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Cryoablation of Intercostal Nerves for Pain Management in Early Postoperative Period in Patients With Minimally Invasive Mitral Valve Surgery

NCT06443931 · Status: COMPLETED · Phase: NA · Type: INTERVENTIONAL · Enrollment: 30

Last updated 2025-12-30

No results posted yet for this study

Summary

A single-center, pilot, prospective, randomized clinical trial with a 1:1 allocation ratio. The aim of our trial is to determine whether cryoablation of intercostal nerves provides a clinically significant analgesic effect, which is reflected in a decrease in opioid analgesics consumption and in a decrease in pain according to VAS in patients undergoing minimally invasive mitral valve surgery. To obtain preliminary data for planning a subsequent larger prospective randomized trial.

Conditions

  • Mitral Regurgitation
  • Pain, Postoperative

Interventions

PROCEDURE

cryoablation of intercostal nerves

Patients in the CryoINB group will undergo cryoablation of the intercostal nerves, at the end of surgery before weaning from CPB, using the "ArtiCue" device for 120 seconds at a temperature of -50°C to -70°C, in the intercostal spaces where the surgical approach is located, one intercostal space above and one below it. Cold leads to axonotmesis, in which the axon and myelin sheath are damaged, preventing the pain signal from traveling along the sensory nerve. However, the structural elements of the nerve are preserved, which promotes complete regeneration at a rate of 1-2 mm per day, thereby restoring normal function within several months.

Sponsors & Collaborators

  • Meshalkin Research Institute of Pathology of Circulation

    lead NETWORK

Study Design

Allocation
RANDOMIZED
Purpose
TREATMENT
Masking
SINGLE
Model
PARALLEL

Eligibility

Sex
ALL
Healthy Volunteers
No

Timeline & Regulatory

Start
2024-03-10
Primary Completion
2025-10-31
Completion
2025-10-31

Countries

  • Russia

Study Locations

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Read the full study record

This page highlights key information. For complete eligibility criteria, study locations, investigator contacts, and the full protocol, visit the original record on ClinicalTrials.gov.

View NCT06443931 on ClinicalTrials.gov