To evaluate the effects on heart function of ivabradine administered to patients with severe chronic heart failure

Inclusion Criteria:

• systolic congestive heart failure
• sinus rhythm, HR >= 80bpm

Exclusion Criteria:

• unstable cardiovascular condition

Researchers can ask for a study protocol, patient-level and/or study-level clinical trial data including clinical study reports (CSRs).

They can ask all interventional clinical studies:

• submitted for new medicines and new indications approved after 1 January 2014 in the European Economic Area (EEA) or the United States (US).
• Where Servier or an affiliate are the Marketing Authorization Holders (MAH). The date of the first Marketing Authorization of the new medicine (or the new indication) in one of the EEA Member States will be considered within this scope.

After Marketing Authorisation in EEA or US if the study is used for the approval.

Researchers should register on Servier Data Portal and fill in the research proposal form. This form in four parts should be fully documented. The Research Proposal Form will not be reviewed until all mandatory fields are completed.