Recruitment in Ultra-Rare Disease Studies
Recruitment in Ultra-Rare Disease Studies How to Tackle Recruitment Challenges in Ultra-Rare Disease Clinical Trials Understanding the Unique Recruitment Barriers in Ultra-Rare Diseases Ultra-rare diseases—typically defined as conditions affecting fewer than 1 in 50,000 individuals—present exceptional challenges in clinical research. In some cases, fewer than 100 known patients exist worldwide. These micro-populations are often spread…