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Lersivirine

Phase 1

Healthy Volunteers | Small molecule | Other |Pfizer, Inc.|Last Updated: May 17, 2011

Success Probability

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Market & Valuation

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Trial Design

RandomizedACTIVE_CONTROLLED
Total Trials4
Total Enrollment171

FDA Designations

No designations recorded

Clinical trial landscape

Lersivirine · 4 trials · 1 indication

Phase 1 4
NCT01230385Safety And Tolerability Of Multiple Dose Lersivirine For 21 Days In Healthy SubjectsHealthy Volunteers
COMPLETED75 Analytics
NCT00925535Drug Interaction Study Between Rifabutin And Lersivirine (UK-453,061)Healthy Volunteers
COMPLETED18 Analytics
NCT01050751Bioavailability Of Lersivirine Single 750 Mg Tablet Versus 3 X 250 Mg TabletsHealthy Volunteers
COMPLETED12 Analytics
NCT00936871The Effect Of Lersivirine (UK-453,061) On Qt Intervals In Healthy SubjectsHealthy Volunteers
COMPLETED66 Analytics
PHASE1COMPLETED
Safety And Tolerability Of Multiple Dose Lersivirine For 21 Days In Healthy Subjects
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PHASE1COMPLETED
Drug Interaction Study Between Rifabutin And Lersivirine (UK-453,061)
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PHASE1COMPLETED
Bioavailability Of Lersivirine Single 750 Mg Tablet Versus 3 X 250 Mg Tablets
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PHASE1COMPLETED
The Effect Of Lersivirine (UK-453,061) On Qt Intervals In Healthy Subjects
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Study Endpoints

Primary Endpoints

Number of participants with adverse events as a measure of safety and tolerability of multiple doses of lersivirine administered to healthy subjects over 21 days.
21 days
Lersivirine plasma pharmacokinetic parameters: AUC24, Cmax, Tmax, and C24h
20 days
Rifabutin and 25-O-desacetyl-rifabutin plasma pharmacokinetic parameters: AUC24, Cmax, Tmax, and C24h
20 days
To estimate the bioavailability of 1 x 750 mg lersivirine tablet compared to 3 x 250 mg lersivirine tablets.
7 days
(Part A) To evaluate the safety and toleration of a single dose of lersivirine in healthy male and female subjects.
1 day
(Part B) To demonstrate a lack of effect of lersivirine on QTc relative to time-matched placebo.
3 days

Secondary Endpoints

Lersivirine plasma pharmacokinetic parameter: AUC24, Cmax, C24, and Tmax on Day 7
21 days
Safety and toleration assessed by spontaneous reporting of adverse events, vital signs, 12 lead ECG and laboratory safety assessments
58 days
To investigate the safety and tolerability of both single oral 750 mg (3 x 250 mg and 1 x 750 mg) dose of lersivirine.
7 days
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Study Design & Arms

AllocationRANDOMIZED
MaskingNONE
ModelPARALLEL
PurposeTREATMENT

Treatment Arms

ArmTypeDescription
Lersivirine 500 mg QD fasted (wet granulated tablet)EXPERIMENTAL -
Lersivirine 500 mg QD fed (wet granulated tablet)EXPERIMENTAL -
Lersivirine 750 mg QD fasted (wet granulated tablet)EXPERIMENTAL -
Lersivirine 750 mg QD fed (wet granulated tablet)EXPERIMENTAL -
Lersivirine 500 mg QD fasted (dry granulated tablet)ACTIVE_COMPARATOR -
Treatment AACTIVE_COMPARATORLersivirine
Treatment BACTIVE_COMPARATORRifabutin
Treatment CEXPERIMENTALLersivirine and Rifabutin
Lersivirine (new formulation)EXPERIMENTAL -
Lersivirine (old formulation)ACTIVE_COMPARATOR -
Part AEXPERIMENTALLersivirine Tolerability
Part BEXPERIMENTALThorough QTc

Interventions

NameTypeDescription
LersivirineDRUGLersivirine 500 mg QD fasted (wet granulated tablet) for 21 days
RifabutinDRUG300 mg once daily for 10 days
PlaceboDRUGPlacebo single dose
Lersivirine (if necessary)DRUGLersivirine 2100 mg single dose (if necessary)
MoxifloxacinDRUGMoxifloxacin 400 mg single dose
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Eligibility Criteria

Age Range18 Years to 55 Years
SexALL
Healthy VolunteersYes
Study Sites2

Inclusion Criteria: * Healthy male and/or female subjects. * Body Mass Index (BMI) of 17.5 to 30.5 kg/m2; and a total body weight \>50 kg (110 lbs). * Subjects who are willing and able to comply with scheduled visits, treatment plan, laboratory tests, and other study procedures. Exclusion Criteria...

Countries:United StatesBelgiumSingapore
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Frequently asked questions about Lersivirine

What is Lersivirine used for?

Lersivirine is an investigational small molecule being studied in healthy volunteers. It is being developed by Pfizer, Inc. and is currently in Phase 1 clinical development. The drug has been evaluated in four completed clinical trials with a total enrollment of 171 participants.

Who makes Lersivirine?

Lersivirine is being developed by Pfizer, Inc., a biopharmaceutical company listed on the New York Stock Exchange under the ticker symbol PFE. The drug is currently in Phase 1 clinical development and has been studied in healthy volunteers.

What phase is Lersivirine in?

Lersivirine is in Phase 1 clinical development. It is an investigational drug and has not been approved by regulatory authorities. The drug has completed four Phase 1 clinical trials, all of which were conducted in healthy volunteers.

What clinical trials is Lersivirine in?

Lersivirine has been studied in four completed Phase 1 clinical trials: NCT00925535, a drug interaction study with rifabutin; NCT00936871, a study on QT intervals; NCT01050751, a bioavailability study; and NCT01230385, a safety and tolerability study. All trials enrolled healthy volunteers.

Is Lersivirine the same as UK-453,061?

Yes, Lersivirine is also known as UK-453,061. The clinical trials for Lersivirine, including NCT00925535 and NCT00936871, reference UK-453,061 in their titles, confirming that these names refer to the same investigational drug.