Zhejiang Hisun Pharmaceutical Co., Ltd.

Lintao Jiang

Min Wang

Ning Li

Maojian Gu

Qilan Zheng

Chao Xu

Guixian Chen

Lan Zheng

Provided is an oral solid preparation of a compound anti-tubercular drug, wherein the active ingredients are rifampicin, isoniazid, pyrazinamide and ethambutol hydrochloride. The compound oral solid preparation is a coated tablet with coated core or a coated three-layer tablet, wherein the two active ingredients rifampicin and isoniazid do not come to contact with each other directly. The compound oral solid preparation not only improves the stability of the compound preparation, but also improves the bioavailability of rifampicin.

Oral solid formulation of compound anti-tubercular drug and preparation method thereof

Growing community of inventors

Fuyang Hangzhou, China

Lintao Jiang