Productivity of authors in the field of diabetes: bibliographic analysis of trial publications.

Objective: To determine whether trial publications of glucose lowering drugs are dominated by a small group of highly prolific authors ("supertrialists") and to identify some of their characteristics.

Design: Bibliographic analysis of trial publications.

Data Sources And Review Methods: We searched PubMed for all randomised controlled trials (RCTs) relating to glucose lowering drugs published between 1 January 1993 and 31 December 2013.