Can robot-assisted surgery transform kidney transplantation by reducing surgical complications within the first 30 days?
A new trial aims to discover if robots are the key to unlocking a new era of precision and patient care.
It will explore whether robot-assisted kidney transplantation (RAKT) can outperform traditional open kidney transplantation (OKT) methods to minimise surgical risks.
ORAKTx, an innovative study spearheaded by Copenhagen University Hospital – Rigshospitalet, is leading the investigation.
The results could potentially redefine kidney transplantation and pave the way for safer, more effective procedures for patients with end-stage kidney disease.
While kidney transplantation is considered the gold standard treatment for end-stage kidney disease, its success depends heavily on achieving a surgery free of complications.
Major complications can jeopardise kidney graft survival, forcing patients back onto long waiting lists for another transplant.
While robot-assisted surgery has gained traction for its precision and minimally invasive approach, its efficacy in kidney transplantation remains untested in randomised clinical trials until now.
The ORAKTx trial will enrol 106 adult kidney transplant recipients and randomly assign them to undergo either RAKT or OKT.
The primary focus is to compare vascular and major surgical complications occurring within 30 days post-operation.
Secondary outcomes will be monitored over two years, including long-term graft function, late complications, and patient recovery.
As a superiority trial, the research aims to establish whether RAKT offers significant advantages over OKT in reducing surgical complications.
Rigorous intention-to-treat principles will be applied to ensure the reliability of the findings.
RAKT offers several potential benefits, including reduced bleeding, minimised post-operative pain, and fewer vascular and urological complications such as haematomas and ureteral strictures.
Robotic technology allows surgeons to perform intricate vascular anastomoses with enhanced precision, which is critical for kidney graft survival.
Minimally invasive procedures like RAKT have already demonstrated reduced complication rates in other urological surgeries, such as pyeloplasty and neo-implantation.
However, evidence from observational studies and case series has been insufficient to justify replacing the traditional open approach. This trial seeks to fill that gap with robust, randomised evidence.
Despite its promise, RAKT faces challenges. The learning curve for robotic surgery, even for experienced surgeons, could impact outcomes. To mitigate this, the study restricts participation to senior surgeons with extensive experience in kidney transplantation and robotic procedures.
Due to limited robotic operating room capacity, logistical hurdles also arise, particularly for deceased donor kidney recipients. The single-centre design and ambitious complication reduction targets could limit the generalizability and interpretation of the results.
Another challenge is blinding. Given the nature of kidney transplantation, neither patients nor medical personnel can be blinded to the surgical approach, potentially introducing bias.
To address this, outcomes will be assessed objectively using the Clavien-Dindo classification system.
If successful, ORAKTx could reshape surgical practices, offering patients safer and less invasive kidney transplantation options.
The study’s comprehensive approach, including predefined procedure-specific complications and a broad patient cohort, reflects the complexities of real-world transplantation settings.
For details of the trial, click here.


