Pectoral Nerves Blocks for Chronic Pain
Unknown statusEarly phase 1NCT02719795
View the official record on ClinicalTrials.gov Recruiting status changes often. Contact the study team listed on ClinicalTrials.gov, and talk to your doctor before joining a study.
This study has no listed site in Canada in this snapshot. It is included as part of the worldwide chronic pain corpus.
Brief summary (from the registry)
The purpose of this study is to determine whether pectoral nerves blocks（PECS） would reduce chronic pain at 3 months after modified radical mastectomy（MRM）surgery.
Study details
- Official title
- Pectoral Nerves Blocks and Their Effect on Chronic Pain After Breast Cancer Surgery
- Conditions
- Interventions
- Sponsor
- First Affiliated Hospital Xi'an Jiaotong University
- Start date
- 2016-04
- Primary completion
- 2018-12
- Sex
- Female
- Age range
- from 18 Years to 70 Years
- Results posted
- No results posted in this snapshot
- Countries
- China
- Total sites listed
- 1
Eligibility criteria
Show eligibility criteria (verbatim from the registry)
Inclusion Criteria: * Modified radical mastectomy * American Society of Anesthesiologists physical status 1-3 * BMI 18-35 kg/m2 Exclusion Criteria: * Declining to give written informed consent； * Uncontrolled hypertension； * Allergy to local anesthetics； * Pregnancy； * Alcohol or drug abuse； * Prior breast surgery except for diagnostic biopsies； * Contraindication to the use of regional anesthesia； * History of chronic pain or psychiatric disorder and pregnant patients； * Consumption of NSAID, cyclooxygenase-2 inhibitors or paracetamol within 24 hours before the investigation； * Infection at the needle site. * Inability to properly describe postoperative pain to investigators (eg, language barrier, neuropsychiatric disorder)
Source: ClinicalTrials.gov (US National Library of Medicine), snapshot October 2026. Check the registry for current recruiting status. Record: https://clinicaltrials.gov/study/NCT02719795