# An Observational Study to Evaluate the Safety and Efficacy of Pegfilgrastim (Neulasta®)

> **NCT03433560** · — · COMPLETED · sponsor: **Kyowa Kirin Korea Co., Ltd.** · enrollment: 1300 (actual)

## Conditions studied

- Breast Cancer Female
- Breast Neoplasm Female

## Interventions

_None listed._

## Key facts

- **NCT ID:** NCT03433560
- **Lead sponsor:** Kyowa Kirin Korea Co., Ltd.
- **Sponsor class:** INDUSTRY
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** COMPLETED
- **Start date:** 2018-01-18
- **Primary completion:** 2021-06-30
- **Final completion:** 2021-06-30
- **Target enrollment:** 1300 (ACTUAL)
- **Last updated:** 2024-05-14


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT03433560

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT03433560, "An Observational Study to Evaluate the Safety and Efficacy of Pegfilgrastim (Neulasta®)". Retrieved via AI Analytics 2026-05-25 from https://api.ai-analytics.org/clinical/NCT03433560. Licensed CC0.

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