{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Observation+Only&page=30",
    "query": {
      "intervention": "Observation Only",
      "page": 30
    },
    "page_size": 10
  },
  "pagination": {
    "page": 30,
    "page_size": 10,
    "total_count": 874,
    "total_pages": 88,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Observation+Only&page=31&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Observation+Only&page=29&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-22T05:04:29.610Z",
  "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": "NCT04260607",
      "title": "Initiating Ketamine in Acutely Suicidal Patients in the Emergency Department",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Suicide",
        "Suicide Threat",
        "Depression Severe"
      ],
      "interventions": [
        {
          "name": "Ketamine Hydrochloride",
          "type": "DRUG"
        },
        {
          "name": "Normal saline",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Naval Medical Center Camp Lejeune",
      "sponsor_class": "FED",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "89 Years",
        "sex": "ALL",
        "summary": "18 Years to 89 Years"
      },
      "enrollment_count": 1,
      "start_date": "2020-01-14",
      "completion_date": "2022-02-16",
      "has_results": true,
      "last_update_posted_date": "2025-05-14",
      "last_synced_at": "2026-10-22T05:04:29.610Z",
      "location_count": 1,
      "location_summary": "Marine Corps Base Camp Lejeune, North Carolina",
      "locations": [
        {
          "city": "Marine Corps Base Camp Lejeune",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04260607"
    },
    {
      "nct_id": "NCT02897557",
      "title": "Insulet Artificial Pancreas Early Feasibility Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Type 1 Diabetes"
      ],
      "interventions": [
        {
          "name": "Insulet Artificial Pancreas (AP) System",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Insulet Corporation",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "6 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "6 Years to 65 Years"
      },
      "enrollment_count": 59,
      "start_date": "2016-09",
      "completion_date": "2017-03",
      "has_results": false,
      "last_update_posted_date": "2021-04-09",
      "last_synced_at": "2026-10-22T05:04:29.610Z",
      "location_count": 4,
      "location_summary": "Palo Alto, California • Santa Barbara, California • Walnut Creek, California + 1 more",
      "locations": [
        {
          "city": "Palo Alto",
          "state": "California"
        },
        {
          "city": "Santa Barbara",
          "state": "California"
        },
        {
          "city": "Walnut Creek",
          "state": "California"
        },
        {
          "city": "Denver",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02897557"
    },
    {
      "nct_id": "NCT02846077",
      "title": "Multi-scale Modeling of Sleep Behaviors in Social Networks",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Healthy Volunteers"
      ],
      "interventions": [
        {
          "name": "No intervention. Observation only",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Brigham and Women's Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 729,
      "start_date": "2013-09",
      "completion_date": "2018-06",
      "has_results": false,
      "last_update_posted_date": "2018-07-11",
      "last_synced_at": "2026-10-22T05:04:29.610Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02846077"
    },
    {
      "nct_id": "NCT03445988",
      "title": "Cognitive Behavioral Therapy and Chronic Pain Self-Management Within the Context of Opioid Reduction: The EMPOWER Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Chronic Pain"
      ],
      "interventions": [
        {
          "name": "Cognitive Behavioral Therapy",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Chronic Pain Self Management Program",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Taper Only",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "OTHER"
      ],
      "sponsor": "Stanford University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "85 Years",
        "sex": "ALL",
        "summary": "18 Years to 85 Years"
      },
      "enrollment_count": 1462,
      "start_date": "2018-07-24",
      "completion_date": "2023-11-06",
      "has_results": true,
      "last_update_posted_date": "2026-09-24",
      "last_synced_at": "2026-10-22T05:04:29.610Z",
      "location_count": 1,
      "location_summary": "Palo Alto, California",
      "locations": [
        {
          "city": "Palo Alto",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03445988"
    },
    {
      "nct_id": "NCT04638595",
      "title": "Pediatric Normative Movement Analysis Data Collection",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Pediatric ALL"
      ],
      "interventions": [
        {
          "name": "Observation",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "MultiCare Health System Research Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "3 Years",
        "maximum_age": "18 Years",
        "sex": "ALL",
        "summary": "3 Years to 18 Years"
      },
      "enrollment_count": 50,
      "start_date": "2020-11-16",
      "completion_date": "2021-05-05",
      "has_results": false,
      "last_update_posted_date": "2022-08-05",
      "last_synced_at": "2026-10-22T05:04:29.610Z",
      "location_count": 1,
      "location_summary": "Puyallup, Washington",
      "locations": [
        {
          "city": "Puyallup",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04638595"
    },
    {
      "nct_id": "NCT06745999",
      "title": "Cryotherapy in Combination With Red Light PDT for Actinic Keratosis of Full Face",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Actinic Keratoses"
      ],
      "interventions": [
        {
          "name": "Ameluz 10% Topical Gel",
          "type": "DRUG"
        },
        {
          "name": "Red Light PDT",
          "type": "DEVICE"
        },
        {
          "name": "Cryotherapy",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "DRUG",
        "DEVICE",
        "PROCEDURE"
      ],
      "sponsor": "Psoriasis Treatment Center of Central New Jersey",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 40,
      "start_date": "2023-05-03",
      "completion_date": "2026-11",
      "has_results": false,
      "last_update_posted_date": "2026-10-14",
      "last_synced_at": "2026-10-22T05:04:29.610Z",
      "location_count": 1,
      "location_summary": "East Windsor, New Jersey",
      "locations": [
        {
          "city": "East Windsor",
          "state": "New Jersey"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06745999"
    },
    {
      "nct_id": "NCT02062125",
      "title": "Calcinosis in a Single-Center Scleroderma Population",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Scleroderma",
        "Calcinosis"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Rutgers, The State University of New Jersey",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "85 Years",
        "sex": "ALL",
        "summary": "18 Years to 85 Years"
      },
      "enrollment_count": 66,
      "start_date": "2012-10-31",
      "completion_date": "2024-03-15",
      "has_results": false,
      "last_update_posted_date": "2024-03-21",
      "last_synced_at": "2026-10-22T05:04:29.610Z",
      "location_count": 1,
      "location_summary": "New Brunswick, New Jersey",
      "locations": [
        {
          "city": "New Brunswick",
          "state": "New Jersey"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02062125"
    },
    {
      "nct_id": "NCT03382834",
      "title": "Selective Estrogen Receptor Modulators to Enhance the Efficacy of Viral Reactivation With Histone Deacetylase Inhibitors",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "HIV Infections"
      ],
      "interventions": [
        {
          "name": "Tamoxifen",
          "type": "DRUG"
        },
        {
          "name": "Vorinostat",
          "type": "DRUG"
        },
        {
          "name": "Antiretroviral drugs",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "National Institute of Allergy and Infectious Diseases (NIAID)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 65 Years · Female only"
      },
      "enrollment_count": 31,
      "start_date": "2018-04-26",
      "completion_date": "2023-07-27",
      "has_results": true,
      "last_update_posted_date": "2024-07-03",
      "last_synced_at": "2026-10-22T05:04:29.610Z",
      "location_count": 14,
      "location_summary": "Birmingham, Alabama • Los Angeles, California • San Francisco, California + 11 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Torrance",
          "state": "California"
        },
        {
          "city": "Aurora",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03382834"
    },
    {
      "nct_id": "NCT06952738",
      "title": "Investigating Periprosthetic Fracture Cultures in Arthroplasty",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Periprosthetic Fracture Around Prosthetic Joint Implant"
      ],
      "interventions": [
        {
          "name": "Not applicable- observational study",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Chicago",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 200,
      "start_date": "2025-10-01",
      "completion_date": "2027-10-31",
      "has_results": false,
      "last_update_posted_date": "2025-12-22",
      "last_synced_at": "2026-10-22T05:04:29.610Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06952738"
    },
    {
      "nct_id": "NCT07775872",
      "title": "Prospective Natural History Study of POLG Disease",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "PolG, Primary Mitochondrial Myopathy"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "The POLG Foundation",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 300,
      "start_date": "2026-06-17",
      "completion_date": "2031-06-17",
      "has_results": false,
      "last_update_posted_date": "2026-09-15",
      "last_synced_at": "2026-10-22T05:04:29.610Z",
      "location_count": 7,
      "location_summary": "San Diego, California • Aurora, Colorado • New York, New York + 4 more",
      "locations": [
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "Aurora",
          "state": "Colorado"
        },
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "Akron",
          "state": "Ohio"
        },
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07775872"
    }
  ]
}