Dataset Information

The impact of filgotinib on patient-reported outcomes and health-related quality of life for patients with active rheumatoid arthritis: a post hoc analysis of Phase 3 studies.

ABSTRACT:

Background

The effects of filgotinib on patient-reported outcomes (PROs) from 3 trials in patients with active rheumatoid arthritis were investigated.

Methods

Methotrexate (MTX)-naïve patients received filgotinib 200 or 100 mg plus MTX (FIL200+MTX, FIL100+MTX), filgotinib 200 mg monotherapy (FIL200), or MTX monotherapy through 52 weeks (NCT02886728). Patients with inadequate response (IR) to MTX (MTX-IR) received FIL200+MTX, FIL100+MTX, adalimumab 40 mg +MTX (ADA+MTX), or placebo (PBO)+MTX (rerandomized to FIL200+MTX or FIL100+MTX at week 24) through 52 weeks (NCT02889796). Patients with IR to biologic disease-modifying antirheumatic drugs (bDMARD-IR) received FIL200 or FIL100 or PBO with background stable conventional synthetic (cs) DMARDs for up to 24 weeks (NCT02873936). PROs included Health Assessment Questionnaire-Disability Index (HAQ-DI), Medical Outcomes Study 36-Item Short Form Health Survey (SF-36) physical/mental component summary (PCS/MCS), Functional Assessment of Chronic Illness Therapy-Fatigue (FACIT-Fatigue), Work Productivity and Activity Impairment Questionnaire-Rheumatoid Arthritis (WPAI-RA), and Patient Global Assessment of Disease Activity (PtGA). Data are reported as least-squares mean changes from baseline with standard error to the timepoint representing each study's primary endpoint. All statistical comparisons are of filgotinib groups vs their respective control groups.

Results

At week 24, among MTX-naïve patients, change from baseline (standard deviation) in HAQ-DI was - 1.00 (0.03; P < 0.001) with FIL200+MTX, - 0.94 (0.04; P < 0.01) with FIL100+MTX, and - 0.91 (0.04; P < 0.05) with FIL200 alone compared with - 0.81 (0.03) with MTX alone. At week 12, among MTX-IR patients, change from baseline in HAQ-DI was - 0.69 (0.04; P < 0.001 vs PBO+MTX, P < 0.05 vs ADA) with FIL200+MTX, - 0.57 (0.04; P < 0.001 vs placebo) with FIL100+MTX, and - 0.60 (0.04) with ADA vs - 0.40 (0.04) with PBO+MTX. At week 12, among bDMARD-IR patients, change from baseline in HAQ-DI was - 0.50 (0.06; P < 0.001) with FIL200+csDMARD and - 0.46 (0.05; P < 0.001) with FIL100+csDMARD vs - 0.19 (0.06) with placebo+csDMARD. Changes in SF-36 PCS and MCS, FACIT-Fatigue, WPAI, and PtGA tended to favor filgotinib over PBO, MTX, and ADA. Greater proportions of patients experienced clinically meaningful differences with either dosage of FIL in combination with csDMARDs (including MTX) and with FIL200 monotherapy vs comparators.

Conclusions

Filgotinib provided improvements in PROs across patient populations. These findings suggest filgotinib can be an effective treatment option for patients with insufficient response to MTX or bDMARDs and patients who are MTX-naïve.

Trial registration

ClinicalTrials.gov , FINCH 1, NCT02889796 , first posted September 7, 2016; FINCH 2, NCT02873936 , first posted August 22, 2016, retrospectively registered; FINCH 3, NCT02886728 , first posted September 1, 2016, retrospectively registered.

SUBMITTER: Bingham CO

PROVIDER: S-EPMC8722138 | biostudies-literature |

REPOSITORIES: biostudies-literature

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