NCT06959056

Brief Summary

The goal of this pilot trial is to learn whether the use of cryo nerve block and its effect on sensation in the chest alters recovery after bilateral lung transplantation, and to which extent these parameters are influenced. As this study is setup as a pilot study, the main questions it aims to determine the potential impacted parameters as well as their effect sizes, of cryo-analgesia on both short and long term outcomes following bilateral lung transplantation in COPD patients in a European high volume lung transplant centre. The efficacy parameters under evaluation will be:

  • is the highest pain score affected by the use of cryo nerve block?
  • Is there an effect on the lung function ?
  • Does cryo nerve block cause specific complications?
  • are patients treated with cryo nerve block still needing the same amount of morphine as a pain killer?
  • is the length of stay in intensive care influenced by the use of cryo nerve block?
  • and is the qualiy of life influenced by the use of cryo nerve block? Participants will:
  • undergo cryo nerve block or receive routine pain treatment after bilateral lung transplantation
  • be followed up during the first week after the operation, and every month to determine their pain
  • be asked to perform a lung function test and complete quality of life questionnaires 1, 2, 3, 6 months and 1 year after transplantation

Trial Health

77
On Track

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
40

participants targeted

Target at P25-P50 for not_applicable

Timeline
19mo left

Started Dec 2025

Typical duration for not_applicable

Geographic Reach
1 country

1 active site

Status
recruiting

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

Study Progress22%
Dec 2025Dec 2027

First Submitted

Initial submission to the registry

March 31, 2025

Completed
1 month until next milestone

First Posted

Study publicly available on registry

May 6, 2025

Completed
7 months until next milestone

Study Start

First participant enrolled

December 3, 2025

Completed
5 months until next milestone

Primary Completion

Last participant's last visit for primary outcome

May 1, 2026

Completed
1.6 years until next milestone

Study Completion

Last participant's last visit for all outcomes

December 1, 2027

Expected
Last Updated

December 9, 2025

Status Verified

December 1, 2025

Enrollment Period

5 months

First QC Date

March 31, 2025

Last Update Submit

December 2, 2025

Conditions

Keywords

cryo nerve blocklung transplantationcryoanalgesia

Outcome Measures

Primary Outcomes (9)

  • Visual Analogue pain Scale value

    The highest pain score throughout the day in a participant, expressed on a Visual Analogue Scale instrument for assessing pain will be recorded. Patients will be asked specifically about thoracic/chest pain and asked to rate this pain on a Likert pain scale of 0-10, 0 being no pain and 10 being the worst pain they can imagine.

    Postoperative days 0 to 7, 14, and 21 and every month postoperative until 1 year postoperative

  • Lung function

    Lung function evaluated by spirometry, recorded as Forced Expiratory Value at one second and Functional Vital Capacity expressed in liters and percentage of the expected.

    1, 2, 3, 6 and 12 months postoperative

  • opioid consumption

    use of iv or oral morphin derivatives including tramadol, as well as transdermal delivery forms, expressed in oral morphine milligram equivalents (OMME)

    postoperative days 1-7, and every monthly contact until 1 year postoperative

  • Length of stay (LOS) at ICU

    length of stay at the intensive care unit, expressed in days

    from transplantation until actual discharge of the intensive care unit, between 2 days and 6 months postoperative

  • Total hospital length of stay (HLOS)

    total length of hospital stay, expressed in days

    from treatment until last day in the hospital of the index admission, between 2 days and 6 months postoperative

  • Evaluation of Quality of life - SF12

    Evaluation of quality of life by completion of standardized Quality of Life questionnaire (Short Form -12 (SF12)); 5 point likert scale; higher score equals better quality of life

    single time points at 1, 2, 3, 6 months and 1 year postoperative

  • Evaluation of Quality of life - EQ5D5L

    Evaluation of quality of life by completion of standardized Quality of Life questionnaire (Evaluation of Quality of Life in 5 domains at 5 levels (EQ5D5L)); minimum score 5, maximum score 25; lower score equals better quality of life

    single time points at 1, 2, 3, 6 months and 1 year postoperative

  • Evaluation of Quality of life - Brief Pain Inventory

    Evaluation of quality of life by completion of standardized Quality of Life questionnaire (Brief Pain Inventory); lower score equals better quality of life

    single time points at 1, 2, 3, 6 months and 1 year postoperative

  • Evaluation of Neuropathic Pain

    Evaluation of pain characteristics in order to probe for neuropathic pain levels by means of the Neuropathic Pain Assessment questionnaire; 5 point likert scale, higher score is worse

    single time points at 1, 2, 3, 6 months and 1 year postoperative

Study Arms (2)

Cryo nerve block + routine pain care

ACTIVE COMPARATOR

Participants will undergo cryo nerve block at 6 levels of intercostal muscles, on each side from T3 to T8, 3cm lateral to the parasympathetic chain. The intervention will be performed after receptor pneumonectomy on each side.

Device: cryo nerve block at T3-T8 intercostal nerves bilaterally

Routine pain care

NO INTERVENTION

Participants in the control arm will receive standard institutional pain care following bilateral lungtransplantation.

Interventions

In order to obtain better analgesia at the level of the chest wall, where the chest is bilaterally opened for lung extraction and donor lung implantation, intraoperative cryo-ablation will be applied to the intercostal nerves at the bilateral intercostal spaces 3-8, 3cm lateral to the sympathetic chain, under direct visualization during surgery, as such covering 2 intercostal levels above as well as below the normal access of ICR 4 or 5. By providing analgesia to level 8, we will also cover the area of chest drains, which also tend to cause pain in the postoperative course, especially when patients start mobilizing at the ward. Each nerve bundle will be cooled to a temperature between -65 and -72 °C during 120 seconds by means of the CyroSphere v2 probe (AtriCure Inc; Mason, OH, USA) connected to the provided instrument tower (AtriCure CryoICE box) including a processor device measuring and regulating the N2O flow through the probe.

Cryo nerve block + routine pain care

Eligibility Criteria

Age18 Years+
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • Voluntary written informed consent of the participant or their legally authorized representative has been obtained prior to any screening procedures
  • At least 18 years of age at the time of signing the Informed Consent Form (ICF)
  • Bilateral lung transplantation at UZ Leuven
  • Indication for transplantation: End stage chronic obstructive pulmonary disease (COPD)
  • Storage of lungs on classic ice, cooled system (LUNGguard® (Paragonix) or X°Port Lung Transport Device (Traferox Technologies Inc.) ) are all permitted
  • Patients that have undergone lung volume reduction or talcage are not a contraindication for participation in the study.

You may not qualify if:

  • Unilateral lung transplantation
  • Lobar transplantation
  • Donor lung reconditioning using ex-vivo lung perfusion (EVLP)
  • Combined organ transplantation
  • Chronic opioid use pre-operatively
  • Participation in an interventional Trial with an investigational medicinal product (IMP) or device (IMD) that could potentially influence the post-operative outcomes of this study

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

University Hospitals Leuven

Leuven, Vlaams-Brabant, 3000, Belgium

RECRUITING

MeSH Terms

Conditions

Pain

Condition Hierarchy (Ancestors)

Neurologic ManifestationsSigns and SymptomsPathological Conditions, Signs and Symptoms

Study Officials

  • Hans Van Veer, MD

    Universitaire Ziekenhuizen KU Leuven

    PRINCIPAL INVESTIGATOR
  • Laurens Ceulemans, MD, PhD

    Universitaire Ziekenhuizen KU Leuven

    STUDY CHAIR
  • Yanina Jansen, MD, PhD

    Universitaire Ziekenhuizen KU Leuven

    STUDY CHAIR

Central Study Contacts

Hans Van Veer, MD

CONTACT

Study Design

Study Type
interventional
Phase
not applicable
Allocation
RANDOMIZED
Masking
TRIPLE
Who Masked
PARTICIPANT, CARE PROVIDER, OUTCOMES ASSESSOR
Purpose
TREATMENT
Intervention Model
PARALLEL
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
Consultant Thoracic Surgeon

Study Record Dates

First Submitted

March 31, 2025

First Posted

May 6, 2025

Study Start

December 3, 2025

Primary Completion

May 1, 2026

Study Completion (Estimated)

December 1, 2027

Last Updated

December 9, 2025

Record last verified: 2025-12

Data Sharing

IPD Sharing
Will not share

Data embargo imposed by the research institution

Locations