{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Extended-Release+Tacrolimus",
    "query": {
      "intervention": "Extended-Release Tacrolimus"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 35,
    "total_pages": 4,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Extended-Release+Tacrolimus&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-03T16:16:54.946Z",
  "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": "NCT02444143",
      "title": "A Pharmacokinetic Analysis of Tacrolimus ER Dosing in Obese Kidney Transplant Recipients",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Kidney Transplantation"
      ],
      "interventions": [
        {
          "name": "tacrolimus extended release",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Illinois at Chicago",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "100 Years",
        "sex": "ALL",
        "summary": "18 Years to 100 Years"
      },
      "enrollment_count": 20,
      "start_date": "2015-05",
      "completion_date": "2017-06-09",
      "has_results": true,
      "last_update_posted_date": "2018-11-07",
      "last_synced_at": "2026-09-03T16:16:54.946Z",
      "location_count": 1,
      "location_summary": "Chicago, Illinois",
      "locations": [
        {
          "city": "Chicago",
          "state": "Illinois"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02444143"
    },
    {
      "nct_id": "NCT03373227",
      "title": "Phase II Study Evaluating the Efficacy of Tacrolimus Extended Release Tablets to Twice Daily Tacrolimus Dosing Regimen",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Heart Transplant Rejection",
        "Graft Failure",
        "Compliance, Patient"
      ],
      "interventions": [
        {
          "name": "Envarsus",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Baylor Research Institute",
      "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": 50,
      "start_date": "2017-12-04",
      "completion_date": "2023-12-30",
      "has_results": false,
      "last_update_posted_date": "2025-10-08",
      "last_synced_at": "2026-09-03T16:16:54.946Z",
      "location_count": 1,
      "location_summary": "Dallas, Texas",
      "locations": [
        {
          "city": "Dallas",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03373227"
    },
    {
      "nct_id": "NCT04156204",
      "title": "Immunosuppressant Medication Dosed Daily After Kidney Transplant",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "Kidney Transplant Rejection",
        "Medication Adherence"
      ],
      "interventions": [
        {
          "name": "Medication Event Monitoring System (MEMS)",
          "type": "OTHER"
        },
        {
          "name": "Once-Daily Tacrolimus extended release",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "OTHER",
        "DRUG"
      ],
      "sponsor": "University of Colorado, Denver",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "13 Years",
        "maximum_age": "22 Years",
        "sex": "ALL",
        "summary": "13 Years to 22 Years"
      },
      "enrollment_count": 1,
      "start_date": "2019-11-20",
      "completion_date": "2020-11-27",
      "has_results": false,
      "last_update_posted_date": "2020-12-02",
      "last_synced_at": "2026-09-03T16:16:54.946Z",
      "location_count": 1,
      "location_summary": "Aurora, Colorado",
      "locations": [
        {
          "city": "Aurora",
          "state": "Colorado"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04156204"
    },
    {
      "nct_id": "NCT03437577",
      "title": "Comparison of the Cognitive and Motor Effects of Treatment Between an Immediate- and Extended-release Tacrolimus (Envarsus® XR) Based Immunosuppression Regimen in Kidney Transplant Recipients",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE1",
        "PHASE2"
      ],
      "conditions": [
        "Kidney Transplant Failure and Rejection"
      ],
      "interventions": [
        {
          "name": "immediate-release tacrolimus",
          "type": "DRUG"
        },
        {
          "name": "extended release tacrolimus",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Minnesota",
      "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": 18,
      "start_date": "2018-05-08",
      "completion_date": "2020-03-31",
      "has_results": true,
      "last_update_posted_date": "2021-04-15",
      "last_synced_at": "2026-09-03T16:16:54.946Z",
      "location_count": 1,
      "location_summary": "Minneapolis, Minnesota",
      "locations": [
        {
          "city": "Minneapolis",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03437577"
    },
    {
      "nct_id": "NCT02545972",
      "title": "Once-a-day Tacrolimus Conversion Study: The OneTAC Trial",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Heart Failure"
      ],
      "interventions": [
        {
          "name": "tacrolimus extended release",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Newark Beth Israel Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 100,
      "start_date": "2016-02",
      "completion_date": "2019-02",
      "has_results": false,
      "last_update_posted_date": "2016-09-21",
      "last_synced_at": "2026-09-03T16:16:54.946Z",
      "location_count": 1,
      "location_summary": "Newark, New Jersey",
      "locations": [
        {
          "city": "Newark",
          "state": "New Jersey"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02545972"
    },
    {
      "nct_id": "NCT03511560",
      "title": "Envarsus on the Effect of Total Tacrolimus Dose/Trough Level Ratio on Renal Function (eGFR) in Kidney Transplantation",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Renal Transplant Rejection",
        "Kidney Transplant Failure and Rejection"
      ],
      "interventions": [
        {
          "name": "Tacrolimus Extended Release Oral Tablet",
          "type": "DRUG"
        },
        {
          "name": "Tacrolimus",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Columbia University",
      "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": 50,
      "start_date": "2018-07-26",
      "completion_date": "2021-07-17",
      "has_results": true,
      "last_update_posted_date": "2024-07-17",
      "last_synced_at": "2026-09-03T16:16:54.946Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03511560"
    },
    {
      "nct_id": "NCT04773392",
      "title": "Simplified IMmunosuppressive Protocol Utilizing Low Dose EnvarsusXR",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Kidney Transplantation",
        "Kidney Transplant Rejection"
      ],
      "interventions": [
        {
          "name": "Twice-daily Tacrolimus",
          "type": "DRUG"
        },
        {
          "name": "Once-daily envarsus XR",
          "type": "DRUG"
        },
        {
          "name": "Induction Immunosuppression with Basiliximab or Rabbit Anti Thymoglobulin (rATG)",
          "type": "DRUG"
        },
        {
          "name": "Methylprednisolone, prednisone",
          "type": "DRUG"
        },
        {
          "name": "Mycophenolate mofetil (MMF) or Mycophenolic acid (MPA)",
          "type": "DRUG"
        },
        {
          "name": "Azathioprine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Southern California",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "85 Years",
        "sex": "ALL",
        "summary": "18 Years to 85 Years"
      },
      "enrollment_count": 20,
      "start_date": "2021-11-23",
      "completion_date": "2024-02-23",
      "has_results": false,
      "last_update_posted_date": "2025-11-10",
      "last_synced_at": "2026-09-03T16:16:54.946Z",
      "location_count": 1,
      "location_summary": "Los Angeles, California",
      "locations": [
        {
          "city": "Los Angeles",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04773392"
    },
    {
      "nct_id": "NCT04469842",
      "title": "Early Use of Long-acting Tacrolimus in Lung Transplant Recipients",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "EARLY_PHASE1"
      ],
      "conditions": [
        "Lung Transplant; Complications"
      ],
      "interventions": [
        {
          "name": "Tacrolimus Extended Release Oral Tablet [Envarsus]",
          "type": "DRUG"
        },
        {
          "name": "Tacrolimus",
          "type": "DRUG"
        },
        {
          "name": "Mycophenolate Mofetil Hydrochloride",
          "type": "DRUG"
        },
        {
          "name": "Prednisone",
          "type": "DRUG"
        },
        {
          "name": "Azathioprine",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Vanderbilt University Medical Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 48,
      "start_date": "2023-12-01",
      "completion_date": "2027-12-31",
      "has_results": false,
      "last_update_posted_date": "2026-05-15",
      "last_synced_at": "2026-09-03T16:16:54.946Z",
      "location_count": 1,
      "location_summary": "Nashville, Tennessee",
      "locations": [
        {
          "city": "Nashville",
          "state": "Tennessee"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04469842"
    },
    {
      "nct_id": "NCT02723591",
      "title": "To Compare the Effects of Immediate-release Tacrolimus and Astagraf XL on Donor-Specific Antibody (DSA) Formation and the Development of Immune Activation (IA) in de Novo Kidney Transplant Recipients",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Kidney Transplantation"
      ],
      "interventions": [
        {
          "name": "Tacrolimus",
          "type": "DRUG"
        },
        {
          "name": "Tacrolimus immediate release",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Astellas Pharma Global Development, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "16 Years",
        "maximum_age": "70 Years",
        "sex": "ALL",
        "summary": "16 Years to 70 Years"
      },
      "enrollment_count": 599,
      "start_date": "2016-09-09",
      "completion_date": "2019-06-14",
      "has_results": true,
      "last_update_posted_date": "2024-12-18",
      "last_synced_at": "2026-09-03T16:16:54.946Z",
      "location_count": 30,
      "location_summary": "Birmingham, Alabama • Scottsdale, Arizona • Los Angeles, California + 24 more",
      "locations": [
        {
          "city": "Birmingham",
          "state": "Alabama"
        },
        {
          "city": "Scottsdale",
          "state": "Arizona"
        },
        {
          "city": "Los Angeles",
          "state": "California"
        },
        {
          "city": "Sacramento",
          "state": "California"
        },
        {
          "city": "San Francisco",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02723591"
    },
    {
      "nct_id": "NCT03916380",
      "title": "Drug Interaction With Envarsus XR and Grapefruit Juice",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Kidney Transplant; Complications",
        "Drug Interaction Food"
      ],
      "interventions": [
        {
          "name": "Grapefruit Juice",
          "type": "DIETARY_SUPPLEMENT"
        }
      ],
      "intervention_types": [
        "DIETARY_SUPPLEMENT"
      ],
      "sponsor": "Shirley M. Tsunoda",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 11,
      "start_date": "2019-10-25",
      "completion_date": "2023-12-31",
      "has_results": false,
      "last_update_posted_date": "2025-04-09",
      "last_synced_at": "2026-09-03T16:16:54.946Z",
      "location_count": 1,
      "location_summary": "La Jolla, California",
      "locations": [
        {
          "city": "La Jolla",
          "state": "California"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03916380"
    }
  ]
}