A Brief Report on a Systematic Review of Real-World Effectiveness Studies of ICS/LAMA/LABA for Treatment of Adults with Asthma in the US
Why this work is in the frame
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Bibliographic record
Abstract
INTRODUCTION: -agonist (ICS/LABA) dual therapy is recommended for severe asthma, but its real-world effectiveness is not well established. METHODS: A systematic literature review was conducted in accordance with Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) to investigate clinical outcomes in US adults with asthma receiving ICS + LABA + LAMA as multiple-/single-inhaler triple therapy (MITT/SITT). Real-world/observational studies published in English in Embase/MEDLINE databases (2014-2024) and conference abstracts presented 2022-2024 were eligible for inclusion. RESULTS: From 588 identified records, only 8 articles reporting 6 unique studies were included; 2 assessed SITT and 4 assessed MITT, and 4 treatments were investigated. Exacerbation rates reported in two studies were significantly reduced with tiotropium (TIO) + ICS + LABA MITT versus high-dose ICS + LABA within 6 (64% lower) and 12 months (73%), and fluticasone furoate/umeclidinium/vilanterol (FF/UMEC/VI) 100/62.5/25 mcg SITT versus pre-treatment after 12 months (41%). Oral corticosteroid (OCS) use was reported in two studies. The proportion of patients with ≥ 1 rescue OCS dispensing decreased with TIO 1.25 mcg + ICS + LABA MITT, with greatest reductions for MITT ± leukotriene receptor antagonist (pre-treatment: 68.4%, post treatment: 54.2%). Mean number of OCS dispensings/patient/year significantly decreased (29%, p < 0.001) following FF/UMEC/VI 100/62.5/25 mcg SITT initiation. Treatment adherence/persistence was reported in three studies. Mean (standard deviation) proportion of days covered was significantly higher (p < 0.001) for FF/UMEC/VI SITT versus MITT after 6 (0.56 [0.31] versus 0.46 [0.31]) and 12 months (0.46 [0.33] versus 0.35 [0.30]). Persistence at 12 months was 25.9% and 12.0%, respectively. Lung function, clinical remission, quality of life, and safety outcomes were not reported in any study. CONCLUSIONS: This brief communication reports a systematic review that identified few sources of SITT or MITT in US patients with asthma. Although inclusion of observational studies can result in reporting/selection bias, we identified greater clinical benefits with triple therapies versus dual therapies.
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Full frame distilled prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. Learned from the 10,348 direct Codex labels and 10,348 direct Gemma labels. Candidate is the union of thresholded teacher heads; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels or direct frontier model labels.
Codex and Gemma teacher scores by category
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.001 | 0.000 |
| Meta-epidemiology (narrow) | 0.000 | 0.000 |
| Meta-epidemiology (broad) | 0.006 | 0.001 |
| Bibliometrics | 0.000 | 0.001 |
| Science and technology studies | 0.000 | 0.000 |
| Scholarly communication | 0.000 | 0.000 |
| Open science | 0.000 | 0.000 |
| Research integrity | 0.000 | 0.000 |
| Insufficient payload (model declined to judge) | 0.000 | 0.000 |
Machine scores (provisional)
The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.
Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from it