{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Gastrointestinal+Intolerance",
    "query": {
      "condition": "Gastrointestinal Intolerance"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 68,
    "total_pages": 7,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Gastrointestinal+Intolerance&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-06-26T12:19:25.497Z",
  "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": "NCT05668468",
      "title": "A Bifido Bacteria to Improve Lactose Digestion and Tolerance",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Lactose Intolerance"
      ],
      "interventions": [
        {
          "name": "Bifidobacterium adolescentis IVS-1 capsule",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Placebo cellulose capsule",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT",
        "OTHER"
      ],
      "sponsor": "Purdue University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 35,
      "start_date": "2022-05-01",
      "completion_date": "2024-05-01",
      "has_results": false,
      "last_update_posted_date": "2022-12-29",
      "last_synced_at": "2026-06-26T12:19:25.497Z",
      "location_count": 1,
      "location_summary": "West Lafayette, Indiana",
      "locations": [
        {
          "city": "West Lafayette",
          "state": "Indiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05668468"
    },
    {
      "nct_id": "NCT06628869",
      "title": "The Effects of Oral Fructanase Administration on Gastrointestinal Symptoms After Inulin Challenge in Healthy Adults",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Digestive Health",
        "Gastrointestinal Health",
        "FODMAP Intolerance",
        "Food Sensitivity"
      ],
      "interventions": [
        {
          "name": "Fructanase",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Maltodextrin placebo",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "BIO-CAT, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "20 Years",
        "maximum_age": "50 Years",
        "sex": "ALL",
        "summary": "20 Years to 50 Years"
      },
      "enrollment_count": 30,
      "start_date": "2024-11-04",
      "completion_date": "2024-12-17",
      "has_results": false,
      "last_update_posted_date": "2025-07-10",
      "last_synced_at": "2026-06-26T12:19:25.497Z",
      "location_count": 1,
      "location_summary": "Addison, Illinois",
      "locations": [
        {
          "city": "Addison",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06628869"
    },
    {
      "nct_id": "NCT03261856",
      "title": "Clinical Utility of Breath Tests in GI",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Small Intestinal Bacterial Overgrowth",
        "Lactose Intolerance",
        "Fructose Intolerance",
        "Glucose Intolerance"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Augusta University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 1080,
      "start_date": "2011-08-31",
      "completion_date": "2017-12-31",
      "has_results": false,
      "last_update_posted_date": "2020-02-17",
      "last_synced_at": "2026-06-26T12:19:25.497Z",
      "location_count": 1,
      "location_summary": "Augusta, Georgia",
      "locations": [
        {
          "city": "Augusta",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03261856"
    },
    {
      "nct_id": "NCT02690532",
      "title": "Gut Permeability Assessment in Celiac and Gluten Sensitive Children",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Celiac Disease"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Mayo Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "2 Years",
        "maximum_age": "17 Years",
        "sex": "ALL",
        "summary": "2 Years to 17 Years"
      },
      "enrollment_count": 40,
      "start_date": "2016-03",
      "completion_date": "2018-08-01",
      "has_results": false,
      "last_update_posted_date": "2018-08-15",
      "last_synced_at": "2026-06-26T12:19:25.497Z",
      "location_count": 1,
      "location_summary": "Rochester, Minnesota",
      "locations": [
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02690532"
    },
    {
      "nct_id": "NCT00763412",
      "title": "Pilot and Feasibility Study for the Treatment of Pre-diabetes in Patients With Cystic Fibrosis",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cystic Fibrosis Related Diabetes",
        "Pancreatic Insufficiency"
      ],
      "interventions": [
        {
          "name": "placebo",
          "type": "DRUG"
        },
        {
          "name": "repaglinide",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Arbelaez, Ana Maria",
      "sponsor_class": "INDIV",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "12 Years",
        "maximum_age": "24 Years",
        "sex": "ALL",
        "summary": "12 Years to 24 Years"
      },
      "enrollment_count": 31,
      "start_date": "2006-11",
      "completion_date": "2013-01",
      "has_results": true,
      "last_update_posted_date": "2017-06-05",
      "last_synced_at": "2026-06-26T12:19:25.497Z",
      "location_count": 1,
      "location_summary": "St Louis, Missouri",
      "locations": [
        {
          "city": "St Louis",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00763412"
    },
    {
      "nct_id": "NCT04166396",
      "title": "Non-pulmonary Contributors of Exercise Intolerance in Patients With Cystic Fibrosis",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "Cystic Fibrosis"
      ],
      "interventions": [
        {
          "name": "Resveratrol",
          "type": "DRUG"
        },
        {
          "name": "NR",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DRUG",
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Virginia Commonwealth University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 8,
      "start_date": "2020-02-17",
      "completion_date": "2024-07-30",
      "has_results": false,
      "last_update_posted_date": "2025-07-03",
      "last_synced_at": "2026-06-26T12:19:25.497Z",
      "location_count": 1,
      "location_summary": "Richmond, Virginia",
      "locations": [
        {
          "city": "Richmond",
          "state": "Virginia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04166396"
    },
    {
      "nct_id": "NCT01420263",
      "title": "Re-feeding Gastric Residuals in Preterm Infants",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Premature; Infant, Light-for-dates"
      ],
      "interventions": [
        {
          "name": "Re-feeding residuals",
          "type": "PROCEDURE"
        },
        {
          "name": "Fresh Feeding Breastmilk or Formula only",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "University of Alabama at Birmingham",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "1 Day",
        "maximum_age": "7 Days",
        "sex": "ALL",
        "summary": "1 Day to 7 Days"
      },
      "enrollment_count": 72,
      "start_date": "2011-08",
      "completion_date": "2013-01",
      "has_results": false,
      "last_update_posted_date": "2013-02-11",
      "last_synced_at": "2026-06-26T12:19:25.497Z",
      "location_count": 1,
      "location_summary": "Birmingham, Alabama",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01420263"
    },
    {
      "nct_id": "NCT04743960",
      "title": "Assessing Metabolic and Sleep Consequences of Overnight Home Parenteral Nutrition",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Feeding Patterns",
        "Sleep",
        "Glucose Intolerance",
        "Short Bowel Syndrome"
      ],
      "interventions": [
        {
          "name": "Time-of-day of parenteral nutrition provision",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Massachusetts General Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "79 Years",
        "sex": "ALL",
        "summary": "18 Years to 79 Years"
      },
      "enrollment_count": 20,
      "start_date": "2021-10-05",
      "completion_date": "2022-10-24",
      "has_results": false,
      "last_update_posted_date": "2025-09-25",
      "last_synced_at": "2026-06-26T12:19:25.497Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04743960"
    },
    {
      "nct_id": "NCT05660278",
      "title": "Comparing the Inflammation, Maldigestion and Symptoms Due to Commercial Milk and A2 Milk",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Lactose Intolerance"
      ],
      "interventions": [
        {
          "name": "Milk containing A1 and A2 beta-casein",
          "type": "OTHER"
        },
        {
          "name": "Milk containing only A2 beta-casein",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Purdue University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 35,
      "start_date": "2022-01-18",
      "completion_date": "2025-08",
      "has_results": false,
      "last_update_posted_date": "2022-12-21",
      "last_synced_at": "2026-06-26T12:19:25.497Z",
      "location_count": 1,
      "location_summary": "West Lafayette, Indiana",
      "locations": [
        {
          "city": "West Lafayette",
          "state": "Indiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05660278"
    },
    {
      "nct_id": "NCT05669274",
      "title": "Comparing the Adaptation of Commercial Milk and A2 Milk in Lactose Maldigesters",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Lactose Intolerance"
      ],
      "interventions": [
        {
          "name": "Milk containing A1 and A2 beta-casein",
          "type": "OTHER"
        },
        {
          "name": "Milk containing only A2 beta-casein",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "Purdue University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 35,
      "start_date": "2021-12-02",
      "completion_date": "2025-12-06",
      "has_results": false,
      "last_update_posted_date": "2023-03-30",
      "last_synced_at": "2026-06-26T12:19:25.497Z",
      "location_count": 1,
      "location_summary": "West Lafayette, Indiana",
      "locations": [
        {
          "city": "West Lafayette",
          "state": "Indiana"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05669274"
    }
  ]
}