Trial reportJournal of autoimmunity2021
Coronavirus disease 2019, immune-mediated inflammatory diseases and immunosuppressive therapies - A Danish population-based cohort study.
Trial report in Journal of autoimmunity, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 37 papers, 4 of them syntheses that pooled it.
What it found
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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.
Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.
Who cites it
37 citing papers in PubMed, 4 syntheses or guidelines pooled it, 50 citations in OpenAlex.
- Rheumatoid arthritis and COVID-19 outcomes: a systematic review and Meta-analysis.BMC rheumatology · 2024Pooled it
- Prognostic factors for mortality, intensive care unit and hospital admission due to SARS-CoV-2: a systematic review and meta-analysis of cohort studies in Europe.European respiratory review : an official journal of the European Respiratory Society · 2022Pooled it
- Inflammatory bowel disease and COVID-19 outcomes: a meta-analysis.Scientific reports · 2022Pooled it
- Response to SARS-CoV-2 vaccination in immune mediated inflammatory diseases: Systematic review and meta-analysis.Autoimmunity reviews · 2022Pooled it
- COVID-19 susceptibility, severity, and vaccine effectiveness in patients with psoriasis: a nationwide cohort study in South Korea.Scientific reports · 2025Article
- COVID-19 infection and pulmonary sarcoidosis: a systematic review and meta-analysis of morbidity, severity and mortality.Journal of thoracic disease · 2025Article
- Predictive Factors for COVID-19 Severity in Patients with Axial Spondyloarthritis: Real-World Data from the Romanian Registry of Rheumatic Diseases.Medicina (Kaunas, Lithuania) · 2025Observational
- Machine learning to understand risks for severe COVID-19 outcomes: a retrospective cohort study of immune-mediated inflammatory diseases, immunomodulatory medications, and comorbidities in a large US health-care system.The Lancet. Digital health · 2024Article
- Evaluation of SARS-CoV-2 Vaccine-Induced Antibody Responses in Patients with Neuroimmunological Disorders: A Real-World Experience.Diagnostics (Basel, Switzerland) · 2024Article
- Impact of COVID-19 pandemic on adults and children with atopic dermatitis and food allergy: Systematic review.The journal of allergy and clinical immunology. Global · 2024Article
- No elevated risk of COVID-19 in atopic dermatitis patients: a meta-analysis and trial sequential analysis.Postepy dermatologii i alergologii · 2023Article
- Review
- Serum titer of neutralizing antibodies after COVID-19 vaccination in Japanese patients with inflammatory bowel disease.Journal of clinical biochemistry and nutrition · 2023Article
- The Impact of Inflammatory Bowel Diseases and Related Medications on COVID-19 Severity and Outcome: A Tertiary Referral Center Experience from Turkey.The Turkish journal of gastroenterology : the official journal of Turkish Society of Gastroenterology · 2022Article
- Inflammation Causes Exacerbation of COVID-19: How about Skin Inflammation?International journal of molecular sciences · 2022Review
- Mesalazine in Inflammatory Bowel Disease and COVID-19: Hospitalization and Adverse In-Hospital Outcomes Based on Nationwide Data.Inflammatory bowel diseases · 2022Article
- Systemic lupus erythematosus in the light of the COVID-19 pandemic: infection, vaccination, and impact on disease management.Clinical rheumatology · 2022Review
- COVID-19 vaccination in patients receiving allergen immunotherapy (AIT) or biologicals-EAACI recommendations.Allergy · 2022Article
- COVID-19: Clinical features and outcomes in unvaccinated 2-dose and 3-dose vaccinated against SARS-CoV-2 patients with systemic autoimmune and autoinflammatory rheumatic diseases.Journal of autoimmunity · 2022Observational
- Risk of severe COVID-19 outcomes associated with immune-mediated inflammatory diseases and immune-modifying therapies: a nationwide cohort study in the OpenSAFELY platform.The Lancet. Rheumatology · 2022Article
Corrections and comments
PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.
Authors and funding
10 authors at 5 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundLimited data exist regarding the disease course of coronavirus disease 2019 (COVID-19) and its relationship with immunosuppressants among patients with immune-mediated inflammatory diseases (IMIDs). Therefore, this study aims to investigate the association between COVID-19, frequent rheumatological, dermatological, gastrointestinal, and neurological IMIDs and immunosuppressants.
methodsWe conducted a Danish population-based cohort study including all residents living within Capital Region of Denmark and Region Zealand from January 28th, 2020 until September 15th, 2020 with the only eligibility criterion being a test for SARS-CoV-2 via reverse transcription-polymerase chain-reaction. Main outcomes included development of COVID-19, COVID-19-related hospitalization and mortality.
resultsCOVID-19 was less common among patients with IMIDs than the background population (n = 328/20,513 (1.60%) and n = 10,792/583,788(1.85%), p < 0.01, respectively). However, those with IMIDs had a significantly higher risk of COVID-19-related hospitalization (31.1% and 18.6%, p < 0.01, respectively) and mortality (9.8% and 4.3%, p < 0.01, respectively), which were associated with patients older than 65 years, and presence of comorbidities. Furthermore, systemic steroids were independently associated with a severe course of COVID-19 (Odds ratio (OR) = 3.56 (95%CI 1.83-7.10), p < 0.01), while biologic therapies were associated with a reduced risk hereof (OR = 0.47 (95%CI 0.22-0.95), p = 0.04). Patients suspending immunosuppressants due to COVID-19 had an increased risk of subsequent hospitalization (OR = 3.59 (95%CI 1.31-10.78), p = 0.02).
conclusionThis study found a lower occurrence, but a more severe disease course, of COVID-19 among patients with IMIDs, which was associated with the use of systemic steroids for IMIDs and suspension of other immunosuppressants. This study emphasizes the importance of weighing risks before suspending immunosuppressants during COVID-19.
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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.