MIRs 04 : Interpectoral Nerve Block With Ropivacaine Versus Placebo Before Breast Cancer Surgery
MIRs 04
A Double-blind Randomized Trial of Interpectoral Nerve Block (Pecs 1 and 2) With Ropivacaine Versus Placebo Before Breast Cancer Surgery: Effects on Acute Postoperative Pain. (MIRs 04)
1 other identifier
interventional
182
1 country
4
Brief Summary
Compare the effect of ropivacaine versus placebo pectoral nerve block (Pecs 1 and 2) on acute pain after tumorectomy plus sentinel lymph node dissection on one day surgery.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at P25-P50 for phase_3
Started Aug 2020
4 active sites
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
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Study Timeline
Key milestones and dates
First Submitted
Initial submission to the registry
March 9, 2020
CompletedFirst Posted
Study publicly available on registry
March 30, 2020
CompletedStudy Start
First participant enrolled
August 4, 2020
CompletedPrimary Completion
Last participant's last visit for primary outcome
December 30, 2021
CompletedStudy Completion
Last participant's last visit for all outcomes
January 28, 2022
CompletedSeptember 19, 2025
September 1, 2025
1.4 years
March 9, 2020
September 15, 2025
Conditions
Keywords
Outcome Measures
Primary Outcomes (1)
To compare the effect of ropivacaine versus placebo pectoral nerve block (Pecs 1 and 2) on acute pain after tumorectomy plus sentinel lymph node dissection on one day surgery
Percentage of patients treated with step 2 or 3 analgesics during the first three postoperative hours after tumorectomy plus sentinel lymph node dissection, between the group with Ropivacaïne and the group with placebo
3 hours
Secondary Outcomes (8)
Evaluation of acute pain at rest and after shoulder movement until 48 postoperative hours
48 hours
Evaluation of acute pain until 48 postoperative hours
48 hours
Evaluation of patient's satisfaction on pain management
48 hours
Evaluation of Remifentanil consumption during anesthesia
3 hours
Evaluation of analgesic consumption during the first 48 postoperative hours
48 hours
- +3 more secondary outcomes
Study Arms (2)
Placebo
PLACEBO COMPARATORSaline (30 mL maximum)
Ropivacaïne
EXPERIMENTALRopivacaïne 5 mg/mL (not to exceed 3 mg/kg and 30 ml of maximal volume)
Interventions
Injection of the solution of Saline not exceeding 30 mL of maximal volume.
Dilution of Ropivacaine 7.5 mg/ml to 5 mg/ml not to exceed 3 mg/kg of maximal dose and 30 ml of maximal volume
Eligibility Criteria
You may qualify if:
- Women with non-metastatic invasive breast carcinoma or breast carcinoma in situ treated by breast-conserving surgery (tumorectomy) with sentinel node technique on one day surgery.
- Age between 18 and 85 years.
- ASA class 1, 2 or 3
- Signed informed consent form.
You may not qualify if:
- Axillary dissection planned during surgery planning
- All bilateral surgery the day of Pecs administration
- Metastatic breast carcinoma at diagnosis (M1).
- Allergy to local anesthetics and morphine.
- Use of analgesics during the 12 hours preceding the surgical procedure.
- History of ipsilateral surgery during the previous 6 months.
- History of substance abuse.
- Pregnant woman or breastfeeding.
- Subjects deprived of their liberty or under guardianship (including temporary guardianship).
- Subjects no covered by social security scheme
- Experiencing any psychiatric condition or major cognitive impairment that may hamper completion of self-reported questionnaires.
Contact the study team to confirm eligibility.
Sponsors & Collaborators
- Institut Curielead
Study Sites (4)
Centre Jean Perrin
Clermont-Ferrand, 63000, France
Institut Curie
Paris, 75005, France
Hopital Tenon
Paris, 75020, France
Institut de Cancérologie de Lorraine
Vandœuvre-lès-Nancy, 54500, France
Related Publications (1)
Albi-Feldzer A, Gayraud G, Dureau S, Auge M, Lemoine A, Raft J. Efficiency of interpectoral and pectoserratus plane blocks for breast surgery: A randomized controlled trial. J Clin Anesth. 2025 Apr;103:111805. doi: 10.1016/j.jclinane.2025.111805. Epub 2025 Mar 10.
PMID: 40068583RESULT
MeSH Terms
Conditions
Interventions
Condition Hierarchy (Ancestors)
Intervention Hierarchy (Ancestors)
Study Officials
- STUDY DIRECTOR
Pierre FUMOLEAU, PhD
Institut Curie
Study Design
- Study Type
- interventional
- Phase
- phase 3
- Allocation
- RANDOMIZED
- Masking
- DOUBLE
- Who Masked
- PARTICIPANT, INVESTIGATOR
- Masking Details
- Double
- Purpose
- TREATMENT
- Intervention Model
- PARALLEL
- Sponsor Type
- OTHER
- Responsible Party
- SPONSOR
Study Record Dates
First Submitted
March 9, 2020
First Posted
March 30, 2020
Study Start
August 4, 2020
Primary Completion
December 30, 2021
Study Completion
January 28, 2022
Last Updated
September 19, 2025
Record last verified: 2025-09
Data Sharing
- IPD Sharing
- Will share
- Shared Documents
- STUDY PROTOCOL, SAP
- Time Frame
- Data requests can be submitted starting 9 months after last article publication and will be made accessible for up to 12 months.
- Access Criteria
- Access to trial individual participant data can be requested by qualified researchers engaging in independent scientific research, and will be provided following review and approval of a research proposal and Statistical Analysis Plan (SAP) and execution of a data sharing agreement (DSA).
Sponsor will share de-identified data sets. Documents generated under the project will be disseminated in accordance with Institut Curie policies.