Completed OBSERVATIONAL NCT01280656

A Retrospective Study to Assess the Impact of the Use of Interferon in Patients With Chronic Hepatitis C (DECISION)

Retrospective Study to Evaluate the Impact of Using Interferon (Pegylated or Not) in the Treatment of Patients With Chronic Hepatitis C in Brazil (DECISION)

Sponsor: Hoffmann-La Roche

Conditions Hepatitis C, Chronic

Interventions Conventional Interferon Peginterferon Alfa-2a Peginterferon Alfa-2b Ribavirin

Updated 8 times since 2017 Last updated: Oct 6, 2016 Started: Jan 31, 2010 Primary completion: Nov 30, 2012 Completion: Jun 30, 2013

This information is for research purposes only and is not medical advice. Consult a healthcare provider before making any medical decision.

A observational or N/A phase clinical study on Hepatitis C, Chronic, this trial is completed. The trial is conducted by Hoffmann-La Roche and has accumulated 8 data snapshots since 2010. Infectious disease trials contribute critical data for public health response and treatment development.

Status Flow

Change History

8 versions recorded

Sep 2025 — Present [monthly]

Completed
Sep 2024 — Sep 2025 [monthly]

Completed
Jul 2024 — Sep 2024 [monthly]

Completed
Jan 2021 — Jul 2024 [monthly]

Completed
Jun 2018 — Jan 2021 [monthly]

Completed

▶ Show 3 earlier versions

Apr 2018 — Jun 2018 [monthly]

Completed

Phase: NA → None
Feb 2017 — Apr 2018 [monthly]

Completed NA
Jan 2017 — Feb 2017 [monthly]

Completed NA

First recorded

Jan 2010

Trial started

Per CT.gov start date — pre-dates our first snapshot

Eligibility Summary

No eligibility information available.

Contact Information

Sponsor contact:

Hoffmann-La Roche

Data source: Hoffmann-La Roche

For direct contact, visit the study record on ClinicalTrials.gov .

Study Locations

Aracaju, Brazil , Belém, Brazil , Botucatu, Brazil , Campinas, Brazil , Campo Grande - MS, Brazil , Curitiba, Brazil , Goiânia, Brazil , Manaus, Brazil , Niterói, Brazil , Nova Iguaçu, Brazil and 17 more locations