{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Conditioned+open-label+placebo+%28COLP%29",
    "query": {
      "intervention": "Conditioned open-label placebo (COLP)"
    },
    "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": "2026-10-06T10:14:19.434Z",
  "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": "NCT07373210",
      "title": "Open-label Placebo for Pain Management in Adolescents and Young Adults Undergoing Bernese Periacetabular Osteotomy",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Periacetabular Osteotomy",
        "Opiates"
      ],
      "interventions": [
        {
          "name": "Open-Label Placebo",
          "type": "OTHER"
        },
        {
          "name": "Treatment as usual",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of California, San Francisco",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "13 Years",
        "maximum_age": "40 Years",
        "sex": "ALL",
        "summary": "13 Years to 40 Years"
      },
      "enrollment_count": 64,
      "start_date": "2026-12",
      "completion_date": "2028-03-31",
      "has_results": false,
      "last_update_posted_date": "2026-04-29",
      "last_synced_at": "2026-10-06T10:14:19.434Z",
      "location_count": 1,
      "location_summary": "San Francisco, California",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07373210"
    },
    {
      "nct_id": "NCT04973748",
      "title": "Conditioned Open-label Placebo (COLP) for Peri-operative Pain Management in Patients With Head and Neck Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Postoperative Pain",
        "Opioid Use"
      ],
      "interventions": [
        {
          "name": "Conditioned open-label placebo (COLP)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Surveys about pain, opioid use and depression symptoms",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Johns Hopkins University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 9,
      "start_date": "2023-02-07",
      "completion_date": "2024-06-28",
      "has_results": false,
      "last_update_posted_date": "2024-08-23",
      "last_synced_at": "2026-10-06T10:14:19.434Z",
      "location_count": 1,
      "location_summary": "Baltimore, Maryland",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04973748"
    },
    {
      "nct_id": "NCT05351333",
      "title": "Conditioning & Open-Label Placebo (COLP) for Opioid Management in Intensive Inpatient Rehabilitation",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Spinal Cord Injuries",
        "Polytrauma",
        "Burns"
      ],
      "interventions": [
        {
          "name": "placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Spaulding Rehabilitation Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 66,
      "start_date": "2022-08-03",
      "completion_date": "2026-07-31",
      "has_results": false,
      "last_update_posted_date": "2025-10-27",
      "last_synced_at": "2026-10-06T10:14:19.434Z",
      "location_count": 1,
      "location_summary": "Charlestown, Massachusetts",
      "locations": [
        {
          "city": "Charlestown",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05351333"
    },
    {
      "nct_id": "NCT06365892",
      "title": "Open-label Placebo (COLP) for Pain in Adolescent Idiopathic Scoliosis (AIS) Surgery+Surgical Treatment of Idiopathic Scoliosis",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Adolescent Idiopathic Scoliosis (AIS)"
      ],
      "interventions": [
        {
          "name": "open-label placebo",
          "type": "OTHER"
        },
        {
          "name": "Treatment as usual",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of California, San Francisco",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "10 Years",
        "maximum_age": "18 Years",
        "sex": "ALL",
        "summary": "10 Years to 18 Years"
      },
      "enrollment_count": 64,
      "start_date": "2024-07-01",
      "completion_date": "2026-12",
      "has_results": false,
      "last_update_posted_date": "2026-03-13",
      "last_synced_at": "2026-10-06T10:14:19.434Z",
      "location_count": 1,
      "location_summary": "San Francisco, California",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06365892"
    },
    {
      "nct_id": "NCT03906721",
      "title": "Reduction of Opioid Dose Using Conditioning & Open-Label Placebo (COLP) in Intensive Rehabilitation",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Spinal Cord Injuries",
        "Polytrauma",
        "Burn Injury",
        "Pain Management"
      ],
      "interventions": [
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "Oxycodone",
          "type": "DRUG"
        },
        {
          "name": "Essential Oil",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Spaulding Rehabilitation Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 20,
      "start_date": "2019-02-20",
      "completion_date": "2021-11-01",
      "has_results": true,
      "last_update_posted_date": "2026-08-04",
      "last_synced_at": "2026-10-06T10:14:19.434Z",
      "location_count": 1,
      "location_summary": "Charlestown, Massachusetts",
      "locations": [
        {
          "city": "Charlestown",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03906721"
    }
  ]
}