Shandong Taitian New Drug Development Co., Ltd.

Strontium ranelate granules were used as the test preparation. The human bioavailability and bioequivalence tests were carried out with strontium ranelate dry suspension produced by Servier, France. The relative bioavailability of the test preparation was calculated and the bioequivalence of the two preparations was compared.

Understand the absorption, distribution, elimination, and metabolism of meptazinol hydrochloride tablets in healthy humans, provide experimental basis for formulating the Phase II clinical trial plan of meptazinol hydrochloride tablets, and provide basis for clinical drug dosage.

To evaluate the efficacy and safety of meptazinol hydrochloride tablets in the short-term treatment of moderate pain after orthopedic surgery