ResearchPUBMEDMar 26
Diagnostic odyssey of patients with the rare immunodeficiency activated PI3 kinase delta syndrome (APDS): case study from expert and patient surveys.
This study looked at how long it takes to diagnose APDS, a very rare immune system disorder that affects only 1-2 people per million. Researchers interviewed patients and doctors in Austria, Germany, and Switzerland and found that people typically wait several years before getting a correct diagnosis because the disease is so uncommon and looks different in different people.
WHY IT MATTERSPatients with APDS face years of diagnostic delay due to the disease's rarity and variable symptoms — understanding these barriers could help doctors recognize APDS faster and reduce the time families spend seeking answers.