{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Ankle+Inversion+Sprain",
    "query": {
      "condition": "Ankle Inversion Sprain"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 6,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-05-22T05:39:06.532Z",
  "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": "NCT04302961",
      "title": "Effects of Gait Retraining With Auditory Feedback",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "Ankle Injuries",
        "Ankle Inversion Sprain"
      ],
      "interventions": [
        {
          "name": "Auditory Feedback",
          "type": "OTHER"
        },
        {
          "name": "No Feedback",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of North Carolina, Charlotte",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "40 Years",
        "sex": "ALL",
        "summary": "18 Years to 40 Years"
      },
      "enrollment_count": 28,
      "start_date": "2020-10-05",
      "completion_date": "2021-06-30",
      "has_results": false,
      "last_update_posted_date": "2024-08-19",
      "last_synced_at": "2026-05-22T05:39:06.532Z",
      "location_count": 1,
      "location_summary": "Charlotte, North Carolina",
      "locations": [
        {
          "city": "Charlotte",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04302961"
    },
    {
      "nct_id": "NCT05190874",
      "title": "Grappler Interference Screw Post-Market Collection of Patient Reported Outcome Measures",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Ankle Injuries",
        "Syndesmotic Injuries",
        "Ankle Inversion Sprain",
        "Deltoid Ankle Sprain",
        "Achilles Tendon Rupture",
        "Flexor Hallucis Longus on the Left",
        "Flexor Hallucis Longus on the Right",
        "Flexor Digitorum Longus on the Left",
        "Flexor Digitorum Longus on the Right",
        "Ankle Sprains"
      ],
      "interventions": [
        {
          "name": "Grappler Interference Screw System",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Paragon 28",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 19,
      "start_date": "2022-01-14",
      "completion_date": "2022-04-06",
      "has_results": false,
      "last_update_posted_date": "2022-04-07",
      "last_synced_at": "2026-05-22T05:39:06.532Z",
      "location_count": 1,
      "location_summary": "Worthington, Ohio",
      "locations": [
        {
          "city": "Worthington",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05190874"
    },
    {
      "nct_id": "NCT00797368",
      "title": "Manual Therapy and Exercise Versus Home Exercises in the Management of Patients Status Post Ankle Sprain",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Ankle Sprain"
      ],
      "interventions": [
        {
          "name": "Manual Therapy and Exercise",
          "type": "OTHER"
        },
        {
          "name": "Home exercises",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Franklin Pierce University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "16 Years",
        "maximum_age": "60 Years",
        "sex": "ALL",
        "summary": "16 Years to 60 Years"
      },
      "enrollment_count": 74,
      "start_date": "2008-11",
      "completion_date": "2012-06",
      "has_results": false,
      "last_update_posted_date": "2013-07-09",
      "last_synced_at": "2026-05-22T05:39:06.532Z",
      "location_count": 3,
      "location_summary": "Denver, Colorado • Concord, New Hampshire",
      "locations": [
        {
          "city": "Denver",
          "state": "Colorado"
        },
        {
          "city": "Denver",
          "state": "Colorado"
        },
        {
          "city": "Concord",
          "state": "New Hampshire"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00797368"
    },
    {
      "nct_id": "NCT03418051",
      "title": "Mechanisms of Manual Therapies in CAI Patients",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Ankle Inversion Sprain",
        "Chronic Instability of Joint"
      ],
      "interventions": [
        {
          "name": "Joint Mobilization",
          "type": "OTHER"
        },
        {
          "name": "Massage",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of North Carolina, Chapel Hill",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "35 Years",
        "sex": "ALL",
        "summary": "18 Years to 35 Years"
      },
      "enrollment_count": 60,
      "start_date": "2018-09-01",
      "completion_date": "2020-10-09",
      "has_results": true,
      "last_update_posted_date": "2021-08-27",
      "last_synced_at": "2026-05-22T05:39:06.532Z",
      "location_count": 1,
      "location_summary": "Chapel Hill, North Carolina",
      "locations": [
        {
          "city": "Chapel Hill",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03418051"
    },
    {
      "nct_id": "NCT04131842",
      "title": "External Versus Internal Feedback in Patients With Chronic Ankle Instability",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Ankle Injuries",
        "Ankle Inversion Sprain"
      ],
      "interventions": [
        {
          "name": "External focus of attention visual feedback",
          "type": "OTHER"
        },
        {
          "name": "External focus of attention auditory feedback",
          "type": "OTHER"
        },
        {
          "name": "Internal focus of attention video feedback",
          "type": "OTHER"
        },
        {
          "name": "No feedback",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of North Carolina, Charlotte",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "40 Years",
        "sex": "ALL",
        "summary": "18 Years to 40 Years"
      },
      "enrollment_count": 48,
      "start_date": "2020-02-18",
      "completion_date": "2024-07-01",
      "has_results": false,
      "last_update_posted_date": "2024-08-19",
      "last_synced_at": "2026-05-22T05:39:06.532Z",
      "location_count": 1,
      "location_summary": "Charlotte, North Carolina",
      "locations": [
        {
          "city": "Charlotte",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04131842"
    },
    {
      "nct_id": "NCT04893824",
      "title": "Grappler® Interference Screw Post-Market Clinical Follow-Up Study",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Ankle Injuries",
        "Syndesmotic Injuries",
        "Ankle Inversion Sprain",
        "Deltoid Ankle Sprain",
        "Achilles Tendon Rupture",
        "Flexor Hallucis Longus on the Left",
        "Flexor Digitorum Longus on the Left",
        "Ankle Sprains",
        "Flexor Hallucis Longus on the Right",
        "Flexor Digitorum Longus on the Right"
      ],
      "interventions": [
        {
          "name": "Grappler® Interference Screw System",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Paragon 28",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": null,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 50,
      "start_date": "2021-04-19",
      "completion_date": "2022-03-25",
      "has_results": false,
      "last_update_posted_date": "2023-11-15",
      "last_synced_at": "2026-05-22T05:39:06.532Z",
      "location_count": 1,
      "location_summary": "Worthington, Ohio",
      "locations": [
        {
          "city": "Worthington",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04893824"
    }
  ]
}