famciclovir ๐Ÿถ Veterinary Use | Indications/Contra | FAERs-F | FAERs-M | Orange Bk | PK/Tox | Related Drugs | BioActivity |

Stem definitionDrug idCAS RN
antivirals bicyclic heterocycle compounds 1128 104227-87-4

Description:

MoleculeDescription

Molfile Inchi Smiles

Synonyms:

  • famciclovir
  • famcivir
  • famcyclovir
  • famtrex
  • famvir
An aminopurine derivative and prodrug of penciclovir which is a competitive inhibitor of herpes simplex 2 DNA polymerase. It is used to treat HERPES SIMPLEX VIRUS INFECTION.
  • Molecular weight: 321.34
  • Formula: C14H19N5O4
  • CLOGP: 0.08
  • LIPINSKI: 0
  • HAC: 9
  • HDO: 1
  • TPSA: 122.22
  • ALOGS: -2.39
  • ROTB: 9

  • Status: OFP

  • Legend:
    OFP - off patent
    OFM - off market
    ONP - on patent

Drug dosage:

DoseUnitRoute
0.75 g O

ADMET properties:

PropertyValueReference
BDDCS (Biopharmaceutical Drug Disposition Classification System) 1 Benet LZ, Broccatelli F, Oprea TI
S (Water solubility) 250 mg/mL Benet LZ, Broccatelli F, Oprea TI
EoM (Fraction excreted unchanged in urine) 0 % Benet LZ, Broccatelli F, Oprea TI
MRTD (Maximum Recommended Therapeutic Daily Dose) 77.80 ยตM/kg/day Contrera JF, Matthews EJ, Kruhlak NL, Benz RD
BA (Bioavailability) 77 % Kim MT, Sedykh A, Chakravarti SK, Saiakhov RD, Zhu H

Predicted pharmacokinetic/toxicological properties (PK-AZ):

PropertyDescriptionValueUnitConfidenceSimilarity
azlogd74 LogD at pH 7.4 0.153 High 1
caco2-efflux Caco-2 efflux ratio (BA/AB) 2.254 High 1
caco2-intrinsic-papp Caco-2 intrinsic apparent permeability 10.351 10^-6 cm/s High 1
dh-clint Dog hepatocyte intrinsic clearance 110.154 uL/min/10^6 cells High 1
dppb Dog plasma protein binding (% unbound) 93.690 % High 1
fcs-ppb Fetal calf serum protein binding (% unbound) 90.980 % High 1
herg hERG pIC50 4.140 pIC50 High 1
hh-clint Human hepatocyte intrinsic clearance 891.251 uL/min/10^6 cells High 1
hlm-clint Human liver microsomal intrinsic clearance 243.781 uL/min/mg protein High 1
hppb Human plasma protein binding (% unbound) 93.170 % High 1
kinase-safety-class ACVR2B,AXL,BRAF,CAMK2D,CDK9,DYRK1B,EIF2AK3,ERBB2,FLT3,GRK2,ITK,MAP3K21,MAPK7,MARK4,PDK1,PDK2,PIK3CA,PIK3CD,PRKDC,SIK2 20
kinase-selectivity-class AXL,CDK16,CDK9,MAP3K21,PIK3CD,SIK2 6
mdck-mdr1-efflux MDCK-MDR1 efflux ratio 15.631 High 1
mh-clint Mouse hepatocyte intrinsic clearance 445.656 High 1
mppb Mouse plasma protein binding (% unbound) 95.450 High 1
nih-mdck-mdr1-efflux NIH MDCK-MDR1 efflux ratio 5.272 High 1
pfas-class PFAS structural alert (1 = True, 0 = False) 0
pppb Pig plasma protein binding (% unbound) 92.800 % High 1
rh-clint Rat hepatocyte intrinsic clearance 116.950 uL/min/10^6 cells High 1
rh-fuinc Rat hepatocyte fraction unbound in incubation 98.300 % High 1
rppb Rat plasma protein binding (% unbound) 95.310 % High 1
solubility-dd Solubility at pH 7.4 in DMSO 928.966 uM High 1

Approvals:

DateAgencyCompanyOrphan
April 16, 2008 PMDA ASAHI KASEI PHARMA CORPORATION
June 29, 1994 FDA NOVARTIS

FDA Adverse Event Reporting System (Female)

MedDRA adverse event termLikelihood ratioLikelihood ratio thresholdPatients taking drug having adverse eventPatients taking drug not having adverse eventPatients not taking drug having adverse eventPatients not taking drug not having adverse event
Aplastic anaemia 39.36 19.26 16 3541 13253 90611637
CD4 lymphocytes decreased 36.06 19.26 9 3548 1538 90623352
Plasma cell myeloma 34.69 19.26 21 3536 40807 90584083
Intussusception 34.09 19.26 8 3549 1057 90623833
Smooth muscle cell neoplasm 32.07 19.26 8 3549 1365 90623525
Diarrhoea 24.06 19.26 86 3471 939104 89685786
Chronic graft versus host disease 23.35 19.26 8 3549 4131 90620759
Herpes zoster 22.70 19.26 23 3534 94621 90530269
Necrotising retinitis 22.26 19.26 5 3552 544 90624346
Acute myeloid leukaemia 21.17 19.26 12 3545 20628 90604262
Pericardial drainage 19.46 19.26 4 3553 286 90624604
Post transplant lymphoproliferative disorder 19.31 19.26 8 3549 6941 90617949

FDA Adverse Event Reporting System (Male)

MedDRA adverse event termLikelihood ratioLikelihood ratio thresholdPatients taking drug having adverse eventPatients taking drug not having adverse eventPatients not taking drug having adverse eventPatients not taking drug not having adverse event
Ureaplasma infection 47.76 22.70 10 2080 626 42618619
Febrile neutropenia 42.95 22.70 49 2041 185654 42433591
Herpes simplex pneumonia 42.91 22.70 8 2082 274 42618971
Gastrointestinal tract mucosal pigmentation 37.17 22.70 8 2082 571 42618674
Meralgia paraesthetica 33.53 22.70 6 2084 163 42619082
Tuberculosis liver 31.88 22.70 5 2085 59 42619186
Lip haemorrhage 28.37 22.70 7 2083 913 42618332
Hyperammonaemia 22.96 22.70 10 2080 7856 42611389

FDA Adverse Event Reporting System (Geriatric)

MedDRA adverse event termLikelihood ratioLikelihood ratio thresholdPatients taking drug having adverse eventPatients taking drug not having adverse eventPatients not taking drug having adverse eventPatients not taking drug not having adverse event
Aplastic anaemia 58.52 17.99 26 4758 24282 110560233
Febrile neutropenia 45.54 17.99 62 4722 316705 110267810
Herpes simplex pneumonia 41.26 17.99 8 4776 385 110584130
Ureaplasma infection 40.15 17.99 10 4774 1536 110582979
Herpes zoster 32.32 17.99 31 4753 108348 110476167
Gastrointestinal tract mucosal pigmentation 31.87 17.99 8 4776 1269 110583246
Tuberculosis liver 30.07 17.99 5 4779 99 110584416
CD4 lymphocytes decreased 29.37 17.99 9 4775 2965 110581550
Bacteraemia 27.29 17.99 19 4765 42371 110542144
Platelet count decreased 27.05 17.99 41 4743 230402 110354113
Lip haemorrhage 26.06 17.99 7 4777 1445 110583070
Plasma cell myeloma 22.64 17.99 20 4764 62916 110521599
Pathogen resistance 21.82 17.99 12 4772 17660 110566855
Meralgia paraesthetica 21.19 17.99 5 4779 612 110583903
Neuropathy peripheral 21.17 17.99 32 4752 179245 110405270
Necrotising retinitis 20.86 17.99 6 4778 1590 110582925
Drug resistance 20.44 17.99 18 4766 56356 110528159
White blood cell count decreased 19.11 17.99 35 4749 229355 110355160
Hyperammonaemia 18.84 17.99 10 4774 13722 110570793

FDA Adverse Event Reporting System (Pediatric)

None

Pharmacologic Action:

SourceCodeDescription
ATC J05AB09 ANTIINFECTIVES FOR SYSTEMIC USE
ANTIVIRALS FOR SYSTEMIC USE
DIRECT ACTING ANTIVIRALS
Nucleosides and nucleotides excl. reverse transcriptase inhibitors
ATC S01AD07 SENSORY ORGANS
OPHTHALMOLOGICALS
ANTIINFECTIVES
Antivirals
FDA MoA N0000020060 DNA Polymerase Inhibitors
FDA EXT N0000175459 Nucleoside Analog
MeSH PA D000890 Anti-Infective Agents
MeSH PA D000998 Antiviral Agents
MeSH PA D004791 Enzyme Inhibitors
MeSH PA D019384 Nucleic Acid Synthesis Inhibitors
CHEBI has role CHEBI:22587 antiviral agent
CHEBI has role CHEBI:35705 immunosuppressive agent
CHEBI has role CHEBI:36044 antiviral drug
CHEBI has role CHEBI:50266 prodrug
CHEBI has role CHEBI:64952 anti-HSV agent
CHEBI has role CHEBI:66981 ophthalmology drug
FDA EPC N0000180187 Herpes Simplex Virus Nucleoside Analog DNA Polymerase Inhibitor

Related Drugs by ATC class:

J05AB Nucleosides and nucleotides excl. reverse transcriptase inhibitors 11 drugs
S01AD Antivirals 6 drugs

Drug Use | Suggest Off label Use Form| |View source of the data|

DiseaseRelationSNOMED_IDDOID
Herpes zoster indication 4740000 DOID:8536
Herpes simplex indication 88594005 DOID:8566
Recurrent herpes simplex labialis indication 402892009
Recurrent genital herpes simplex indication 402894005
Suppression of Recurrent Herpes Simplex Infection indication
Recurrent Mucocutaneous Herpes Simplex in Human Immunodeficiency Virus Infected Patients indication
Suppression of Recurrent Herpes Simplex Infection in HIV off-label use
Prevention of Herpes Zoster in Immunocompromised Patient off-label use
Kidney disease contraindication 90708001 DOID:557




๐Ÿถ Veterinary Drug Use

None

๐Ÿถ Veterinary products

None

Acid dissociation constants calculated using MoKa v3.0.0

Dissociation levelDissociation constantType (acidic/basic)
pKa1 4.86 Basic

Orange Book patent data (new drug applications)

None

Orange Book exclusivity data (new drug applications)

None

Bioactivity Summary:

TargetClassPharosUniProtActionTypeActivity value
(-log[M])
Mechanism
action
Bioact sourceMoA source
DNA polymerase catalytic subunit Enzyme INHIBITOR WOMBAT-PK CHEMBL
DNA polymerase catalytic subunit Enzyme WOMBAT-PK

External reference:

IDSource
4020882 VUID
N0000148380 NUI
D00317 KEGG_DRUG
4020882 VANDF
C0209227 UMLSCUI
CHEBI:4974 CHEBI
CHEMBL880 ChEMBL_ID
DB00426 DRUGBANK_ID
D000077595 MESH_DESCRIPTOR_UI
3324 PUBCHEM_CID
11629 IUPHAR_LIGAND_ID
6438 INN_ID
QIC03ANI02 UNII
151733 RXNORM
119086 MMSL
1730 MMSL
4712 MMSL
d03775 MMSL
004470 NDDF
387557001 SNOMEDCT_US
96097002 SNOMEDCT_US
QIC03ANI02 INXIGHT DRUGS

Pharmaceutical products:

ProductCategoryIngredientsNDCFormQuantityRouteMarketingLabel
Famciclovir HUMAN PRESCRIPTION DRUG LABEL 1 0093-8117 TABLET, FILM COATED 125 mg ORAL ANDA 25 sections
Famciclovir HUMAN PRESCRIPTION DRUG LABEL 1 0093-8118 TABLET, FILM COATED 250 mg ORAL ANDA 25 sections
Famciclovir HUMAN PRESCRIPTION DRUG LABEL 1 0093-8119 TABLET, FILM COATED 500 mg ORAL ANDA 25 sections
Famciclovir HUMAN PRESCRIPTION DRUG LABEL 1 17856-0705 TABLET, FILM COATED 250 mg ORAL ANDA 25 sections
Famciclovir HUMAN PRESCRIPTION DRUG LABEL 1 17856-0706 TABLET, FILM COATED 125 mg ORAL ANDA 25 sections
Famciclovir HUMAN PRESCRIPTION DRUG LABEL 1 17856-0708 TABLET, FILM COATED 500 mg ORAL ANDA 25 sections
Famciclovir HUMAN PRESCRIPTION DRUG LABEL 1 31722-706 TABLET, FILM COATED 125 mg ORAL ANDA 25 sections
Famciclovir HUMAN PRESCRIPTION DRUG LABEL 1 31722-707 TABLET, FILM COATED 250 mg ORAL ANDA 25 sections
Famciclovir HUMAN PRESCRIPTION DRUG LABEL 1 31722-708 TABLET, FILM COATED 500 mg ORAL ANDA 25 sections
Famciclovir Human Prescription Drug Label 1 33342-024 TABLET, FILM COATED 125 mg ORAL ANDA 25 sections
Famciclovir Human Prescription Drug Label 1 33342-025 TABLET, FILM COATED 250 mg ORAL ANDA 25 sections
Famciclovir Human Prescription Drug Label 1 33342-026 TABLET, FILM COATED 500 mg ORAL ANDA 25 sections
Famciclovir HUMAN PRESCRIPTION DRUG LABEL 1 42291-414 TABLET, FILM COATED 125 mg ORAL ANDA 25 sections
Famciclovir HUMAN PRESCRIPTION DRUG LABEL 1 42291-415 TABLET, FILM COATED 250 mg ORAL ANDA 25 sections
Famciclovir HUMAN PRESCRIPTION DRUG LABEL 1 42291-416 TABLET, FILM COATED 500 mg ORAL ANDA 25 sections
Famciclovir HUMAN PRESCRIPTION DRUG LABEL 1 53002-0640 TABLET, FILM COATED 250 mg ORAL ANDA 25 sections
Famciclovir HUMAN PRESCRIPTION DRUG LABEL 1 54868-5905 TABLET, FILM COATED 500 mg ORAL ANDA 28 sections
Famciclovir HUMAN PRESCRIPTION DRUG LABEL 1 55289-168 TABLET, FILM COATED 500 mg ORAL ANDA 25 sections
Famciclovir HUMAN PRESCRIPTION DRUG LABEL 1 55289-168 TABLET, FILM COATED 500 mg ORAL ANDA 25 sections
FAMCICLOVIR HUMAN PRESCRIPTION DRUG LABEL 1 60505-3245 TABLET, FILM COATED 125 mg ORAL ANDA 23 sections
FAMCICLOVIR HUMAN PRESCRIPTION DRUG LABEL 1 60505-3246 TABLET, FILM COATED 250 mg ORAL ANDA 23 sections
FAMCICLOVIR HUMAN PRESCRIPTION DRUG LABEL 1 60505-3247 TABLET, FILM COATED 500 mg ORAL ANDA 23 sections
Famciclovir HUMAN PRESCRIPTION DRUG LABEL 1 63187-998 TABLET, FILM COATED 500 mg ORAL ANDA 24 sections
Famciclovir HUMAN PRESCRIPTION DRUG LABEL 1 63629-7890 TABLET, FILM COATED 500 mg ORAL ANDA 25 sections
Famciclovir Human Prescription Drug Label 1 64980-349 TABLET, FILM COATED 125 mg ORAL ANDA 26 sections
Famciclovir Human Prescription Drug Label 1 64980-350 TABLET, FILM COATED 250 mg ORAL ANDA 26 sections
Famciclovir Human Prescription Drug Label 1 64980-351 TABLET, FILM COATED 500 mg ORAL ANDA 26 sections
Famciclovir Human Prescription Drug Label 1 65862-465 TABLET, FILM COATED 125 mg ORAL ANDA 26 sections
Famciclovir Human Prescription Drug Label 1 65862-466 TABLET, FILM COATED 250 mg ORAL ANDA 26 sections
Famciclovir Human Prescription Drug Label 1 65862-467 TABLET, FILM COATED 500 mg ORAL ANDA 26 sections