ArticleRMD open2018
Therapeutic benefit of apremilast on enthesitis and dactylitis in patients with psoriatic arthritis: a pooled analysis of the PALACE 1-3 studies.
Article in RMD open, 2018. The graph could read no effect estimate from its abstract, so it casts no vote on the map. It is linked to 4 registered trials, which are not on this map. Cited by 18 papers, 2 of them syntheses that pooled it.
What it found
Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.
The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
A Phase 3, Multicenter, Randomized, Double-blind, Placebo-controlled, Parallel-group, Efficacy and Safety Study of Two Doses of Apremilast (CC-10004) in Subjects With Active Psoriatic Arthritis
A Phase 3, Multicenter, Randomized, Double-blind, Placebo-controlled, Parallel-group, Efficacy and Safety Study of Two Doses of Apremilast (CC-10004) in Subjects With Active Psoriatic Arthritis
A Phase 3, Multicenter, Randomized, Double-blind, Placebo-controlled, Parallel-group, Efficacy and Safety Study of Two Doses of Apremilast (CC-10004) in Subjects With Active Psoriatic Arthritis and a Qualifying Psoriasis Lesion
A phase 3, multicenter, randomized, double-blind, placebo-controlled, parallel-group study to evaluate the efficacy and safety of apremilast (cc-10004) in the treatment of active ankylosing spondylitis
Who cites it
18 citing papers in PubMed, 2 syntheses or guidelines pooled it, 37 citations in OpenAlex.
- A clinical practice guideline for the screening and assessment of enthesitis in patients with spondyloarthritis.Frontiers in immunology · 2022Guideline
- Pooled it
- Comparison between methotrexate and apremilast in Psoriatic Arthritis-a single blind randomized controlled trial (APREMEPsA study).Rheumatology international · 2023Trial
- Treatment of Juvenile Spondyloarthritis: Where We Stand.Paediatric drugs · 2020Trial
- Understanding Enthesitis in Psoriatic Disease: Insights and Implications.American journal of clinical dermatology · 2026Review
- Management of tuberculosis risk, screening and preventive therapy in patients with chronic autoimmune arthritis undergoing biotechnological and targeted immunosuppressive agents.Frontiers in immunology · 2025Review
- The Saudi consensus recommendations for the management of psoriatic arthritis (2023).Clinical rheumatology · 2024Review
- Therapeutic Effects of Apremilast on Enthesitis and Dactylitis in Real Clinical Setting: An Italian Multicenter Study.Journal of clinical medicine · 2023Article
- Consensus on targeted drug therapy for spondyloarthritis.Rheumatology and immunology research · 2023Article
- Apremilast for biologic-naïve, peripheral psoriatic arthritis, including patients with early disease: results from the APROACH observational prospective study.Rheumatology international · 2023Observational
- Consensus statements for pharmacological management, monitoring of therapies, and comorbidity management of psoriatic arthritis in the United Arab Emirates.International journal of rheumatic diseases · 2022Review
- Inhibition of Phosphodiesterase-4 in Psoriatic Arthritis and Inflammatory Bowel Diseases.International journal of molecular sciences · 2021Review
- Effectiveness and clinical predictors of drug survival in psoriasis patients receiving apremilast: A registry analysis.JAAD international · 2021Article
- Natural Killer Cells: Potential Biomarkers and Therapeutic Target in Autoimmune Diseases?Frontiers in immunology · 2021Review
- An Update for the Clinician on Biologics for the Treatment of Psoriatic Arthritis.Biologics : targets & therapy · 2020Review
- Musculoskeletal ultrasound in monitoring response to apremilast in psoriatic arthritis patients: results from a longitudinal study.Clinical rheumatology · 2019Article
- Bedside to bench: defining the immunopathogenesis of psoriatic arthritis.Nature reviews. Rheumatology · 2019Review
- Apremilast in Psoriasis and Beyond: Big Hopes on a Small Molecule.Indian dermatology online journalReview
Corrections and comments
PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.
Authors and funding
13 authors at 11 institutions in 8 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
objectiveThe Psoriatic Arthritis Long-term Assessment of Clinical Efficacy (PALACE) clinical trial programme findings demonstrated that apremilast, an oral phosphodiesterase 4 inhibitor, is effective for treating psoriatic arthritis (PsA). Enthesitis and dactylitis are difficult-to-treat features of PsA leading to disability and affecting quality of life. PALACE 1, 2 and 3 data were pooled to assess the efficacy of apremilast on enthesitis and dactylitis outcomes in patients with these conditions at baseline.
methodsPatients with enthesitis (n=945) or dactylitis (n=633) at baseline were analysed after receiving double-blind treatment with placebo, apremilast 30 mg two times per day or apremilast 20 mg two times per day up to 52 weeks and continuing up to 5 years. Data were analysed through 156 weeks. Enthesitis was evaluated by Maastricht Ankylosing Spondylitis Enthesitis Score (MASES) and dactylitis via dactylitis count.
resultsAt week 24, patients receiving apremilast 30 mg two times per day demonstrated a significantly greater mean change in enthesitis (-1.3 vs -0.9; p<0.05) and dactylitis (-1.8 vs -1.3; p<0.01) vs placebo. Patients in the 30 mg dose group showed significantly greater mean (-23.6% vs -7.0%; p<0.05) and median (-50.0% vs -21.1%; p<0.05) per cent changes in MASES; mean and median per cent changes in dactylitis count were numerically, but not significantly, different for either apremilast dose in patients with dactylitis. In the patient population remaining on apremilast, observed mean and median improvements in both conditions were sustained through 156 weeks.
conclusionApremilast is effective for the treatment of active PsA, including improvements in enthesitis and dactylitis up to 3 years. TRIAL REGISTRATION NUMBERS: NCT01172938, NCT01212757 and NCT01212770.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.