{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=oral+probiotics",
    "query": {
      "intervention": "oral probiotics"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 97,
    "total_pages": 10,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=oral+probiotics&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-13T22:00:11.263Z",
  "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": "NCT01018472",
      "title": "Probiotics in Infants With Cyanotic Congenital Heart Disease",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Cyanotic Congenital Heart Disease"
      ],
      "interventions": [
        {
          "name": "Bifidobacterium infantis",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT",
        "OTHER"
      ],
      "sponsor": "University of California, Davis",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": "4 Months",
        "sex": "ALL",
        "summary": "Up to 4 Months"
      },
      "enrollment_count": 12,
      "start_date": "2009-11",
      "completion_date": "2011-12",
      "has_results": false,
      "last_update_posted_date": "2014-12-02",
      "last_synced_at": "2026-09-13T22:00:11.263Z",
      "location_count": 1,
      "location_summary": "Sacramento, California",
      "locations": [
        {
          "city": "Sacramento",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01018472"
    },
    {
      "nct_id": "NCT03337035",
      "title": "Probiotics and Oxytocin Nasal Spray on Social Behaviors of Autism Spectrum Disorder (ASD) Children",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Autism Spectrum Disorder"
      ],
      "interventions": [
        {
          "name": "intranasal oxytocin",
          "type": "DRUG"
        },
        {
          "name": "oral probiotics",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "oral placebo",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DRUG",
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Massachusetts General Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "3 Years",
        "maximum_age": "25 Years",
        "sex": "ALL",
        "summary": "3 Years to 25 Years"
      },
      "enrollment_count": 35,
      "start_date": "2018-12-01",
      "completion_date": "2019-10-02",
      "has_results": false,
      "last_update_posted_date": "2020-03-04",
      "last_synced_at": "2026-09-13T22:00:11.263Z",
      "location_count": 1,
      "location_summary": "Charlestown, Massachusetts",
      "locations": [
        {
          "city": "Charlestown",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03337035"
    },
    {
      "nct_id": "NCT04155801",
      "title": "A Study to Assess the Efficacy and Safety of Salix Probiotic Blend in Participants With Functional Gastrointestinal Disturbances",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Functional Gastrointestinal Disorders"
      ],
      "interventions": [
        {
          "name": "Salix Probiotic Blend",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Bausch Health Americas, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "75 Years",
        "sex": "ALL",
        "summary": "18 Years to 75 Years"
      },
      "enrollment_count": 188,
      "start_date": "2019-10-11",
      "completion_date": "2020-02-14",
      "has_results": false,
      "last_update_posted_date": "2020-04-24",
      "last_synced_at": "2026-09-13T22:00:11.263Z",
      "location_count": 1,
      "location_summary": "San Antonio, Texas",
      "locations": [
        {
          "city": "San Antonio",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04155801"
    },
    {
      "nct_id": "NCT04511221",
      "title": "BacterioPHAGE for Gastrointestinal Health 2 Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Mild Gastrointestinal Symptoms in Healthy Adults"
      ],
      "interventions": [
        {
          "name": "Bifidobacterium animals subsp. lactis BL04+PreforPro",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Bifidobacterium animals subsp. lactis BL04",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT",
        "OTHER"
      ],
      "sponsor": "Colorado State 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": 93,
      "start_date": "2018-10-01",
      "completion_date": "2020-03-31",
      "has_results": false,
      "last_update_posted_date": "2020-08-13",
      "last_synced_at": "2026-09-13T22:00:11.263Z",
      "location_count": 1,
      "location_summary": "Fort Collins, Colorado",
      "locations": [
        {
          "city": "Fort Collins",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04511221"
    },
    {
      "nct_id": "NCT03611647",
      "title": "Correlating Probiotic Dietary Supplements During Pregnancy With Maternal Microbiome Profiles",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Pregnancy Related"
      ],
      "interventions": [
        {
          "name": "Probiotic",
          "type": "DIETARY_SUPPLEMENT"
        },
        {
          "name": "Placebo",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "University of California, San Diego",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "18 Years and older · Female only"
      },
      "enrollment_count": 48,
      "start_date": "2018-04-01",
      "completion_date": "2018-12-31",
      "has_results": false,
      "last_update_posted_date": "2019-04-11",
      "last_synced_at": "2026-09-13T22:00:11.263Z",
      "location_count": 3,
      "location_summary": "La Jolla, California • San Diego, California",
      "locations": [
        {
          "city": "La Jolla",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03611647"
    },
    {
      "nct_id": "NCT01970683",
      "title": "Probiotics and Recovery From Surgery",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Major Abdominal Operation"
      ],
      "interventions": [
        {
          "name": "VSL #3 BID",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Catholic Health Initiatives",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "99 Years",
        "sex": "ALL",
        "summary": "18 Years to 99 Years"
      },
      "enrollment_count": 140,
      "start_date": "2014-08",
      "completion_date": "2017-02-28",
      "has_results": false,
      "last_update_posted_date": "2017-07-25",
      "last_synced_at": "2026-09-13T22:00:11.263Z",
      "location_count": 1,
      "location_summary": "Des Moines, Iowa",
      "locations": [
        {
          "city": "Des Moines",
          "state": "Iowa"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01970683"
    },
    {
      "nct_id": "NCT06949800",
      "title": "CASCADE 2002: PROTECT Study, \"PRObiotics to TrEat Anal preCancer Trial",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "HSIL, High Grade Squamous Intraepithelial Lesion",
        "HPV-Related Squamous Cell Carcinoma",
        "Anal HSIL"
      ],
      "interventions": [
        {
          "name": "EXE-346 Probiotic",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "Usual Care High Resolution Anoscopy (HRA)",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "DRUG",
        "PROCEDURE"
      ],
      "sponsor": "University of California, San Francisco",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "21 Years and older"
      },
      "enrollment_count": 90,
      "start_date": "2026-09-04",
      "completion_date": "2027-07-31",
      "has_results": false,
      "last_update_posted_date": "2026-09-09",
      "last_synced_at": "2026-09-13T22:00:11.263Z",
      "location_count": 1,
      "location_summary": "San Francisco, California",
      "locations": [
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06949800"
    },
    {
      "nct_id": "NCT06552806",
      "title": "The Effect of a Multi-strain Probiotic on Acclimatization to High Altitude",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Probiotics"
      ],
      "interventions": [
        {
          "name": "SLAB51",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "University of California, San Diego",
      "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": 17,
      "start_date": "2023-06-01",
      "completion_date": "2026-10",
      "has_results": false,
      "last_update_posted_date": "2024-08-14",
      "last_synced_at": "2026-09-13T22:00:11.263Z",
      "location_count": 2,
      "location_summary": "Bishop, California • La Jolla, California",
      "locations": [
        {
          "city": "Bishop",
          "state": "California"
        },
        {
          "city": "La Jolla",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06552806"
    },
    {
      "nct_id": "NCT02999230",
      "title": "Probiotics That Moderate pH and Antagonize Pathogens to Promote Oral Health",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Dental Caries"
      ],
      "interventions": [
        {
          "name": "Caries Free 1.5% Arginine",
          "type": "OTHER"
        },
        {
          "name": "Caries Free Placebo Sodium Fluoride",
          "type": "OTHER"
        },
        {
          "name": "Caries Active 1.5% Arginine",
          "type": "OTHER"
        },
        {
          "name": "Caries Active- Placebo Sodium Fluoride",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of Florida",
      "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": 170,
      "start_date": "2017-02-22",
      "completion_date": "2020-06-25",
      "has_results": false,
      "last_update_posted_date": "2024-10-01",
      "last_synced_at": "2026-09-13T22:00:11.263Z",
      "location_count": 1,
      "location_summary": "Gainesville, Florida",
      "locations": [
        {
          "city": "Gainesville",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02999230"
    },
    {
      "nct_id": "NCT00934453",
      "title": "Safety of Lactobacillus Rhamnosus GG ATCC 53103 (LGG) in Healthy Volunteers",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Healthy"
      ],
      "interventions": [
        {
          "name": "Lactobacillus rhamnosus GG ATCC 53103",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Placebo",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "Massachusetts General Hospital",
      "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": 50,
      "start_date": "2009-12",
      "completion_date": "2012-05",
      "has_results": false,
      "last_update_posted_date": "2017-01-11",
      "last_synced_at": "2026-09-13T22:00:11.263Z",
      "location_count": 2,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        },
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00934453"
    }
  ]
}