{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Serology",
    "query": {
      "intervention": "Serology"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 64,
    "total_pages": 7,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Serology&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-09T02:06:19.592Z",
  "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": "NCT04341441",
      "title": "Will Hydroxychloroquine Impede or Prevent COVID-19",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "COVID-19",
        "Coronavirus",
        "Coronavirus Infections",
        "SARS-CoV 2"
      ],
      "interventions": [
        {
          "name": "Hydroxychloroquine - Daily Dosing",
          "type": "DRUG"
        },
        {
          "name": "Hydroxychloroquine - Weekly Dosing",
          "type": "DRUG"
        },
        {
          "name": "Placebo oral tablet",
          "type": "OTHER"
        },
        {
          "name": "Monitoring Visit - Baseline",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Monitoring Visit - Week 4",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Monitoring Visit - Week 8",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Weekly Assessment",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER",
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Henry Ford Health System",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "18 Years to 75 Years"
      },
      "enrollment_count": 624,
      "start_date": "2020-04-07",
      "completion_date": "2020-12-15",
      "has_results": true,
      "last_update_posted_date": "2022-06-21",
      "last_synced_at": "2026-09-09T02:06:19.592Z",
      "location_count": 1,
      "location_summary": "Detroit, Michigan",
      "locations": [
        {
          "city": "Detroit",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04341441"
    },
    {
      "nct_id": "NCT03566407",
      "title": "Blood and Stool Molecular Biomarkers Longitudinal Detection Study in Crohn's Disease (CD) Patients",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Crohn's Disease"
      ],
      "interventions": [
        {
          "name": "Colonoscopy",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Prometheus Laboratories",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 41,
      "start_date": "2018-05-04",
      "completion_date": "2019-03-29",
      "has_results": false,
      "last_update_posted_date": "2019-06-07",
      "last_synced_at": "2026-09-09T02:06:19.592Z",
      "location_count": 5,
      "location_summary": "Los Angeles, California • Ventura, California • Hamden, Connecticut + 2 more",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Ventura",
          "state": "California"
        },
        {
          "city": "Hamden",
          "state": "Connecticut"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Milwaukee",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03566407"
    },
    {
      "nct_id": "NCT04389294",
      "title": "HSS Covid-19 Antibody Serology Among Surgeons & Anesthesiologists",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "COVID"
      ],
      "interventions": [
        {
          "name": "SARS-CoV2 serum antibody testing",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Hospital for Special Surgery, New York",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "21 Years and older"
      },
      "enrollment_count": 143,
      "start_date": "2020-05-05",
      "completion_date": "2020-09-04",
      "has_results": true,
      "last_update_posted_date": "2024-01-03",
      "last_synced_at": "2026-09-09T02:06:19.592Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04389294"
    },
    {
      "nct_id": "NCT01424644",
      "title": "A Phase 4, Placebo-Controlled, Randomized Study to Evaluate the Immunogenicity and Safety of HPV and Tdap When Administered With MenACWY in Adolescents",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Meningococcal Meningitis"
      ],
      "interventions": [
        {
          "name": "Placebo + Combined Tetanus, Reduced Diphtheria Toxoid, Acellular Pertussis Vaccine + Quadrivalent Human Papillomavirus Vaccine",
          "type": "BIOLOGICAL"
        },
        {
          "name": "MenACWY-CRM Conjugate Vaccine + Combined Tetanus, Reduced Diphtheria Toxoid, Acellular Pertussis Vaccine + Quadrivalent Human Papillomavirus Vaccine",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Novartis",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "11 Years",
        "maximum_age": "18 Years",
        "sex": "ALL",
        "summary": "11 Years to 18 Years"
      },
      "enrollment_count": 801,
      "start_date": "2011-09",
      "completion_date": "2012-12",
      "has_results": true,
      "last_update_posted_date": "2014-02-14",
      "last_synced_at": "2026-09-09T02:06:19.592Z",
      "location_count": 17,
      "location_summary": "Birmingham, Alabama • Fremont, California • Madera, California + 14 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Fremont",
          "state": "California"
        },
        {
          "city": "Madera",
          "state": "California"
        },
        {
          "city": "Colorado Springs",
          "state": "Colorado"
        },
        {
          "city": "Dayton",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01424644"
    },
    {
      "nct_id": "NCT02994602",
      "title": "Study of Serum Testosterone and Nestorone in Females After Secondary Exposure to Nestorone ® (NES) + Testosterone (T) Combined Gel Applied to Shoulders and Upper Arms in Males",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Healthy Men",
        "Male Contraception",
        "Healthy Women",
        "Product Transference"
      ],
      "interventions": [
        {
          "name": "Nestorone + Testosterone Combination Gel",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Kimberly Myer",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "50 Years",
        "sex": "ALL",
        "summary": "18 Years to 50 Years"
      },
      "enrollment_count": 26,
      "start_date": "2017-01",
      "completion_date": "2017-10",
      "has_results": true,
      "last_update_posted_date": "2026-02-09",
      "last_synced_at": "2026-09-09T02:06:19.592Z",
      "location_count": 2,
      "location_summary": "Torrance, California • Seattle, Washington",
      "locations": [
        {
          "city": "Torrance",
          "state": "California"
        },
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02994602"
    },
    {
      "nct_id": "NCT04024254",
      "title": "A Study of Serum Folate Levels in Patients Treated With Olaparib",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Ovarian Cancer",
        "Breast Cancer",
        "Folic Acid Deficiency"
      ],
      "interventions": [
        {
          "name": "Folic Acid Tablet",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Rush University Medical Center",
      "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": 10,
      "start_date": "2020-07-21",
      "completion_date": "2025-12-31",
      "has_results": true,
      "last_update_posted_date": "2026-03-04",
      "last_synced_at": "2026-09-09T02:06:19.592Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04024254"
    },
    {
      "nct_id": "NCT04723706",
      "title": "Response to SARS-CoV-2 Vaccine in Stem Cell Transplant and Cellular Therapy Patients",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Hematologic Disorders and Bone Marrow Failure, Hematopoietic Stem Cell Transplantation (HSCT) or Cellular Therapy (CART)"
      ],
      "interventions": [
        {
          "name": "COVID-19 serology IgG",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Henry Ford Health System",
      "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": 33,
      "start_date": "2021-03-19",
      "completion_date": "2024-01-02",
      "has_results": false,
      "last_update_posted_date": "2024-04-23",
      "last_synced_at": "2026-09-09T02:06:19.592Z",
      "location_count": 1,
      "location_summary": "Detroit, Michigan",
      "locations": [
        {
          "city": "Detroit",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04723706"
    },
    {
      "nct_id": "NCT04562285",
      "title": "Sustained Immunity to COVID-19 as Measured by SARS-CoV-2 Serology Assays",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Covid19"
      ],
      "interventions": [
        {
          "name": "Serologic immunoassays to SARS-CoV-2 antibodies",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Henry Ford Health System",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 829,
      "start_date": "2020-06-23",
      "completion_date": "2024-06-07",
      "has_results": false,
      "last_update_posted_date": "2025-12-03",
      "last_synced_at": "2026-09-09T02:06:19.592Z",
      "location_count": 1,
      "location_summary": "Detroit, Michigan",
      "locations": [
        {
          "city": "Detroit",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04562285"
    },
    {
      "nct_id": "NCT03201042",
      "title": "Lyme Test Indication Combinations (LyTIC) Study",
      "overall_status": "TERMINATED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Lyme Disease"
      ],
      "interventions": [
        {
          "name": "PCR based assay",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Serology based assay",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Tcell based assay",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Oxford Immunotec",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "5 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "5 Years and older"
      },
      "enrollment_count": 410,
      "start_date": "2017-06-08",
      "completion_date": "2018-11-30",
      "has_results": false,
      "last_update_posted_date": "2018-12-13",
      "last_synced_at": "2026-09-09T02:06:19.592Z",
      "location_count": 60,
      "location_summary": "Redding, California • New London, Connecticut • Norwalk, Connecticut + 53 more",
      "locations": [
        {
          "city": "Redding",
          "state": "California"
        },
        {
          "city": "New London",
          "state": "Connecticut"
        },
        {
          "city": "Norwalk",
          "state": "Connecticut"
        },
        {
          "city": "Stamford",
          "state": "Connecticut"
        },
        {
          "city": "Georgetown",
          "state": "Delaware"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03201042"
    },
    {
      "nct_id": "NCT00998933",
      "title": "Study of Serum Testosterone Levels in Non-dosed Females After Secondary Exposure",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Hypogonadism"
      ],
      "interventions": [
        {
          "name": "Testosterone gel 1.62%",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Solvay Pharmaceuticals",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "80 Years",
        "sex": "ALL",
        "summary": "18 Years to 80 Years"
      },
      "enrollment_count": 24,
      "start_date": "2009-10",
      "completion_date": "2009-10",
      "has_results": false,
      "last_update_posted_date": "2009-11-25",
      "last_synced_at": "2026-09-09T02:06:19.592Z",
      "location_count": 1,
      "location_summary": "Miami Gardens, Florida",
      "locations": [
        {
          "city": "Miami Gardens",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00998933"
    }
  ]
}