An audit of studies registered retrospectively with the Clinical Trials Registry of India: A one year analysis

The Clinical Trials Registry of India (CTRI) was launched in July 2007 and will enter its tenth year in 2017. While its mission is to encourage prospective trial registration, CTRI does permit retrospective trial registration. Against this backdrop, the present audit was carried out with the primary objective of assessing the nature and extent of trials retrospectively registered with CTRI