{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Constipation+Drug+Induced",
    "query": {
      "condition": "Constipation Drug Induced"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 10,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-05-22T08:10:50.037Z",
  "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": "NCT01594619",
      "title": "Study in Healthy Volunteers to Investigate the Effects of Diltiazem on the Pharmacokinetics of Naloxegol",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Drug Induced Constipation"
      ],
      "interventions": [
        {
          "name": "Naloxegol",
          "type": "DRUG"
        },
        {
          "name": "Diltiazem XR",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "AstraZeneca",
      "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": 44,
      "start_date": "2012-05",
      "completion_date": "2012-08",
      "has_results": false,
      "last_update_posted_date": "2014-10-15",
      "last_synced_at": "2026-05-22T08:10:50.037Z",
      "location_count": 1,
      "location_summary": "Overland Park, Kansas",
      "locations": [
        {
          "city": "Overland Park",
          "state": "Kansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01594619"
    },
    {
      "nct_id": "NCT03523520",
      "title": "Methylnaltrexone vs Naloxegol in the Treatment of Opioid-Induced Constipation",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Constipation Drug Induced"
      ],
      "interventions": [
        {
          "name": "Methylnaltrexone Bromide 150 mg Oral Tablet",
          "type": "DRUG"
        },
        {
          "name": "Methylnaltrexone Bromide 12 MG/0.6 ML Subcutaneous Solution [RELISTOR]_#1",
          "type": "DRUG"
        },
        {
          "name": "Naloxegol 25 MG Oral Tablet",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Missouri-Columbia",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 15,
      "start_date": "2020-12-23",
      "completion_date": "2023-03-31",
      "has_results": true,
      "last_update_posted_date": "2024-09-19",
      "last_synced_at": "2026-05-22T08:10:50.037Z",
      "location_count": 1,
      "location_summary": "Columbia, Missouri",
      "locations": [
        {
          "city": "Columbia",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03523520"
    },
    {
      "nct_id": "NCT00101998",
      "title": "Study Of Alvimopan Drug For Treatment Of Constipation Due To Prescription Pain Medication",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Constipation",
        "Bowel Dysfunction"
      ],
      "interventions": [
        {
          "name": "alvimopan",
          "type": "DRUG"
        },
        {
          "name": "placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Cubist Pharmaceuticals LLC, a subsidiary of Merck & Co., Inc. (Rahway, New Jersey USA)",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 233,
      "start_date": "2003-10-01",
      "completion_date": "2006-05-01",
      "has_results": false,
      "last_update_posted_date": "2017-08-30",
      "last_synced_at": "2026-05-22T08:10:50.037Z",
      "location_count": 69,
      "location_summary": "Tucson, Arizona • Hot Springs, Arkansas • Duarte, California + 58 more",
      "locations": [
        {
          "city": "Tucson",
          "state": "Arizona"
        },
        {
          "city": "Hot Springs",
          "state": "Arkansas"
        },
        {
          "city": "Duarte",
          "state": "California"
        },
        {
          "city": "Fountain Valley",
          "state": "California"
        },
        {
          "city": "Fresno",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00101998"
    },
    {
      "nct_id": "NCT02958566",
      "title": "Multimodal Narcotic Limited Perioperative Pain Control With Colorectal Surgery",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Colon Cancer",
        "Colon Diverticulosis",
        "Colonic Neoplasms",
        "Colonic Diverticulitis",
        "Pain, Postoperative",
        "Ileus",
        "Ileus Paralytic",
        "Ileus; Mechanical",
        "Constipation Drug Induced",
        "Constipation",
        "Rectum Cancer",
        "Rectum Neoplasm"
      ],
      "interventions": [
        {
          "name": "Acetaminophen",
          "type": "DRUG"
        },
        {
          "name": "Gabapentin",
          "type": "DRUG"
        },
        {
          "name": "Orphenadrine",
          "type": "DRUG"
        },
        {
          "name": "Lidocaine",
          "type": "DRUG"
        },
        {
          "name": "Marcaine",
          "type": "DRUG"
        },
        {
          "name": "Ketamine",
          "type": "DRUG"
        },
        {
          "name": "Methadone",
          "type": "DRUG"
        },
        {
          "name": "Tramadol",
          "type": "DRUG"
        },
        {
          "name": "Ketorolac",
          "type": "DRUG"
        },
        {
          "name": "Morphine Sulfate",
          "type": "DRUG"
        },
        {
          "name": "Fentanyl",
          "type": "DRUG"
        },
        {
          "name": "Dilaudid",
          "type": "DRUG"
        },
        {
          "name": "Hydrocodone-Acetaminophen Tab 5-325 MG",
          "type": "DRUG"
        },
        {
          "name": "HYDROCODONE/ACETAMINOPHEN 5 Mg-325 Mg ORAL TABLET",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Illinois College of Medicine at Peoria",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 80,
      "start_date": "2017-01",
      "completion_date": "2018-12",
      "has_results": false,
      "last_update_posted_date": "2017-03-20",
      "last_synced_at": "2026-05-22T08:10:50.037Z",
      "location_count": 1,
      "location_summary": "Peoria, Illinois",
      "locations": [
        {
          "city": "Peoria",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02958566"
    },
    {
      "nct_id": "NCT03720613",
      "title": "Risk of Major Adverse Cardiovascular Events for Naldemedine & Other Medications for Opioid Induced Constipation",
      "overall_status": "RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Opioid-induced Constipation"
      ],
      "interventions": [
        {
          "name": "Naldemedine",
          "type": "DRUG"
        },
        {
          "name": "Lubiprostone",
          "type": "DRUG"
        },
        {
          "name": "Naloxegol",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "BioDelivery Sciences International",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 34532,
      "start_date": "2019-01-04",
      "completion_date": "2030-11-01",
      "has_results": false,
      "last_update_posted_date": "2025-02-12",
      "last_synced_at": "2026-05-22T08:10:50.037Z",
      "location_count": 1,
      "location_summary": "Wilmington, Delaware",
      "locations": [
        {
          "city": "Wilmington",
          "state": "Delaware"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03720613"
    },
    {
      "nct_id": "NCT02737059",
      "title": "Effect of Naloxegol on Gastric, Small Bowel, and Colonic Transit in Healthy Subjects",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Constipation Drug Induced"
      ],
      "interventions": [
        {
          "name": "Naloxegol",
          "type": "DRUG"
        },
        {
          "name": "Codeine",
          "type": "DRUG"
        },
        {
          "name": "codeine placebo",
          "type": "DRUG"
        },
        {
          "name": "naloxegol placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Michael Camilleri",
      "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": 72,
      "start_date": "2016-07-01",
      "completion_date": "2017-05-10",
      "has_results": false,
      "last_update_posted_date": "2017-08-30",
      "last_synced_at": "2026-05-22T08:10:50.037Z",
      "location_count": 1,
      "location_summary": "Rochester, Minnesota",
      "locations": [
        {
          "city": "Rochester",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02737059"
    },
    {
      "nct_id": "NCT01533870",
      "title": "Study in Healthy Volunteers to Investigate the Effects of Rifampin on the Pharmacokinetics of NKTR-118",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Drug Induced Constipation"
      ],
      "interventions": [
        {
          "name": "NKTR-118",
          "type": "DRUG"
        },
        {
          "name": "Rifampin",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "AstraZeneca",
      "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": 22,
      "start_date": "2012-03",
      "completion_date": "2012-05",
      "has_results": false,
      "last_update_posted_date": "2014-10-15",
      "last_synced_at": "2026-05-22T08:10:50.037Z",
      "location_count": 1,
      "location_summary": "Overland Park, Kansas",
      "locations": [
        {
          "city": "Overland Park",
          "state": "Kansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01533870"
    },
    {
      "nct_id": "NCT03316859",
      "title": "Naloxegol and Opioid-induced Constipation",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2",
        "PHASE3"
      ],
      "conditions": [
        "Constipation",
        "Constipation Drug Induced"
      ],
      "interventions": [
        {
          "name": "Naloxegol 25 MG",
          "type": "DRUG"
        },
        {
          "name": "Placebo pill",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "TriHealth Inc.",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 280,
      "start_date": "2017-11-06",
      "completion_date": "2022-12-01",
      "has_results": false,
      "last_update_posted_date": "2022-05-05",
      "last_synced_at": "2026-05-22T08:10:50.037Z",
      "location_count": 1,
      "location_summary": "Cincinnati, Ohio",
      "locations": [
        {
          "city": "Cincinnati",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03316859"
    },
    {
      "nct_id": "NCT01416909",
      "title": "Managing Medication-induced Constipation in Cancer: A Clinical Trial",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Constipation"
      ],
      "interventions": [
        {
          "name": "Laxative Treatment",
          "type": "OTHER"
        },
        {
          "name": "Standard of Care",
          "type": "OTHER"
        },
        {
          "name": "Assessment Questionnaires",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "H. Lee Moffitt Cancer Center and Research Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 601,
      "start_date": "2008-11",
      "completion_date": "2014-01",
      "has_results": false,
      "last_update_posted_date": "2017-02-23",
      "last_synced_at": "2026-05-22T08:10:50.037Z",
      "location_count": 1,
      "location_summary": "Tampa, Florida",
      "locations": [
        {
          "city": "Tampa",
          "state": "Florida"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01416909"
    },
    {
      "nct_id": "NCT01533155",
      "title": "Study in Healthy Volunteers to Investigate the Effects of Quinidine on the Pharmacokinetics of NKTR-118",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1"
      ],
      "conditions": [
        "Drug Induced Constipation"
      ],
      "interventions": [
        {
          "name": "Nektar 118",
          "type": "DRUG"
        },
        {
          "name": "Quinidine",
          "type": "DRUG"
        },
        {
          "name": "Quinidine placebo",
          "type": "DRUG"
        },
        {
          "name": "Morphine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "AstraZeneca",
      "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": 214,
      "start_date": "2012-03",
      "completion_date": "2012-09",
      "has_results": false,
      "last_update_posted_date": "2014-10-15",
      "last_synced_at": "2026-05-22T08:10:50.037Z",
      "location_count": 1,
      "location_summary": "Overland Park, Kansas",
      "locations": [
        {
          "city": "Overland Park",
          "state": "Kansas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01533155"
    }
  ]
}