歌礼制药-B:治疗肥胖症的减重不减肌候选药物ASC47在临床前模型中显示与替尔泊肽联用的疗效胜过与司美格鲁肽联用

智通财经
Aug 13

智通财经APP讯,歌礼制药-B(01672)发布公告,同类首创的治疗肥胖症的减重不减肌候选药物ASC47与替尔泊肽联用在饮食诱导肥胖(DIO)小鼠研究中显示出令人鼓舞的疗效结果。

ASC47是一款由歌礼自主研发的、脂肪靶向、每月一次皮下注射的甲状腺激素受体β(THRβ)选择性小分子激动剂。ASC47具有独特的差异化特性,能够靶向脂肪,从而在脂肪组织中产生剂量依赖性的高药物浓度。

该DIO小鼠研究旨在对比低剂量ASC47(9mg/kg,单次给药)联合替尔泊肽(3nmol/kg,皮下,每日一次)与替尔泊肽单药疗法(3nmol/kg,皮下,每日一次)的疗效。DIO小鼠的治疗期为14天。结果显示,低剂量ASC47联合替尔泊肽的疗效优于替尔泊肽单药疗法,联合用药的小鼠平均总体重下降38.1%,替尔泊肽单药治疗的小鼠则为20.4%,ASC47联合替尔泊肽比替尔泊肽单药疗法多减重87%(表1)。相比之下,在DIO小鼠研究中,联合司美格鲁肽与司美格鲁肽单药疗法相比多减重55%,即低剂量ASC47联合司美格鲁肽的疗效弱于联合替尔泊肽的疗效,具有统计学显著性(p=0.006)。

低剂量ASC47与替尔泊肽联用使肥胖小鼠身体成分恢复至健康非肥胖小鼠的水平。治疗结束时,经低剂量ASC47与替尔泊肽联用治疗的肥胖小鼠的总肌肉量占总体重的百分比(60.4%)与健康非肥胖小鼠(62.0%)相当,意味着实现健康减重。替尔泊肽单药疗法无法使身体成分恢复至健康水平。

“这些临床前数据充分展现了ASC47成为治疗肥胖症重要疗法的潜力。”歌礼创始人、董事会主席兼首席执行官吴劲梓博士表示,“ASC47与司美格鲁肽在肥胖受试者中联用研究的顶线数据即将读出,我们期待未来开展ASC47与包括替尔泊肽在内的其它肠促胰素类药物联用的临床试验。”

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