{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?condition=Bladder+Stone",
    "query": {
      "condition": "Bladder Stone"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 7,
    "total_pages": 1,
    "next_page_url": null,
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-05-22T00:07:40.087Z",
  "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": "NCT06422312",
      "title": "A Study Comparing a Disposable Flexible Cystoscope With Reusable Scopes in Adult Patients.",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Bladder Cancer",
        "Bladder Stone",
        "Bladder Outlet Obstruction",
        "Renal Stone",
        "Renal Disease"
      ],
      "interventions": [
        {
          "name": "Cystoscopy with RedPine flexible disposable cystoscope",
          "type": "DEVICE"
        },
        {
          "name": "Cystoscopy with standard of care flexible reusable scope",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "Guangzhou Red Pine Medical Instrument Co., Ltd.",
      "sponsor_class": "INDUSTRY",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "120 Years",
        "sex": "ALL",
        "summary": "18 Years to 120 Years"
      },
      "enrollment_count": 0,
      "start_date": "2024-10",
      "completion_date": "2025-07",
      "has_results": false,
      "last_update_posted_date": "2025-04-04",
      "last_synced_at": "2026-05-22T00:07:40.087Z",
      "location_count": 3,
      "location_summary": "Hersey, Pennsylvania • Dallas, Texas • Seattle, Washington",
      "locations": [
        {
          "city": "Hersey",
          "state": "Pennsylvania"
        },
        {
          "city": "Dallas",
          "state": "Texas"
        },
        {
          "city": "Seattle",
          "state": "Washington"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT06422312"
    },
    {
      "nct_id": "NCT02831556",
      "title": "Point of Care 3D Ultrasound for Various Applications: A Pilot Study",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Appendicitis",
        "Evidence of Cholecystectomy",
        "Gallstones",
        "Pregnancy, Ectopic",
        "Aortic Aneurysm",
        "Kidney Stones",
        "Intrauterine Pregnancy",
        "Diverticulitis",
        "Abdominal Injuries",
        "Tumors",
        "Pancreatitis",
        "Digestive System Diseases",
        "Gastrointestinal Diseases",
        "Intraabdominal Infections",
        "Intestinal Diseases",
        "Pregnancy",
        "Vascular Disease",
        "Uterine Fibroids",
        "Ovarian Cysts",
        "Uterine Abnominalies",
        "Bladder Abnominalies",
        "Testicular Abnominalies",
        "Polyps"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Duke University",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": null,
        "maximum_age": null,
        "sex": "ALL",
        "summary": "Not listed"
      },
      "enrollment_count": 174,
      "start_date": "2016-07",
      "completion_date": "2022-08-31",
      "has_results": false,
      "last_update_posted_date": "2024-05-21",
      "last_synced_at": "2026-05-22T00:07:40.087Z",
      "location_count": 1,
      "location_summary": "Durham, North Carolina",
      "locations": [
        {
          "city": "Durham",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02831556"
    },
    {
      "nct_id": "NCT01310582",
      "title": "Recovery Following Desflurane Versus Sevoflurane for Outpatient Urologic Surgery in Elderly Females",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE4"
      ],
      "conditions": [
        "Ureteral Stent Occlusion",
        "Exposure Laser",
        "Ureterostomy; Functional Disturbance",
        "Vaginal Diseases",
        "Injury of Bladder",
        "Excessive Repair",
        "Calculi"
      ],
      "interventions": [
        {
          "name": "Desflurane",
          "type": "DRUG"
        },
        {
          "name": "Sevoflurane",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "Hahnemann University Hospital",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "60 Years",
        "maximum_age": "85 Years",
        "sex": "FEMALE",
        "summary": "60 Years to 85 Years · Female only"
      },
      "enrollment_count": 57,
      "start_date": "2011-05",
      "completion_date": "2013-08",
      "has_results": true,
      "last_update_posted_date": "2013-12-24",
      "last_synced_at": "2026-05-22T00:07:40.087Z",
      "location_count": 1,
      "location_summary": "Philadelphia, Pennsylvania",
      "locations": [
        {
          "city": "Philadelphia",
          "state": "Pennsylvania"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01310582"
    },
    {
      "nct_id": "NCT03630926",
      "title": "Evaluation of the NV-VPAC1 Prostate Cancer (PCa) Urine Diagnostic Test in Subjects With Biopsy-confirmed Prostate Cancer, Benign Prostatic Hypertrophy, or Bladder/Kidney Stones.",
      "overall_status": "UNKNOWN",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Prostate Cancer",
        "Benign Prostatic Hypertrophy",
        "Bladder Stones",
        "Kidney Stones"
      ],
      "interventions": [
        {
          "name": "NV-VPAC1 PCa Urine Diagnostic Test",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST"
      ],
      "sponsor": "Intermountain Health Care, Inc.",
      "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": 45,
      "start_date": "2018-10-16",
      "completion_date": "2019-12",
      "has_results": false,
      "last_update_posted_date": "2019-04-26",
      "last_synced_at": "2026-05-22T00:07:40.087Z",
      "location_count": 1,
      "location_summary": "Murray, Utah",
      "locations": [
        {
          "city": "Murray",
          "state": "Utah"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03630926"
    },
    {
      "nct_id": "NCT04915651",
      "title": "Gallbladder Cryoablation in High-Risk Patients",
      "overall_status": "UNKNOWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Gallbladder Diseases",
        "Cholecystitis",
        "Biliary Colic",
        "Gallstone; Cholecystitis",
        "Biliary Dyskinesia",
        "Gallstone",
        "Gall Bladder Pain"
      ],
      "interventions": [
        {
          "name": "Gallbladder Cryoablation",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "University of Arizona",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 20,
      "start_date": "2021-07-01",
      "completion_date": "2023-07-01",
      "has_results": false,
      "last_update_posted_date": "2021-06-07",
      "last_synced_at": "2026-05-22T00:07:40.087Z",
      "location_count": 1,
      "location_summary": "Tucson, Arizona",
      "locations": [
        {
          "city": "Tucson",
          "state": "Arizona"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04915651"
    },
    {
      "nct_id": "NCT01189071",
      "title": "Preoperative Use of Darifenacin (Enablex) to Alleviate Postoperative Ureteral Stent Pain",
      "overall_status": "TERMINATED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Overactive Bladder",
        "Renal Colic",
        "Pain, Postoperative"
      ],
      "interventions": [
        {
          "name": "Darifenacin",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Missouri-Columbia",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 3,
      "start_date": "2009-08",
      "completion_date": "2011-07",
      "has_results": true,
      "last_update_posted_date": "2016-11-21",
      "last_synced_at": "2026-05-22T00:07:40.087Z",
      "location_count": 1,
      "location_summary": "Columbia, Missouri",
      "locations": [
        {
          "city": "Columbia",
          "state": "Missouri"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01189071"
    },
    {
      "nct_id": "NCT04761107",
      "title": "Impact of COVID-19 on GU Disease",
      "overall_status": "ACTIVE_NOT_RECRUITING",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "COVID-19 Infection",
        "Genitourinary Cancer",
        "Benign Urologic Conditions"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "Icahn School of Medicine at Mount Sinai",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "40 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "40 Years and older"
      },
      "enrollment_count": 15240,
      "start_date": "2021-02-18",
      "completion_date": "2026-02",
      "has_results": false,
      "last_update_posted_date": "2025-01-31",
      "last_synced_at": "2026-05-22T00:07:40.087Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04761107"
    }
  ]
}