{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Observation+only&page=18",
    "query": {
      "intervention": "Observation only",
      "page": 18
    },
    "page_size": 10
  },
  "pagination": {
    "page": 18,
    "page_size": 10,
    "total_count": 878,
    "total_pages": 88,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Observation+only&page=19&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Observation+only&page=17&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-31T00:41:57.772Z",
  "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": "NCT01669720",
      "title": "Adjuvant Aflibercept for Metastatic Colorectal Cancer",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Metastatic Colorectal Cancer"
      ],
      "interventions": [
        {
          "name": "Aflibercept",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Brown University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 10,
      "start_date": "2012-12",
      "completion_date": "2016-01",
      "has_results": true,
      "last_update_posted_date": "2020-02-17",
      "last_synced_at": "2026-10-31T00:41:57.772Z",
      "location_count": 2,
      "location_summary": "Providence, Rhode Island",
      "locations": [
        {
          "city": "Providence",
          "state": "Rhode Island"
        },
        {
          "city": "Providence",
          "state": "Rhode Island"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01669720"
    },
    {
      "nct_id": "NCT06349642",
      "title": "Immune Checkpoint Inhibitor Response in Solid Tumors Using a Live Tumor Diagnostic Platform",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Early Stage Triple-Negative Breast Carcinoma",
        "Metastatic Bladder Urothelial Carcinoma",
        "Metastatic Cervical Carcinoma",
        "Metastatic Clear Cell Renal Cell Carcinoma",
        "Metastatic Colorectal Carcinoma",
        "Metastatic Endometrial Carcinoma",
        "Metastatic Esophageal Carcinoma",
        "Metastatic Liver Carcinoma",
        "Metastatic Lung Non-Small Cell Carcinoma",
        "Metastatic Malignant Skin Neoplasm",
        "Metastatic Malignant Solid Neoplasm",
        "Resectable Lung Non-Small Cell Carcinoma",
        "Early Stage Lung Non-Small Cell Carcinoma",
        "Resectable Malignant Solid Neoplasm",
        "Resectable Triple-Negative Breast Carcinoma",
        "Stage III Renal Cell Cancer AJCC v8",
        "Stage IV Cervical Cancer AJCC v8",
        "Stage IV Renal Cell Cancer AJCC v8",
        "Stage IV Uterine Corpus Carcinoma or Carcinosarcoma AJCC v8",
        "Recurrent Cervical Carcinoma",
        "Recurrent Colorectal Carcinoma",
        "Recurrent Endometrial Carcinoma",
        "Recurrent Esophageal Carcinoma",
        "Recurrent Liver Carcinoma",
        "Recurrent Lung Non-Small Cell Carcinoma",
        "Recurrent Malignant Skin Neoplasm",
        "Recurrent Malignant Solid Neoplasm"
      ],
      "interventions": [
        {
          "name": "Biospecimen Collection",
          "type": "PROCEDURE"
        },
        {
          "name": "Tissue Collection",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Mayo Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 324,
      "start_date": "2024-04-24",
      "completion_date": "2027-05",
      "has_results": false,
      "last_update_posted_date": "2026-03-12",
      "last_synced_at": "2026-10-31T00:41:57.772Z",
      "location_count": 3,
      "location_summary": "Phoenix, Arizona • Jacksonville, Florida • Rochester, Minnesota",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Jacksonville",
          "state": "Florida"
        },
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06349642"
    },
    {
      "nct_id": "NCT07176117",
      "title": "Surfactant Using a Supraglottic Airway Device in Late Preterm to Early Term Infants",
      "overall_status": "ENROLLING_BY_INVITATION",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Respiratory Distress Syndrome (Neonatal)",
        "Surfactant"
      ],
      "interventions": [
        {
          "name": "Surfactant Administration Through Laryngeal or Supraglottic Airway (SALSA)",
          "type": "PROCEDURE"
        },
        {
          "name": "Continuous Positive Airway Pressure (CPAP)",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Sharp HealthCare",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "33 Weeks",
        "maximum_age": "38 Weeks",
        "sex": "ALL",
        "summary": "33 Weeks to 38 Weeks"
      },
      "enrollment_count": 422,
      "start_date": "2025-11-20",
      "completion_date": "2031-06-30",
      "has_results": false,
      "last_update_posted_date": "2026-07-13",
      "last_synced_at": "2026-10-31T00:41:57.772Z",
      "location_count": 3,
      "location_summary": "Chula Vista, California • La Mesa, California • San Diego, California",
      "locations": [
        {
          "city": "Chula Vista",
          "state": "California"
        },
        {
          "city": "La Mesa",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07176117"
    },
    {
      "nct_id": "NCT06315023",
      "title": "The Percutaneous Transmural Arterial Bypass -1 Study (Post Approval Registry)",
      "overall_status": "ENROLLING_BY_INVITATION",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Peripheral Arterial Disease",
        "Symptomatic Femoropopliteal Lesions"
      ],
      "interventions": [
        {
          "name": "DETOUR System",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Endologix",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 450,
      "start_date": "2023-10-06",
      "completion_date": "2032-06-07",
      "has_results": false,
      "last_update_posted_date": "2026-05-12",
      "last_synced_at": "2026-10-31T00:41:57.772Z",
      "location_count": 10,
      "location_summary": "Salinas, California • Storrs, Connecticut • Washington D.C., District of Columbia + 7 more",
      "locations": [
        {
          "city": "Salinas",
          "state": "California"
        },
        {
          "city": "Storrs",
          "state": "Connecticut"
        },
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        },
        {
          "city": "Delray Beach",
          "state": "Florida"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06315023"
    },
    {
      "nct_id": "NCT06476886",
      "title": "Intensive Crisis Intervention",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Suicide",
        "Suicidal Ideation",
        "Suicide, Attempted",
        "Suicide and Self-harm",
        "Suicide Threat"
      ],
      "interventions": [
        {
          "name": "Intensive Crisis Intervention (ICI)",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Adolescent Psychiatric Inpatient Unit (APIU)",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Jennifer Hughes",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": "17 Years",
        "sex": "ALL",
        "summary": "12 Years to 17 Years"
      },
      "enrollment_count": 213,
      "start_date": "2024-06-03",
      "completion_date": "2027-07-31",
      "has_results": false,
      "last_update_posted_date": "2026-09-21",
      "last_synced_at": "2026-10-31T00:41:57.772Z",
      "location_count": 1,
      "location_summary": "Columbus, Ohio",
      "locations": [
        {
          "city": "Columbus",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06476886"
    },
    {
      "nct_id": "NCT00908960",
      "title": "Enoxaparin Thromboprophylaxis in Cancer Patients With Elevated Tissue Factor Bearing Microparticles",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Advanced Pancreatic, Colon, Lung, Gastric and Ovarian Cancer"
      ],
      "interventions": [
        {
          "name": "Enoxaparin",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Beth Israel Deaconess Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 70,
      "start_date": "2009-05",
      "completion_date": "2012-10",
      "has_results": true,
      "last_update_posted_date": "2017-12-19",
      "last_synced_at": "2026-10-31T00:41:57.772Z",
      "location_count": 5,
      "location_summary": "Los Angeles, California • Boston, Massachusetts • Danvers, Massachusetts",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Danvers",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00908960"
    },
    {
      "nct_id": "NCT07024823",
      "title": "A Study to Investigate Safety, Tolerability, Pharmacokinetics, and Pharmacodynamics of AZD4248 in Healthy Participants and Participants With Chronic Kidney Disease and Type 2 Diabetes and to Assess Home Measurements of Creatinine in a Non Interventional Cohort",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Chronic Kidney Disease"
      ],
      "interventions": [
        {
          "name": "AZD4248",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "AstraZeneca",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "18 Years to 75 Years"
      },
      "enrollment_count": 124,
      "start_date": "2025-06-09",
      "completion_date": "2026-12-25",
      "has_results": false,
      "last_update_posted_date": "2026-08-12",
      "last_synced_at": "2026-10-31T00:41:57.772Z",
      "location_count": 5,
      "location_summary": "Glendale, California • Chicago, Illinois • Ann Arbor, Michigan + 2 more",
      "locations": [
        {
          "city": "Glendale",
          "state": "California"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        },
        {
          "city": "Saint Paul",
          "state": "Minnesota"
        },
        {
          "city": "San Antonio",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07024823"
    },
    {
      "nct_id": "NCT04001413",
      "title": "Therapy for High-Risk HPV 16-Positive Oropharynx Cancer Patients",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "HPV Positive Oropharyngeal Squamous Cell Carcinoma",
        "Oropharynx Cancer",
        "HPV-Related Carcinoma"
      ],
      "interventions": [
        {
          "name": "MEDI0457",
          "type": "DRUG"
        },
        {
          "name": "Durvalumab",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Sidney Kimmel Comprehensive Cancer Center at Johns Hopkins",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 0,
      "start_date": "2019-09-17",
      "completion_date": "2021-03-25",
      "has_results": false,
      "last_update_posted_date": "2022-07-29",
      "last_synced_at": "2026-10-31T00:41:57.772Z",
      "location_count": 4,
      "location_summary": "Baltimore, Maryland • New York, New York • Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Baltimore",
          "state": "Maryland"
        },
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "New York",
          "state": "New York"
        },
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04001413"
    },
    {
      "nct_id": "NCT05653206",
      "title": "Incomplete Cervical SCI Without Instability",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Cervical Spinal Cord Injury"
      ],
      "interventions": [
        {
          "name": "Nonsurgical treatment",
          "type": "PROCEDURE"
        },
        {
          "name": "Surgical treatment",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "AO Foundation, AO Spine",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "18 Years to 80 Years"
      },
      "enrollment_count": 50,
      "start_date": "2023-12-11",
      "completion_date": "2026-08-18",
      "has_results": false,
      "last_update_posted_date": "2026-10-06",
      "last_synced_at": "2026-10-31T00:41:57.772Z",
      "location_count": 3,
      "location_summary": "San Francisco, California • Baltimore, Maryland • Milwaukee, Wisconsin",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Baltimore",
          "state": "Maryland"
        },
        {
          "city": "Milwaukee",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05653206"
    },
    {
      "nct_id": "NCT04814914",
      "title": "An Observational Clinical Study to Evaluate COVID-19 Symptoms in \"Long Hauler\" Patients Who Participated in K031-120 or K032-120",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "COVID-19"
      ],
      "interventions": [
        {
          "name": "KB109 + Self Supportive Care",
          "type": "OTHER"
        },
        {
          "name": "Self Supportive Care (SSC) Alone",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Kaleido Biosciences",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": null,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 333,
      "start_date": "2021-03-25",
      "completion_date": "2021-05-28",
      "has_results": false,
      "last_update_posted_date": "2021-08-18",
      "last_synced_at": "2026-10-31T00:41:57.772Z",
      "location_count": 2,
      "location_summary": "Hot Springs, Arkansas • Chicago, Illinois",
      "locations": [
        {
          "city": "Hot Springs",
          "state": "Arkansas"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04814914"
    }
  ]
}