Apply to trial NCT07071831

A few quick questions so the study team can decide if you might be a fit.

RecruitingDevice study

RETRO Study (RETrograde Renal Access Outcomes)

The goal of this observational study is to learn about the benefit of using RetroPerc® in obtaining renal access for percutaneous nephrolithotomy. The device is already used in routine clinical practice by urologists around the country. Participants who are already scheduled to undergo percutaneous nephrolithotomy as part of their regular care will be asked to participate.

How this works

Answer a few questions
About 5 to 10 minutes. Skip-friendly where possible.
We connect you with the study team
When a site picks up your application, we introduce you to their team directly — with you on the thread.
The team reaches out to schedule screening
Usually within a few business days, via the contact you give.

EmailWe save your progress under this email and copy you when we connect you with the study team.

I agree that Hipa.ai may share my application — my name, contact details, and my answers, including health information — with the official study team for this trial so they can review my responses and contact me.

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RETRO Study (RETrograde Renal Access Outcomes)

How this works

Answer a few questions

We connect you with the study team

The team reaches out to schedule screening