{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Functional+Constipation+%28FC%29",
    "query": {
      "condition": "Functional Constipation (FC)"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 6,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-05-22T06:43:36.419Z",
  "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": "NCT02559570",
      "title": "A Safety and Efficacy Study of a Range of Linaclotide Doses Administered Orally to Children Ages 6-17 Years Who Fulfill Modified Rome III Criteria for Child/Adolescent Functional Constipation (FC)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Functional Constipation in Children Ages 6-17 Years"
      ],
      "interventions": [
        {
          "name": "Placebo",
          "type": "DRUG"
        },
        {
          "name": "LIN Dose A",
          "type": "DRUG"
        },
        {
          "name": "LIN Dose B",
          "type": "DRUG"
        },
        {
          "name": "LIN Dose C",
          "type": "DRUG"
        },
        {
          "name": "LIN 145 µg",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Forest Laboratories",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "6 Years",
        "maximum_age": "17 Years",
        "sex": "ALL",
        "summary": "6 Years to 17 Years"
      },
      "enrollment_count": 173,
      "start_date": "2015-11-03",
      "completion_date": "2018-05-29",
      "has_results": true,
      "last_update_posted_date": "2019-06-19",
      "last_synced_at": "2026-05-22T06:43:36.419Z",
      "location_count": 60,
      "location_summary": "Hot Springs, Arkansas • Little Rock, Arkansas • Anaheim, California + 51 more",
      "locations": [
        {
          "city": "Hot Springs",
          "state": "Arkansas"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Anaheim",
          "state": "California"
        },
        {
          "city": "Corona",
          "state": "California"
        },
        {
          "city": "Costa Mesa",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02559570"
    },
    {
      "nct_id": "NCT01523184",
      "title": "A Phase 2 Study to Evaluate Pharmacodynamics of YKP10811 in Patients With Chronic or Functional Constipation",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Chronic Constipation",
        "Functional Constipation"
      ],
      "interventions": [
        {
          "name": "Placebo Capsule",
          "type": "DRUG"
        },
        {
          "name": "YKP10811 Drug Product Capsule",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "SK Life Science, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "65 Years",
        "sex": "ALL",
        "summary": "18 Years to 65 Years"
      },
      "enrollment_count": 57,
      "start_date": "2012-03",
      "completion_date": "2013-11",
      "has_results": false,
      "last_update_posted_date": "2014-07-04",
      "last_synced_at": "2026-05-22T06:43:36.419Z",
      "location_count": 1,
      "location_summary": "Rochester, Minnesota",
      "locations": [
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01523184"
    },
    {
      "nct_id": "NCT05652205",
      "title": "A Study to Assess Adverse Events and Change in Symptoms With Linaclotide Versus Placebo in Pediatric Subjects, Ages 2 to 5 Years, With Functional Constipation",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Functional Constipation (FC)",
        "Chronic Idiopathic Constipation (CIC)"
      ],
      "interventions": [
        {
          "name": "Placebo for Linaclotide",
          "type": "DRUG"
        },
        {
          "name": "Linaclotide",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "AbbVie",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "2 Years",
        "maximum_age": "5 Years",
        "sex": "ALL",
        "summary": "2 Years to 5 Years"
      },
      "enrollment_count": 123,
      "start_date": "2022-12-29",
      "completion_date": "2025-09-02",
      "has_results": true,
      "last_update_posted_date": "2026-05-14",
      "last_synced_at": "2026-05-22T06:43:36.419Z",
      "location_count": 38,
      "location_summary": "Foley, Alabama • Phoenix, Arizona • Hot Springs, Arkansas + 33 more",
      "locations": [
        {
          "city": "Foley",
          "state": "Alabama"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Hot Springs",
          "state": "Arkansas"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        },
        {
          "city": "Anaheim",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05652205"
    },
    {
      "nct_id": "NCT04026113",
      "title": "Linaclotide Safety and Efficacy in Pediatric Participants, 6 to 17 Years of Age, With Irritable Bowel Syndrome With Constipation (IBS-C) or Functional Constipation (FC)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Functional Constipation",
        "Irritable Bowel Syndrome With Constipation"
      ],
      "interventions": [
        {
          "name": "Linaclotide",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "AbbVie",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "6 Years",
        "maximum_age": "17 Years",
        "sex": "ALL",
        "summary": "6 Years to 17 Years"
      },
      "enrollment_count": 438,
      "start_date": "2019-10-01",
      "completion_date": "2024-05-29",
      "has_results": true,
      "last_update_posted_date": "2024-11-26",
      "last_synced_at": "2026-05-22T06:43:36.419Z",
      "location_count": 79,
      "location_summary": "Birmingham, Alabama • Foley, Alabama • Saraland, Alabama + 62 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Foley",
          "state": "Alabama"
        },
        {
          "city": "Saraland",
          "state": "Alabama"
        },
        {
          "city": "Hot Springs",
          "state": "Arkansas"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04026113"
    },
    {
      "nct_id": "NCT04166058",
      "title": "Long-term Safety of Linaclotide in Pediatric Participants With FC or IBS-C",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Irritable Bowel Syndrome With Constipation",
        "Functional Constipation"
      ],
      "interventions": [
        {
          "name": "Irritable Bowel Syndrome with Constipation (IBS-C) participants (LIN-MD-63 and LIN-MD-64 completers)",
          "type": "DRUG"
        },
        {
          "name": "Functional Constipation (FC) participants (LIN-MD-62 and LIN-MD-64 completers)",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "AbbVie",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "6 Years",
        "maximum_age": "18 Years",
        "sex": "ALL",
        "summary": "6 Years to 18 Years"
      },
      "enrollment_count": 381,
      "start_date": "2019-11-19",
      "completion_date": "2025-06-05",
      "has_results": true,
      "last_update_posted_date": "2026-01-06",
      "last_synced_at": "2026-05-22T06:43:36.419Z",
      "location_count": 65,
      "location_summary": "Birmingham, Alabama • Foley, Alabama • Saraland, Alabama + 50 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Foley",
          "state": "Alabama"
        },
        {
          "city": "Saraland",
          "state": "Alabama"
        },
        {
          "city": "Hot Springs",
          "state": "Arkansas"
        },
        {
          "city": "Little Rock",
          "state": "Arkansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04166058"
    },
    {
      "nct_id": "NCT05760313",
      "title": "A Study to Assess Adverse Events and Change in Disease Activity in Pediatric Participants (Age 6 Months to <2 Years) With Functional Constipation Who Are Treated With Linaclotide",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Functional Constipation"
      ],
      "interventions": [
        {
          "name": "Linaclotide",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "AbbVie",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "6 Months",
        "maximum_age": "23 Months",
        "sex": "ALL",
        "summary": "6 Months to 23 Months"
      },
      "enrollment_count": 19,
      "start_date": "2023-04-27",
      "completion_date": "2025-06-09",
      "has_results": true,
      "last_update_posted_date": "2026-01-06",
      "last_synced_at": "2026-05-22T06:43:36.419Z",
      "location_count": 18,
      "location_summary": "Phoenix, Arizona • Hot Springs, Arkansas • Anaheim, California + 14 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Hot Springs",
          "state": "Arkansas"
        },
        {
          "city": "Anaheim",
          "state": "California"
        },
        {
          "city": "Corona",
          "state": "California"
        },
        {
          "city": "Washington D.C.",
          "state": "District of Columbia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05760313"
    }
  ]
}