Inhaled budesonide in the treatment of early COVID-19 illness: a randomised controlled trial
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Abstract
Background
Multiple early hospital cohorts of coronavirus disease 2019 (COVID-19) showed that patients with chronic respiratory disease were significantly under-represented. We hypothesised that the widespread use of inhaled glucocorticoids was responsible for this finding and tested if inhaled glucorticoids would be an effective treatment for early COVID-19 illness.
Methods
We conducted a randomised, open label trial of inhaled budesonide, compared to usual care, in adults within 7 days of the onset of mild Covid-19 symptoms. The primary end point was COVID-19-related urgent care visit, emergency department assessment or hospitalisation. The trial was stopped early after independent statistical review concluded that study outcome would not change with further participant enrolment.
Results
146 patients underwent randomisation. For the per protocol population (n=139), the primary outcome occurred in 10 participants and 1 participant in the usual care and budesonide arms respectively (difference in proportion 0.131, p=0.004). The number needed to treat with inhaled budesonide to reduce COVID-19 deterioration was 8. Clinical recovery was 1 day shorter in the budesonide arm compared to the usual care arm (median of 7 days versus 8 days respectively, logrank test p=0.007). Proportion of days with a fever and proportion of participants with at least 1 day of fever was lower in the budesonide arm. Fewer participants randomised to budesonide had persistent symptoms at day 14 and day 28 compared to participants receiving usual care.
Conclusion
Early administration of inhaled budesonide reduced the likelihood of needing urgent medical care and reduced time to recovery following early COVID-19 infection.
(Funded by Oxford NIHR Biomedical Research Centre and AstraZeneca; ClinicalTrials.gov number, NCT04416399 )
Research in context
Evidence before this study
The majority of interventions studied for the COVID-19 pandemic are focused on hospitalised patients. Widely available and broadly relevant interventions for mild COVID-19 are urgently needed.
Added value of this study
In this open label randomised controlled trial, inhaled budesonide, when given to adults with early COVID-19 illness, reduces the likelihood of requiring urgent care, emergency department consultation or hospitalisation. There was also a quicker resolution of fever, a known poor prognostic marker in COVID-19 and a faster self-reported and questionnaire reported symptom resolution. There were fewer participants with persistent COVID-19 symptoms at 14 and 28 days after budesonide therapy compared to usual care.
Implications of all the available evidence
The STOIC trial potentially provides the first easily accessible effective intervention in early COVID-19. By assessing health care resource utilisation, the study provides an exciting option to help with the worldwide pressure on health care systems due to the COVID-19 pandemic. Data from this study also suggests a potentially effective treatment to prevent the long term morbidity from persistent COVID-19 symptoms.
Article activity feed
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Ariel Berlinski
Review 2: "Inhaled budesonide in the treatment of early COVID-19 illness: a randomised controlled trial"
This study suggests that budesonide, a corticosteroid used for COPD and asthma treatment, reduces the likelihood of urgent care, ED visit, or hospitalization in patients with early COVID-19; both reviewers found the study findings to be reasonable and potentially reliable.
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Ying-Rong Du, Hai-yan Fu
Review 1: "Inhaled budesonide in the treatment of early COVID-19 illness: a randomised controlled trial"
This study suggests that budesonide, a corticosteroid used for COPD and asthma treatment, reduces the likelihood of urgent care, ED visit, or hospitalization in patients with early COVID-19; both reviewers found the study findings to be reasonable and potentially reliable.
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Strength of evidence
Reviewers: Ying-Rong Du, Hai-yan Fu (Dali University) | 📗📗📗📗◻️
Ariel Berlinski (University of Arkansas for Medical Sciences) | 📒📒📒◻️◻️ -
By Yash S. Huilgol[1] UC Berkeley-UCSF Joint Medical Program, Berkeley, CA, USA[2] Editorial Office, Rapid Reviews: COVID-19
Main Claim & Relevance:
In this preprint by Ramakrishnan et al [1], inhaled budesonide, a corticosteroid used for long-term COPD and asthma treatment, reducing the likelihood of urgent care, ED visit, or hospitalization among patients with early COVID-19 illness. This amounted to a relative risk reduction of 90%, or a difference in proportions of 13.1% between the budesonide and standard of care arms.
Are the findings strong, reliable, potentially informative, not informative, or misleading? Why?
The findings are reliable, though the findings need to be confirmed through further studies and assessment. The use of the randomized, open-label phase 2 trial among 149 adults in a per-protocol analysis is well …
By Yash S. Huilgol[1] UC Berkeley-UCSF Joint Medical Program, Berkeley, CA, USA[2] Editorial Office, Rapid Reviews: COVID-19
Main Claim & Relevance:
In this preprint by Ramakrishnan et al [1], inhaled budesonide, a corticosteroid used for long-term COPD and asthma treatment, reducing the likelihood of urgent care, ED visit, or hospitalization among patients with early COVID-19 illness. This amounted to a relative risk reduction of 90%, or a difference in proportions of 13.1% between the budesonide and standard of care arms.
Are the findings strong, reliable, potentially informative, not informative, or misleading? Why?
The findings are reliable, though the findings need to be confirmed through further studies and assessment. The use of the randomized, open-label phase 2 trial among 149 adults in a per-protocol analysis is well powered, adding to the strength of these claims. The two randomized groups were well-matched, but O2 saturation in the treatment group appeared to have a larger confidence interval than that for the usual care group. However, the study could be improved by the recruitment of a more diverse patient population, of which 93% of participants were white in both arms, and of unknown sociodemographic characteristics.
How might these ideas presented by the main claims further knowledge of the COVID-19 pandemic?
Much of the literature has focused on later stages of COVID-19 disease progression, but there are limited studies of therapeutics for treating mild COVID-19 [2,3].
However, this study claimed that there is a reduction in urgent care, ED, or hospital visits and a reduction in recovery time from COVID-19. Budesonide is also a well-tolerated, ubiquitous, and cheap therapeutic that could alleviate symptoms and reduce escalation of care among COVID-19 patients if taken over a median of 7 days. There remains a concern clinically that administering steroids early in treatment may prevent the immune system from adequately reacting in the early stages of the COVID-19 disease course. Additional studies are needed to verify these findings.
References
[1] Ramakrishnan S, Nicolau DV, Langford B, et al. Inhaled budesonide in the treatment of early COVID-19 illness: a randomised controlled trial. medRxiv. Published online January 1, 2021:2021.02.04.21251134. doi:10.1101/2021.02.04.21251134
[2] The WHO Rapid Evidence Appraisal for COVID-19 Therapies (REACT) Working Group. Association Between Administration of Systemic Corticosteroids and Mortality Among Critically Ill Patients With COVID-19: A Meta-analysis. JAMA. 2020;324(13):1330–1341. doi:10.1001/jama.2020.17023
[3] The RECOVERY Collaborative Group. Dexamethasone in Hospitalized Patients with Covid-19 — Preliminary Report. N Engl J Med. Published online July 17, 2020. doi:10.1056/NEJMoa2021436
https://rapidreviewscovid19.mitpress.mit.edu/
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SciScore for 10.1101/2021.02.04.21251134: (What is this?)
Please note, not all rigor criteria are appropriate for all manuscripts.
Table 1: Rigor
Institutional Review Board Statement Consent: Participants were seen at their homes at randomisation (day 0), day 7 and day 14 by a trained respiratory research nurse to obtain written informed consent, provide inhalers and to obtain nasopharyngeal swabs for SARS-CoV-2 reverse transcription polymerase chain reaction (RT-PCR) testing (see supplementary methods for further details).
IRB: Institutional Review: The trial was sponsored by the University of Oxford, and was approved by the Fulham London Research Ethics Committee (20/HRA/2531) and the National Health Research Authority.Randomization Participants are randomly allocated to UC or BUD, stratified for participant age,(≤40 years/ >40 years) … SciScore for 10.1101/2021.02.04.21251134: (What is this?)
Please note, not all rigor criteria are appropriate for all manuscripts.
Table 1: Rigor
Institutional Review Board Statement Consent: Participants were seen at their homes at randomisation (day 0), day 7 and day 14 by a trained respiratory research nurse to obtain written informed consent, provide inhalers and to obtain nasopharyngeal swabs for SARS-CoV-2 reverse transcription polymerase chain reaction (RT-PCR) testing (see supplementary methods for further details).
IRB: Institutional Review: The trial was sponsored by the University of Oxford, and was approved by the Fulham London Research Ethics Committee (20/HRA/2531) and the National Health Research Authority.Randomization Participants are randomly allocated to UC or BUD, stratified for participant age,(≤40 years/ >40 years) gender, and number of co-morbidities (≤1/ ≥2). Blinding not detected. Power Analysis Using 80% power at 0.05 level, we required 199 patients in each arm to demonstrate a 50% reduction of urgent care visits or hospitalisations. Sex as a biological variable not detected. Table 2: Resources
No key resources detected.
Results from OddPub: Thank you for sharing your data.
Results from LimitationRecognizer: We detected the following sentences addressing limitations in the study:There are limitations to our study. This is an open-labelled study, which was stopped early due to the impact of the national pandemic control measures and national prioritisation rules for clinical research trials in the UK. Our power calculations were made from the best available predictions in early 2020. Therapeutic randomised clinical trial design and sample size calculations are often dictated by statistical assumptions with treatment effect estimations based on the evidence of best available care. However, in trial design for a new disease, with no known effective treatment, statistical assumptions are thus arbitrary. In our study the event rate in the control arm was half of what was predicted, and this is consistent with subsequent primary care clinical trials performed in COVID-1929-31. We found that the budesonide treatment effect size, was larger than predicted; and independent statistical assessment concluded that the current sample size and treatment effect had a 99% power to reject the null hypothesis. Furthermore, the positive concordance of temperature and symptoms as secondary outcomes gives us confidence in our results. Our study design involved randomisation at home, with home visits for study assessments and a daily contact until symptom resolution by the study team. To our knowledge, the STOIC trial is first to assess daily physiological measures in early COVID-19. The robust study design meant very good participant retention and completion of symptom di...
Results from TrialIdentifier: We found the following clinical trial numbers in your paper:
Identifier Status Title NCT04416399 Terminated STerOids in COVID-19 Study Results from Barzooka: We did not find any issues relating to the usage of bar graphs.
Results from JetFighter: We did not find any issues relating to colormaps.
Results from rtransparent:- Thank you for including a conflict of interest statement. Authors are encouraged to include this statement when submitting to a journal.
- Thank you for including a funding statement. Authors are encouraged to include this statement when submitting to a journal.
- No protocol registration statement was detected.
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