# Chronic Pain in Post-Mastectomy Patients; The Difference Between Pectoral Nerve (PECS I-II) and Erector Spinal Plane (ESP) Blocks

> **NCT06900842** · — · COMPLETED · sponsor: **Hacettepe University** · enrollment: 44 (actual)

## Conditions studied

- Breast Cancer Surgery
- Postoperative Pain, Acute
- Postoperative Pain, Chronic
- Post-mastectomy Pain Syndrome
- Regional Anesthesia
- Pectoral Nerve (PECS) Block
- Erector Spine Plane Block
- Neuropathic Pain
- Mastectomy
- Quality of Life (QOL)

## Interventions

_None listed._

## Key facts

- **NCT ID:** NCT06900842
- **Lead sponsor:** Hacettepe University
- **Sponsor class:** OTHER
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** COMPLETED
- **Start date:** 2024-05-22
- **Primary completion:** 2024-09-20
- **Final completion:** 2024-09-20
- **Target enrollment:** 44 (ACTUAL)
- **Last updated:** 2025-03-28


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT06900842

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT06900842, "Chronic Pain in Post-Mastectomy Patients; The Difference Between Pectoral Nerve (PECS I-II) and Erector Spinal Plane (ESP) Blocks". Retrieved via AI Analytics 2026-06-09 from https://api.ai-analytics.org/clinical/NCT06900842. Licensed CC0.

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