Pharmacokinetics and safety of fentanyl sublingual spray and fentanyl citrate intravenous: a single ascending dose study in opioid-naïve healthy volunteers

2017 ◽  
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pp. 1915-1920 ◽  
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D. Alexander Oh ◽  
Neha Parikh ◽  
Christian Koch ◽  
Neil Singla ◽  
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2020 ◽  
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Krista M Phipps ◽  
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Fanni Natanegara ◽  
Eden Cheng ◽  
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2017 ◽  
Vol 33 (11) ◽  
pp. 1921-1933 ◽  
Author(s):  
Richard L. Rauck ◽  
D. Alexander Oh ◽  
Neil Singla ◽  
Christian Koch ◽  
Neha Parikh ◽  
...  

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Kenneth M. Attie ◽  
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ABSTRACT ST-246 is a novel, potent orthopoxvirus egress inhibitor that is being developed to treat pathogenic orthopoxvirus infections of humans. This phase I, double-blind, randomized, placebo-controlled single ascending dose study (first time with humans) was conducted to determine the safety, tolerability, and pharmacokinetics of ST-246 in healthy human volunteers. ST-246 was administered in single oral doses of 500, 1,000, and 2,000 mg to fasting healthy volunteers and 1,000 mg to nonfasting healthy volunteers. ST-246 was generally well tolerated with no serious adverse events, and no subject was withdrawn from the study due to ST-246. The most commonly reported drug-related adverse event was neutropenia, which was found, upon further analysis, not to be treatment related. ST-246 was readily absorbed following oral administration with mean times to maximum concentration from 2 h to 3 h. Absorption was greater in nonfasting volunteers than in fasting volunteers. Administration of ST-246 resulted in exposure levels predicted to be sufficient for inhibiting orthopoxvirus replication compared to exposure levels in nonhuman primates in which ST-246 protected animals from lethal orthopoxvirus infection.


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