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MV-LASV

Phase 1

Lassa Virus Infection | Monoclonal antibody | Other |Harmony Biosciences Holdings, Inc.|Last Updated: Jul 11, 2025

Success Probability
Approval Probability 71%
TA Base Rate26%
Adjusted LOA41%
ML RiskLOW_RISK
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Market & Valuation
rNPV $3.2B
Market Size $9.4B
Revenue Basis $1.6B
Competitors 6
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Trial Design
RandomizedDouble-BlindPLACEBO_CONTROLLEDDMCBiomarker
Total Trials1
Total Enrollment60
FDA Designations
No designations recorded
Clinical Trials (1)
NCT IDTitlePhaseStatusEnrollmentVelocityDesignStartCompletionLast UpdatedSitesCountries
NCT04055454A Trial to Evaluate the Optimal Dose of MV-LASV (V182-001)PHASE1 COMPLETED 60Sep 26, 2019Jan 15, 2021Jul 11, 20251 Belgium
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Study Endpoints
Primary Endpoints
Rate of solicited and unsolicited Adverse Events (AEs)
56 days

Rate of solicited and unsolicited adverse events (AEs) during the treatment period up to day 56

Secondary Endpoints
Rate of Serious Adverse Events (SAEs)
365 days
Cell-mediated immunity as confirmed by the presence of functional CD4+ and CD8+ T-cells
56 days
Measurement of anti-LASV antibodies determined by Enzyme-linked Immunosorbent Assay (ELISA)
56 days
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Study Design & Arms
AllocationRANDOMIZED
MaskingQUADRUPLE
ModelPARALLEL
PurposeTREATMENT
Treatment Arms
ArmTypeDescription
MV-LASV low dose: treatment group AEXPERIMENTALIn total 24 participants will receive two low dose treatments with MV-LASV on day 0 and 28.
MV-LASV high dose: treatment group BEXPERIMENTALIn total 24 participants will receive two high dose treatments with MV-LASV on day 0 and 28.
Placebo: treatment group CPLACEBO_COMPARATORIn total 12 participants will receive placebo treatment on day 0 and 28.
Interventions
NameTypeDescription
MV-LASVBIOLOGICALThe MV-LASV vaccine candidate is a recombinant live attenuated viral vectored vaccine, based on the backbone of the measles Schwarz virus strain for prophylaxis of Lassa infection and will be administered in two different dose levels by intra muscular (i.m.) injection.
PlaceboOTHERA sterile physiological saline solution will be used as placebo to ensure blinding of the treatment with low dose MV-LASV and placebo within treatment group A. Additionally, the Placebo will be used as a control arm to enable comparison of treatment reactions within treatment groups B and C.
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Eligibility Criteria
Age Range18 Years — 55 Years
SexALL
Healthy VolunteersYes
Study Sites1

Inclusion Criteria: 1. Signed informed consent obtained before any trial-related activities 2. Healthy men or women aged 18 to ≤ 55 years on the day of consenting 3. Ability to comprehend the full nature and purpose of the study, including possible risks and side effects; ability to cooperate with ...

Countries:Belgium
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