|Chemical and physical data|
|Molar mass||254.331 g/mol g·mol−1|
|3D model (JSmol)|
GAL-021 is a drug related to almitrine which acts as a respiratory stimulant, with its mechanism of action primarily thought to involve blocking the BKCa potassium channel, although secondary mechanisms may also be involved. It was developed by Galleon Pharmaceuticals, and is being tested in clinical trials for potential uses in post-operative care, as well as more generally to counteract the respiratory depression which can be a side effect of opioid analgesic drugs.
- McLeod, JF; Leempoels, JM; Peng, SX; Dax, SL; Myers, LJ; Golder, FJ (November 2014). "GAL-021, a new intravenous BKCa-channel blocker, is well tolerated and stimulates ventilation in healthy volunteers" (PDF). British Journal of Anaesthesia. 113 (5): 875–83. doi:10.1093/bja/aeu182. PMID 24989775.
- Baby, SM; Hoshi, T; Peng, S; Dax, SL; Golder, FJ; MacIntyre, DE; Mannion, JC (2012). "Comparison of the respiratory effects of GAL-021 in BK α subunit knockout (Slo1−/−) and wild-type mice". The FASEB Journal. 26 (1 Supplement): 704.30. doi:10.1096/fasebj.26.1_supplement.704.30 (inactive 2019-08-21).
- Golder, FJ; Hewitt, MM; McLeod, JF (1 November 2013). "Respiratory stimulant drugs in the post-operative setting". Respiratory Physiology & Neurobiology. 189 (2): 395–402. doi:10.1016/j.resp.2013.06.010. PMID 23791825.
- Baby, SM; Gruber, RB; Puskovic, V; Peng, S; Dax, SL; Golder, FJ; MacIntyre, DE; Mannion, JC (2012). "GAL-021, a novel respiratory stimulant, attenuates opioid–induced respiratory depression without compromising analgesia". The FASEB Journal. 26 (1 Supplement): 704.28. doi:10.1096/fasebj.26.1_supplement.704.28 (inactive 2019-08-21).
- van der Schier, R; Roozekrans, M; van Velzen, M; Dahan, A; Niesters, M (4 September 2014). "Opioid-induced respiratory depression: reversal by non-opioid drugs". F1000Prime Reports. 6: 79. doi:10.12703/P6-79. PMC 4173639. PMID 25343036.
- Roozekrans, M; van der Schrier, R; Okkerse, P; Hay, J; McLeod, JF; Dahan, A (September 2014). "Two studies on reversal of opioid-induced respiratory depression by BK-channel blocker GAL021 in human volunteers". Anesthesiology. 121 (3): 459–68. doi:10.1097/ALN.0000000000000367. PMID 25222672.
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