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A Study of VAC85135, a Neoantigen Vaccine Regimen, Concurrently Administered With Ipilimumab for the Treatment of Myeloproliferative Neoplasms

Janssen (J&J Innovative Medicine) logo

Janssen (J&J Innovative Medicine)

Status and phase

Active, not recruiting
Phase 1

Conditions

Myeloproliferative Neoplasms

Treatments

Drug: Ipilimumab
Biological: VAC85135

Study type

Interventional

Funder types

Industry

Identifiers

NCT05444530
2022-501913-30-00 (Registry Identifier)
CR109149
2021-006033-20 (EudraCT Number)
VAC85135MPN1001 (Other Identifier)

Details and patient eligibility

About

The purpose of this study is to evaluate the safety of VAC85135 administered with ipilimumab for the treatment of myeloproliferative neoplasms (MPNs).

Enrollment

14 patients

Sex

All

Ages

18+ years old

Volunteers

No Healthy Volunteers

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) per medical history or local testing
  • Have an Eastern Cooperative Oncology Group (ECOG) performance status grade of 0 or 1 or 2
  • Have the following hematologic laboratory values: Leukocytes greater than or equal to (>=) 1.5*10^9 per liter, Neutrophils >=1.0*10^9 per liter, Platelets >=20*10^9 per liter, Hemoglobin greater than (>) 7 gram per deciliter (g/dL)
  • Have the following chemistry laboratory values: Alanine aminotransferase (ALT): less than or equal to (<=) 3*upper limit of normal (ULN), Aspartate aminotransferase (AST): <=3*ULN, Total bilirubin: <=1.5*ULN, and glomerular filtration rate >=40 milliliter per minute (mL/min)
  • A female participant of childbearing potential must agree to all the following during the study and for 6 months after the last dose of study treatment: use a barrier method of contraception, use a highly effective preferably user-independent method of contraception, not to donate eggs (ova, oocytes) or freeze for future use for the purposes of assisted reproduction, not plan to become pregnant, not to breast-feed
  • A male participant must agree to all the following during the study and for 90 days after the last dose of study treatment: wear a condom when engaging in any activity that allows for passage of ejaculate to another person, not to father a child, not to donate sperm or freeze for future use for the purpose of reproduction

Exclusion criteria

  • History of any significant medical condition per investigators judgment (example: severe asthma/chronic obstructive pulmonary disease (COPD), poorly regulated heart condition, insulin dependent diabetes mellitus)
  • Serious known clinically relevant allergies or earlier anaphylactic reactions
  • Currently pregnant or breastfeeding
  • Prior treatment with any Janus kinase 1/2 (JAK1/2) inhibitor
  • Known sensitivity or contraindications to the use of Ipilimumab per local prescribing information

Trial design

Primary purpose

Treatment

Allocation

Non-Randomized

Interventional model

Sequential Assignment

Masking

None (Open label)

14 participants in 2 patient groups

Dose Escalation
Experimental group
Description:
Participants 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.
Treatment:
Biological: VAC85135
Drug: Ipilimumab
Dose Expansion
Experimental group
Description:
Participants 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).
Treatment:
Biological: VAC85135
Drug: Ipilimumab

Trial contacts and locations

7

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Central trial contact

Study Contact

Data sourced from clinicaltrials.gov

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