Sofpironium bromide (BBI 4000) 是一种抗胆碱能剂，用于研究原发性腋窝多汗症 (PAH)。Sofpironium bromide 通过抑制应用部位外分泌腺中的 M3 毒蕈碱受体来减少出汗。Sofpironium bromide 对 M1、M2、M4 和 M5 亚型也有很高的亲和力。 Sofpironium bromide (BBI 4000) is an anticholinergic agent used in the study of primary axillary hyperhidrosis (PAH). Sofpironium bromide reduces sweating by inhibiting M3 muscarinic receptors in eccrine glands at the application site. Sofpironium bromide also has a high afnity for the M1, M2, M4 and M5 subtypes.