Outcome of transperitoneal versus retroperitoneal robot assisted partial nephrectomy

Outcome of transperitoneal versus retroperitoneal robot assisted partial nephrectomy - TRAREN

Status

Active, not recruiting

Phases

Unknown

Study type

Observational

Source

DRKS

Registry ID

DRKS00028619

Enrollment

235

Registered

2022-03-28

Start date

2020-12-29

Completion date

Unknown

Last updated

2025-04-07

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

C64 D30.0

Interventions

Group 1: Robot-assisted laparoscopic partial nephrectomy, transperitoneal access - primary outcome assessed at discharge - secondary outcome assessed at 12-month follow-up Group 2: Robot-assisted lapa

Eligibility

Sex/Gender

All

Age

18 Years to No maximum

Inclusion criteria

Inclusion criteria: Robot-assisted partial nephrectomy

Exclusion criteria

Exclusion criteria: Ipsilateral re-operation for revision or recurrence

Design outcomes

Primary

Measure	Time frame
Trifecta, binary measure: warm ischemic time = 25 minutes, negative surgical margin and no significant perioperative complications mandatory criteria for trifecta achievement	—

Secondary

Measure	Time frame
Pentafecta [(Trifecta + preserved renal function of > 90% of preoperative e-GFR + no upstaging of a chronic kidney failure grade at 12-month follow-up. Disease free at 12-month follow-up.	—

Countries

Germany

Contacts

Public ContactBeate Belz

Klinik und Poliklinik für Urologie und Kinderurologie, Universitätsmedizin der Johannes Gutenberg-Universität Mainz

beate.belz@unimedizin-mainz.de+496131172301

Outcome results

None listed

Source: DRKS (via WHO ICTRP) · Data processed: Feb 4, 2026