Annals of internal medicine
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Comment Randomized Controlled Trial
In former smokers with COPD, HEPA and carbon filter air cleaners improved moderate exacerbations but not QoL.
Hansel NN, Putcha N, Woo H, et al. Randomized clinical trial of air cleaners to improve indoor air quality and chronic obstructive pulmonary disease health: results of the CLEAN AIR study. Am J Respir Crit Care Med. 2022;205:421-30. 34449285.
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The U.S. Food and Drug Administration provides accelerated approval to drugs on the basis of surrogate end points deemed to be "reasonably likely" to predict clinical benefit. To receive full approval, drugs must complete a confirmatory trial. Although most accelerated approved drugs ultimately receive full approval, others remain on the market without full approval for many years, and some are withdrawn before full approval is granted. Until confirmatory trials are completed and full approval is granted, there is uncertainty surrounding each drug's clinical benefits. ⋯ Laura and John Arnold Foundation.
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Editorial Comment
Friend or Foe? The Role of Robots in Systematic Reviews.
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Bahnson TD, Giczewska A, Mark DB, et al. Association between age and outcomes of catheter ablation versus medical therapy for atrial fibrillation: results from the CABANA trial. Circulation. 2022;145:796-804. 34933570.