{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Aminosalicylic+acid",
    "query": {
      "intervention": "Aminosalicylic acid"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 58,
    "total_pages": 6,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Aminosalicylic+acid&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-21T21:48:34.197Z",
  "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": "NCT00446849",
      "title": "Strategies in Maintenance for Patients Receiving Long-term Therapy (S.I.M.P.L.E.) With MMX (Multi-Matrix System) Mesalamine for Ulcerative Colitis (UC)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Ulcerative Colitis"
      ],
      "interventions": [
        {
          "name": "MMX Mesalamine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Shire",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 290,
      "start_date": "2007-05-01",
      "completion_date": "2009-08-17",
      "has_results": true,
      "last_update_posted_date": "2021-06-14",
      "last_synced_at": "2026-09-21T21:48:34.197Z",
      "location_count": 62,
      "location_summary": "Birmingham, Alabama • Jonesboro, Arkansas • Long Beach, California + 53 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Jonesboro",
          "state": "Arkansas"
        },
        {
          "city": "Long Beach",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        },
        {
          "city": "San Diego",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00446849"
    },
    {
      "nct_id": "NCT00042289",
      "title": "Pharmacokinetic Study of Antiretroviral Drugs and Related Drugs During and After Pregnancy",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "HIV Infections"
      ],
      "interventions": [
        {
          "name": "atazanavir/cobicistat",
          "type": "DRUG"
        },
        {
          "name": "darunavir/ritonavir dosage #1",
          "type": "DRUG"
        },
        {
          "name": "darunavir/ritonavir dosage #2",
          "type": "DRUG"
        },
        {
          "name": "darunavir/ritonavir dosage #3",
          "type": "DRUG"
        },
        {
          "name": "elvitegravir/cobicistat",
          "type": "DRUG"
        },
        {
          "name": "dolutegravir",
          "type": "DRUG"
        },
        {
          "name": "tenofovir alafenamide fumarate (TAF)",
          "type": "DRUG"
        },
        {
          "name": "TAF w/cobicistat",
          "type": "DRUG"
        },
        {
          "name": "TAF w/cobicistat or ritonavir",
          "type": "DRUG"
        },
        {
          "name": "efavirenz",
          "type": "DRUG"
        },
        {
          "name": "darunavir/cobicistat",
          "type": "DRUG"
        },
        {
          "name": "lopinavir/ritonavir dosage #1",
          "type": "DRUG"
        },
        {
          "name": "atazanavir/ritonavir/tenofovir dosage #1",
          "type": "DRUG"
        },
        {
          "name": "rifampicin",
          "type": "DRUG"
        },
        {
          "name": "ethambutol",
          "type": "DRUG"
        },
        {
          "name": "isoniazid",
          "type": "DRUG"
        },
        {
          "name": "pyrazinamide",
          "type": "DRUG"
        },
        {
          "name": "kanamycin",
          "type": "DRUG"
        },
        {
          "name": "amikacin",
          "type": "DRUG"
        },
        {
          "name": "capreomycin",
          "type": "DRUG"
        },
        {
          "name": "moxifloxacin",
          "type": "DRUG"
        },
        {
          "name": "levoflaxacin",
          "type": "DRUG"
        },
        {
          "name": "ofloxacin",
          "type": "DRUG"
        },
        {
          "name": "ethionamide/prothionamide",
          "type": "DRUG"
        },
        {
          "name": "terizidone/cycloserine",
          "type": "DRUG"
        },
        {
          "name": "para-aminosalicylic acid (PAS)",
          "type": "DRUG"
        },
        {
          "name": "high dose INH",
          "type": "DRUG"
        },
        {
          "name": "bedaquiline",
          "type": "DRUG"
        },
        {
          "name": "clofazamine",
          "type": "DRUG"
        },
        {
          "name": "delamanid",
          "type": "DRUG"
        },
        {
          "name": "linezolid",
          "type": "DRUG"
        },
        {
          "name": "pretomanid",
          "type": "DRUG"
        },
        {
          "name": "ethinyl estradiol",
          "type": "DRUG"
        },
        {
          "name": "etonogestrel implant",
          "type": "DRUG"
        },
        {
          "name": "nevirapine",
          "type": "DRUG"
        },
        {
          "name": "amprenavir",
          "type": "DRUG"
        },
        {
          "name": "abacavir",
          "type": "DRUG"
        },
        {
          "name": "lopinavir/ritonavir dosage #2",
          "type": "DRUG"
        },
        {
          "name": "indinavir/ritonavir dosage #1",
          "type": "DRUG"
        },
        {
          "name": "fosamprenavir/ritonavir",
          "type": "DRUG"
        },
        {
          "name": "lopinavir/ritonavir dosage #3",
          "type": "DRUG"
        },
        {
          "name": "atazanavir/ritonavir dosage #1",
          "type": "DRUG"
        },
        {
          "name": "didanosine delayed release (Videx® EC)",
          "type": "DRUG"
        },
        {
          "name": "emtricitabine",
          "type": "DRUG"
        },
        {
          "name": "tenofovir",
          "type": "DRUG"
        },
        {
          "name": "nelfinavir dosage #1",
          "type": "DRUG"
        },
        {
          "name": "tipranavir/ritonavir",
          "type": "DRUG"
        },
        {
          "name": "lopinavir/ritonavir dosage #4",
          "type": "DRUG"
        },
        {
          "name": "raltegravir",
          "type": "DRUG"
        },
        {
          "name": "etravirine",
          "type": "DRUG"
        },
        {
          "name": "maraviroc",
          "type": "DRUG"
        },
        {
          "name": "atazanavir/ritonavir dosage #2",
          "type": "DRUG"
        },
        {
          "name": "tenofovir/atazanavir/ritonavir dosage #2",
          "type": "DRUG"
        },
        {
          "name": "nelfinavir dosage #2",
          "type": "DRUG"
        },
        {
          "name": "indinavir/ritonavir dosage #2",
          "type": "DRUG"
        },
        {
          "name": "rilpivirine",
          "type": "DRUG"
        },
        {
          "name": "darunavir/ritonavir dosage #4",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "National Institute of Allergy and Infectious Diseases (NIAID)",
      "sponsor_class": "NIH",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 1578,
      "start_date": "2003-06-09",
      "completion_date": "2020-09-30",
      "has_results": true,
      "last_update_posted_date": "2025-12-02",
      "last_synced_at": "2026-09-21T21:48:34.197Z",
      "location_count": 39,
      "location_summary": "Birmingham, Alabama • La Jolla, California • Long Beach, California + 26 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "La Jolla",
          "state": "California"
        },
        {
          "city": "Long Beach",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00042289"
    },
    {
      "nct_id": "NCT01016262",
      "title": "Efficacy and Safety Study of MAX-002 Suppository Versus Placebo and Active Medicine in Mild to Moderate Ulcerative Proctitis",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Proctitis, Ulcerative"
      ],
      "interventions": [
        {
          "name": "MAX-002",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "Canasa®",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Forest Laboratories",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 119,
      "start_date": "2009-11-30",
      "completion_date": "2011-09-30",
      "has_results": true,
      "last_update_posted_date": "2019-08-28",
      "last_synced_at": "2026-09-21T21:48:34.197Z",
      "location_count": 22,
      "location_summary": "Birmingham, Alabama • Dothan, Alabama • Tucson, Arizona + 19 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Dothan",
          "state": "Alabama"
        },
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Thornton",
          "state": "Colorado"
        },
        {
          "city": "Torrington",
          "state": "Connecticut"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01016262"
    },
    {
      "nct_id": "NCT00194818",
      "title": "Asacol Dosing Study for Active Ulcerative Colitis",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Ulcerative Colitis"
      ],
      "interventions": [
        {
          "name": "Asacol (mesalamine)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Washington",
      "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": 7,
      "start_date": "2003-06",
      "completion_date": "2007-08",
      "has_results": false,
      "last_update_posted_date": "2008-02-15",
      "last_synced_at": "2026-09-21T21:48:34.197Z",
      "location_count": 1,
      "location_summary": "Seattle, Washington",
      "locations": [
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00194818"
    },
    {
      "nct_id": "NCT00349388",
      "title": "Safety and Compliance of Taking Mesalamine Once a Day in Pediatric Patients",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Ulcerative Colitis"
      ],
      "interventions": [
        {
          "name": "Asacol",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Annette Langseder",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "6 Years",
        "maximum_age": "18 Years",
        "sex": "ALL",
        "summary": "6 Years to 18 Years"
      },
      "enrollment_count": 1,
      "start_date": "2006-07",
      "completion_date": "2011-01",
      "has_results": true,
      "last_update_posted_date": "2019-01-29",
      "last_synced_at": "2026-09-21T21:48:34.197Z",
      "location_count": 1,
      "location_summary": "Morristown, New Jersey",
      "locations": [
        {
          "city": "Morristown",
          "state": "New Jersey"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00349388"
    },
    {
      "nct_id": "NCT01327300",
      "title": "Efficacy of Mesalamine in Diarrhea-predominant Irritable Bowel Syndrome (dIBS)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Irritable Bowel Syndrome"
      ],
      "interventions": [
        {
          "name": "Mesalamine",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "University of Florida",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 7,
      "start_date": "2010-03",
      "completion_date": "2012-03",
      "has_results": true,
      "last_update_posted_date": "2014-02-12",
      "last_synced_at": "2026-09-21T21:48:34.197Z",
      "location_count": 1,
      "location_summary": "Gainesville, Florida",
      "locations": [
        {
          "city": "Gainesville",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01327300"
    },
    {
      "nct_id": "NCT00622375",
      "title": "PK Study of Encapsulated Mesalamine Granules in Healthy Volunteers",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Healthy"
      ],
      "interventions": [
        {
          "name": "mesalamine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Bausch Health Americas, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "45 Years",
        "sex": "ALL",
        "summary": "18 Years to 45 Years"
      },
      "enrollment_count": 24,
      "start_date": "2008-02",
      "completion_date": "2008-05",
      "has_results": false,
      "last_update_posted_date": "2019-11-18",
      "last_synced_at": "2026-09-21T21:48:34.197Z",
      "location_count": 1,
      "location_summary": "Dallas, Texas",
      "locations": [
        {
          "city": "Dallas",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00622375"
    },
    {
      "nct_id": "NCT00269438",
      "title": "New Tablet Formulation and Dosing Regimen of Balsalazide Disodium in Mildly to Moderately Active Ulcerative Colitis",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Ulcerative Colitis"
      ],
      "interventions": [
        {
          "name": "5 ASA, enemas, suppositories, corticosteroids",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Bausch Health Americas, 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": 225,
      "start_date": "2005-12",
      "completion_date": "2007-06",
      "has_results": false,
      "last_update_posted_date": "2019-11-25",
      "last_synced_at": "2026-09-21T21:48:34.197Z",
      "location_count": 66,
      "location_summary": "Birmingham, Alabama • Mobile, Alabama • Little Rock, Arkansas + 57 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Mobile",
          "state": "Alabama"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Anaheim",
          "state": "California"
        },
        {
          "city": "Beverly Hills",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00269438"
    },
    {
      "nct_id": "NCT01999400",
      "title": "Correlation of Mesalamine Pharmacokinetics With Local Availability",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Local Drug Concentration in Gastrointestinal Tract"
      ],
      "interventions": [
        {
          "name": "Pentasa 500 mg capsule x 2 with 240 mL water; single dose",
          "type": "DRUG"
        },
        {
          "name": "Apriso 375 mg capsule x 3 with 240 mL water; single dose",
          "type": "DRUG"
        },
        {
          "name": "Lialda 1200 mg tablet x 1 with 240 mL water; single dose",
          "type": "DRUG"
        },
        {
          "name": "Delzicol 100 mg mesalamine x 1 with 245 mL water; single dose",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Michigan",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "55 Years",
        "sex": "ALL",
        "summary": "18 Years to 55 Years"
      },
      "enrollment_count": 30,
      "start_date": "2012-04",
      "completion_date": "2017-04",
      "has_results": true,
      "last_update_posted_date": "2017-05-15",
      "last_synced_at": "2026-09-21T21:48:34.197Z",
      "location_count": 1,
      "location_summary": "Ann Arbor, Michigan",
      "locations": [
        {
          "city": "Ann Arbor",
          "state": "Michigan"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01999400"
    },
    {
      "nct_id": "NCT00151892",
      "title": "Efficacy and Safety of SPD476 in Maintaining Remission in Patients With Ulcerative Colitis",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Ulcerative Colitis"
      ],
      "interventions": [
        {
          "name": "SPD476",
          "type": "DRUG"
        },
        {
          "name": "Asacol",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Shire",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 829,
      "start_date": "2005-04-08",
      "completion_date": "2009-09-07",
      "has_results": true,
      "last_update_posted_date": "2021-06-14",
      "last_synced_at": "2026-09-21T21:48:34.197Z",
      "location_count": 15,
      "location_summary": "Birmingham, Alabama • Bristol, Connecticut • Washington D.C., District of Columbia + 12 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Bristol",
          "state": "Connecticut"
        },
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        },
        {
          "city": "Hollywood",
          "state": "Florida"
        },
        {
          "city": "Jacksonville",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00151892"
    }
  ]
}