NS5a GT5

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Daclatasvir

 EC50 (nM)Fold-shiftPhenotypeClinical RASReferenceComments
WT (SA13)0.0051xlikely susceptible1,2,40.003 -0.019 (4)
L28I3EASL 2016 guidelines
M28T
M28A
M28S
M28V
M28G
Q30D
Q30E
Q30G
Q30H
Q30K
Q30L
Q30R
Q30S
Q30T
Q30Y
L31F6.91438xresistance likely1, 2,5
L31I
L31M
L31P
L31V2.2458xresistance likely1,3,5
P32L
K56R0.0123xlikely susceptible1,5
P58S
A92P
T93A
T93C
T93F
T93H
T93L
T93N
T93S
L31F+K56R39.38188xresistance likely1,5
L31V+K56R29.46125xresistance likely1,5
Q30D+Y93N
Q30H+Y93H
Q30R+L31M
Q30R+H58D
L31M+H58D
L31M+Y93H
1. Wang et al. (2014) AAC 58(9):5155-5163
2. Daklinza Canadian Product Monogram
3. EASL Guidelines 2106
4. FDA NDA Microbiology Virology Reviews_Daklinza_206843Orig1s000MicroR

Elbasvir

 EC50 (nM)Fold-shiftPhenotypeClinical RASReferenceComments
WT (SA13)
L28I
M28T
M28A
M28S
M28V
M28G
Q30D
Q30E
Q30G
Q30H
Q30K
Q30L
Q30R
Q30S
Q30T
Q30Y
L31F
L31I
L31M
L31P
L31V
P32L
K56R
P58S
A92P
T93A
T93C
T93F
T93H
T93L
T93N
T93S
L31F+K56R
L31V+K56R
Q30D+Y93N
Q30H+Y93H
Q30R+L31M
Q30R+H58D
L31M+H58D
L31M+Y93H

Ledipasvir

 EC50 (nM)Fold-shiftPhenotypeClinical RASReferenceComments
WT (SA13)0.0751xlikely susceptible2,3
L28I
M28T
M28A
M28S
M28V
M28G
Q30D
Q30E
Q30G
Q30H
Q30K
Q30L
Q30R
Q30S
Q30T
Q30Y
L31F
L31I
L31MResistance Possibleyes1BL RAV asso VF
L31P
L31V
P32L
K56R
P58S
A92P
T93A
T93C
T93F
T93H
T93L
T93N
T93S
L31F+K56R
L31V+K56R
Q30D+Y93N
Q30H+Y93H
Q30R+L31M
Q30R+H58D
L31M+H58D
L31M+Y93H
1. Harvoni US Product Label
2. Guofeng Cheng, EASL 2013, Amsterdam, Netherlands.  P308
3. FDA NDA Microbilogy Virology Reviews_Harvoni_205834Orig1s000Micror

Ombitasvir

 EC50 (nM)Fold-shiftPhenotypeClinical RASReferenceComments
WT (SA13)0.0031xlikely susceptible2
L28I0.0779xresistance likely
M28T
M28A
M28S
M28V
M28G
Q30D
Q30E
Q30G
Q30H
Q30K
Q30L
Q30R
Q30S
Q30T
Q30Y
L31F0.26289xresistance likely
L31I
L31M
L31P
L31V0.22243xresistance likely
P32L
K56R
P58S
A92P
T93A
T93C
T93F
T93H
T93L
T93N
T93S
L31F+K56R
L31V+K56R
Q30D+Y93N
Q30H+Y93H
Q30R+L31M
Q30R+H58D
L31M+H58D
L31M+Y93H
1. Krishnan et al., (2015) AAC 59:979-987
2. Viekira Pak US Product Label

Pibrentasvir

 EC50 (nM)Fold-shiftPhenotypeClinical RASReferenceComments
WT (SA13)0.00141xlikely susceptible1,2
L28I0.000981.1xlikely susceptible1,2
M28T
M28A
M28S
M28V
M28G
Q30D
Q30E
Q30G
Q30H
Q30K
Q30L
Q30R
Q30S
Q30T
Q30Y
L31F0.00192.1xlikely susceptible1,2
L31I
L31M
L31P
L31V0.000750.8xlikely susceptible1,2
P32L
K56R
P58S
A92P
T93Aresistance possibleyes3
T93C
T93F
T93H
T93L
T93N
T93S
L31F+K56R
L31V+K56R
Q30D+Y93N
Q30H+Y93H
Q30R+L31M
Q30R+H58D
L31M+H58D
L31M+Y93H
1. Ng TI, et al. 2017. Antimicrobial agents and chemotherapy 61: e02558-16  https://doi.org/10.1128/ AAC.02558-16.
2. FDA Microbiology Review https://www.accessdata.fda.gov/drugsatfda_docs/nda/2017/209394Orig1s000MicroR.pdf
3. Asselah T, et al. 2018. Journal of Hepatology 68: S39

Velpatasvir

 EC50 (nM)Fold-shiftPhenotypeClinical RASReplication Fitness (5) ReferenceComments
WT (SA13)0.021-0.0541xlikely susceptible2,1
L28I
M28T
M28A
M28S
M28V
M28G
Q30D
Q30E
Q30G
Q30H<2.5xlikely susceptible5
Q30K<2.5xlikely susceptible5
Q30L<2.5xlikely susceptible5
Q30R<2.5xlikely susceptible5
Q30S<2.5xlikely susceptible5
Q30T<2.5xlikely susceptible5
Q30Y
L31F<2.5xlikely susceptible5
L31I>2.5 - 100xresistance possible3,4VEL RAS (4)
L31M<2.5xlikely susceptible5
L31Punfit1.4
L31V<2.5xlikely susceptible5
P32L<2.5xlikely susceptible5
K56R
P58S<2.5xlikely susceptible5
A92P
T93A
T93C<2.5xlikely susceptible5
T93F<2.5xlikely susceptible5
T93H<2.5xlikely susceptible5
T93L<2.5xlikely susceptible5
T93N<2.5xlikely susceptible5
T93S<2.5xlikely susceptible5
L31F+K56R
L31V+K56R
Q30D+Y93N
Q30H+Y93H
Q30R+L31M
Q30R+H58D
L31M+H58D
L31M+Y93H
1 Cheng G et al. Journal of Hepatology 2013;58:S484-S5.
2. Epclusa US Product Label.  July 2016
3.  Epclusa Canadian Product Label July 8, 2016
4. Sarrazin C, et al. 2017. Gastroenterology 152: S1062
5.FDA Microbiology/Virology Reviews Epclusa_ 208341Orig1s000 (2015)