Overview
This study aims to evaluate treatment preferences of patients with Primary Immune Thrombocytopenia (ITP) in the United States (US) by conducting a preference elicitation survey.
Description
This is a non-interventional study to assess treatment preferences from patients with ITP. Data will be collected from participants using a preference elicitation survey.
The study consists of two stages. Stage 1 includes the development of the survey and identification of key treatment attributes. Stage 2 involves administration of the finalized survey, followed by comprehensive analysis of the data to assess treatment preferences.
Eligibility
Inclusion criteria:
- Currently living in the US.
- Aged 18 years and older on the day of providing informed consent.
- A diagnosis of primary ITP:
- For participants receiving first-line (1L) treatment for ITP: i. Diagnosed with primary ITP and started 1L corticosteroids within 3 months of diagnosis ii. Responded to 1L corticosteroid treatment \[with or without intravenous immunoglobulin (IVIg)\] b. For participants receiving second-line (2L) treatment for ITP: i. Assessed as needing or are taking thrombopoietin receptor agonist (TPO-RA) treatment for 2L treatment ii. Has previously been treated with a 1L corticosteroid (with or without IVIg) with insufficient response or relapse
Exclusion criteria:
- For participants receiving 1L treatment for ITP only: Previous or current use of treatments different from corticosteroids and/or IVIg/anti-D immunoglobulin.
- For participants receiving 2L ITP treatment: Previous or current use of treatments different from corticosteroids, IVIg/anti-D immunoglobulin or one TPO-RA (i.e. patients who have used any treatment in a third-line setting are ineligible).


