Trend of clinical trials with 'OBSERVATIONAL' study type over the years

Observational trials: A 2,800% rise since the 1940s!

__timestampNumber of Observational Studies
Thursday, January 1, 19481
Tuesday, January 1, 19572
Wednesday, January 1, 19581
Tuesday, January 1, 19631
Wednesday, January 1, 19641
Friday, January 1, 19652
Saturday, January 1, 19661
Sunday, January 1, 19671
Monday, January 1, 19681
Wednesday, January 1, 19692
Thursday, January 1, 19702
Friday, January 1, 19713
Saturday, January 1, 19725
Monday, January 1, 19732
Wednesday, January 1, 19753
Thursday, January 1, 197612
Saturday, January 1, 197714
Sunday, January 1, 197811
Monday, January 1, 197912
Tuesday, January 1, 198016
Thursday, January 1, 19818
Friday, January 1, 19826
Saturday, January 1, 198316
Sunday, January 1, 198426
Tuesday, January 1, 198528
Wednesday, January 1, 198630
Thursday, January 1, 198732
Friday, January 1, 198861
Sunday, January 1, 198950
Monday, January 1, 199071
Tuesday, January 1, 199191
Wednesday, January 1, 199297
Friday, January 1, 1993110
Saturday, January 1, 1994103
Sunday, January 1, 1995162
Monday, January 1, 1996147
Wednesday, January 1, 1997171
Thursday, January 1, 1998250
Friday, January 1, 1999334
Saturday, January 1, 2000427
Monday, January 1, 2001495
Tuesday, January 1, 2002623
Wednesday, January 1, 2003882
Thursday, January 1, 20041139
Saturday, January 1, 20051607
Sunday, January 1, 20062010
Monday, January 1, 20072528
Tuesday, January 1, 20083040
Thursday, January 1, 20093445
Friday, January 1, 20104015
Saturday, January 1, 20114120
Sunday, January 1, 20124379
Tuesday, January 1, 20134387
Wednesday, January 1, 20144972
Thursday, January 1, 20155359
Friday, January 1, 20165993
Sunday, January 1, 20176556
Monday, January 1, 20187128
Tuesday, January 1, 20197872
Wednesday, January 1, 20209586
Friday, January 1, 20219548
Saturday, January 1, 20228612
Sunday, January 1, 20238143
Monday, January 1, 20243283
Wednesday, January 1, 202561
Thursday, January 1, 20262
Saturday, January 1, 20281
Monday, January 1, 20291
Tuesday, January 1, 20973
Friday, January 1, 21005
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Data in motion

The Evolution of Observational Clinical Trials

Observational clinical trials have been a cornerstone of medical research, providing invaluable insights into the natural progression of diseases and the effects of interventions. From a modest beginning in the late 1940s, where only a handful of studies were conducted annually, the field has witnessed exponential growth. By the mid-1980s, the number of observational studies had surged by over 2,800%, reflecting the increasing recognition of their importance in evidence-based medicine.

A Steady Climb

The 1970s marked a pivotal decade, with a consistent rise in the number of studies, culminating in a 400% increase by 1980. This trend underscores the growing reliance on observational data to inform clinical decisions and public health policies. Despite some missing data points, the overall trajectory is clear: observational studies have become an integral part of the clinical research landscape, shaping the future of healthcare.

Published by
National Center for Biotechnology Information

Source link
clinicaltrials.gov

Date published
22 Oct 2024