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Is the anti-psychotic, 10-(3-(dimethylamino)propyl)phenothiazine (promazine), a potential drug with which to treat SARS infections? Lack of efficacy of promazine on SARS-CoV replication in a mouse model

Identifieur interne : 000271 ( PascalFrancis/Checkpoint ); précédent : 000270; suivant : 000272

Is the anti-psychotic, 10-(3-(dimethylamino)propyl)phenothiazine (promazine), a potential drug with which to treat SARS infections? Lack of efficacy of promazine on SARS-CoV replication in a mouse model

Auteurs : Dale L. Barnard [États-Unis] ; Craig W. Day [États-Unis] ; Kevin Bailey [États-Unis] ; Matthew Heiner [États-Unis] ; Robert Montgomery [États-Unis] ; Larry Lauridsen [États-Unis] ; Kie-Hoon Jung [États-Unis] ; Joseph K.-K. Li [États-Unis] ; Paul K. S. Chan [Hong Kong] ; Robert W. Sidwell [États-Unis]

Source :

RBID : Pascal:08-0298379

Descripteurs français

English descriptors

Abstract

Phenothiazine and derivatives were tested for inhibition of SARS-CoV replication. Phenothiazine slightly inhibited SARS-CoV replication in a neutral red (NR) uptake assay. Adding a propylamino group to give promazine reduced virus yields (VYR assay) with an EC90 = 8.3 ± 2.8 μM, but without selectivity. Various substitutions in the basic phenothiazine structure did not promote efficacy. Phenazine ethosulfate was the most potent compound by VYR assay (EC90 = 6.1 ± 4.3 μM). All compounds were toxic (IC50 = 6.6-74.5 μM) except for phenoxathiin (IC50 = 858 ± 208 μM) and 10-(alpha-diethylamino-propionyl) phenothiazine.HCl (IC50 =195 ± 71.2 μM). Consequently, none were selective inhibitors of SARS-CoV replication (SI values <1-3.3 μM). These data portended the poor efficacy of promazine in a SARS-CoV mouse lung replication model. Intraperitoneal treatment with promazine using a prophylactic (-4 h)/therapeutic regimen of 1, 10, or 50 mg/(kg day) did not reduce virus lung titers at day 3, yet prolonged virus replication to 14 days. Similar therapeutic promazine doses were not efficacious. Thus, promazine did not affect SARS-CoV replication in vitro or in vivo, nor were any other phenothiazines efficacious in reducing virus replication. Therefore, treating SARS infections with compounds like promazine is not warranted.


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Pascal:08-0298379

Le document en format XML

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<term>Promazine</term>
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<div type="abstract" xml:lang="en">Phenothiazine and derivatives were tested for inhibition of SARS-CoV replication. Phenothiazine slightly inhibited SARS-CoV replication in a neutral red (NR) uptake assay. Adding a propylamino group to give promazine reduced virus yields (VYR assay) with an EC
<sub>90</sub>
= 8.3 ± 2.8 μM, but without selectivity. Various substitutions in the basic phenothiazine structure did not promote efficacy. Phenazine ethosulfate was the most potent compound by VYR assay (EC
<sub>90</sub>
= 6.1 ± 4.3 μM). All compounds were toxic (IC
<sub>50</sub>
= 6.6-74.5 μM) except for phenoxathiin (IC
<sub>50</sub>
= 858 ± 208 μM) and 10-(alpha-diethylamino-propionyl) phenothiazine.HCl (IC
<sub>50</sub>
=195 ± 71.2 μM). Consequently, none were selective inhibitors of SARS-CoV replication (SI values <1-3.3 μM). These data portended the poor efficacy of promazine in a SARS-CoV mouse lung replication model. Intraperitoneal treatment with promazine using a prophylactic (-4 h)/therapeutic regimen of 1, 10, or 50 mg/(kg day) did not reduce virus lung titers at day 3, yet prolonged virus replication to 14 days. Similar therapeutic promazine doses were not efficacious. Thus, promazine did not affect SARS-CoV replication in vitro or in vivo, nor were any other phenothiazines efficacious in reducing virus replication. Therefore, treating SARS infections with compounds like promazine is not warranted.</div>
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<s1>LAURIDSEN (Larry)</s1>
</fA11>
<fA11 i1="07" i2="1">
<s1>JUNG (Kie-Hoon)</s1>
</fA11>
<fA11 i1="08" i2="1">
<s1>LI (Joseph K.-K.)</s1>
</fA11>
<fA11 i1="09" i2="1">
<s1>CHAN (Paul K. S.)</s1>
</fA11>
<fA11 i1="10" i2="1">
<s1>SIDWELL (Robert W.)</s1>
</fA11>
<fA14 i1="01">
<s1>Institute for Antiviral Research, Utah State University, 5600 Old Main Hill</s1>
<s2>Logan, UT 84322-5600</s2>
<s3>USA</s3>
<sZ>1 aut.</sZ>
<sZ>2 aut.</sZ>
<sZ>3 aut.</sZ>
<sZ>4 aut.</sZ>
<sZ>5 aut.</sZ>
<sZ>6 aut.</sZ>
<sZ>7 aut.</sZ>
<sZ>10 aut.</sZ>
</fA14>
<fA14 i1="02">
<s1>Department of Biology, Utah State University, 5305 Old Main Hill</s1>
<s2>Logan, UT 84322-5305</s2>
<s3>USA</s3>
<sZ>8 aut.</sZ>
</fA14>
<fA14 i1="03">
<s1>Department of Microbiology, Centre for Emerging Infectious Diseases, The Chinese University of Hong Kong, 1/F Prince of Wales Hospital</s1>
<s2>Shatin, New Territories</s2>
<s3>HKG</s3>
<sZ>9 aut.</sZ>
</fA14>
<fA20>
<s1>105-113</s1>
</fA20>
<fA21>
<s1>2008</s1>
</fA21>
<fA23 i1="01">
<s0>ENG</s0>
</fA23>
<fA43 i1="01">
<s1>INIST</s1>
<s2>18839</s2>
<s5>354000200257640040</s5>
</fA43>
<fA44>
<s0>0000</s0>
<s1>© 2008 INIST-CNRS. All rights reserved.</s1>
</fA44>
<fA45>
<s0>3/4 p.</s0>
</fA45>
<fA47 i1="01" i2="1">
<s0>08-0298379</s0>
</fA47>
<fA60>
<s1>P</s1>
</fA60>
<fA61>
<s0>A</s0>
</fA61>
<fA64 i1="01" i2="1">
<s0>Antiviral research</s0>
</fA64>
<fA66 i1="01">
<s0>NLD</s0>
</fA66>
<fC01 i1="01" l="ENG">
<s0>Phenothiazine and derivatives were tested for inhibition of SARS-CoV replication. Phenothiazine slightly inhibited SARS-CoV replication in a neutral red (NR) uptake assay. Adding a propylamino group to give promazine reduced virus yields (VYR assay) with an EC
<sub>90</sub>
= 8.3 ± 2.8 μM, but without selectivity. Various substitutions in the basic phenothiazine structure did not promote efficacy. Phenazine ethosulfate was the most potent compound by VYR assay (EC
<sub>90</sub>
= 6.1 ± 4.3 μM). All compounds were toxic (IC
<sub>50</sub>
= 6.6-74.5 μM) except for phenoxathiin (IC
<sub>50</sub>
= 858 ± 208 μM) and 10-(alpha-diethylamino-propionyl) phenothiazine.HCl (IC
<sub>50</sub>
=195 ± 71.2 μM). Consequently, none were selective inhibitors of SARS-CoV replication (SI values <1-3.3 μM). These data portended the poor efficacy of promazine in a SARS-CoV mouse lung replication model. Intraperitoneal treatment with promazine using a prophylactic (-4 h)/therapeutic regimen of 1, 10, or 50 mg/(kg day) did not reduce virus lung titers at day 3, yet prolonged virus replication to 14 days. Similar therapeutic promazine doses were not efficacious. Thus, promazine did not affect SARS-CoV replication in vitro or in vivo, nor were any other phenothiazines efficacious in reducing virus replication. Therefore, treating SARS infections with compounds like promazine is not warranted.</s0>
</fC01>
<fC02 i1="01" i2="X">
<s0>002B02S05</s0>
</fC02>
<fC02 i1="02" i2="X">
<s0>002B05C02C</s0>
</fC02>
<fC03 i1="01" i2="X" l="FRE">
<s0>Antipsychotique</s0>
<s5>01</s5>
</fC03>
<fC03 i1="01" i2="X" l="ENG">
<s0>Antipsychotic</s0>
<s5>01</s5>
</fC03>
<fC03 i1="01" i2="X" l="SPA">
<s0>Antipsicótico</s0>
<s5>01</s5>
</fC03>
<fC03 i1="02" i2="X" l="FRE">
<s0>Neuroleptique</s0>
<s5>02</s5>
</fC03>
<fC03 i1="02" i2="X" l="ENG">
<s0>Neuroleptic</s0>
<s5>02</s5>
</fC03>
<fC03 i1="02" i2="X" l="SPA">
<s0>Neuroléptico</s0>
<s5>02</s5>
</fC03>
<fC03 i1="03" i2="X" l="FRE">
<s0>Relation structure activité</s0>
<s5>03</s5>
</fC03>
<fC03 i1="03" i2="X" l="ENG">
<s0>Structure activity relation</s0>
<s5>03</s5>
</fC03>
<fC03 i1="03" i2="X" l="SPA">
<s0>Relación estructura actividad</s0>
<s5>03</s5>
</fC03>
<fC03 i1="04" i2="X" l="FRE">
<s0>Promazine</s0>
<s2>NK</s2>
<s2>FR</s2>
<s5>04</s5>
</fC03>
<fC03 i1="04" i2="X" l="ENG">
<s0>Promazine</s0>
<s2>NK</s2>
<s2>FR</s2>
<s5>04</s5>
</fC03>
<fC03 i1="04" i2="X" l="SPA">
<s0>Promazina</s0>
<s2>NK</s2>
<s2>FR</s2>
<s5>04</s5>
</fC03>
<fC03 i1="05" i2="X" l="FRE">
<s0>Antiviral</s0>
<s5>05</s5>
</fC03>
<fC03 i1="05" i2="X" l="ENG">
<s0>Antiviral</s0>
<s5>05</s5>
</fC03>
<fC03 i1="05" i2="X" l="SPA">
<s0>Antiviral</s0>
<s5>05</s5>
</fC03>
<fC03 i1="06" i2="X" l="FRE">
<s0>Syndrome respiratoire aigu sévère</s0>
<s2>NM</s2>
<s5>07</s5>
</fC03>
<fC03 i1="06" i2="X" l="ENG">
<s0>Severe acute respiratory syndrome</s0>
<s2>NM</s2>
<s5>07</s5>
</fC03>
<fC03 i1="06" i2="X" l="SPA">
<s0>Síndrome respiratorio agudo severo</s0>
<s2>NM</s2>
<s5>07</s5>
</fC03>
<fC03 i1="07" i2="X" l="FRE">
<s0>Virus syndrome respiratoire aigu sévère</s0>
<s2>NW</s2>
<s5>10</s5>
</fC03>
<fC03 i1="07" i2="X" l="ENG">
<s0>Severe acute respiratory syndrome virus</s0>
<s2>NW</s2>
<s5>10</s5>
</fC03>
<fC03 i1="07" i2="X" l="SPA">
<s0>Severe acute respiratory syndrome virus</s0>
<s2>NW</s2>
<s5>10</s5>
</fC03>
<fC03 i1="08" i2="X" l="FRE">
<s0>Réplication</s0>
<s5>11</s5>
</fC03>
<fC03 i1="08" i2="X" l="ENG">
<s0>Replication</s0>
<s5>11</s5>
</fC03>
<fC03 i1="08" i2="X" l="SPA">
<s0>Replicación</s0>
<s5>11</s5>
</fC03>
<fC03 i1="09" i2="X" l="FRE">
<s0>Modèle animal</s0>
<s5>12</s5>
</fC03>
<fC03 i1="09" i2="X" l="ENG">
<s0>Animal model</s0>
<s5>12</s5>
</fC03>
<fC03 i1="09" i2="X" l="SPA">
<s0>Modelo animal</s0>
<s5>12</s5>
</fC03>
<fC03 i1="10" i2="X" l="FRE">
<s0>Souris</s0>
<s5>14</s5>
</fC03>
<fC03 i1="10" i2="X" l="ENG">
<s0>Mouse</s0>
<s5>14</s5>
</fC03>
<fC03 i1="10" i2="X" l="SPA">
<s0>Ratón</s0>
<s5>14</s5>
</fC03>
<fC03 i1="11" i2="X" l="FRE">
<s0>Psychotrope</s0>
<s2>FX</s2>
<s5>26</s5>
</fC03>
<fC03 i1="11" i2="X" l="ENG">
<s0>Psychotropic</s0>
<s2>FX</s2>
<s5>26</s5>
</fC03>
<fC03 i1="11" i2="X" l="SPA">
<s0>Psicotropo</s0>
<s2>FX</s2>
<s5>26</s5>
</fC03>
<fC07 i1="01" i2="X" l="FRE">
<s0>Virose</s0>
</fC07>
<fC07 i1="01" i2="X" l="ENG">
<s0>Viral disease</s0>
</fC07>
<fC07 i1="01" i2="X" l="SPA">
<s0>Virosis</s0>
</fC07>
<fC07 i1="02" i2="X" l="FRE">
<s0>Infection</s0>
</fC07>
<fC07 i1="02" i2="X" l="ENG">
<s0>Infection</s0>
</fC07>
<fC07 i1="02" i2="X" l="SPA">
<s0>Infección</s0>
</fC07>
<fC07 i1="03" i2="X" l="FRE">
<s0>Coronavirus</s0>
<s2>NW</s2>
</fC07>
<fC07 i1="03" i2="X" l="ENG">
<s0>Coronavirus</s0>
<s2>NW</s2>
</fC07>
<fC07 i1="03" i2="X" l="SPA">
<s0>Coronavirus</s0>
<s2>NW</s2>
</fC07>
<fC07 i1="04" i2="X" l="FRE">
<s0>Coronaviridae</s0>
<s2>NW</s2>
</fC07>
<fC07 i1="04" i2="X" l="ENG">
<s0>Coronaviridae</s0>
<s2>NW</s2>
</fC07>
<fC07 i1="04" i2="X" l="SPA">
<s0>Coronaviridae</s0>
<s2>NW</s2>
</fC07>
<fC07 i1="05" i2="X" l="FRE">
<s0>Nidovirales</s0>
<s2>NW</s2>
</fC07>
<fC07 i1="05" i2="X" l="ENG">
<s0>Nidovirales</s0>
<s2>NW</s2>
</fC07>
<fC07 i1="05" i2="X" l="SPA">
<s0>Nidovirales</s0>
<s2>NW</s2>
</fC07>
<fC07 i1="06" i2="X" l="FRE">
<s0>Virus</s0>
<s2>NW</s2>
</fC07>
<fC07 i1="06" i2="X" l="ENG">
<s0>Virus</s0>
<s2>NW</s2>
</fC07>
<fC07 i1="06" i2="X" l="SPA">
<s0>Virus</s0>
<s2>NW</s2>
</fC07>
<fC07 i1="07" i2="X" l="FRE">
<s0>Rodentia</s0>
<s2>NS</s2>
</fC07>
<fC07 i1="07" i2="X" l="ENG">
<s0>Rodentia</s0>
<s2>NS</s2>
</fC07>
<fC07 i1="07" i2="X" l="SPA">
<s0>Rodentia</s0>
<s2>NS</s2>
</fC07>
<fC07 i1="08" i2="X" l="FRE">
<s0>Mammalia</s0>
<s2>NS</s2>
</fC07>
<fC07 i1="08" i2="X" l="ENG">
<s0>Mammalia</s0>
<s2>NS</s2>
</fC07>
<fC07 i1="08" i2="X" l="SPA">
<s0>Mammalia</s0>
<s2>NS</s2>
</fC07>
<fC07 i1="09" i2="X" l="FRE">
<s0>Vertebrata</s0>
<s2>NS</s2>
</fC07>
<fC07 i1="09" i2="X" l="ENG">
<s0>Vertebrata</s0>
<s2>NS</s2>
</fC07>
<fC07 i1="09" i2="X" l="SPA">
<s0>Vertebrata</s0>
<s2>NS</s2>
</fC07>
<fC07 i1="10" i2="X" l="FRE">
<s0>Dérivé de la phénothiazine</s0>
<s5>37</s5>
</fC07>
<fC07 i1="10" i2="X" l="ENG">
<s0>Phenothiazine derivatives</s0>
<s5>37</s5>
</fC07>
<fC07 i1="10" i2="X" l="SPA">
<s0>Fenotiazina derivado</s0>
<s5>37</s5>
</fC07>
<fC07 i1="11" i2="X" l="FRE">
<s0>Pathologie de l'appareil respiratoire</s0>
<s5>38</s5>
</fC07>
<fC07 i1="11" i2="X" l="ENG">
<s0>Respiratory disease</s0>
<s5>38</s5>
</fC07>
<fC07 i1="11" i2="X" l="SPA">
<s0>Aparato respiratorio patología</s0>
<s5>38</s5>
</fC07>
<fC07 i1="12" i2="X" l="FRE">
<s0>Pathologie des poumons</s0>
<s5>39</s5>
</fC07>
<fC07 i1="12" i2="X" l="ENG">
<s0>Lung disease</s0>
<s5>39</s5>
</fC07>
<fC07 i1="12" i2="X" l="SPA">
<s0>Pulmón patología</s0>
<s5>39</s5>
</fC07>
<fN21>
<s1>189</s1>
</fN21>
</pA>
</standard>
</inist>
<affiliations>
<list>
<country>
<li>Hong Kong</li>
<li>États-Unis</li>
</country>
<region>
<li>Utah</li>
</region>
<settlement>
<li>Sha Tin</li>
</settlement>
<orgName>
<li>Université chinoise de Hong Kong</li>
</orgName>
</list>
<tree>
<country name="États-Unis">
<region name="Utah">
<name sortKey="Barnard, Dale L" sort="Barnard, Dale L" uniqKey="Barnard D" first="Dale L." last="Barnard">Dale L. Barnard</name>
</region>
<name sortKey="Bailey, Kevin" sort="Bailey, Kevin" uniqKey="Bailey K" first="Kevin" last="Bailey">Kevin Bailey</name>
<name sortKey="Day, Craig W" sort="Day, Craig W" uniqKey="Day C" first="Craig W." last="Day">Craig W. Day</name>
<name sortKey="Heiner, Matthew" sort="Heiner, Matthew" uniqKey="Heiner M" first="Matthew" last="Heiner">Matthew Heiner</name>
<name sortKey="Jung, Kie Hoon" sort="Jung, Kie Hoon" uniqKey="Jung K" first="Kie-Hoon" last="Jung">Kie-Hoon Jung</name>
<name sortKey="Lauridsen, Larry" sort="Lauridsen, Larry" uniqKey="Lauridsen L" first="Larry" last="Lauridsen">Larry Lauridsen</name>
<name sortKey="Li, Joseph K K" sort="Li, Joseph K K" uniqKey="Li J" first="Joseph K.-K." last="Li">Joseph K.-K. Li</name>
<name sortKey="Montgomery, Robert" sort="Montgomery, Robert" uniqKey="Montgomery R" first="Robert" last="Montgomery">Robert Montgomery</name>
<name sortKey="Sidwell, Robert W" sort="Sidwell, Robert W" uniqKey="Sidwell R" first="Robert W." last="Sidwell">Robert W. Sidwell</name>
</country>
<country name="Hong Kong">
<noRegion>
<name sortKey="Chan, Paul K S" sort="Chan, Paul K S" uniqKey="Chan P" first="Paul K. S." last="Chan">Paul K. S. Chan</name>
</noRegion>
</country>
</tree>
</affiliations>
</record>

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   |texte=   Is the anti-psychotic, 10-(3-(dimethylamino)propyl)phenothiazine (promazine), a potential drug with which to treat SARS infections? Lack of efficacy of promazine on SARS-CoV replication in a mouse model
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