The present invention relates to an agent for prevention, treatment or inhibition of symptom progression of a pain and/or for control of an analgesic comprising (2R)-2-propyloctanoic acid, a salt thereof or a prodrug thereof, in which an amount per dose is from 1 mg to 5000 mg (preferably from 10 mg to 5000 mg). By administering (2R)-2-propyloctanoic acid, a salt thereof or a prodrug thereof in an amount per dose within the range as described above, a pain, in particular, a neurogenic pain associated with a disease such as cancer pain, postherpetic pain, diabetic pain, HIV-associated neurogenic pain, calculus-induced pain, neuralgia, orofacial pain or hyperalgesia can be remarkably relieved. Moreover, undesirable effects on the living body relating to the use of an analgesic can be relieved.
本发明涉及一种用于预防、治疗或抑制疼痛症状进展和/或控制镇痛的制剂,该制剂由(2R)-2-丙
辛酸、其盐或其原药组成,其中每剂量的用量为1毫克至5000毫克(最好为10毫克至5000毫克)。通过施用(2R)-2-丙
辛酸、其盐或其原药,每次剂量在上述范围内,可显著缓解疼痛,特别是与癌症疼痛、带状疱疹后疼痛、糖尿病疼痛、艾滋病相关神经源性疼痛、结石引起的疼痛、神经痛、口面部疼痛或痛觉减退等疾病相关的神经源性疼痛。此外,还能缓解因使用镇痛剂而对人体造成的不良影响。