# An Observational Study of the Mean Duration of Trastuzumab (Herceptin) Treatment in Participants With Early or Metastatic Human Epidermal Growth Factor Receptor 2 (HER2)-Positive Breast Cancer

> **NCT01187381** · — · TERMINATED · sponsor: **Hoffmann-La Roche** · enrollment: 250 (actual)

## Conditions studied

- Breast Cancer

## Interventions

- **DRUG:** Trastuzumab

## Key facts

- **NCT ID:** NCT01187381
- **Lead sponsor:** Hoffmann-La Roche
- **Sponsor class:** INDUSTRY
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** TERMINATED
- **Start date:** 2010-04-14
- **Primary completion:** 2015-10-15
- **Final completion:** 2015-10-15
- **Target enrollment:** 250 (ACTUAL)
- **Why stopped:** Study was prematurely terminated because of missing data collection.
- **Last updated:** 2017-10-20


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT01187381

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT01187381, "An Observational Study of the Mean Duration of Trastuzumab (Herceptin) Treatment in Participants With Early or Metastatic Human Epidermal Growth Factor Receptor 2 (HER2)-Positive Breast Cancer". Retrieved via AI Analytics 2026-06-02 from https://api.ai-analytics.org/clinical/NCT01187381. Licensed CC0.

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