{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Clinical+Observation&page=24",
    "query": {
      "intervention": "Clinical Observation",
      "page": 24
    },
    "page_size": 10
  },
  "pagination": {
    "page": 24,
    "page_size": 10,
    "total_count": 2281,
    "total_pages": 229,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Clinical+Observation&page=25&page_size=10",
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Clinical+Observation&page=23&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-10-18T12:00:25.945Z",
  "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": "NCT06379971",
      "title": "Maternal Choline Supplementation and Cannabis Use During Pregnancy: Impact on Early Brain Development",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Child Development",
        "Cannabis Use"
      ],
      "interventions": [
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "Choline",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Colorado, Denver",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "45 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 45 Years · Female only"
      },
      "enrollment_count": 140,
      "start_date": "2024-11-25",
      "completion_date": "2029-04-30",
      "has_results": false,
      "last_update_posted_date": "2025-02-03",
      "last_synced_at": "2026-10-18T12:00:25.945Z",
      "location_count": 1,
      "location_summary": "Aurora, Colorado",
      "locations": [
        {
          "city": "Aurora",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06379971"
    },
    {
      "nct_id": "NCT05062863",
      "title": "An Observational Clinical Study of the T3 Dental Implant System",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Edentulous Jaw"
      ],
      "interventions": [
        {
          "name": "T3 dental implant system",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "ZimVie",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 139,
      "start_date": "2021-10-20",
      "completion_date": "2026-07-01",
      "has_results": false,
      "last_update_posted_date": "2026-07-28",
      "last_synced_at": "2026-10-18T12:00:25.945Z",
      "location_count": 3,
      "location_summary": "Gainesville, Florida • Neptune City, New Jersey • Richmond, Virginia",
      "locations": [
        {
          "city": "Gainesville",
          "state": "Florida"
        },
        {
          "city": "Neptune City",
          "state": "New Jersey"
        },
        {
          "city": "Richmond",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05062863"
    },
    {
      "nct_id": "NCT04352634",
      "title": "The Covid-19 HEalth caRe wOrkErS (HEROES) Study",
      "overall_status": "UNKNOWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Covid-19",
        "Mental Health Disorder",
        "Stress Disorder",
        "Anxiety",
        "Depression",
        "SARS-CoV-2"
      ],
      "interventions": [
        {
          "name": "Exposure to the SARS-CoV-2 and its consequences",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Chile",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 2000,
      "start_date": "2020-04-26",
      "completion_date": "2021-12-31",
      "has_results": false,
      "last_update_posted_date": "2021-04-01",
      "last_synced_at": "2026-10-18T12:00:25.945Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04352634"
    },
    {
      "nct_id": "NCT00631904",
      "title": "St. Mary's Duluth Clinic (SMDC) Pacemaker Magnetic Resonance Imaging (MRI) Study",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Cardiovascular Disease"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Essentia Health",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 150,
      "start_date": "2005-01",
      "completion_date": "2011-07",
      "has_results": false,
      "last_update_posted_date": "2011-09-02",
      "last_synced_at": "2026-10-18T12:00:25.945Z",
      "location_count": 1,
      "location_summary": "Duluth, Minnesota",
      "locations": [
        {
          "city": "Duluth",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00631904"
    },
    {
      "nct_id": "NCT03872544",
      "title": "Short Term Status of Free Dermal Fat Autografts for Complex Craniofacial Wounds",
      "overall_status": "UNKNOWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Wound; Head, Multiple",
        "Wound; Head, Scalp",
        "Wound; Head",
        "Wound Infection",
        "Wound Complication",
        "Wound Dehiscence",
        "Wound of Skin",
        "Wound Open",
        "Wounds, Penetrating",
        "Wounds, Nonpenetrating",
        "Wounds and Injuries",
        "Wounds",
        "Disturbance of Wound Healing",
        "Facial Bones Fracture",
        "Soft Tissue Injuries",
        "Skull Fractures",
        "Surgical Wound",
        "Surgical Wound Infection",
        "Wound Healing"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Dufresne, Craig, MD, PC",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 20,
      "start_date": "2023-09-20",
      "completion_date": "2025-11-11",
      "has_results": false,
      "last_update_posted_date": "2022-06-16",
      "last_synced_at": "2026-10-18T12:00:25.945Z",
      "location_count": 1,
      "location_summary": "Fairfax, Virginia",
      "locations": [
        {
          "city": "Fairfax",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03872544"
    },
    {
      "nct_id": "NCT06406114",
      "title": "Optimizing the Diagnostic Approach to Cephalosporin Allergy Testing",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Drug Allergy",
        "Cephalosporin Allergy",
        "Drug Hypersensitivity",
        "Antibiotic Allergy",
        "Beta Lactam Adverse Reaction",
        "Drug-Induced Anaphylaxis",
        "Cephalosporin Reaction"
      ],
      "interventions": [
        {
          "name": "Beta-lactam antibiotic (cefazolin, cefuroxime, cefotaxime, ceftazidime, ceftriaxone, cefepime, pre-pen, penicillin G, ampicillin, and histamine) double-blind skin testing",
          "type": "DRUG"
        },
        {
          "name": "Culprit cephalosporin (cefazolin, ceftazidime, ceftriaxone, cefepime, cephalexin, cefaclor, cefadroxil, cefuroxime, cefpodoxime, cefdinir, or cefixime) double-blind placebo-controlled drug challenge",
          "type": "DRUG"
        },
        {
          "name": "Similar cephalosporin (cefepime, ceftriaxone, cefaclor, cephalexin, cefixime, or cefdinir) antibiotic double-blind placebo-controlled drug challenge",
          "type": "DRUG"
        },
        {
          "name": "Dissimilar cephalosporin (ceftriaxone or cefazolin) antibiotic double-blind placebo-controlled drug challenge",
          "type": "DRUG"
        },
        {
          "name": "Amoxicillin double-blind placebo-controlled drug challenge",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Massachusetts General Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "18 Years to 70 Years"
      },
      "enrollment_count": 300,
      "start_date": "2025-05-05",
      "completion_date": "2028-12-31",
      "has_results": false,
      "last_update_posted_date": "2026-09-04",
      "last_synced_at": "2026-10-18T12:00:25.945Z",
      "location_count": 6,
      "location_summary": "Scottsdale, Arizona • San Francisco, California • Boston, Massachusetts + 3 more",
      "locations": [
        {
          "city": "Scottsdale",
          "state": "Arizona"
        },
        {
          "city": "San Francisco",
          "state": "California"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Rochester",
          "state": "New York"
        },
        {
          "city": "Nashville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06406114"
    },
    {
      "nct_id": "NCT02685098",
      "title": "A Clinical and Histological Analysis of Mesenchymal Stem Cells in Amputation",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Ischemia",
        "Peripheral Arterial Disease",
        "Peripheral Vascular Disease",
        "Vascular Disease",
        "Arterial Occlusive Disease",
        "Arteriosclerosis",
        "Atherosclerosis",
        "Cardiovascular Disease",
        "Pathologic Processes",
        "Orthopedic Procedures",
        "Amputation"
      ],
      "interventions": [
        {
          "name": "Allogeneic bone marrow derived mesenchymal stem cells",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Indiana University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": "90 Years",
        "sex": "ALL",
        "summary": "40 Years to 90 Years"
      },
      "enrollment_count": 81,
      "start_date": "2017-01-23",
      "completion_date": "2023-10-03",
      "has_results": false,
      "last_update_posted_date": "2025-09-23",
      "last_synced_at": "2026-10-18T12:00:25.945Z",
      "location_count": 1,
      "location_summary": "Indianapolis, Indiana",
      "locations": [
        {
          "city": "Indianapolis",
          "state": "Indiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02685098"
    },
    {
      "nct_id": "NCT03849716",
      "title": "Evaluation of Biomarkers of Atopic Dermatitis in Pediatric Patients (PEDISTAD BIOMARKER STUDY)",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Dermatitis Atopic"
      ],
      "interventions": [
        {
          "name": "Blood sample",
          "type": "OTHER"
        },
        {
          "name": "Cheek swab",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Sanofi",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "0 Years",
        "maximum_age": "11 Years",
        "sex": "ALL",
        "summary": "0 Years to 11 Years"
      },
      "enrollment_count": 266,
      "start_date": "2019-04-05",
      "completion_date": "2026-04-20",
      "has_results": false,
      "last_update_posted_date": "2026-07-06",
      "last_synced_at": "2026-10-18T12:00:25.945Z",
      "location_count": 22,
      "location_summary": "Birmingham, Alabama • Montgomery, Alabama • Los Angeles, California + 16 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Montgomery",
          "state": "Alabama"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Madera",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03849716"
    },
    {
      "nct_id": "NCT00767234",
      "title": "Permission to Collect Blood Over Time for Research",
      "overall_status": "TERMINATED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Pancreatic Cancer",
        "Gastrointestinal Neoplasms",
        "Colon Rectal Cancer Adenocarcinoma",
        "Esophageal Cancer",
        "Gall Bladder Cancer",
        "Gastric (Stomach) Cancer",
        "Gastrooesophageal Cancer",
        "Gastrointestinal Stromal Tumor (GIST)",
        "Hepatobiliary Neoplasm",
        "Liver Carcinoma",
        "Gallbladder Carcinoma",
        "Bile Duct Carcinoma",
        "Carcinoma of the Large Intestine",
        "Anal Cancer"
      ],
      "interventions": [
        {
          "name": "Observation",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Stanford University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 104,
      "start_date": "2008-08",
      "completion_date": "2011-10",
      "has_results": false,
      "last_update_posted_date": "2016-07-11",
      "last_synced_at": "2026-10-18T12:00:25.945Z",
      "location_count": 1,
      "location_summary": "Stanford, California",
      "locations": [
        {
          "city": "Stanford",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00767234"
    },
    {
      "nct_id": "NCT05321563",
      "title": "Evaluating the Effectiveness of a Drug Education and Diversion Program for Middle and High School Students",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Adolescent Behavior",
        "Substance Use",
        "Youth",
        "Health Risk Behaviors"
      ],
      "interventions": [
        {
          "name": "iDECIDE (Drug Education Curriculum: Intervention, Diversion, and Empowerment)",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Massachusetts General Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "10 Years",
        "maximum_age": "22 Years",
        "sex": "ALL",
        "summary": "10 Years to 22 Years"
      },
      "enrollment_count": 132,
      "start_date": "2022-02-04",
      "completion_date": "2023-09-14",
      "has_results": false,
      "last_update_posted_date": "2024-12-05",
      "last_synced_at": "2026-10-18T12:00:25.945Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05321563"
    }
  ]
}