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Clinical Trial Summary

Laparoscopic adrenalectomy has become the gold standard operation for non-malignant adrenal tumors replacing open adrenalectomy. The most popular lateral transperitoneal laparoscopic adrenalectomy (LTLA) approach has been recently challenged by an increasing popularity of the posterior retroperitoneoscopic adrenalectomy (PRA) approach which is believed by many surgeons as an easy to learn, reproducible and beneficial for patients. However, this belief is not evidence-based, so far. The aim of this study is to clarify if PRA is superior to the LTLA as minimally invasive approach to small and benign adrenal tumors.


Clinical Trial Description

Laparoscopic adrenalectomy has replaced open adrenalectomy as the standard operation for non-malignant adrenal tumours. Thanks to the popularization of the posterior technique described by Walz and co-workers, the posterior retroperitoneal adrenalectomy (PRA) is being performed in increasing numbers worldwide. Advocates for the laparoscopic and retroperitoneoscopic approaches cite the advantages of each technique, but there is no published evidence that supports the superiority of one over the other. Most of the published literature is retrospective, with inadequate or no controls and with potential biases.

The aim of this study is to test the hypothesis that PRA is superior to the lateral transperitoneal laparoscopic adrenalectomy (LTLA) as minimally invasive approach to small and benign adrenal tumors.

For a sample size calculation an assumption was made that a 20% reduction in duration of surgery represents clinically relevant difference. To detect this, it was calculated that 24 patients would be required in each treatment arm to give the study a power of 90 per cent. Anticipating a 25% loss to follow-up, 32 patients per arm were required in the study. ;


Study Design

Allocation: Randomized, Endpoint Classification: Safety/Efficacy Study, Intervention Model: Parallel Assignment, Masking: Single Blind (Outcomes Assessor), Primary Purpose: Treatment


Related Conditions & MeSH terms


NCT number NCT01959711
Study type Interventional
Source Jagiellonian University
Contact
Status Completed
Phase Phase 4
Start date January 2006
Completion date July 2013

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