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Acyclovir buccal/ BAYM008894/UI1614773

Phase 3

Recurrent Herpes Labialis | Small molecule | Infectious Disease |Bayer AG|Last Updated: Sep 2, 2025

Success Probability

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Market & Valuation

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Trial Design

RandomizedDouble-BlindPLACEBO_CONTROLLED
Total Trials1
Total Enrollment2,020

FDA Designations

No designations recorded

Clinical trial landscape

Acyclovir buccal/ BAYM008894/UI1614773 · 1 trial · 1 indication

Phase 3 1
NCT05098938A Study to Compare Sitavig (Acyclovir) Buccal Tablet With a Placebo in the Treatment of Herpes Labialis in Participants Whose Immune System Works NormallyRecurrent Herpes Labialis
COMPLETED2,020 Analytics
PHASE3COMPLETED
A Study to Compare Sitavig (Acyclovir) Buccal Tablet With a Placebo in the Treatment of Herpes Labialis in Participants Whose Immune System Works Normally
Recurrent Herpes LabialisUnlock trial analytics

Study Endpoints

Primary Endpoints

Duration of Episode (DOE) Was Measured in Hours (Using the Science 37 Platform), of a Single Treated Herpes Labialis (HL) Lesion
Up to 14 days

Duration of episode (DOE) is defined as the time from the initiation of treatment (study intervention) to the healing of primary lesions (loss of crust) for participants who experience a vesicular lesion. For participants whose primary lesions are not vesicular in nature, duration of episode is the time from study intervention initiation to the return to normal skin as determined by the independent blinded reader of the participant's face images using a 6-point Likert scale or to the cessation of symptoms, whichever comes last.

Secondary Endpoints

Incidence of Aborted Lesions
Up to 14 days
Incidence of Recurrence of HL Lesions During the 12-months Follow-up Period
Up to 12 months
Time to Recurrence of HL Lesions, Measured in Days From Resolution of the Cold Sore Treated in the Treatment Phase Until Onset of Prodromal Symptoms
Up to 12 months
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Study Design & Arms

AllocationRANDOMIZED
MaskingQUADRUPLE
ModelPARALLEL
PurposeTREATMENT

Treatment Arms

ArmTypeDescription
Acyclovir 50mg buccal/topical tablet treatment groupEXPERIMENTAL -
Matching placebo groupPLACEBO_COMPARATOR -

Interventions

NameTypeDescription
Acyclovir 50mg buccal/topical tablet, BAYM008894/UI1614773DRUGOral (upper gum area), 50mg, 1 tablet.
PlaceboDRUGOral (upper gum area), 1 table.
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Eligibility Criteria

Age Range18 Years to N/A
SexALL
Healthy VolunteersNo
Study Sites1

Inclusion Criteria: * Males or females, 18 years of age or older inclusive; * History of recurrent HL lesions where: * Recurrence is defined as at least 4 episodes in the preceding 12 months; * At least half of the episodes should be vesicular in nature; * At least half of the episodes shoul...

Countries:United States
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