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RISS Versus SPSIP Block in Modified Radical Mastectomy

RECRUITINGN/ASponsored by Ferit Yetik
Actively Recruiting
PhaseN/A
SponsorFerit Yetik
Started2026-06-19
Est. completion2026-11
Eligibility
Age18 Years – 75 Years
SexFEMALE
Healthy vol.Accepted
View on ClinicalTrials.gov →

NCT07659990

Summary

This prospective randomized double-blind controlled trial aims to compare the postoperative analgesic efficacy and dermatomal spread of rhomboid intercostal-subserratus plane (RISS) block and serratus posterior superior intercostal plane (SPSIP) block in patients undergoing modified radical mastectomy. Postoperative pain scores, opioid consumption, rescue analgesic requirements, block-related complications, and quality of recovery outcomes will be evaluated.

Eligibility

Age: 18 Years – 75 YearsSex: FEMALEHealthy volunteers accepted
Inclusion Criteria:

* Female patients aged 18-75 years
* ASA physical status I-III
* Scheduled for elective unilateral modified radical mastectomy with axillary dissection under general anesthesia
* Provision of written informed consent

Exclusion Criteria:

* Anticoagulant therapy
* Bleeding diathesis
* Known allergy to local anesthetics or opioids
* Infection at the block application site or previous surgery in the block area
* Cognitive impairment preventing NRS assessment
* Pregnancy or lactation
* Chronic opioid use
* Severe hepatic or renal failure
* Refusal to participate in the study
* Technical inability to perform the block or failed block

Conditions3

Breast CancerCancerPostoperative Pain

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Trial data from ClinicalTrials.gov. Trial status and eligibility can change — verify directly with the study contact or on ClinicalTrials.gov.

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