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V330

Phase 1

Healthy | Monoclonal antibody | Other |Merck & Company, Inc.|Last Updated: Nov 3, 2025

Success Probability

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Market & Valuation

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Trial Design

RandomizedDouble-BlindCONTROLLED
Total Trials1
Total Enrollment245

FDA Designations

No designations recorded

Clinical trial landscape

V330 · 1 trial · 1 indication

Phase 1 1
NCT06630117A Study of V330 in Healthy Younger (18 to 49 Years Inclusive) and Healthy Older (60 to 79 Years Inclusive) Participants (V330-001)Healthy
COMPLETED245 Analytics
PHASE1COMPLETED
A Study of V330 in Healthy Younger (18 to 49 Years Inclusive) and Healthy Older (60 to 79 Years Inclusive) Participants (V330-001)
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Study Endpoints

Primary Endpoints

Number of Participants with Solicited Injection Site Adverse Events (AEs)
Up to approximately 7 days after each vaccination

An AE is any untoward medical occurrence in a patient or clinical study participant, temporally associated with the use of study intervention, whether or not considered related to the study intervention. Solicited injection site AEs will be recorded on a vaccination report card (VRC).

Number of Participants with Solicited Systemic AEs
Up to approximately 7 days after each vaccination

An AE is any untoward medical occurrence in a patient or clinical study participant, temporally associated with the use of study intervention, whether or not considered related to the study intervention. Solicited systemic AEs will be recorded on a VRC.

Number of Participants with Solicited Local AEs of Axillary Lymphadenopathy
Up to approximately 28 days after each vaccination

An AE is any untoward medical occurrence in a patient or clinical study participant, temporally associated with the use of study intervention, whether or not considered related to the study intervention. Participants will be assessed for local AEs related to axillary lymphadenopathy.

Number of Participants with Immediate AEs Following Vaccinations
Up to approximately 30 minutes after each vaccination

An AE is any untoward medical occurrence in a patient or clinical study participant, temporally associated with the use of study intervention, whether or not considered related to the study intervention. Participants will be observed following vaccination for immediate AEs.

Number of Participants with Unsolicited AEs
Up to approximately 28 days after each vaccination

An AE is any untoward medical occurrence in a patient or clinical study participant, temporally associated with the use of study intervention, whether or not considered related to the study intervention. Unsolicited AEs will be recorded on a VRC.

Number of Participants with Serious AEs
Up to approximately 6 months after final vaccination

A serious adverse event (SAE) is an AE that results in death, is life threatening, results in a persistent or significant disability or incapacity, results in or prolongs an existing hospitalization, is a congenital anomaly or birth defect, is a cancer, is an overdose, or is another important medical event.

Number of Participants with Medically Attended Adverse Events (MAAEs)
Up to approximately 6 months after final vaccination

A MAAE is an AE in which medical attention is received during an unscheduled, non-routine outpatient visit, such as an emergency department visit, office visit, or an urgent care visit with any medical personnel for any reason. Routine visits are not considered MAAEs.

Number of Participants with Events of Clinical Interest (ECIs)
Up to approximately 6 months after final vaccination

ECIs are selected serious and nonserious AEs which include but are not limited to: 1) an elevated aspartate aminotransferase or alanine aminotransferase value greater than or equal to three times the upper limit of normal (ULN) and an elevated bilirubin value of greater than two times the ULN and, at the same time, an alkaline phosphatase value of less than two times the ULN, 2) an overdose of V330.

Secondary Endpoints

Geometric Mean Titers (GMT) of Histo-Blood Group Antigen (HBGA) Blocking Antibodies Against Vaccine-matched Norovirus (NoV) Genotypes
Up to 28 days post vaccination
GMT of IgG Antibodies Response Against Vaccine-matched NoV Genotypes
Up to 28 days post vaccination
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Study Design & Arms

AllocationRANDOMIZED
MaskingDOUBLE
ModelSEQUENTIAL
PurposeBASIC_SCIENCE

Treatment Arms

ArmTypeDescription
Dose Escalation Panel AEXPERIMENTALParticipants 18 to 49 years old will be randomized to receive V330 dose level (DL) 1 or placebo via intramuscular injection on Day 1 and Day 57.
Dose Escalation Panel BEXPERIMENTALParticipants 18 to 49 years old will be randomized to receive V330 DL 3 or placebo via intramuscular injection on Day 1 and Day 57.
Dose Escalation Panel CEXPERIMENTALParticipants 18 to 49 years old will be randomized to receive V330 DL 6 or placebo via intramuscular injection on Day 1 and Day 57.
Dose Expansion Panel DEXPERIMENTALParticipants 18 to 49 years old will be randomized to receive a selected dose of V330 at less than or equal to DL 6 or placebo via intramuscular injection on Day 1.
Dose Expansion Panel EEXPERIMENTALParticipants 18 to 49 years old will be randomized to receive a selected dose of V330 at less than or equal to DL 6 or placebo via intramuscular injection on Day 1.
Dose Escalation Panel FEXPERIMENTALParticipants 60 to 79 years old will be randomized to receive V330 DL 1 or placebo via intramuscular injection on Day 1.
Dose Escalation Panel GEXPERIMENTALParticipants 60 to 79 years old will be randomized to receive V330 DL 3 or placebo via intramuscular injection on Day 1.
Dose Escalation Panel HEXPERIMENTALParticipants 60 to 79 years old will be randomized to receive V330 DL 6 or placebo via intramuscular injection on Day 1.
Dose Expansion Panel IEXPERIMENTALParticipants 60 to 79 years old will be randomized to receive a selected dose of V330 at less than or equal to DL 6 or placebo via intramuscular injection on Day 1.
Dose Expansion Panel JEXPERIMENTALParticipants 60 to 79 years old will be randomized to receive a selected dose of V330 at less than or equal to DL 6 or placebo via intramuscular injection on Day 1.
Dose Escalation Panel A1EXPERIMENTALParticipants 18 to 49 years old will be randomized to receive V330 DL 2 or placebo via intramuscular injection on Day 1.
Dose Escalation Panel B1EXPERIMENTALParticipants 18 to 49 years old will be randomized to receive V330 DL 5 or placebo via intramuscular injection on Day 1.
Dose Escalation Panel F1EXPERIMENTALParticipants 60 to 79 years old will be randomized to receive V330 DL 2 or placebo via intramuscular injection on Day 1.
Dose Escalation Panel G1EXPERIMENTALParticipants 60 to 79 years old will be randomized to receive V330 DL 5 or placebo via intramuscular injection on Day 1.
Dose Escalation Panel H1EXPERIMENTALParticipants 60 to 79 years old will be randomized to receive V330 DL 4 or placebo via intramuscular injection on Day 1.

Interventions

NameTypeDescription
V330BIOLOGICALIntramuscular injection
PlaceboBIOLOGICALIntramuscular injection
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Eligibility Criteria

Age Range18 Years to 79 Years
SexALL
Healthy VolunteersYes
Study Sites4

Inclusion Criteria: The key inclusion criteria include but are not limited to the following: * Is in good health prior to randomization * Is an individual from 18 to 49 years of age inclusive or from 60 to 79 years of age inclusive Exclusion Criteria: The key exclusion criteria include but are n...

Countries:United States
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Frequently asked questions about V330

What is V330?

V330 is an investigational monoclonal antibody being developed by Merck & Company, Inc. (MRK). It is currently in Phase 1 clinical development. V330 is being studied in healthy participants, including younger adults aged 18 to 49 years and older adults aged 60 to 79 years.

What is V330 used for?

V330 is being studied for use in healthy participants. It is an investigational monoclonal antibody in Phase 1 clinical development. The drug is being evaluated in a clinical trial involving healthy younger and older adults to assess its safety and tolerability.

Who makes V330?

V330 is being developed by Merck & Company, Inc., which is publicly traded under the ticker symbol MRK. The company is conducting clinical trials to evaluate the safety and tolerability of V330 in healthy participants.

What phase is V330 in?

V330 is in Phase 1 clinical development. It is an investigational drug and has not been approved by regulatory authorities. The drug is being studied in a completed Phase 1 trial involving healthy participants.

What clinical trials is V330 in?

V330 has one completed clinical trial, identified as NCT06630117. This Phase 1 study, titled 'A Study of V330 in Healthy Younger (18 to 49 Years Inclusive) and Healthy Older (60 to 79 Years Inclusive) Participants (V330-001),' enrolled 245 participants in the United States. The trial was randomized, double-blind, and controlled.