News

End of a Clinical Trial
15-02-2022

End of a Clinical Trial

The end of a clinical trial (CT), unless terminated early, matches with the last visit of the last participant or upon completion of any follow-up and data collection process, as described in the protocol.
Early Termination of a Clinical Trial
23-12-2021

Early Termination of a Clinical Trial

A clinical trial finishes when the last patient enrolled completes all their visits and follow-ups. However, a clinical trial may be terminated early for different reasons.
Observational Studies
01-02-2021

Observational Studies

From a methodological perspective, clinical research can have an experimental or an observational design, which translates into experimental or observational trials or studies, respectively.
Open Clinical Trials
10-12-2020

Open Clinical Trials

An open clinical trial (CT) may have two different meanings based on the possibility of modifying the characteristics described in the study protocol or on the level of masking of the treatment or intervention administered.
Randomized Clinical Trials
14-09-2020

Randomized Clinical Trials

Randomized clinical trials (RCTs) are studies in which participants are assigned to an experimental group or a control group, randomly (randomly)
Phases of a Clinical Trial
04-03-2020

Phases of a Clinical Trial

A clinical trial cannot be started until it has been approved by the competent agencies designated by law. In Spain, approvals are granted by the  Spanish Agency of Medicinal Products and Medical Devices (AEMPS) and an accredited Medical Research and Ethics Committee (MREC).