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Rilpivirine

CAS No. : 500287-72-9

MCE 站：Rilpivirine

产品活性：Rilpivirine (R278474) 是一种有效和特异性的二芳基嘧啶 (DAPY) 非核苷逆转录酶抑制剂 (NNRTI)。Rilpivirine 对野生型 HIV (EC₅₀=0.4 nM) 和突变体 (EC₅₀=0.1-2.0 nM) 具有很高的抗病毒活性。Rilpivirine 对 HIV 耐药性的形成产生了高度的遗传障碍。

研究领域：Anti-infection

作用靶点：HIV  |  Reverse Transcriptase

In Vitro: R278474 is active against wild-type HIV-1 (EC₅₀=0.4 nM) and all single and double mutants tested (EC₅₀=0.1-2.0 nM).
R278474 (10-5000 nM; 30 d) does not observe the sign of wild-type HIV-1 breakthrough at 1 μM within 30 days.
R278474 inhibits 81% of clinical isolates (about 1200 recombinant clinical isolates) at a 50% inhibitory concentration (EC₅₀) less than 1 nM, and inhibits 94% at EC₅₀ less than 10 nM.
TMC278 shows subnanomolar EC₅₀s against wild-type HIV-1 group M isolates (0.07-1.01 nM) and nanomolar EC₅₀s against group O isolates (2.88-8.45 nM) in MT4 T-cells.

In Vivo: R278474 (10-160 mg/kg; p.o. for 1 month) does not produce abnormal effects in rat, apart from liver weight increase and species-specific thyroid hypertrophy, both at the higher dose levels.
R278474 (i.v.) exhibits elimination half-life ranges from 4.4 h in rat to 31 h in dog, and exposure (AUC_inf) amounts to 3.1 μg?h/mL (4 mg/kg) in rat, 8.7 μg?h/mL (1.25 mg/kg) in dog, 1.4 μg?h/mL (1.25 mg/ kg) in monkey, and 44?μg h/mL (1.25 mg/kg) in rabbit.
R278474 (p.o.) exhibits half-life ranges between 2.8 h in rat and 39 h in dog, and oral bioavailability of 32% and 31% in rat and dog.

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