The inclusion criteria for HCPs include being a medical specialist (dermatologists, paediatricians, and/or general practitioners) or an allied HCP (pharmacists and/or nurses, if applicable per country) who dispensed and/or educated WCBP on oral retinoid therapy PPP measures) at least once in the last 6 months in France, Germany, Spain or Poland.
The inclusion criteria for WCBP include being aged 18-49 and currently or recently (in the past 6 months) using any oral retinoid therapies in France, Germany, Spain, or Poland.
The inclusion criteria for parents, guardians, or caregivers, the primary inclusion criterion is being a parent, caregiver, or guardian of an adolescent WCBP aged 13-17 currently or recently (in the last 6 months) using oral retinoids (except alitretinoin) in France, Germany, Spain, or Poland.
Recruitment channels include clinician referral, patient advocacy groups, social media outreach, and IQVIA's in-house physician and patient panels.
The study population will include a sample, per country, of:
• 30 HCPs including 20 oral retinoid therapy prescribers (dermatologists, paediatricians, or general practitioners) and 10 dispensers and/or educators (pharmacists and/or nurses, if applicable in the targeted country about oral retinoid therapy PPP measures);
• 25 to 28 WCBP aged 18-49 per country, who currently or recently (in the past 6 months) used oral retinoid therapy, aiming with a distribution to represent:
o 15 WCBP aged 18-49 using isotretinoin (n=60 across all countries),
o 5 WCBP* aged 18-49 using acitretin (n=20 across all countries), and
o 5-8 WCBP* aged 18-49 using alitretinoin in France, Germany, and Spain (n=20 across all countries);
• 10 parents, guardians, or caregivers of adolescent WCBP aged 13-17 currently or recently (in the past 6 months) used oral retinoid therapies, excluding alitretinoin