{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Calcium+carbonate%2Fmagnesium+hydroxide",
    "query": {
      "intervention": "Calcium carbonate/magnesium hydroxide"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 5,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-28T06:37:38.399Z",
  "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": "NCT01037452",
      "title": "Proof of Concept Study Efficacy of an Antacid/Lansoprazole Combination for Relief of Heartburn",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Heartburn"
      ],
      "interventions": [
        {
          "name": "Calcium carbonate/magnesium hydroxide/Lansoprazole 15 mg",
          "type": "DRUG"
        },
        {
          "name": "Lansoprazole",
          "type": "DRUG"
        },
        {
          "name": "Calcium carbonate/magnesium hydroxide",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Novartis",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 120,
      "start_date": "2009-12",
      "completion_date": null,
      "has_results": true,
      "last_update_posted_date": "2011-03-28",
      "last_synced_at": "2026-09-28T06:37:38.399Z",
      "location_count": 1,
      "location_summary": "Anaheim, California",
      "locations": [
        {
          "city": "Anaheim",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01037452"
    },
    {
      "nct_id": "NCT06321796",
      "title": "Microbiota Transfer Therapy for Children and Adults With Both Pitt Hopkins Syndrome and Gastrointestinal Disorders",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Pitt Hopkins Syndrome"
      ],
      "interventions": [
        {
          "name": "MTP-101P",
          "type": "COMBINATION_PRODUCT"
        },
        {
          "name": "Vancomycin",
          "type": "COMBINATION_PRODUCT"
        },
        {
          "name": "Magnesium Citrate",
          "type": "COMBINATION_PRODUCT"
        },
        {
          "name": "Antacid",
          "type": "COMBINATION_PRODUCT"
        },
        {
          "name": "Placebo MTP-101P",
          "type": "COMBINATION_PRODUCT"
        },
        {
          "name": "Placebo Vancomycin",
          "type": "COMBINATION_PRODUCT"
        }
      ],
      "intervention_types": [
        "COMBINATION_PRODUCT"
      ],
      "sponsor": "Gut-Brain-Axis Therapeutics Inc.",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "5 Years",
        "maximum_age": "55 Years",
        "sex": "ALL",
        "summary": "5 Years to 55 Years"
      },
      "enrollment_count": 20,
      "start_date": "2024-02-27",
      "completion_date": "2025-05",
      "has_results": false,
      "last_update_posted_date": "2024-03-20",
      "last_synced_at": "2026-09-28T06:37:38.399Z",
      "location_count": 1,
      "location_summary": "Tempe, Arizona",
      "locations": [
        {
          "city": "Tempe",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06321796"
    },
    {
      "nct_id": "NCT05109390",
      "title": "A Study of the Drug Interactions Between Danicopan and Cyclosporine, Tacrolimus, Antacids, and Omeprazole in Healthy Adults",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Healthy"
      ],
      "interventions": [
        {
          "name": "Danicopan",
          "type": "DRUG"
        },
        {
          "name": "Cyclosporine",
          "type": "DRUG"
        },
        {
          "name": "Tacrolimus",
          "type": "DRUG"
        },
        {
          "name": "Calcium Carbonate",
          "type": "DRUG"
        },
        {
          "name": "Aluminum/Magnesium Hydroxide/Simethicone",
          "type": "DRUG"
        },
        {
          "name": "Omeprazole",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Alexion Pharmaceuticals, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "55 Years",
        "sex": "ALL",
        "summary": "18 Years to 55 Years"
      },
      "enrollment_count": 72,
      "start_date": "2018-07-27",
      "completion_date": "2018-10-17",
      "has_results": false,
      "last_update_posted_date": "2021-11-05",
      "last_synced_at": "2026-09-28T06:37:38.399Z",
      "location_count": 1,
      "location_summary": "Tempe, Arizona",
      "locations": [
        {
          "city": "Tempe",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05109390"
    },
    {
      "nct_id": "NCT01982201",
      "title": "Antacid Interaction Study",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Healthy"
      ],
      "interventions": [
        {
          "name": "Lesinurad 400 mg",
          "type": "DRUG"
        },
        {
          "name": "Tums 500 mg and 750 mg",
          "type": "DRUG"
        },
        {
          "name": "MINTOX 10 mL",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Ardea Biosciences, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "55 Years",
        "sex": "MALE",
        "summary": "18 Years to 55 Years · Male only"
      },
      "enrollment_count": 24,
      "start_date": "2013-11",
      "completion_date": "2014-03",
      "has_results": false,
      "last_update_posted_date": "2014-05-20",
      "last_synced_at": "2026-09-28T06:37:38.399Z",
      "location_count": 1,
      "location_summary": "Kalamazoo, Michigan",
      "locations": [
        {
          "city": "Kalamazoo",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01982201"
    },
    {
      "nct_id": "NCT06503978",
      "title": "Microbiota Transplant Therapy for Children With Both Autism Spectrum Disorder and Gastrointestinal Disorders",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Autism Spectrum Disorder",
        "Gastro-Intestinal Disorder",
        "Constipation",
        "Diarrhea"
      ],
      "interventions": [
        {
          "name": "MTP-101P",
          "type": "COMBINATION_PRODUCT"
        },
        {
          "name": "Vancomycin",
          "type": "COMBINATION_PRODUCT"
        },
        {
          "name": "Miralax",
          "type": "COMBINATION_PRODUCT"
        },
        {
          "name": "Antacid",
          "type": "COMBINATION_PRODUCT"
        },
        {
          "name": "Placebo MTP-101P",
          "type": "COMBINATION_PRODUCT"
        },
        {
          "name": "Placebo Vancomycin",
          "type": "COMBINATION_PRODUCT"
        }
      ],
      "intervention_types": [
        "COMBINATION_PRODUCT"
      ],
      "sponsor": "Gut-Brain-Axis Therapeutics Inc.",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "4 Years",
        "maximum_age": "18 Years",
        "sex": "ALL",
        "summary": "4 Years to 18 Years"
      },
      "enrollment_count": 60,
      "start_date": "2024-08-20",
      "completion_date": "2026-08-17",
      "has_results": false,
      "last_update_posted_date": "2024-09-25",
      "last_synced_at": "2026-09-28T06:37:38.399Z",
      "location_count": 1,
      "location_summary": "Tempe, Arizona",
      "locations": [
        {
          "city": "Tempe",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06503978"
    }
  ]
}