Low-dose theophylline in mild to moderate Chronic Obstructive Pulmonary Disease: A randomized clinical trial in China.
Zhou Y; Dai C; Wu F; Xu J; Deng Z; Lin L; Cao J; Huang H · 2026 · Pulmonology
WASTE classifies this as Negative / Null Result Report · AI classification, approximate
The study found no significant effect — useful as a negative control or null benchmark for your own design.
Abstract (excerpt)
Background Low-dose theophylline has anti-inflammatory effects, but its efficacy in mild to moderate COPD remains controversial. Research question Is low dose theophylline effective and safe in patients with mild to moderate COPD? Methods…
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Metadata source: Europe PMC · DOI 10.1080/25310429.2026.2652159