Dataset Information

Comparison of Tightly Controlled Dose Reduction of Biologics With Usual Care for Patients With Psoriasis: A Randomized Clinical Trial.

ABSTRACT:

Importance

Biologics revolutionized the treatment of psoriasis. Biologics are given in a fixed dose, but lower doses might be possible.

Objective

To investigate whether dose reduction (DR) of biologics in patients with stable psoriasis is noninferior to usual care (UC).

Design, setting, and participants

This pragmatic, open-label, prospective, controlled, noninferiority randomized clinical trial was conducted from March 1, 2016, to July 22, 2018, at 6 dermatology departments in the Netherlands. A total of 120 patients with plaque psoriasis and stable low disease activity who were receiving treatment with adalimumab, etanercept, or ustekinumab were studied.

Interventions

Patients were randomized 1:1 to DR (n?=?60) or UC (n?=?60). In the DR group, injection intervals were prolonged stepwise, leading to 67% and 50% of the original dose.

Main outcomes and measures

The primary outcome was between-group difference in disease activity corrected for baseline at 12 months compared with the predefined noninferiority margin of 0.5. Secondary outcomes were Psoriasis Area and Severity Index (PASI) score and health-related quality of life (including Dermatology Life Quality Index [DLQI] and Medical Outcomes Study 36-Item Short Form Health Survey scores), proportion of patients with short and persistent flares (defined as PASI and/or DLQI scores >5 for ?3 months), and proportion of patients with successful dose tapering.

Results

Of 120 patients (mean [SD] age, 54.0 [13.2] years; 82 [68%] male), 2 patients were lost to follow-up, 2 patients had a protocol violation, and 5 patients had a protocol deviation, leaving 111 patients for the per-protocol analysis (53 in the DR group and 58 in the UC group). The median PASI scores at month 12 were 3.4 (interquartile range [IQR], 2.2-4.5) in the DR group and 2.1 (IQR, 0.6-3.6) in the UC group (mean difference, 1.2; 95% CI, 0.7-1.8). This indicates that noninferiority was not demonstrated for DR compared to UC. The median DLQI score at month 12 was 1.0 (IQR, 0.0-2.0) in the DR group and 0.0 (IQR, 0.0-2.0) in the UC group (mean difference, 0.8; 95% CI, 0.3-1.3), indicating noninferiority for DR compared with UC. No significant difference was found regarding persistent flares between groups (n?=?5 in both groups). Twenty-eight patients (53%; 95% CI, 39%-67%) in the DR group tapered their dose successfully at 12 months. No severe adverse events related to the intervention occurred.

Conclusions and relevance

In this trial, noninferiority was not demonstrated for DR of adalimumab, etanercept, and ustekinumab based on the PASI in patients with psoriasis compared with UC with the chosen noninferiority margin. However, the strategy was noninferior based on the DLQI. Dose tapering did not lead to persistent flares or safety issues.

Trial registration

ClinicalTrials.gov Identifier: NCT02602925.

SUBMITTER: Atalay S

PROVIDER: S-EPMC7042801 | biostudies-literature | 2020 Apr

REPOSITORIES: biostudies-literature

ACCESS DATA

Publications

Comparison of Tightly Controlled Dose Reduction of Biologics With Usual Care for Patients With Psoriasis: A Randomized Clinical Trial.

Atalay Selma S van den Reek Juul M P A JMPA den Broeder Alfons A AA van Vugt Lieke J LJ Otero Marisol E ME Njoo Marcellus D MD Mommers Johannes M JM Ossenkoppele Paul M PM Koetsier Marjolein I MI Berends Maartje A MA van de Kerkhof Peter C M PCM Groenewoud Hans M M HMM Kievit Wietske W de Jong Elke M G J EMGJ

JAMA dermatology 20200401 4

<h4>Importance</h4>Biologics revolutionized the treatment of psoriasis. Biologics are given in a fixed dose, but lower doses might be possible.<h4>Objective</h4>To investigate whether dose reduction (DR) of biologics in patients with stable psoriasis is noninferior to usual care (UC).<h4>Design, setting, and participants</h4>This pragmatic, open-label, prospective, controlled, noninferiority randomized clinical trial was conducted from March 1, 2016, to July 22, 2018, at 6 dermatology department ...[more]

PMID: 32049319

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Dataset Information

Comparison of Tightly Controlled Dose Reduction of Biologics With Usual Care for Patients With Psoriasis: A Randomized Clinical Trial.

Importance

Objective

Design, setting, and participants

Interventions

Main outcomes and measures

Results

Conclusions and relevance

Trial registration

Publications

Comparison of Tightly Controlled Dose Reduction of Biologics With Usual Care for Patients With Psoriasis: A Randomized Clinical Trial.

Similar Datasets

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