# An Observational Study on The Correlation Between Time of Initiation of Avastin (Bevacizumab) Treatment And Progression-Free Survival in Patients With Colorectal Cancer (CRONOS 1)

> **NCT01277120** · — · TERMINATED · sponsor: **Hoffmann-La Roche** · enrollment: 174 (actual)

## Conditions studied

- Colorectal Cancer

## Interventions

_None listed._

## Key facts

- **NCT ID:** NCT01277120
- **Lead sponsor:** Hoffmann-La Roche
- **Sponsor class:** INDUSTRY
- **Phase:** —
- **Study type:** OBSERVATIONAL
- **Status:** TERMINATED
- **Start date:** 2010-04
- **Primary completion:** 2016-04
- **Final completion:** 2016-04
- **Target enrollment:** 174 (ACTUAL)
- **Why stopped:** Contract terminated with Site Management Organization
- **Last updated:** 2016-09-15


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT01277120

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT01277120, "An Observational Study on The Correlation Between Time of Initiation of Avastin (Bevacizumab) Treatment And Progression-Free Survival in Patients With Colorectal Cancer (CRONOS 1)". Retrieved via AI Analytics 2026-07-06 from https://api.ai-analytics.org/clinical/NCT01277120. Licensed CC0.

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