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VAC85135

Phase 1

Myeloproliferative Neoplasms | Monoclonal antibody | Oncology |Johnson & Johnson|Last Updated: Jul 20, 2025

Success Probability

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Market & Valuation

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Trial Design

CONTROLLED
Total Trials1
Total Enrollment14

FDA Designations

No designations recorded

Clinical trial landscape

VAC85135 · 1 trial · 1 indication

Phase 1 1
NCT05444530A Study of VAC85135, a Neoantigen Vaccine Regimen, Concurrently Administered With Ipilimumab for the Treatment of Myeloproliferative NeoplasmsMyeloproliferative Neoplasms
COMPLETED14 Analytics
PHASE1COMPLETED
A Study of VAC85135, a Neoantigen Vaccine Regimen, Concurrently Administered With Ipilimumab for the Treatment of Myeloproliferative Neoplasms
Myeloproliferative NeoplasmsUnlock trial analytics

Study Endpoints

Primary Endpoints

Number of Participants With Dose-limiting Toxicity (DLT)
Baseline (Day 1) up to Day 78

Number of participants with a DLT will be reported. The DLTs are specific adverse events and are defined as any of the following: high grade non-hematologic toxicity, or hematologic toxicity. Toxicities will be graded for severity according to the National Cancer Institute-Common Terminology Criteria for Adverse Events (NCI-CTCAE) Version 5.0.

Number of Participants With Adverse Events (AEs) and Serious Adverse Events (SAEs)
Up to 79 weeks

Number of participants with AEs will be reported. An AE is any untoward medical occurrence in a clinical study participant administered a pharmaceutical product. AEs will be graded as Grade 1: Mild- asymptomatic or mild symptoms; clinical or diagnostic observations only; intervention not indicated; Grade 2: Moderate- minimal, local or noninvasive intervention indicated; limiting age-appropriate instrumental activities of daily living (ADL); Grade 3: Severe or medically significant but not immediately life-threatening; hospitalization or prolongation of hospitalization indicated; disabling; limiting self-care activities of daily living; Grade 4- Life-threatening consequences- urgent intervention indicated; Grade 5: Death related to AE.

Secondary Endpoints

Number of Participants With Antigen-specific T-cell response
Up to end of treatment (EOT) (Up to 64 weeks)
Number of Participants With Overall Response per Revised Response Criteria by the International Working Group-Myeloproliferative Neoplasms Research and Treatment (IWG-MRT) and European LeukemiaNet (ELN) Consensus Report
Up to 79 weeks
Number of Participants Disease Response at Weeks 24, 48 and End of Treatment (EOT) per Modified IWG-MRT Criteria
Weeks 24, 48 and EOT (64 weeks)
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Study Design & Arms

AllocationNON_RANDOMIZED
MaskingNONE
ModelSEQUENTIAL
PurposeTREATMENT

Treatment Arms

ArmTypeDescription
Dose EscalationEXPERIMENTALParticipants with essential thrombocythemia (ET) and myelofibrosis (MF) will receive VAC85135 target dose intramuscular (IM) injection in the safety lead-in cohort (Cohort 0). Participants in subsequent cohorts will receive VAC85135 target dose IM injection along with ipilimumab intravenous (IV) infusion. Ipilimumab dose may be escalated based on dose limiting toxicity (DLT) observations.
Dose ExpansionEXPERIMENTALParticipants with polycythemia vera (PV) or post-polycythemia vera myelofibrosis, ET and MF will receive VAC85135 target dose IM injection with ipilimumab IV infusion at the dose(s) determined by study evaluation team (SET).

Interventions

NameTypeDescription
VAC85135BIOLOGICALParticipants will receive VAC85135 as IM injection.
IpilimumabDRUGParticipants will receive Ipilimumab as IV infusion.
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Eligibility Criteria

Age Range18 Years to N/A
SexALL
Healthy VolunteersNo
Study Sites7

Inclusion Criteria: * Be positive for a CALR (calreticulin) mutation: Type 1 or Type 2; Type 1-like, or Type 2-like may be considered with Sponsor approval; or positive for the JAK2V617F (Janus kinase 2 with valine 617 to phenylalanine mutation) mutation with HLA-A02:01 (human leukocyte antigens) p...

Countries:United StatesUnited Kingdom
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Frequently asked questions about VAC85135

What is VAC85135 used for?

VAC85135 is an investigational monoclonal antibody being studied for the treatment of myeloproliferative neoplasms, a group of blood cancers. It is currently in Phase 1 clinical development and has not been approved by the FDA.

Who makes VAC85135?

VAC85135 is being developed by Johnson & Johnson, a company traded on the New York Stock Exchange under the ticker JNJ. The drug is currently in Phase 1 clinical trials for myeloproliferative neoplasms.

What phase is VAC85135 in?

VAC85135 is in Phase 1 clinical development. It is an investigational drug and has not been approved by regulatory authorities. One Phase 1 trial has been completed, involving 14 participants with myeloproliferative neoplasms.

What clinical trials is VAC85135 in?

VAC85135 has one completed clinical trial, NCT05444530, which was a Phase 1 study of VAC85135 administered concurrently with ipilimumab for the treatment of myeloproliferative neoplasms. The trial enrolled 14 participants in the United States and United Kingdom.

Is VAC85135 the same as a neoantigen vaccine?

VAC85135 is described in clinical trial NCT05444530 as a neoantigen vaccine regimen. It is a monoclonal antibody being studied in combination with ipilimumab for myeloproliferative neoplasms, and it is currently in Phase 1 development.