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2020 ; 46
(5
): 157-161
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Dapsone as treatment adjunct in ARDS
#MMPMID32286085
Kast RE
Exp Lung Res
2020[May]; 46
(5
): 157-161
PMID32286085
show ga
Multiple pharmacological interventions tested over the last decades have failed
to reduce ARDS mortality. This short note recounts past data indicating that (i)
neutrophils home along an IL-8 gradient, (ii) in ARDS, massive neutrophil
accumulation and degranulation in and along bronchoalveolar spaces contributes to
damage and hypoxia, (iii) large increases in IL-8 are one of the chemotaxic
signals drawing neutrophils to the ARDS lung, and (iv) old data from dermatology
and glioblastoma research showed that the old drug against Hansen's disease,
dapsone, inhibits neutrophils' chemotaxis to IL-8. Therefore dapsone might lower
neutrophils' contributions to ARDS lung pathology. Dapsone can create
methemoglobinemia that although rarely problematic it would be particularly
undesirable in ARDS. The common antacid drug cimetidine lowers risk of dapsone
related methemoglobinemia and should be given concomitantly.
|Anti-Infective Agents/pharmacology/*therapeutic use
[MESH]
|Cimetidine/therapeutic use
[MESH]
|Dapsone/pharmacology/*therapeutic use
[MESH]
|Histamine H2 Antagonists/therapeutic use
[MESH]
|Humans
[MESH]
|Methemoglobinemia/chemically induced/prevention & control
[MESH]