Trial of Tadalafil, Tamsulosin and Combination for Access Sheath Deployment
Public ClinicalTrials.gov record NCT03229889. Field values are reproduced from the official study page; the official ClinicalTrials.gov record remains the source of truth for eligibility, enrollment, and contact information.
Data is sourced from official ClinicalTrials.gov public API records. Always review the official ClinicalTrials.gov record for the latest information.
Official title
Medication Facilitated Ureteral Access Sheath Deployment During Ureteroscopy and Endoscopic-Guided Percutaneous Nephrolithotomy: A Randomized Double-Blind Placebo Controlled Trial of Tadalafil, Tamsulosin and Combination
Study identification
- NCT ID
- NCT03229889
- Recruitment status
- Completed
- Study type
- Interventional
- Phase
- Phase 4
- Lead sponsor
- University of California, Irvine
- Other
- Enrollment
- 220 participants
Conditions and interventions
Conditions
Interventions
- Cialis 5Mg Tablet Drug
- Flomax 0.4Mg Capsule Drug
- Cialis + Flomax Combination Product
- Placebo Drug
Drug · Combination Product
Eligibility (public fields only)
- Age range
- 18 Years to 99 Years
- Sex
- All
- Healthy volunteers
- Healthy volunteers not accepted
This page does not interpret eligibility. Detailed inclusion and exclusion criteria are on the official ClinicalTrials.gov record.
Study timeline
- Start date
- Jun 6, 2017
- Primary completion
- Mar 23, 2022
- Completion
- Mar 23, 2022
- Last update posted
- Feb 16, 2026
2017 – 2022
United States locations
- U.S. sites
- 1
- U.S. states
- 1
- U.S. cities
- 1
| Facility | City | State | ZIP | Site status |
|---|---|---|---|---|
| UC Irvine Health | Orange | California | 92868 | — |
Site contact phone numbers, emails, and investigator names are intentionally not displayed here. Open the official ClinicalTrials.gov record for site contact information.
About this trial record page
- What this page shows
- Public field values for ClinicalTrials.gov record NCT03229889, including study identification, conditions, interventions, eligibility (age, sex, healthy volunteer), timeline, and U.S. site list.
- What this page does not do
- No medical advice, eligibility judgments, treatment recommendations, study quality scoring, or AI-generated medical summaries. No site contact phone numbers, emails, or investigator names.
- Where the data comes from
- Sourced from the official ClinicalTrials.gov public API. The official record is the source of truth.
- Last refresh
- Last update posted Feb 16, 2026 · Synced Jul 21, 2026
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Open the official record
The complete protocol, eligibility criteria, and contact information for NCT03229889 live on ClinicalTrials.gov.