{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=fecal+calprotectin",
    "query": {
      "intervention": "fecal calprotectin"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 21,
    "total_pages": 3,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=fecal+calprotectin&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-16T09:00:05.233Z",
  "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": "NCT05333471",
      "title": "Fecal Microbiota Transplantation for Chronic Granulomatous Disease-Associated Colitis",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Chronic Granulomatous Disease-associated Colitis"
      ],
      "interventions": [
        {
          "name": "MTP 101-LF",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "National Institute of Allergy and Infectious Diseases (NIAID)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "10 Years",
        "maximum_age": "60 Years",
        "sex": "ALL",
        "summary": "10 Years to 60 Years"
      },
      "enrollment_count": 20,
      "start_date": "2022-08-08",
      "completion_date": "2027-03-01",
      "has_results": false,
      "last_update_posted_date": "2026-03-31",
      "last_synced_at": "2026-09-16T09:00:05.233Z",
      "location_count": 1,
      "location_summary": "Bethesda, Maryland",
      "locations": [
        {
          "city": "Bethesda",
          "state": "Maryland"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05333471"
    },
    {
      "nct_id": "NCT07210580",
      "title": "Testing the Impact of Measurement-Based Care on Quality of Life and Disease Management Among Veterans With Inflammatory Bowel Disease",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Inflammatory Bowel Disease"
      ],
      "interventions": [
        {
          "name": "MBC-IBD Intervention",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Enhanced Treatment as Usual (E-TAU)",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL",
        "OTHER"
      ],
      "sponsor": "VA Office of Research and Development",
      "sponsor_class": "FED",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 250,
      "start_date": "2026-03-09",
      "completion_date": "2029-09-30",
      "has_results": false,
      "last_update_posted_date": "2026-03-11",
      "last_synced_at": "2026-09-16T09:00:05.233Z",
      "location_count": 4,
      "location_summary": "Decatur, Georgia • Ann Arbor, Michigan • Portland, Oregon + 1 more",
      "locations": [
        {
          "city": "Decatur",
          "state": "Georgia"
        },
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        },
        {
          "city": "Portland",
          "state": "Oregon"
        },
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT07210580"
    },
    {
      "nct_id": "NCT01849991",
      "title": "Safety and Effect of L. Reuteri on Biomarkers of Inflammation in Healthy Infants With Colic",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Gastrointestinal",
        "Colic"
      ],
      "interventions": [
        {
          "name": "Lactobacillus reuteri",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Placebo",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "The University of Texas Health Science Center, Houston",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "3 Weeks",
        "maximum_age": "3 Months",
        "sex": "ALL",
        "summary": "3 Weeks to 3 Months"
      },
      "enrollment_count": 21,
      "start_date": "2013-09",
      "completion_date": "2016-04",
      "has_results": false,
      "last_update_posted_date": "2018-01-30",
      "last_synced_at": "2026-09-16T09:00:05.233Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01849991"
    },
    {
      "nct_id": "NCT00577928",
      "title": "Value of Fecal Calprotectin",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Calprotectin",
        "Inflammatory Bowel Disease"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Indiana University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 171,
      "start_date": "2006-04",
      "completion_date": "2011-12",
      "has_results": false,
      "last_update_posted_date": "2015-08-10",
      "last_synced_at": "2026-09-16T09:00:05.233Z",
      "location_count": 1,
      "location_summary": "Indianapolis, Indiana",
      "locations": [
        {
          "city": "Indianapolis",
          "state": "Indiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00577928"
    },
    {
      "nct_id": "NCT02351635",
      "title": "BÜHLMANN fCAL™ ELISA - Aid in Differentiation of IBD From IBS",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Inflammatory Bowel Disease",
        "Irritable Bowel Syndrome"
      ],
      "interventions": [
        {
          "name": "fecal calprotectin level",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Bühlmann Laboratories AG",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "22 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "22 Years and older"
      },
      "enrollment_count": 478,
      "start_date": "2015-01",
      "completion_date": "2018-04",
      "has_results": false,
      "last_update_posted_date": "2019-01-18",
      "last_synced_at": "2026-09-16T09:00:05.233Z",
      "location_count": 7,
      "location_summary": "Palo Alto, California • Miami, Florida • Macon, Georgia + 4 more",
      "locations": [
        {
          "city": "Palo Alto",
          "state": "California"
        },
        {
          "city": "Miami",
          "state": "Florida"
        },
        {
          "city": "Macon",
          "state": "Georgia"
        },
        {
          "city": "Urbana",
          "state": "Illinois"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02351635"
    },
    {
      "nct_id": "NCT04005456",
      "title": "Personalized Lifestyle Intervention for Improving Functional Health Outcomes Using N-of-1 Tent-Umbrella-Bucket Design",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Health, Subjective",
        "Gastrointestinal Dysfunction",
        "Cardiovascular Risk Factor",
        "Autoimmune Diseases",
        "Dental Diseases",
        "Hormone Disturbance",
        "Neurocognitive Dysfunction"
      ],
      "interventions": [
        {
          "name": "Supplements and/or medical foods",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Behavioral change support program",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Food plan",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT",
        "BEHAVIORAL",
        "OTHER"
      ],
      "sponsor": "Metagenics, Inc.",
      "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": 400,
      "start_date": "2018-09-01",
      "completion_date": "2022-12-31",
      "has_results": false,
      "last_update_posted_date": "2023-10-30",
      "last_synced_at": "2026-09-16T09:00:05.233Z",
      "location_count": 1,
      "location_summary": "Gig Harbor, Washington",
      "locations": [
        {
          "city": "Gig Harbor",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04005456"
    },
    {
      "nct_id": "NCT05610527",
      "title": "Hormonal Influences on Inflammatory Bowel Diseases",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Inflammatory Bowel Diseases",
        "Contraception",
        "Menstrual Problem"
      ],
      "interventions": [
        {
          "name": "Proposed study design and randomization scenarios",
          "type": "OTHER"
        },
        {
          "name": "Repeated measures of validated Inflammatory Bowel Disease Patient Reported Outcome Instruments",
          "type": "OTHER"
        },
        {
          "name": "Inflammatory marker collection and assessment for correlation with PRO responses and menstrual timing",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Utah",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "45 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 45 Years · Female only"
      },
      "enrollment_count": 50,
      "start_date": "2025-07-01",
      "completion_date": "2025-12-09",
      "has_results": false,
      "last_update_posted_date": "2026-04-17",
      "last_synced_at": "2026-09-16T09:00:05.233Z",
      "location_count": 1,
      "location_summary": "Salt Lake City, Utah",
      "locations": [
        {
          "city": "Salt Lake City",
          "state": "Utah"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05610527"
    },
    {
      "nct_id": "NCT05660746",
      "title": "Precise Infliximab Exposure and Pharmacodynamic Control",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2",
        "PHASE3"
      ],
      "conditions": [
        "Crohn Disease"
      ],
      "interventions": [
        {
          "name": "RoadMAB",
          "type": "DEVICE"
        },
        {
          "name": "Infliximab",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "DRUG"
      ],
      "sponsor": "Children's Hospital Medical Center, Cincinnati",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "6 Years",
        "maximum_age": "22 Years",
        "sex": "ALL",
        "summary": "6 Years to 22 Years"
      },
      "enrollment_count": 180,
      "start_date": "2023-07-01",
      "completion_date": "2027-03-31",
      "has_results": false,
      "last_update_posted_date": "2026-05-05",
      "last_synced_at": "2026-09-16T09:00:05.233Z",
      "location_count": 11,
      "location_summary": "Los Angeles, California • Palo Alto, California • San Diego, California + 8 more",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Palo Alto",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "Wilmington",
          "state": "Delaware"
        },
        {
          "city": "Jacksonville",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05660746"
    },
    {
      "nct_id": "NCT06810518",
      "title": "ALPCO Calprotectin CLIA Assay - Measurement of Calprotectin Levels in Human Stool",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Inflammatory Bowel Disease (Crohn's Disease and Ulcerative Colitis)",
        "Inflammatory Bowel Syndrome"
      ],
      "interventions": [
        {
          "name": "ALPCO Calprotectin CLIA",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "American Laboratory Products Company",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "22 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "22 Years and older"
      },
      "enrollment_count": 220,
      "start_date": "2025-03-25",
      "completion_date": "2026-12-31",
      "has_results": false,
      "last_update_posted_date": "2026-04-28",
      "last_synced_at": "2026-09-16T09:00:05.233Z",
      "location_count": 3,
      "location_summary": "Miami, Florida • Salem, New Hampshire • Westlake, Ohio",
      "locations": [
        {
          "city": "Miami",
          "state": "Florida"
        },
        {
          "city": "Salem",
          "state": "New Hampshire"
        },
        {
          "city": "Westlake",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06810518"
    },
    {
      "nct_id": "NCT00409396",
      "title": "A Study to Determine Whether Urinary PGE-M Levels Correlate With Ulcerative Colitis Disease",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Ulcerative Colitis"
      ],
      "interventions": [
        {
          "name": "Urinary PGEm level",
          "type": "PROCEDURE"
        },
        {
          "name": "fecal calprotectin",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Vanderbilt University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 35,
      "start_date": "2006-11",
      "completion_date": "2007-12",
      "has_results": false,
      "last_update_posted_date": "2015-06-09",
      "last_synced_at": "2026-09-16T09:00:05.233Z",
      "location_count": 1,
      "location_summary": "Nashville, Tennessee",
      "locations": [
        {
          "city": "Nashville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00409396"
    }
  ]
}