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A randomized, open, fasting, single dose, two sequence, two cycle and double cross administration trial design was adopted. Took the test or reference efavirenz tablets of 200 mg orally in a single time. The plasma concentration of efavirenz in healthy subjects was determined by LC-MS/MS. WinNonLin8.1 software was used to calculate the main pharmacokinetic parameters of efavirenz and to evaluate the bioequivalence. The main pharmacokinetic parameters within 72 h: tmax were 2.574 ± 0.871 and 2.808 ± 0.912 h; Cmax were 1 586.732 ± 424.538 and 1 549.518 ± 366.086 ng·mL-1; AUC0-72 h were 28 464.672 ± 5 682.518 and 27 828.826 ± 5 082.487 h·ng·mL-1; t1/2 were 63.524 ± 26.037 and 58.748 ± 20.950 h; λz were 0.013 ± 0.006 and 0.013 ± 0.005 h-1. The main bioequivalence indicators were as follows: The 90% confidence interval of Cmax was 95.62%-107.15%, and the geometric mean ratio was 101.22%; The 90% confidence interval of AUC0-72 h was 100.43%-104.38%, and the geometric mean ratio was 102.38%. The results showed that the main pharmacokinetic parameters of the test drug and the reference drug were similar, and the two preparations had bioequivalence. This human bioequivalence clinical study was approved by the drug clinical trials ethics committee of the Second Hospital of Anhui Medical University (ethics approval No.: YW2021-110).
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| 科 Family | 属数 Number of genus | 种数 Number of species | 占总种数比例 Percentage of total species (%) | 属 Genus | 种数 Number of species | 占总种数比例 Percentage of total species (%) |
|---|---|---|---|---|---|---|
| 鹅膏菌科Amanitaceae | 2 | 11 | 5.26 | 鹅膏菌属 Amanita | 10 | 4.78 |
| 小菇科 Mycenaceae | 2 | 12 | 5.74 | 丝盖伞属 Inocybe | 5 | 2.39 |
| 多孔菌科 Polyporaceae | 8 | 14 | 6.70 | 蜡蘑属 Laccaria | 5 | 2.39 |
| 红菇科 Russulaceae | 3 | 23 | 11.00 | 小皮伞属 Marasmius | 6 | 2.87 |
| 小菇属 Mycena | 11 | 5.26 | ||||
| 光柄菇属 Pluteus | 5 | 2.39 | ||||
| 红菇属 Russula | 17 | 8.13 | ||||
| 栓菌属 Trametes | 5 | 2.39 |
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