Clinical trial Recruiting at 2 sites Phase 3 Interventional Ages 18 and up

Comparing spinal morphine and intravenous lidocaine for pain management in robotic kidney surgery

Official title: SMILe: Spinal Morphine or Intravenous Lidocaine in Robot-assisted Upper Urologic Surgery

Run by University Hospital, Linkoeping · NCT06349668 · Data updated 2026-11-12

This study is testing if using spinal morphine for pain relief helps people recover better after robotic kidney surgery compared to using intravenous lidocaine.

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Quick facts

PhasePhase 3
Study typeInterventional
Ages18 Years and up
SexAll
Enrollment220 (estimated)
SponsorUniversity Hospital, Linkoeping
Academic / other
Locations3 sites (Kalmar and 2 other locations)
StatusRecruiting
StartedApril 9, 2024
Main results expectedOctober 1, 2027
Study endsDecember 31, 2027
Registry record updatedFebruary 5, 2026
Trial IDNCT06349668 on ClinicalTrials.gov

Is this trial a fit for you?

Likely a good fit

Ideal candidates are adults scheduled for elective robotic-assisted upper urinary tract surgery who can provide informed consent.

Probably not a fit

Patients with severe comorbidities, emergency surgery needs, or those unable to understand the study information will not benefit from this study.

A plain-English reading of the study's rules. Only the study team can confirm whether you qualify.

What this trial studies

This clinical trial aims to determine if adding spinal analgesia improves recovery outcomes for patients undergoing robotic-assisted laparoscopic upper urinary tract surgery. It will assess the effectiveness of spinal morphine and bupivacaine compared to intravenous lidocaine in reducing postoperative pain and enhancing overall recovery as measured by the Quality of Recovery 15 scale. The study will also evaluate the impact on surgical workflow and potential complications associated with spinal analgesia. Participants will be monitored for pain levels, opioid use, and length of hospital stay.

Why it matters

Potential benefit: If successful, this approach could lead to improved recovery experiences and reduced pain for patients undergoing upper urinary tract surgeries.

How similar studies have gone: Previous studies have shown promising results with spinal analgesia in similar surgical contexts, suggesting potential for success in this approach.

Who can join: the full rules

Show full inclusion / exclusion criteria
Inclusion Criteria:

* The patient is scheduled for elective robotic-assisted upper urinary tract surgery at one of the participating hospitals
* The patient gives oral and written informed consent after having received oral and writen information about the study

Exclusion Criteria:

* The patient has a ASA-class of IV or above
* The patient is a minor or declared incompetent, has severe psychiatric disease or is expected not to be able to understand the study information due to severe restrictions in vision, hearing, cognition, reading or Swedish language abilities
* The patient is a female who is pregnant or breastfeeding
* The patient is a pre-menopausal female who has not undergone sterilisation, hysterectomy, bilateral salpingectomy and/or bilateral oophorectomy, and is not using highly-effective contraception with low user-dependency and cannot provide a negative pregnancy test
* The patient is scheduled for emergency surgery
* Research staff not available
* Scheduled significant simultaneous surgery on another organ
* The anesthesiologist in charge has planned spinal or epidural analgesia
* The patient has clear contraindications to spinal analgesia, e.g. severe coagulopathy, severe aortic stenosis, previous back surgery with rods, or spinal analgesia can be expected to be technically challenging (severe obesity, severe scoliosis)
* The patient has clear contraindications to lidocaine infusion, e.g. proven allergy to local anesthetics, myasthenia gravis, renail failure (eGFR \< 30), hepatic failure caused by acute hepatitis or cirrhosis (Child-Pugh B or higher, severe cardiac arrythmias or insuffiency (NYHA IIIb or higher)
* The patient has previously participated in the trial

Where it's running

  • Länssjukhuset i Kalmar
    Kalmar, Sweden
    Recruiting
  • University Hospital Linköping
    Linköping, Sweden
    Recruiting
  • Centrallasarettet Växjö
    Vaxjo, Sweden
    Not yet recruiting

Study contacts

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How to take part

  1. Review the eligibility criteria above with your treating physician.
  2. Check the official listing on ClinicalTrials.gov for the latest contact details and recruitment status.
  3. Contact the study coordinator or principal investigator to ask for pre-screening. Pre-screening is free and never obligates you to enroll.
Last reviewed 2026-11-14 by the Find a Trial editorial team. Information on this page is for educational purposes and is not medical advice. Always consult qualified healthcare professionals about clinical trial participation.