Articles tagged with “phase-iii-trial”

Clinical Trial Phases: A Guide to Phase I, II, III & IV

An in-depth guide to the four phases of clinical trials. Learn the objectives of Phase I-IV, from establishing drug safety and efficacy to post-approval studies

40 min read

11/17/2025

clinical trials drug development phase i trial phase ii trial phase iii trial phase iv trial fda approval process clinical research

Clinical Trial Delays: Key Challenges from Phase I to III

Learn why over 85% of clinical trials face delays. This analysis covers the key scientific, operational, and regulatory challenges that slow drug progression.

45 min read

11/2/2025

clinical trial delays drug development patient recruitment phase i trial phase iii trial regulatory hurdles clinical trial attrition trial design drug pipeline