Recent Updates
Recently added Catalysts

Fluzone HD influenza vaccine

Phase 1

Healthy Participants | Monoclonal antibody | Other |Cidara Therapeutics, Inc.|Last Updated: Mar 24, 2026

Success Probability
Approval Probability 71%
TA Base Rate26%
Adjusted LOA41%
ML RiskLOW_RISK
Premium
Market & Valuation
rNPV $3.2B
Market Size $9.4B
Revenue Basis $1.6B
Competitors 6
Premium
Trial Design
RandomizedDouble-BlindPLACEBO_CONTROLLEDBiomarker
Total Trials1
Total Enrollment100
FDA Designations
No designations recorded
Clinical Trials (1)
NCT IDTitlePhaseStatusEnrollmentVelocityDesignStartCompletionLast UpdatedSitesCountries
NCT07300085A Trial to Evaluate the Effect of CD388 on the Immunogenicity of Fluzone® HD VaccinePHASE1 ACTIVE NOT_RECRUITING 100Nov 8, 2025Dec 1, 2026Mar 24, 20262 United States
Unlock Drug Trial Details
Study Endpoints
Primary Endpoints
Immune Responses in Participants Receiving Concomitant Fluzone HD and CD388 Compared to Participants Who Receive Fluzone HD and Placebo
On Day 1 (pre-intervention baseline), Day 15 (±1 day), and Day 29/End of Trial (EOT) (±2 days)

Evaluation of immune responses at 2- and 4-weeks post intervention measured by hemagglutinin inhibition (HAI) titers (geometric mean titers \[GMTs\] and seroconversion rates) against the influenza strains contained in the vaccine among participants receiving concomitant Fluzone HD influenza vaccine and CD388 compared to participants who receive Fluzone HD and placebo for CD388.

Secondary Endpoints
Incidence and Severity of Treatment-Emergent Adverse Events (TEAEs) in Participants Receiving Concomitant Fluzone HD and CD388 Compared to Participants Who Receive Fluzone HD and Placebo
From Day 1 through Day 29/EOT after concomitant intervention administration
Unlock Study Endpoints
Study Design & Arms
AllocationRANDOMIZED
MaskingQUADRUPLE
ModelPARALLEL
PurposePREVENTION
Treatment Arms
ArmTypeDescription
Fluzone HD plus CD388EXPERIMENTALParticipants will be randomized to receive open-label Fluzone HD influenza vaccine by intramuscular (IM) injection plus CD388 450 milligrams (mg) by subcutaneous (SQ) injection. Participants will be randomized at a 1:1 ratio between the 2 arms.
Fluzone HD plus PlaceboPLACEBO_COMPARATORParticipants will be randomized to receive open-label Fluzone HD influenza vaccine by IM injection plus placebo by SQ injection. Participants will be randomized at a 1:1 ratio between the 2 arms.
Interventions
NameTypeDescription
Fluzone HD influenza vaccineBIOLOGICALFluzone HD injectable suspension, 2025-2026 Formula
CD388 InjectionCOMBINATION_PRODUCTCD388 liquid for injection
PlaceboCOMBINATION_PRODUCTPlacebo to match
Unlock Study Design Details
Eligibility Criteria
Age Range18 Years — 49 Years
SexALL
Healthy VolunteersYes
Study Sites2

Inclusion Criteria: 1. Be ≥ 18 to ≤ 49 years of age at the time of signing the informed consent. 2. Be able to understand and comply with the trial procedures, understand the risks involved in the trial, and provide written informed consent before the first trial-specific procedure. 3. Be deemed he...

Countries:United States
Unlock Eligibility Criteria
Recent Changes (Last 90 Days)
LOWMay 26, 2026NCT07300085primaryCompletionDate: changed
LOWMay 24, 2026NCT07300085studyFirstPostDate: changed