ArticleOrphanet journal of rare diseases2025
Treatment preferences among individuals with primary hyperoxaluria type 1 (PH1): a real-world study.
Article in Orphanet journal of rare diseases, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
backgroundPrimary hyperoxaluria type 1 (PH1) is a rare genetic disorder causing excessive oxalate production, damaging kidneys and other organs. Nedosiran, launched in the U.S. for individuals with PH1 (≥ 9 years of age; estimated glomerular filtration rate [eGFR] ≥ 30 mL/min/1.73 m
methodsA cross-sectional web-based survey was conducted among U.S.-based adults (aged ≥ 18) diagnosed with PH1. The survey consisted of a 20-25 min questionnaire and was conducted from October to December 2023.
resultsThe study participants (N = 39) included both male (N = 26) and female (N = 13) adults with PH1. Participants came from a range of community settings, including urban (46%), rural (39%), and suburban (15%); and were full- or part-time workers (56%) or students (41%). Most participants were on lumasiran therapy (95%) for an average of 1 year (range: 0.3-1.8 years). The survey revealed that the commonly reported factors important for treatment selection among participants living with PH1 were frequency of administration, treatment administrator, time required for treatment, and place of administration. The ability to self-administer was ranked as the top choice by most participants. Over half (56%) found quarterly injections easy or very easy. Similarly, 56-59% found home administration, whether self- or healthcare provider (HCP)-administered, easy or very easy. Nearly half (46%) considered injections at medical facilities challenging or very challenging. The majority indicated traveling > 15 min for injections would be burdensome (57%) and arranging appointments problematic (54%). When comparing administration methods, 72% preferred self-injection over HCP-administered injections. Regarding treatment regimens, 57% found it easy or very easy to receive monthly injections initially, before switching to quarterly. Additionally, 64% preferred a medication dosage that is not weight-based. While participants expressed a preference for less frequent treatments, 67% preferred self-injection at home over medical facility injections, and 67% preferred monthly injections at home over quarterly injections at a medical facility.
conclusionsThis study shows that patients with PH1 value treatments that are convenient and fit their lifestyle.
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