{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Left-sided+Ulcerative+Colitis",
    "query": {
      "condition": "Left-sided Ulcerative Colitis"
    },
    "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": "2026-07-23T01:51:50.283Z",
  "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": "NCT04985968",
      "title": "The Efficacy and Safety of Cobitolimod in Participants With Moderate to Severe Active Left-Sided Ulcerative Colitis",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Ulcerative Colitis"
      ],
      "interventions": [
        {
          "name": "Cobitolimod 250 mg",
          "type": "DRUG"
        },
        {
          "name": "Cobitolimod 500 mg",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "InDex Pharmaceuticals",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 171,
      "start_date": "2021-11-24",
      "completion_date": "2023-12-20",
      "has_results": false,
      "last_update_posted_date": "2023-12-27",
      "last_synced_at": "2026-07-23T01:51:50.283Z",
      "location_count": 25,
      "location_summary": "Granada Hills, California • Mission Viejo, California • Rancho Cucamonga, California + 17 more",
      "locations": [
        {
          "city": "Granada Hills",
          "state": "California"
        },
        {
          "city": "Mission Viejo",
          "state": "California"
        },
        {
          "city": "Rancho Cucamonga",
          "state": "California"
        },
        {
          "city": "Tarzana",
          "state": "California"
        },
        {
          "city": "Boynton Beach",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04985968"
    },
    {
      "nct_id": "NCT01020708",
      "title": "Study of the Safety and Tolerability of ALTH12 Versus Mesalamine Enema in Subjects With Left-Sided Ulcerative Colitis",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Ulcerative Colitis"
      ],
      "interventions": [
        {
          "name": "mesalamine",
          "type": "DRUG"
        },
        {
          "name": "ALTH12-1:4",
          "type": "DRUG"
        },
        {
          "name": "ALTH12-2:4",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Altheus Therapeutics, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "64 Years",
        "sex": "ALL",
        "summary": "18 Years to 64 Years"
      },
      "enrollment_count": 9,
      "start_date": "2009-11",
      "completion_date": "2010-09",
      "has_results": false,
      "last_update_posted_date": "2011-03-29",
      "last_synced_at": "2026-07-23T01:51:50.283Z",
      "location_count": 1,
      "location_summary": "Oklahoma City, Oklahoma",
      "locations": [
        {
          "city": "Oklahoma City",
          "state": "Oklahoma"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01020708"
    },
    {
      "nct_id": "NCT01586533",
      "title": "Study of the Safety and Efficacy of Zoenasa® Versus Mesalamine Enema in Subjects With Left-Sided Ulcerative Colitis",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Ulcerative Colitis",
        "Left-sided Ulcerative Colitis",
        "Distal Ulcerative Colitis"
      ],
      "interventions": [
        {
          "name": "Zoenasa-1:4",
          "type": "DRUG"
        },
        {
          "name": "Mesalamine Enema",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Altheus Therapeutics, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "64 Years",
        "sex": "ALL",
        "summary": "18 Years to 64 Years"
      },
      "enrollment_count": 120,
      "start_date": "2012-06",
      "completion_date": null,
      "has_results": false,
      "last_update_posted_date": "2014-01-08",
      "last_synced_at": "2026-07-23T01:51:50.283Z",
      "location_count": 45,
      "location_summary": "Birmingham, Alabama • Dothan, Alabama • Lakewood, Colorado + 39 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Dothan",
          "state": "Alabama"
        },
        {
          "city": "Lakewood",
          "state": "Colorado"
        },
        {
          "city": "Gainesville",
          "state": "Florida"
        },
        {
          "city": "Hialeah",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01586533"
    },
    {
      "nct_id": "NCT01953354",
      "title": "Trichuris Suis Ova Treatment in Left-sided Ulcerative Colitis",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Colitis, Ulcerative"
      ],
      "interventions": [
        {
          "name": "Trichuris suis ova (TSO)",
          "type": "BIOLOGICAL"
        },
        {
          "name": "Placebo",
          "type": "BIOLOGICAL"
        }
      ],
      "intervention_types": [
        "BIOLOGICAL"
      ],
      "sponsor": "National Institute of Allergy and Infectious Diseases (NIAID)",
      "sponsor_class": "NIH",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "18 Years to 70 Years"
      },
      "enrollment_count": 16,
      "start_date": "2013-11",
      "completion_date": "2015-11",
      "has_results": true,
      "last_update_posted_date": "2017-03-17",
      "last_synced_at": "2026-07-23T01:51:50.283Z",
      "location_count": 17,
      "location_summary": "Palo Alto, California • New Haven, Connecticut • Miami, Florida + 13 more",
      "locations": [
        {
          "city": "Palo Alto",
          "state": "California"
        },
        {
          "city": "New Haven",
          "state": "Connecticut"
        },
        {
          "city": "Miami",
          "state": "Florida"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        },
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01953354"
    },
    {
      "nct_id": "NCT00063414",
      "title": "ISIS 2302-CS22, A 6-Week, Active-Controlled Clinical Study to Evaluate the Effectiveness of Alicaforsen (ISIS 2302) in Patients With Mild to Moderate Active Ulcerative Colitis",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Ulcerative Colitis"
      ],
      "interventions": [
        {
          "name": "Alicaforsen",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Ionis Pharmaceuticals, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": null,
      "start_date": "2002-11-20",
      "completion_date": "2005-03-24",
      "has_results": false,
      "last_update_posted_date": "2022-12-05",
      "last_synced_at": "2026-07-23T01:51:50.283Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00063414"
    }
  ]
}