{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Hair+cut",
    "query": {
      "intervention": "Hair cut"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 5,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-04T12:30:42.061Z",
  "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": "NCT03499379",
      "title": "Stress Hormones and IUDs",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Contraception",
        "Mood Change"
      ],
      "interventions": [
        {
          "name": "Mirena",
          "type": "DEVICE"
        },
        {
          "name": "Paraguard",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Oregon Health and Science University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "39 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 39 Years · Female only"
      },
      "enrollment_count": 39,
      "start_date": "2018-04-16",
      "completion_date": "2019-12-31",
      "has_results": false,
      "last_update_posted_date": "2020-01-07",
      "last_synced_at": "2026-09-04T12:30:42.061Z",
      "location_count": 1,
      "location_summary": "Portland, Oregon",
      "locations": [
        {
          "city": "Portland",
          "state": "Oregon"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03499379"
    },
    {
      "nct_id": "NCT03419871",
      "title": "Associations of Socioeconomic Adversity and Sleep With Allostatic Load Among Toddlers",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Sleep Disorder"
      ],
      "interventions": [
        {
          "name": "Monitoring Sleep",
          "type": "OTHER"
        },
        {
          "name": "stress biomarkers",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Yale University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": null,
      "eligibility": {
        "minimum_age": "12 Months",
        "maximum_age": "15 Months",
        "sex": "ALL",
        "summary": "12 Months to 15 Months"
      },
      "enrollment_count": 100,
      "start_date": "2015-11-08",
      "completion_date": "2019-10-15",
      "has_results": false,
      "last_update_posted_date": "2021-12-07",
      "last_synced_at": "2026-09-04T12:30:42.061Z",
      "location_count": 1,
      "location_summary": "New Haven, Connecticut",
      "locations": [
        {
          "city": "New Haven",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03419871"
    },
    {
      "nct_id": "NCT01385839",
      "title": "Efficacy of Hair Transplantation Compared With Hypodermic Needle Irritation in Alopecia Areata",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Alopecia Areata",
        "Alopecia",
        "Balding"
      ],
      "interventions": [
        {
          "name": "Hair transplantation",
          "type": "PROCEDURE"
        },
        {
          "name": "Hypodermic needle irritation",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Icahn School of Medicine at Mount Sinai",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 4,
      "start_date": "2009-10",
      "completion_date": "2012-05",
      "has_results": false,
      "last_update_posted_date": "2016-12-22",
      "last_synced_at": "2026-09-04T12:30:42.061Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01385839"
    },
    {
      "nct_id": "NCT05145595",
      "title": "Pain Sensitivity During Puberty",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Pain"
      ],
      "interventions": [
        {
          "name": "Thermal Sensory Analyzer",
          "type": "DEVICE"
        },
        {
          "name": "Pressure Stimuli",
          "type": "DEVICE"
        },
        {
          "name": "Mechanical Stimuli",
          "type": "DEVICE"
        },
        {
          "name": "Pain Ratings",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Thermal pain thresholds",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Pressure pain thresholds (PPT)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Mechanical temporal summation",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Conditioned pain modulation (CPM) efficiency",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Offset analgesia efficiency",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Cold pain tolerance",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "BEHAVIORAL"
      ],
      "sponsor": "Washington University School of Medicine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "9 Years",
        "maximum_age": "16 Years",
        "sex": "ALL",
        "summary": "9 Years to 16 Years"
      },
      "enrollment_count": 36,
      "start_date": "2022-09-20",
      "completion_date": "2024-07-17",
      "has_results": false,
      "last_update_posted_date": "2026-01-09",
      "last_synced_at": "2026-09-04T12:30:42.061Z",
      "location_count": 1,
      "location_summary": "St Louis, Missouri",
      "locations": [
        {
          "city": "St Louis",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05145595"
    },
    {
      "nct_id": "NCT04039425",
      "title": "Effects of Chemotherapy on the Concentration of Minerals in Hair",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Cancer"
      ],
      "interventions": [
        {
          "name": "Hair cut",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Loma Linda University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 5,
      "start_date": "2019-11-01",
      "completion_date": "2020-04-27",
      "has_results": false,
      "last_update_posted_date": "2020-04-29",
      "last_synced_at": "2026-09-04T12:30:42.061Z",
      "location_count": 1,
      "location_summary": "Loma Linda, California",
      "locations": [
        {
          "city": "Loma Linda",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04039425"
    }
  ]
}