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SMARTS
Stem definition Drug id CAS RN
antivirals bicyclic heterocycle compounds
1128
104227-87-4
Description:
Molecule Description
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:
ADMET properties:
Property Value Reference
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):
Property Description Value Unit Confidence Similarity
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
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:
FDA Adverse Event Reporting System (Female)
MedDRA adverse event term Likelihood ratio Likelihood ratio threshold Patients taking drug having adverse event Patients taking drug not having adverse event Patients not taking drug having adverse event Patients 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 term Likelihood ratio Likelihood ratio threshold Patients taking drug having adverse event Patients taking drug not having adverse event Patients not taking drug having adverse event Patients 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 term Likelihood ratio Likelihood ratio threshold Patients taking drug having adverse event Patients taking drug not having adverse event Patients not taking drug having adverse event Patients 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:
Source Code Description
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
Disease Relation SNOMED_ID DOID
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
๐ถ Veterinary Drug Use
None
๐ถ Veterinary products
None
Acid dissociation constants calculated using MoKa v3.0.0
Dissociation level Dissociation constant Type (acidic/basic)
pKa1
4.86
Basic
Orange Book patent data (new drug applications)
None
Orange Book exclusivity data (new drug applications)
None
Bioactivity Summary:
External reference:
Pharmaceutical products:
Product Category Ingredients NDC Form Quantity Route Marketing Label
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