{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Optimal+Heart+Failure+Therapy&page=2",
    "query": {
      "intervention": "Optimal Heart Failure Therapy",
      "page": 2
    },
    "page_size": 10
  },
  "pagination": {
    "page": 2,
    "page_size": 10,
    "total_count": 10,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Optimal+Heart+Failure+Therapy&page=1&page_size=10"
  },
  "source": "remote",
  "last_synced_at": "2026-09-28T21:39:03.364Z",
  "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": "NCT01381172",
      "title": "Evaluate Safety and Efficacy of the OPTIMIZER® System in Subjects With Moderate-to-Severe Heart Failure: FIX-HF-5C",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "NYHA Class III Heart Failure",
        "NYHA Class IV Heart Failure"
      ],
      "interventions": [
        {
          "name": "Optimizer System",
          "type": "DEVICE"
        },
        {
          "name": "No intervention: Optimal medical therapy",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "OTHER"
      ],
      "sponsor": "Impulse Dynamics",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 160,
      "start_date": "2011-01",
      "completion_date": "2019-03-19",
      "has_results": true,
      "last_update_posted_date": "2021-09-17",
      "last_synced_at": "2026-09-28T21:39:03.364Z",
      "location_count": 32,
      "location_summary": "Glendale, Arizona • Mesa, Arizona • Phoenix, Arizona + 26 more",
      "locations": [
        {
          "city": "Glendale",
          "state": "Arizona"
        },
        {
          "city": "Mesa",
          "state": "Arizona"
        },
        {
          "city": "Mesa",
          "state": "Arizona"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Tucson",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01381172"
    },
    {
      "nct_id": "NCT05806138",
      "title": "A Study of Vericiguat in People With Breast Cancer and Cancer Therapy-Related Cardiac Dysfunction",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE2"
      ],
      "conditions": [
        "Breast Cancer",
        "Cardiac Dysfunction"
      ],
      "interventions": [
        {
          "name": "Vericiguat",
          "type": "DRUG"
        },
        {
          "name": "Optimal medical therapy",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "DRUG",
        "OTHER"
      ],
      "sponsor": "Memorial Sloan Kettering Cancer Center",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "18 Years and older · Female only"
      },
      "enrollment_count": 21,
      "start_date": "2023-07-17",
      "completion_date": "2028-07-17",
      "has_results": false,
      "last_update_posted_date": "2026-08-03",
      "last_synced_at": "2026-09-28T21:39:03.364Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05806138"
    },
    {
      "nct_id": "NCT01082601",
      "title": "Catheter Ablation for Atrial Fibrillation and Heart Failure",
      "overall_status": "WITHDRAWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Congestive Heart Failure",
        "Atrial Fibrillation",
        "Arrhythmia"
      ],
      "interventions": [
        {
          "name": "Pulmonary Vein Isolation (PVI)",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "St. Luke's-Roosevelt Hospital Center",
      "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": 0,
      "start_date": "2010-04",
      "completion_date": "2012-01",
      "has_results": false,
      "last_update_posted_date": "2012-10-17",
      "last_synced_at": "2026-09-28T21:39:03.364Z",
      "location_count": 2,
      "location_summary": "Ridgewood, New Jersey • New York, New York",
      "locations": [
        {
          "city": "Ridgewood",
          "state": "New Jersey"
        },
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01082601"
    },
    {
      "nct_id": "NCT01129635",
      "title": "Optimal Coronary Sinus Lead Implantation Using Intracardiac Impedography and Magnetic Resonance Imaging",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Heart Failure, Systolic",
        "Left Bundle Branch Block"
      ],
      "interventions": [
        {
          "name": "Cardiac Resynchronization Therapy (CRT) implantation",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "Emory University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 38,
      "start_date": "2010-06",
      "completion_date": "2014-12",
      "has_results": false,
      "last_update_posted_date": "2015-01-21",
      "last_synced_at": "2026-09-28T21:39:03.364Z",
      "location_count": 1,
      "location_summary": "Atlanta, Georgia",
      "locations": [
        {
          "city": "Atlanta",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01129635"
    },
    {
      "nct_id": "NCT00608491",
      "title": "Effectiveness of Ultrafiltration in Treating People With Acute Decompensated Heart Failure and Cardiorenal Syndrome (The CARRESS Study)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Heart Failure"
      ],
      "interventions": [
        {
          "name": "Stepped pharmacologic care",
          "type": "DRUG"
        },
        {
          "name": "Ultrafiltration",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DRUG",
        "DEVICE"
      ],
      "sponsor": "Duke University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 188,
      "start_date": "2008-03",
      "completion_date": "2012-06",
      "has_results": true,
      "last_update_posted_date": "2013-06-24",
      "last_synced_at": "2026-09-28T21:39:03.364Z",
      "location_count": 8,
      "location_summary": "Phoenix, Arizona • Atlanta, Georgia • Minneapolis, Minnesota + 5 more",
      "locations": [
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        },
        {
          "city": "Minneapolis",
          "state": "Minnesota"
        },
        {
          "city": "Rochester",
          "state": "Minnesota"
        },
        {
          "city": "Durham",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00608491"
    },
    {
      "nct_id": "NCT04083690",
      "title": "Multi-lead ECG to Effectively Optimize Resynchronization Devices: New CRT Recipients",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Heart Failure, Systolic"
      ],
      "interventions": [
        {
          "name": "Reprogramming of CRT Device Settings to Optimal Electrical Synchrony",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Allina Health System",
      "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": 120,
      "start_date": "2019-10-11",
      "completion_date": "2024-10-01",
      "has_results": false,
      "last_update_posted_date": "2022-06-09",
      "last_synced_at": "2026-09-28T21:39:03.364Z",
      "location_count": 2,
      "location_summary": "Minneapolis, Minnesota • Saint Paul, Minnesota",
      "locations": [
        {
          "city": "Minneapolis",
          "state": "Minnesota"
        },
        {
          "city": "Saint Paul",
          "state": "Minnesota"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04083690"
    },
    {
      "nct_id": "NCT06898515",
      "title": "Fluid Management of Acute Decompensated Heart Failure Subjects Treated With Reprieve System (FASTR-II) (IDE-G210258)",
      "overall_status": "RECRUITING",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Acute Decompensated Heart Failure"
      ],
      "interventions": [
        {
          "name": "Reprieve System",
          "type": "DEVICE"
        },
        {
          "name": "furosemide infusion",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "DRUG"
      ],
      "sponsor": "Reprieve Cardiovascular, Inc",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "22 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "22 Years and older"
      },
      "enrollment_count": 400,
      "start_date": "2025-07-14",
      "completion_date": "2027-12",
      "has_results": false,
      "last_update_posted_date": "2025-11-26",
      "last_synced_at": "2026-09-28T21:39:03.364Z",
      "location_count": 37,
      "location_summary": "Irvine, California • La Jolla, California • Sacramento, California + 31 more",
      "locations": [
        {
          "city": "Irvine",
          "state": "California"
        },
        {
          "city": "La Jolla",
          "state": "California"
        },
        {
          "city": "Sacramento",
          "state": "California"
        },
        {
          "city": "Gainesville",
          "state": "Florida"
        },
        {
          "city": "Atlanta",
          "state": "Georgia"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06898515"
    },
    {
      "nct_id": "NCT00000607",
      "title": "Randomized Evaluation of Mechanical Assistance for the Treatment of Congestive Heart Failure (REMATCH)",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Cardiovascular Diseases",
        "Heart Diseases",
        "Heart Failure",
        "Heart Failure, Congestive"
      ],
      "interventions": [
        {
          "name": "Left ventricular assist device",
          "type": "DEVICE"
        },
        {
          "name": "Optimal medical therapy",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Columbia University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "72 Years",
        "sex": "ALL",
        "summary": "18 Years to 72 Years"
      },
      "enrollment_count": 129,
      "start_date": "1997-10",
      "completion_date": "1999-03",
      "has_results": false,
      "last_update_posted_date": "2015-12-23",
      "last_synced_at": "2026-09-28T21:39:03.364Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT00000607"
    },
    {
      "nct_id": "NCT02627196",
      "title": "Baroreflex Activation Therapy for Heart Failure",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Heart Failure"
      ],
      "interventions": [
        {
          "name": "BAROSTIM NEO® System",
          "type": "DEVICE"
        },
        {
          "name": "Medical Management",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "DRUG"
      ],
      "sponsor": "CVRx, Inc.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "21 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "21 Years and older"
      },
      "enrollment_count": 1090,
      "start_date": "2016-04-19",
      "completion_date": "2023-10",
      "has_results": true,
      "last_update_posted_date": "2026-03-10",
      "last_synced_at": "2026-09-28T21:39:03.364Z",
      "location_count": 88,
      "location_summary": "Chandler, Arizona • Mesa, Arizona • Phoenix, Arizona + 74 more",
      "locations": [
        {
          "city": "Chandler",
          "state": "Arizona"
        },
        {
          "city": "Mesa",
          "state": "Arizona"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        },
        {
          "city": "Phoenix",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02627196"
    },
    {
      "nct_id": "NCT05990296",
      "title": "Evaluating Strategies to Improve Guideline Directed Medical Therapy: The GDMT Research, Education & Assist Trial for Heart Failure Care",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Heart Failure",
        "Heart Failure With Reduced Ejection Fraction"
      ],
      "interventions": [
        {
          "name": "Multiprong CDS with referral to pharmacist co-management",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Multiprong CDS with GDMT order set",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Focused education",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "BEHAVIORAL"
      ],
      "sponsor": "Geisinger Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 4306,
      "start_date": "2023-08-01",
      "completion_date": "2025-05-17",
      "has_results": false,
      "last_update_posted_date": "2025-09-19",
      "last_synced_at": "2026-09-28T21:39:03.364Z",
      "location_count": 1,
      "location_summary": "Danville, Pennsylvania",
      "locations": [
        {
          "city": "Danville",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT05990296"
    }
  ]
}