Cyclic depsipeptide compound and use thereof

C - Chemistry – Metallurgy – 07 – K

Patent

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Details

C07K 11/02 (2006.01) A61K 38/00 (2006.01) A61P 11/00 (2006.01) A61P 11/06 (2006.01)

Patent

CA 2751766

Disclosed is a compound useful for the prevention and/or treatment of chronic obstructive pulmonary disease (COPD) or asthma. Also disclosed is a pharmaceutical composition containing the compound as an active ingredient. The pharmacological activities of natural fermented materials are examined extensively, and it is found that a cyclic depsipeptide compound derived from a soil bacterium belonging to the genus Chromobacterium which is collected in Okutama-machi, Tokyo, has both an inhibitory activity on airway contraction and an activity to prevent inflammation in the airway and is therefore effective as a prophylactic or therapeutic agent for COPD or asthma. Specifically disclosed is a pharmaceutical composition for preventing and/or treating COPD or asthma, which contains a cyclic depsipeptide compound or a salt thereof as an active ingredient and is intended to be applied by intratracheal administration, nasal drop administration or inhalation administration.

L'invention porte sur un composé utile pour la prévention et/ou le traitement d'une broncho-pneumopathie chronique obstructive (BPCO) ou de l'asthme. L'invention porte également sur une composition pharmaceutique contenant le composé comme principe actif. Les activités pharmacologiques de matières naturelles fermentées ont été étudiées en profondeur et il a été trouvé qu'un composé de depsipeptide cyclique issu d'une bactérie du sol appartenant au genre Chromobacterium qui est collectée à Okutama-machi, Tokyo, a à la fois une activité inhibitrice sur la contraction des voies respiratoires et une activité pour prévenir une inflammation dans les voies respiratoires et est par conséquent efficace comme agent prophylactique ou thérapeutique pour une BPCO ou l'asthme. De façon spécifique, l'invention porte sur une composition pharmaceutique pour la prévention et/ou le traitement d'une BPCO ou de l'asthme, qui contient un composé de depsipeptide cyclique ou un sel de celui-ci comme principe actif et qui est destinée à être appliquée par administration intra-trachéale, administration par des gouttes nasales ou administration par inhalation.

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