
Study designs: Part 4 – Interventional studies
Author(s) -
Rakesh Aggarwal,
Priya Ranganathan
Publication year - 2019
Publication title -
perspectives in clinical research
Language(s) - Uncategorized
Resource type - Journals
SCImago Journal Rank - 0.649
H-Index - 8
eISSN - 2229-5488
pISSN - 2229-3485
DOI - 10.4103/picr.picr_91_19
Subject(s) - observational study , medical physics , clinical study design , research design , clinical trial , medicine , key (lock) , computer science , pathology , statistics , computer security , mathematics
In the fourth piece of this series on research study designs, we look at interventional studies (clinical trials). These studies differ from observational studies in that the investigator decides whether or not a participant will receive the exposure (or intervention). In this article, we describe the key features and types of interventional studies.