Impact of Signs and Symptoms of Chronic Refractory Gout on Patient Health-Related Quality of Life

Author(s)

Oladapo A1, Pillinger M2, Kragh N3, Johnson N4, Yousefian C5, Brooks D5, Sharp H5, Strand V6
1Swedish Orphan Biovitrum Inc, Concord/USA, MA, USA, 2NYU Grossman School of Medicine, New York, NY, USA, 3Swedish Orphan Biovitrum AB, Stockholm, Sweden, 4Endpoint Outcomes (a Lumanity company), Long Beach, CA, USA, 5Endpoint Outcomes (a Lumanity company), Boston, MA, USA, 6Stanford University, Palo Alto, CA, USA

OBJECTIVES: Chronic refractory gout (CRG), also known as uncontrolled or refractory gout, is a debilitating inflammatory rheumatic condition. Patients experience severely painful and unexpected disease flares which, over the longer term, are associated with joint damage and chronic pain. The objective of this study was to gain an in-depth understanding of the impact that CRG has on patient health-related quality of life (HRQoL).

METHODS: A conceptual model of the impact of CRG on patient HRQoL was derived from a targeted literature review of CRG signs and symptoms covering the 10-years prior to August 2021. Twenty patients with CRG then participated in qualitative concept elicitation interviews; the results from these interviews were used to refine the conceptual model. Interviews included open-ended questions around frequency, duration, and severity for each identified concept, and bothersome impacts were scored on a scale of 0–10.

RESULTS: Most patients (60%) reported having >3 severe gout flares and many had 1–3 tophi (45%) within the past 6-months. The most frequently reported signs and symptoms included bodily pain, joint swelling, and tenderness (90%). Others included joint pain (80%), joint stiffness (70%) and tophi (70%). Joint pain was rated as the most bothersome symptom (mean = 9.1). The most frequently reported impacts were difficulty climbing one or several flights of stairs (100%), completing chores, running errands and shopping, climbing five steps, putting on shoes, walking outdoors on flat ground, and emotional impacts (all 95%). Impacts reported varied depending on the location of the affected joint. The most bothersome impact reported was walking outdoors (mean = 9.6).

CONCLUSIONS: Symptoms and associated impacts of refractory gout on HRQoL are multi-faceted, revealing a highly bothersome burden of disease that affects most aspects of a patient’s life.

Conference/Value in Health Info

2023-05, ISPOR 2023, Boston, MA, USA

Value in Health, Volume 26, Issue 6, S2 (June 2023)

Code

PCR87

Topic

Methodological & Statistical Research, Patient-Centered Research, Study Approaches

Topic Subcategory

Literature Review & Synthesis, Patient-reported Outcomes & Quality of Life Outcomes, PRO & Related Methods

Disease

Systemic Disorders/Conditions (Anesthesia, Auto-Immune Disorders (n.e.c.), Hematological Disorders (non-oncologic), Pain)

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