# Incidence and Factors Affecting the Development and Outcome of Post Mastectomy Pain Syndrome

> **NCT04989179** · — · ACTIVE_NOT_RECRUITING · sponsor: **Singapore General Hospital** · enrollment: 220 (estimated)

## Conditions studied

- Breast Cancer
- Post-mastectomy Pain Syndrome

## Interventions

_None listed._

## Key facts

- **NCT ID:** NCT04989179
- **Lead sponsor:** Singapore General Hospital
- **Sponsor class:** OTHER
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** ACTIVE_NOT_RECRUITING
- **Start date:** 2021-10-28
- **Primary completion:** 2026-12
- **Final completion:** 2027-12
- **Target enrollment:** 220 (ESTIMATED)
- **Last updated:** 2025-12-26


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04989179

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04989179, "Incidence and Factors Affecting the Development and Outcome of Post Mastectomy Pain Syndrome". Retrieved via AI Analytics 2026-06-01 from https://api.ai-analytics.org/clinical/NCT04989179. Licensed CC0.

---

*[Clinical trials dataset](/datasets/clinical-trials) · CC0 1.0*