{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Observational+only&page=23",
    "query": {
      "intervention": "Observational only",
      "page": 23
    },
    "page_size": 10
  },
  "pagination": {
    "page": 23,
    "page_size": 10,
    "total_count": 825,
    "total_pages": 83,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Observational+only&page=24&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Observational+only&page=22&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-23T00:08:14.057Z",
  "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": "NCT03044379",
      "title": "Dapivirine Gel Rectal Safety and PK Study",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "HIV 1 Infection"
      ],
      "interventions": [
        {
          "name": "Dapivirine gel (0.05%)",
          "type": "DRUG"
        },
        {
          "name": "Universal HEC placebo gel",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "International Partnership for Microbicides, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "45 Years",
        "sex": "ALL",
        "summary": "18 Years to 45 Years"
      },
      "enrollment_count": 0,
      "start_date": "2015-09-29",
      "completion_date": "2017-11",
      "has_results": false,
      "last_update_posted_date": "2017-02-08",
      "last_synced_at": "2026-10-23T00:08:14.057Z",
      "location_count": 1,
      "location_summary": "Pittsburgh, Pennsylvania",
      "locations": [
        {
          "city": "Pittsburgh",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03044379"
    },
    {
      "nct_id": "NCT07339254",
      "title": "Experiences w/ & Attitudes Towards Immune Chckpt Inhibitors in NSCLC Patients Single Center Survey Based Study",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Lung Non-Small Cell Carcinoma"
      ],
      "interventions": [
        {
          "name": "Non-Interventional Study",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Southern California",
      "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": "2026-03-12",
      "completion_date": "2028-03-12",
      "has_results": false,
      "last_update_posted_date": "2026-03-16",
      "last_synced_at": "2026-10-23T00:08:14.057Z",
      "location_count": 2,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07339254"
    },
    {
      "nct_id": "NCT01623856",
      "title": "Studying Genes Associated With Non-Hodgkin Lymphoma in Young Patients",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Childhood Burkitt Lymphoma",
        "Childhood Lymphoblastic Lymphoma"
      ],
      "interventions": [
        {
          "name": "laboratory biomarker analysis",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Children's Oncology Group",
      "sponsor_class": "NETWORK",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": "20 Years",
        "sex": "ALL",
        "summary": "Up to 20 Years"
      },
      "enrollment_count": 483,
      "start_date": "2012-06",
      "completion_date": "2012-06",
      "has_results": false,
      "last_update_posted_date": "2015-05-07",
      "last_synced_at": "2026-10-23T00:08:14.057Z",
      "location_count": 1,
      "location_summary": "Monrovia, California",
      "locations": [
        {
          "city": "Monrovia",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01623856"
    },
    {
      "nct_id": "NCT02807545",
      "title": "Scoliosis-Specific Exercises for At-Risk AIS Curves",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Adolescent Idiopathic Scoliosis"
      ],
      "interventions": [
        {
          "name": "Scoliosis Specific Exercises",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Texas Scottish Rite Hospital for Children",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "10 Years",
        "maximum_age": "17 Years",
        "sex": "ALL",
        "summary": "10 Years to 17 Years"
      },
      "enrollment_count": 98,
      "start_date": "2016-08-02",
      "completion_date": "2023-10",
      "has_results": true,
      "last_update_posted_date": "2025-01-22",
      "last_synced_at": "2026-10-23T00:08:14.057Z",
      "location_count": 6,
      "location_summary": "Louisville, Kentucky • Baltimore, Maryland • Boston, Massachusetts + 3 more",
      "locations": [
        {
          "city": "Louisville",
          "state": "Kentucky"
        },
        {
          "city": "Baltimore",
          "state": "Maryland"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "Dallas",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02807545"
    },
    {
      "nct_id": "NCT00112957",
      "title": "Vaccine Therapy in Patients With Stage II, III, or IV Epithelial Ovarian, Fallopian Tube, or Peritoneal Cancer",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Fallopian Tube Cancer",
        "Ovarian Cancer",
        "Peritoneal Cavity Cancer"
      ],
      "interventions": [
        {
          "name": "rV-NY-ESO-1 vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "rF-NY-ESO-1 vaccine",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Ludwig Institute for Cancer Research",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "18 Years and older · Female only"
      },
      "enrollment_count": 23,
      "start_date": "2004-12",
      "completion_date": "2009-05",
      "has_results": true,
      "last_update_posted_date": "2023-10-04",
      "last_synced_at": "2026-10-23T00:08:14.057Z",
      "location_count": 1,
      "location_summary": "Buffalo, New York",
      "locations": [
        {
          "city": "Buffalo",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00112957"
    },
    {
      "nct_id": "NCT02264327",
      "title": "Phase II Motivational Interviewing: An Experiential Online Training Tool",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Substance Use Disorders",
        "Chronic Mental Disorder",
        "HIV/AIDS"
      ],
      "interventions": [
        {
          "name": "Motivational Interviewing Simulator (SIM)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Motivational Interviewing eBook (eBook)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Motivational Interviewing Training (MI Training)",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Center for Social Innovation, Massachusetts",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "21 Years to 70 Years"
      },
      "enrollment_count": 3816,
      "start_date": "2016-08",
      "completion_date": "2017-10-01",
      "has_results": false,
      "last_update_posted_date": "2017-10-16",
      "last_synced_at": "2026-10-23T00:08:14.057Z",
      "location_count": 1,
      "location_summary": "Needham, Massachusetts",
      "locations": [
        {
          "city": "Needham",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02264327"
    },
    {
      "nct_id": "NCT01990066",
      "title": "Home Based Exercise Program for Elderly Cancer Patients",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cancer Related Fatigue"
      ],
      "interventions": [
        {
          "name": "Home Based Exercise",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Duke University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "65 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "65 Years and older · Female only"
      },
      "enrollment_count": 8,
      "start_date": "2014-03",
      "completion_date": "2014-11",
      "has_results": false,
      "last_update_posted_date": "2014-12-24",
      "last_synced_at": "2026-10-23T00:08:14.057Z",
      "location_count": 1,
      "location_summary": "Raleigh, North Carolina",
      "locations": [
        {
          "city": "Raleigh",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01990066"
    },
    {
      "nct_id": "NCT06689956",
      "title": "Outcomes of Low-Risk Endometrial Cancer With Isolated Tumor Cells in the Sentinel Lymph Nodes: A Prospective, Multicenter, Single-Arm Observational Study",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "FIGO Grade 1 Endometrial Endometrioid Adenocarcinoma",
        "FIGO Grade 2 Endometrial Endometrioid Adenocarcinoma",
        "Stage IA1 Endometrial Cancer FIGO 2023",
        "Stage IA2 Endometrial Cancer FIGO 2023"
      ],
      "interventions": [
        {
          "name": "Non-Interventional Study",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Mayo Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 212,
      "start_date": "2024-12-04",
      "completion_date": "2029-10-31",
      "has_results": false,
      "last_update_posted_date": "2026-02-19",
      "last_synced_at": "2026-10-23T00:08:14.057Z",
      "location_count": 3,
      "location_summary": "Rochester, Minnesota • New York, New York • Houston, Texas",
      "locations": [
        {
          "city": "Rochester",
          "state": "Minnesota"
        },
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06689956"
    },
    {
      "nct_id": "NCT02832505",
      "title": "Applications of MRI in Kidney Disease",
      "overall_status": "WITHDRAWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Chronic Kidney Disease",
        "End-stage Kidney Disease"
      ],
      "interventions": [
        {
          "name": "No intervention but only observational",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Minnesota",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "45 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "45 Years and older"
      },
      "enrollment_count": 0,
      "start_date": "2025-10-30",
      "completion_date": "2028-08-30",
      "has_results": false,
      "last_update_posted_date": "2025-03-25",
      "last_synced_at": "2026-10-23T00:08:14.057Z",
      "location_count": 1,
      "location_summary": "Minneapolis, Minnesota",
      "locations": [
        {
          "city": "Minneapolis",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02832505"
    },
    {
      "nct_id": "NCT00075829",
      "title": "Stem Cell Transplantation in Individuals With Multiple Myeloma (BMT CTN 0102)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Multiple Myeloma"
      ],
      "interventions": [
        {
          "name": "One Autologous Transplant",
          "type": "PROCEDURE"
        },
        {
          "name": "Non-Myeloablative Allogeneic Transplant",
          "type": "PROCEDURE"
        },
        {
          "name": "Second Autologous Transplant",
          "type": "PROCEDURE"
        },
        {
          "name": "Thalidomide",
          "type": "DRUG"
        },
        {
          "name": "Dexamethasone",
          "type": "DRUG"
        },
        {
          "name": "Observation",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "PROCEDURE",
        "DRUG",
        "BEHAVIORAL"
      ],
      "sponsor": "National Heart, Lung, and Blood Institute (NHLBI)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "Up to 70 Years"
      },
      "enrollment_count": 710,
      "start_date": "2003-12",
      "completion_date": "2013-03",
      "has_results": true,
      "last_update_posted_date": "2021-11-01",
      "last_synced_at": "2026-10-23T00:08:14.057Z",
      "location_count": 36,
      "location_summary": "Birmingham, Alabama • Phoenix, Arizona • Duarte, California + 28 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Duarte",
          "state": "California"
        },
        {
          "city": "La Jolla",
          "state": "California"
        },
        {
          "city": "La Jolla",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00075829"
    }
  ]
}