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Tenofovir Alafenamide

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  • # LGM Pharma is a Tenofovir Alafenamide CAS# 379270-37-8 API supplier distributor based in the USA. Inquire about DMF, cGMP, price, availability, samples, sourcing, purity and more.
  • # Questions? Call our customer API support number 1-(800)-881-8210.
  • # LGM Pharma offers this active ingredient but not the finished dosage forms.
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Product Details:

  • Product Name: Tenofovir Alafenamide
  • CAS #: 379270-37-8
  • Mode of Action:

    Tenofovir alafenamide presents 91% lower plasma concentration with an intracellular presence of about 20-fold higher when compared to tenofovir disoproxil.2 This is due to its prolonged systemic exposure and its higher intracellular accumulation of the active metabolite tenofovir diphosphate.5

    Tenofovir alafenamide accumulates more in peripheral blood mononuclear cells compared to red blood cells.5

    Once activated, tenofovir acts with different mechanisms including the inhibition of viral polymerase, causing chain termination and the inhibition of viral synthesis.9 To know more about the specific mechanism of action of the active form, please visit the drug entry of tenofovir.

  • Pharmacodynamics:

    Tenofovir alafenamide has been shown to be a potent inhibitor of hepatitis B viral replication.4

    Tenofovir alafenamide presents a better renal tolerance when compared with the counterpart tenofovir disoproxil. This improved safety profile seems to be related to a lower plasma concentration of tenofovir.1

    In clinical trials, tenofovir alafenamide was shown to present 5-fold more potent antiviral activity against HIV-1 when compared to tenofovir disoproxil

  • Metabolism:

    To be activated, tenofovir alafenamide is required to be hydrolyzed to the parent compound tenofovir by the activity of cathepsin A or carboxylesterase 1. Tenofovir alafenamide presents significant plasma stability and hence, its activation is performed inside the target cells.1

    After activation, tenofovir is further processed and after 1-2 days, it is detected in plasma almost completely transformed to uric acid.

  • Toxicity:

    The LD50 of tenofovir alafenamide has not been reported. In cases of overdose, continuous monitoring of vital signs is required as the adverse effects in high doses has not been evaluated. However, in case of overdose, tenofovir is efficiently removed by hemodialysis with an extraction coefficient of 54%.15

    Carcinogenic reports have only been performed with tenofovir disoproxil and it is important to consider that tenofovir alafenamide does not present a high systemic exposure. However, long-term exposure with 10-fold dosages of tenofovir disoproxil was reported to produce liver adenomas in females. Tenofovir alafenamide was not reported to present mutagenic potential and it did not present effects on fertility.

  • IUPAC: propan-2-yl (2S)-2-{[(S)-({[(2R)-1-(6-amino-9H-purin-9-yl)propan-2-yl]oxy}methyl)(phenoxy)phosphoryl]amino}propanoate
  • DrugBank: DB09299
  • Formula: C21-H29-N6-O5-P
  • SMILES: CC(C)OC(=O)[C@H](C)N[P@](=O)(CO[C@H](C)CN1C=NC2=C(N)N=CN=C12)OC1=CC=CC=C1
  • InChl: InChI=1S/C21H29N6O5P/c1-14(2)31-21(28)16(4)26-33(29,32-17-8-6-5-7-9-17)13-30-15(3)10-27-12-25-18-19(22)23-11-24-20(18)27/h5-9,11-12,14-16H,10,13H2,1-4H3,(H,26,29)(H2,22,23,24)/t15-,16+,33+/m1/s1
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LGM Pharma Acquires CDMO

On July 27, 2020, LGM Pharma announced its acquisition of the formulation development and drug product contract manufacturing business of Nexgen Pharma, Inc. We’re working to update our website to reflect the exciting, expanded CDMO capabilities and services we now can offer you.

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