Crick
HomeTrialsGenesDrugs23andMeGraphBlogContact
  • Home
  • Trials
  • Genes
  • Drugs
  • 23andMe
  • Graph
  • Blog
  • Contact
Crick

An open-source clinical intelligence platform. Explore clinical trials, gene networks, and molecular structures using public data sources.

Data Sources

  • ClinicalTrials.gov
  • OpenTargets
  • ClinVar
  • PubChem

Links

  • Contact
  • About
  • Privacy

© 2026 Crick. All rights reserved.

Crick is for educational purposes only. Not medical advice.

Results for “Retrograde Intrarenal Surgery (RIRS)”

50 trials

Filters

Phase
Early Phase 1
Phase 1
Phase 2
Phase 3
Phase 4
Status
Recruiting
Active, Not Recruiting
Not Yet Recruiting
Completed
Enrolling by Invitation

Showing 20 of 50 results

Not applicableStudy completedNCT07202923
What this trial is testing

Effect of Preoperative Alpha-blockers on Successful Insertion Ureteral Access Sheath and Reduce Ureteral Injury in Non-prestented Patients During RIRS. Assessment of Factors for Successful Ureteral Access Sheath Insertion.

Who this might be right for
UrolithiasisUreteral InjuryUreteral Access Sheath+1 more
St. Luke's Clinical Hospital, Russia 140
Not applicableLooking for participantsNCT07535281
What this trial is testing

Effect of Complete Suction-Induced Collapse of the Renal Collecting System at the End of RIRS on Early Postoperative Outcomes

Who this might be right for
Kidney StonesNephrolithiasisRenal Calculi
Kangdong Sacred Heart Hospital 90
Not applicableStudy completedNCT06746779
What this trial is testing

The Role of Preoperative Ureteral Diameter Measurements in Predicting Difficult Access During Retrograde Intrarenal Surgery: A Retrospective Analysis of 234 Patients

Who this might be right for
Kidney StonesRetrograde Intrarenal SurgeryDifficult Ureteral Access Prediction
Hisar Intercontinental Hospital 234
Not applicableStudy completedNCT05952635
What this trial is testing

Tip Bendable Suction Ureteral Access Sheath vs. Traditional Ureteral Access Sheath in Retrograde Intrarenal Stone Surgery

Who this might be right for
Kidney Stone
The First Affiliated Hospital of Guangzhou Medical University 320
Not applicableUnknownNCT05240170
What this trial is testing

RIRS for Treatment of Stones in Congenital Anomalous Kidneys

Who this might be right for
Renal CalculiRenal Anomaly
Al-Azhar University 160
Not applicableStudy completedNCT02485002
What this trial is testing

Differences in Urine NGAL Levels in Patients Undergoing RIRS With or Without Ureteral Access Sheath

Who this might be right for
Urolithiasis
Selcuk University 60
Not applicableStudy completedNCT02501525
What this trial is testing

Effect of Ureteral Access Sheath Use on Postoperative Pain Level in Patients Undergoing RIRS

Who this might be right for
Urolithiasis
Selcuk University 80
Not applicableStudy completedNCT03719456
What this trial is testing

Prospective Assessment of Procedure-Related and Patient-Reported Outcomes After Retrograde Intrarenal Surgery (RIRS) for Renal Calculi Less Than 20 mm

Who this might be right for
Renal Stone
Mansoura University 340
Not applicableNot Yet RecruitingNCT07310966
What this trial is testing

Comparison of Lithotomy Versus Lateral Position in Retrograde Intrarenal Surgery for Lower Calyceal Stones Less Than 2 cm

Who this might be right for
Renal Calculi
Menoufia University 70
Not applicableUnknownNCT05202158
What this trial is testing

A Novel Method for Retrograde Intrarenal Surgery (RIRS)

Who this might be right for
Kidney Stone
Ankara Training and Research Hospital 76
Not applicableLooking for participantsNCT07058402
What this trial is testing

RIRS With Flex Suction Sheath vs. PCNL for 2-3 cm Renal Stones

Who this might be right for
Nephrolithiasis
Changhai Hospital 308
Not applicableNot Yet RecruitingNCT07636070
What this trial is testing

Multimodal Opioid-Free Anesthesia in RIRS

Who this might be right for
Kidney StoneRetrograde Intrarenal Surgery (RIRS)Postoperative Pain
murat sahin 60
Not applicableStudy completedNCT07289230
What this trial is testing

Sheathless, Traditional, and Suction Access Sheath RIRS for Renal Stones ≤2 cm

Who this might be right for
Kidney CalculiRenal CalculiUrolithiasis+1 more
Ain Shams University 90
Not applicableNot Yet RecruitingNCT07555535
What this trial is testing

Videolaryngoscope vs VideoLMA for Endotracheal Intubation in RIRS

Who this might be right for
UrolithiasisAirway Management
Ela Erdem Hıdiroglu 100
Not applicableNot Yet RecruitingNCT07295925
What this trial is testing

Risk Factors for Postoperative Fever and Sepsis Following Retrograde Intrarenal Surgery

Who this might be right for
Urolithiasis
TC Erciyes University 250
Not applicableLooking for participantsNCT07076589
What this trial is testing

A Comparative Study Between the Usage of Flexible and Navigable Suction Ureteral Access Sheath Versus Traditional Access Sheath in Retrograde Intrarenal Surgeries

Who this might be right for
Stones, KidneyUreter Stones
Yosseif elhousseiny ammar ahmed 80
Not applicableUnknownNCT05851339
What this trial is testing

Determinants of Health-related Quality of Life for Patients After Renal Lithotripsy: PNL Versus RIRS

Who this might be right for
Health Related Quality of Life
South Valley University 200
Testing effectiveness (Phase 2)Looking for participantsNCT07623876
What this trial is testing

Tamsulosin and Intraureteral Aminophylline for Ureteral Access During RIRS

Who this might be right for
Renal StonesRetrograde Intrarenal SurgeryUreteral Access Sheath Placement
Beni-Suef University 322
Not applicableStudy completedNCT07026721
What this trial is testing

Comparative Analysis of RIRS Scoring System and Resorlu Unsal Stone Score (RUSS) for Predicting Stone-free Rate After Retrograde Intrarenal Surgery

Who this might be right for
Renal Stones
Maharajgunj Medical Campus 60
Not applicableStudy completedNCT07052188
What this trial is testing

Effect of Preop Stent Duration on SFR and Secondary Intervention in RIRS

Who this might be right for
Stone, UrinaryStone, Kidney
Bedreddin Kalyenci 210
Load More Results