{
  "api_version": "1",
  "request": {
    "url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Post-Void+Residual",
    "query": {
      "intervention": "Post-Void Residual"
    },
    "page_size": 10
  },
  "pagination": {
    "page": 1,
    "page_size": 10,
    "total_count": 19,
    "total_pages": 2,
    "next_page_url": "https://clinicaltrialsfind.com/api/v1/search.json?intervention=Post-Void+Residual&page=2&page_size=10",
    "previous_page_url": null
  },
  "source": "remote",
  "last_synced_at": "2026-09-08T20:43:38.509Z",
  "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": "NCT03009968",
      "title": "Reducing Postoperative Catheterization",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Urinary Retention",
        "Urinary Incontinence",
        "Pelvic Organ Prolapse",
        "Urinary Tract Infections"
      ],
      "interventions": [
        {
          "name": "Post-void residual free voiding trial",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "University of North Carolina, Chapel Hill",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "99 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 99 Years · Female only"
      },
      "enrollment_count": 150,
      "start_date": "2017-03-17",
      "completion_date": "2018-02-01",
      "has_results": false,
      "last_update_posted_date": "2018-03-19",
      "last_synced_at": "2026-09-08T20:43:38.509Z",
      "location_count": 1,
      "location_summary": "Chapel Hill, North Carolina",
      "locations": [
        {
          "city": "Chapel Hill",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03009968"
    },
    {
      "nct_id": "NCT04155593",
      "title": "In-office Assessment of Voiding Function Following Botox Injection for Overactive Bladder",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Overactive Bladder"
      ],
      "interventions": [],
      "intervention_types": [],
      "sponsor": "TriHealth Inc.",
      "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": 135,
      "start_date": "2019-11-08",
      "completion_date": "2020-07-15",
      "has_results": false,
      "last_update_posted_date": "2020-09-02",
      "last_synced_at": "2026-09-08T20:43:38.509Z",
      "location_count": 1,
      "location_summary": "Cincinnati, Ohio",
      "locations": [
        {
          "city": "Cincinnati",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04155593"
    },
    {
      "nct_id": "NCT04846387",
      "title": "Mapping of the Human Brainstem During Continence and Micturition: Noninvasive 7-T fMRI Study",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Healthy"
      ],
      "interventions": [
        {
          "name": "Magnetic Resonance Imaging (MRI)",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Post-Void Residual",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Uroflowmetry",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Questionaire - AUA Symptom Score",
          "type": "BEHAVIORAL"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST",
        "BEHAVIORAL"
      ],
      "sponsor": "The Methodist Hospital Research Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 20,
      "start_date": "2021-01-18",
      "completion_date": "2023-12-31",
      "has_results": false,
      "last_update_posted_date": "2025-04-10",
      "last_synced_at": "2026-09-08T20:43:38.509Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT04846387"
    },
    {
      "nct_id": "NCT03028753",
      "title": "Accuracy of Bladder Scanners in Post-operative Voiding Trials",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Pelvic Floor Disorders"
      ],
      "interventions": [
        {
          "name": "Bladder scan post void residual",
          "type": "DEVICE"
        },
        {
          "name": "Straight catheter post void residual",
          "type": "PROCEDURE"
        },
        {
          "name": "Back fill voiding trial",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "DEVICE",
        "PROCEDURE"
      ],
      "sponsor": "Tufts Medical 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": 0,
      "start_date": "2016-08",
      "completion_date": "2019-01",
      "has_results": false,
      "last_update_posted_date": "2020-03-09",
      "last_synced_at": "2026-09-08T20:43:38.509Z",
      "location_count": 1,
      "location_summary": "Boston, Massachusetts",
      "locations": [
        {
          "city": "Boston",
          "state": "Massachusetts"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03028753"
    },
    {
      "nct_id": "NCT01091844",
      "title": "Efficacy of Retrograde Fill Vs Spontaneous Fill to Assess Voiding Function",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Urinary Retention",
        "Surgery"
      ],
      "interventions": [
        {
          "name": "Voiding Trial",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "University of North Carolina, Chapel Hill",
      "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": 50,
      "start_date": "2009-12",
      "completion_date": "2010-08",
      "has_results": false,
      "last_update_posted_date": "2010-10-13",
      "last_synced_at": "2026-09-08T20:43:38.509Z",
      "location_count": 1,
      "location_summary": "Chapel Hill, North Carolina",
      "locations": [
        {
          "city": "Chapel Hill",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01091844"
    },
    {
      "nct_id": "NCT02746913",
      "title": "Ambulatory Pessary Trial",
      "overall_status": "WITHDRAWN",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Urinary Incontinence"
      ],
      "interventions": [
        {
          "name": "Urodynamics",
          "type": "DEVICE"
        },
        {
          "name": "Pessary",
          "type": "DEVICE"
        }
      ],
      "intervention_types": [
        "DEVICE"
      ],
      "sponsor": "NYU Langone Health",
      "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": 0,
      "start_date": "2017-11",
      "completion_date": "2017-12",
      "has_results": false,
      "last_update_posted_date": "2017-09-11",
      "last_synced_at": "2026-09-08T20:43:38.509Z",
      "location_count": 1,
      "location_summary": "New York, New York",
      "locations": [
        {
          "city": "New York",
          "state": "New York"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02746913"
    },
    {
      "nct_id": "NCT01343784",
      "title": "Assessment of Voiding After Sling",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Post-operative Voiding"
      ],
      "interventions": [
        {
          "name": "Urinary voiding assessment after midurethral sling",
          "type": "OTHER"
        }
      ],
      "intervention_types": [
        "OTHER"
      ],
      "sponsor": "The Cleveland Clinic",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": "81 Years",
        "sex": "FEMALE",
        "summary": "18 Years to 81 Years · Female only"
      },
      "enrollment_count": 105,
      "start_date": "2011-04",
      "completion_date": "2013-12",
      "has_results": false,
      "last_update_posted_date": "2014-02-19",
      "last_synced_at": "2026-09-08T20:43:38.509Z",
      "location_count": 2,
      "location_summary": "Beachwood, Ohio • Mayfield Heights, Ohio",
      "locations": [
        {
          "city": "Beachwood",
          "state": "Ohio"
        },
        {
          "city": "Mayfield Heights",
          "state": "Ohio"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT01343784"
    },
    {
      "nct_id": "NCT03991429",
      "title": "Brain Imaging in Men With Lower Urinary Tract Symptoms",
      "overall_status": "COMPLETED",
      "study_type": "OBSERVATIONAL",
      "phases": [],
      "conditions": [
        "Voiding Disorders"
      ],
      "interventions": [
        {
          "name": "Simultaneous functional MRI and urodynamic studies",
          "type": "DIAGNOSTIC_TEST"
        },
        {
          "name": "Questionnaires",
          "type": "BEHAVIORAL"
        },
        {
          "name": "Post Void Residual (PVR), Uroflow and Bladder Diary",
          "type": "OTHER"
        },
        {
          "name": "Urinalysis",
          "type": "DIAGNOSTIC_TEST"
        }
      ],
      "intervention_types": [
        "DIAGNOSTIC_TEST",
        "BEHAVIORAL",
        "OTHER"
      ],
      "sponsor": "The Methodist Hospital Research Institute",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "45 Years",
        "maximum_age": "90 Years",
        "sex": "MALE",
        "summary": "45 Years to 90 Years · Male only"
      },
      "enrollment_count": 11,
      "start_date": "2019-06-04",
      "completion_date": "2022-07-31",
      "has_results": false,
      "last_update_posted_date": "2023-01-05",
      "last_synced_at": "2026-09-08T20:43:38.509Z",
      "location_count": 1,
      "location_summary": "Houston, Texas",
      "locations": [
        {
          "city": "Houston",
          "state": "Texas"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT03991429"
    },
    {
      "nct_id": "NCT02150083",
      "title": "Trial of Two Techniques to Assess Postoperative Voiding Function",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "NA"
      ],
      "conditions": [
        "Urinary Retention"
      ],
      "interventions": [
        {
          "name": "OR retrograde fill",
          "type": "PROCEDURE"
        }
      ],
      "intervention_types": [
        "PROCEDURE"
      ],
      "sponsor": "University of North Carolina, Chapel Hill",
      "sponsor_class": "OTHER",
      "healthy_volunteers": true,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "FEMALE",
        "summary": "18 Years and older · Female only"
      },
      "enrollment_count": 59,
      "start_date": "2011-11",
      "completion_date": "2014-04",
      "has_results": false,
      "last_update_posted_date": "2014-05-29",
      "last_synced_at": "2026-09-08T20:43:38.509Z",
      "location_count": 1,
      "location_summary": "Chapel Hill, North Carolina",
      "locations": [
        {
          "city": "Chapel Hill",
          "state": "North Carolina"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02150083"
    },
    {
      "nct_id": "NCT02486653",
      "title": "Prevention of Post-operative Urinary Retention",
      "overall_status": "COMPLETED",
      "study_type": "INTERVENTIONAL",
      "phases": [
        "PHASE3"
      ],
      "conditions": [
        "Urinary Retention",
        "Urinary Tract Infections"
      ],
      "interventions": [
        {
          "name": "Tamsulosin",
          "type": "DRUG"
        },
        {
          "name": "Placebo",
          "type": "DRUG"
        }
      ],
      "intervention_types": [
        "DRUG"
      ],
      "sponsor": "University of Wisconsin, Madison",
      "sponsor_class": "OTHER",
      "healthy_volunteers": false,
      "eligibility": {
        "minimum_age": "18 Years",
        "maximum_age": null,
        "sex": "ALL",
        "summary": "18 Years and older"
      },
      "enrollment_count": 158,
      "start_date": "2015-08",
      "completion_date": "2018-05-02",
      "has_results": true,
      "last_update_posted_date": "2019-09-25",
      "last_synced_at": "2026-09-08T20:43:38.509Z",
      "location_count": 1,
      "location_summary": "Madison, Wisconsin",
      "locations": [
        {
          "city": "Madison",
          "state": "Wisconsin"
        }
      ],
      "official_url": "https://clinicaltrials.gov/study/NCT02486653"
    }
  ]
}