{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=observation+only&page=2",
    "query": {
      "intervention": "observation only",
      "page": 2
    },
    "page_size": 10
  },
  "pagination": {
    "page": 2,
    "page_size": 10,
    "total_count": 10,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=observation+only&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-09-23T07:42:50.969Z",
  "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": "NCT05271630",
      "title": "Multiple Myeloma Outcomes Based on Maintenance Therapy Post Autologous Stem Cell Transplant",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Multiple Myeloma"
      ],
      "interventions": [
        {
          "name": "Autologous Stem Cell Transplant",
          "type": "OTHER"
        },
        {
          "name": "Immunomodulatory Agent",
          "type": "DRUG"
        },
        {
          "name": "Proteasome Inhibitor",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "OTHER",
        "DRUG"
      ],
      "sponsor": "H. Lee Moffitt Cancer Center and Research Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 69,
      "start_date": "2022-04-20",
      "completion_date": "2026-12",
      "has_results": false,
      "last_update_posted_date": "2026-03-02",
      "last_synced_at": "2026-09-23T07:42:50.969Z",
      "location_count": 1,
      "location_summary": "Tampa, Florida",
      "locations": [
        {
          "city": "Tampa",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05271630"
    },
    {
      "nct_id": "NCT01857401",
      "title": "Development of a Novel Human In Vitro Sarcoidosis Model",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Sarcoidosis"
      ],
      "interventions": [
        {
          "name": "No intervention, observational study only",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Elliott Crouser MD",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "45 Years",
        "sex": "ALL",
        "summary": "18 Years to 45 Years"
      },
      "enrollment_count": 60,
      "start_date": "2012-12-19",
      "completion_date": "2017-02-02",
      "has_results": false,
      "last_update_posted_date": "2021-11-03",
      "last_synced_at": "2026-09-23T07:42:50.969Z",
      "location_count": 1,
      "location_summary": "Columbus, Ohio",
      "locations": [
        {
          "city": "Columbus",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01857401"
    },
    {
      "nct_id": "NCT05558371",
      "title": "International CDKL5 Clinical Research Network",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "CDKL5",
        "CDKL5 Deficiency Disorder",
        "CDD"
      ],
      "interventions": [
        {
          "name": "No intervention.",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Colorado, Denver",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "1 Month",
        "maximum_age": "100 Years",
        "sex": "ALL",
        "summary": "1 Month to 100 Years"
      },
      "enrollment_count": 1000,
      "start_date": "2021-02-15",
      "completion_date": "2027-02-15",
      "has_results": false,
      "last_update_posted_date": "2023-12-06",
      "last_synced_at": "2026-09-23T07:42:50.969Z",
      "location_count": 8,
      "location_summary": "Los Angeles, California • Aurora, Colorado • Boston, Massachusetts + 5 more",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Aurora",
          "state": "Colorado"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "St Louis",
          "state": "Missouri"
        },
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05558371"
    },
    {
      "nct_id": "NCT00217737",
      "title": "Oxaliplatin, Leucovorin, and Fluorouracil With or Without Bevacizumab in Treating Patients Who Have Undergone Surgery for Stage II Colon Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Colon Adenocarcinoma",
        "Stage IIA Colon Cancer AJCC v7",
        "Stage IIB Colon Cancer AJCC v7",
        "Stage IIC Colon Cancer AJCC v7"
      ],
      "interventions": [
        {
          "name": "Bevacizumab",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Fluorouracil",
          "type": "DRUG"
        },
        {
          "name": "Leucovorin",
          "type": "DRUG"
        },
        {
          "name": "Oxaliplatin",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL",
        "DRUG"
      ],
      "sponsor": "National Cancer Institute (NCI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 2431,
      "start_date": "2005-09-06",
      "completion_date": "2026-05-26",
      "has_results": true,
      "last_update_posted_date": "2026-08-25",
      "last_synced_at": "2026-09-23T07:42:50.969Z",
      "location_count": 910,
      "location_summary": "Anniston, Alabama • Birmingham, Alabama • Huntsville, Alabama + 578 more",
      "locations": [
        {
          "city": "Anniston",
          "state": "Alabama"
        },
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Huntsville",
          "state": "Alabama"
        },
        {
          "city": "Mobile",
          "state": "Alabama"
        },
        {
          "city": "Mobile",
          "state": "Alabama"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00217737"
    },
    {
      "nct_id": "NCT03623165",
      "title": "PRODIGY Registry in NYHA Class III Heart Failure Patients",
      "overall_status": "TERMINATED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Heart Failure NYHA Class III"
      ],
      "interventions": [
        {
          "name": "Cordella™ Heart Failure System",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Endotronix, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 7,
      "start_date": "2018-08-01",
      "completion_date": "2019-08-15",
      "has_results": false,
      "last_update_posted_date": "2019-08-19",
      "last_synced_at": "2026-09-23T07:42:50.969Z",
      "location_count": 4,
      "location_summary": "Los Angeles, California • San Francisco, California • Lebanon, New Hampshire + 1 more",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Lebanon",
          "state": "New Hampshire"
        },
        {
          "city": "Gonzales",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03623165"
    },
    {
      "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": "2026-09-23T07:42:50.969Z",
      "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"
    },
    {
      "nct_id": "NCT06797830",
      "title": "Improving Core Strength in the Warfighter With a Novel Device",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Core Strengthening",
        "Posture",
        "Low Back Pain"
      ],
      "interventions": [
        {
          "name": "AllCore",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "David Moss",
      "sponsor_class": "FED",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "50 Years",
        "sex": "ALL",
        "summary": "18 Years to 50 Years"
      },
      "enrollment_count": 43,
      "start_date": "2025-01-21",
      "completion_date": "2027-01",
      "has_results": false,
      "last_update_posted_date": "2026-02-04",
      "last_synced_at": "2026-09-23T07:42:50.969Z",
      "location_count": 1,
      "location_summary": "Nellis Air Force Base, Nevada",
      "locations": [
        {
          "city": "Nellis Air Force Base",
          "state": "Nevada"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06797830"
    },
    {
      "nct_id": "NCT04231630",
      "title": "Outpatient Exclusive Human Milk Diet for Single Infant With Complex Congenital Heart Disease",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Growth Delay"
      ],
      "interventions": [
        {
          "name": "Prolacta",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Texas at Austin",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "6 Months",
        "maximum_age": "1 Year",
        "sex": "MALE",
        "summary": "6 Months to 1 Year · Male only"
      },
      "enrollment_count": 1,
      "start_date": "2019-11-20",
      "completion_date": "2020-05-30",
      "has_results": false,
      "last_update_posted_date": "2020-01-18",
      "last_synced_at": "2026-09-23T07:42:50.969Z",
      "location_count": 1,
      "location_summary": "Austin, Texas",
      "locations": [
        {
          "city": "Austin",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04231630"
    },
    {
      "nct_id": "NCT04648306",
      "title": "Restore EF Observational Study",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Coronary Artery Disease",
        "Unstable Angina",
        "Angina, Stable",
        "NSTEMI - Non-ST Segment Elevation MI"
      ],
      "interventions": [
        {
          "name": "Prophylactic Impella support for a non-emergent PCI",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Abiomed Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 406,
      "start_date": "2019-09-01",
      "completion_date": "2021-09-30",
      "has_results": false,
      "last_update_posted_date": "2021-12-14",
      "last_synced_at": "2026-09-23T07:42:50.969Z",
      "location_count": 21,
      "location_summary": "Phoenix, Arizona • Tucson, Arizona • Fayetteville, Arkansas + 18 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Fayetteville",
          "state": "Arkansas"
        },
        {
          "city": "North Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Springdale",
          "state": "Arkansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04648306"
    },
    {
      "nct_id": "NCT04608149",
      "title": "Prospective, Multi-center, Single-arm, Observational Study. US FDA 522 Pediatric Post Market Surveillance Study.",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Acute Kidney Injury",
        "Fluid Overload"
      ],
      "interventions": [
        {
          "name": "Carpediem System",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Mozarc Medical US LLC",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 36,
      "start_date": "2021-01-20",
      "completion_date": "2026-04-30",
      "has_results": false,
      "last_update_posted_date": "2026-09-14",
      "last_synced_at": "2026-09-23T07:42:50.969Z",
      "location_count": 6,
      "location_summary": "Iowa City, Iowa • Rochester, Minnesota • Rochester, New York + 3 more",
      "locations": [
        {
          "city": "Iowa City",
          "state": "Iowa"
        },
        {
          "city": "Rochester",
          "state": "Minnesota"
        },
        {
          "city": "Rochester",
          "state": "New York"
        },
        {
          "city": "Cincinnati",
          "state": "Ohio"
        },
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04608149"
    }
  ]
}