Recruiting
Phase 2

Observational Study

Sponsor:

Multiple Myeloma Research Consortium

Code:

NCT07053436

Conditions

High Risk Newly Diagnosed Multiple Myeloma

Eligibility Criteria

Sex: All

Age: 18+

Healthy Volunteers: Not accepted

Interventions

Bispecific Monoclonal Antibody and Triplet Therapy

Monoclonal Antibody with Stem Cell Transplant

Study Details

Brief summary:

The Multiple Myeloma Research Consortium (MMRC) Horizon Two trial is a master protocol, multi-center, phase II randomized adaptive platform trial designed to efficiently evaluate multiple investigational therapies in high-risk newly diagnosed multiple myeloma patients using an integrated and patient-centric clinical research platform that enables longitudinal learning and sharing of knowledge and investigates multiple novel therapeutic strategies within one trial platform.

Conditions

High Risk Newly Diagnosed Multiple Myeloma

Study ID

NCT07053436

Start date

Apr 30, 2026

Status verified date

May, 2026

Completion date

Oct 12, 2035

Anticipated

Primary completion date

Oct 1, 2035

Anticipated

Eligibility Criteria

Eligibility Criteria

Sex: All

Age: 18+

Healthy Volunteers: Not accepted

Inclusion Criteria:

  • Voluntarily agree to participate by giving written informed consent

-≥18 years of age
  • Symptomatic and transplant eligible newly diagnosed multiple myeloma histologically confirmed per IMWG criteria that is high-risk as defined by at least one of the following:

  • Del(17p) (CCF ≥ 20%, by analyses conducted on CD138-positive/purified cells) and/or TP53 mutation assessed by NGS
  • One of these translocations-t(4;14) or t(14;16) or t(14;20)-co-occurring with +1q and/or del(1p32)
  • Monoallelic del(1p32) along with +1q, or biallelic del(1p32)
  • High β2M (≥5.5 mg/dL) with normal creatinine (<1.2 mg/dL)
  • Presence of extra-medullary disease non-contiguous with bone at diagnosis (by PET-CT or Whole Body MRI)
  • Primary plasma cell leukemia (circulating plasma cells > 5% at diagnosis)
  • No more than 2 cycles of NCCN listed induction therapy for multiple myeloma
  • Measurable disease, per IMWG criteria, at time of diagnosis defined as one of the following:

  • Serum M-protein at diagnosis ≥ 0.5g/dL (0.3 g/dL or above if IgA subtype)
  • Urine M-protein ≥ 200 mg/24hours
  • Serum free light chain difference > 100 mg/L
  • Plasmacytoma ≥ 2cm
  • Bone marrow involvement ≥ 30%
  • ECOG performance status of 0-2
  • Adequate organ function, as indicated by the following laboratory values:

  • Adequate hematological function, defined as ANC ≥ 1000/µL, platelet count ≥ 75,000/µL, and hemoglobin ≥ 8 g/dL (transfusion and/or growth factor support is allowed for hematologic parameters as long as the investigator deems the patient otherwise fit for screening)
  • Adequate hepatic function, defined as total bilirubin level ≤ 1.5 x institutional upper limit of normal (IULN) except in participants with congenital bilirubinemia, such as Gilbert syndrome (in which case direct bilirubin ≤1.5 x IULN is required), AST ≤ 2.5 x IULN, and ALT ≤ 2.5 x IULN
  • Adequate renal function, defined as calculated creatinine clearance ≥ 30 mL/min per institutional standard (assessment method should be recorded, measured or C-G acceptable)
  • Persons of childbearing potential must have a negative serum pregnancy test at screening (within 72 hours of first dose of trial medication). Non-childbearing potential for a person assigned as female at birth is defined as 1 of the following:

--≥ 45 years of age and has not had menses for >1 year
  • Amenorrheic for > 2 years without a hysterectomy and/or oophorectomy and follicle-stimulating hormone value in the postmenopausal range upon pretrial (screening) evaluation
  • Status is post-hysterectomy, -oophorectomy, or -tubal ligation
  • Persons of childbearing potential must be willing to use highly effective contraceptive measures during sexual contact with a person assigned as male at birth starting with the Screening visit through 90 days after last dose of trial medication.

--Note: Abstinence is acceptable if this is the established and preferred contraception for the participant.
  • Persons assigned as male at birth with a partner(s) of childbearing potential must agree to use highly effective contraceptive measures throughout the trial starting with the Screening visit through 90 days after the last dose of trial medication is received. Persons assigned as male at birth with pregnant partners must agree to use a condom; no additional method of contraception is required for the pregnant partner.

--Note: Abstinence is acceptable if this is the established and preferred contraception method for the participant.
  • Known history or current symptoms of cardiac disease, or history of treatment with cardiotoxic agents, should have a clinical risk assessment of cardiac function using New York Heart Association Functional Classification. To be eligible for this trial, participants should be Class 2 or better. Class 2 is defined as slight limitation of physical activity, in which ordinary physical activity leads to fatigue, palpitation, or dyspnea; the person is comfortable at rest.
  • Prior or concurrent malignancy whose natural history or treatment does not have the potential to interfere with the safety or efficacy assessments of the investigational arms are eligible for this trial.
  • Known HIV infection and on effective anti-retroviral therapy with undetectable viral load within 6 months are eligible for this trial.
  • Evidence of chronic hepatitis B virus (HBV) infection must have an undetectable HBV viral load on suppressive therapy, if indicated.
  • History of hepatitis C virus (HCV) infection must have been treated and cured. For patients with known HCV infection who are currently on treatment, they are eligible if they have an undetectable HCV viral load.
  • Willing and able to comply with the requirements of the protocol.

Exclusion Criteria:

  • Major concurrent illness or organ dysfunction including but not limited to the following:

  • POEMS syndrome
  • Symptomatic major organ involvement AL amyloidosis
  • History of allergy or known hypersensitivity to any of the trial therapies or any of their excipients, or contraindication to any of the trial therapies as outlined in the local prescribing information (e.g., United States Prescribing Information \[USPI\])
  • Complete spinal cord compression or CNS involvement
  • Known leptomeningeal disease
  • Allogeneic tissue/solid organ transplant recipients with chronic GVHD requiring steroid equivalent dose of > 20 mg prednisone
  • Active infection requiring treatment
  • History or current evidence of any condition, therapy, or laboratory abnormality that might confound the results of the trial, interfere with the participant's participation for the full duration of the trial, or is not in the best interest of the participant to participate, in the opinion of the treating investigator
  • Psychiatric or substance abuse disorder that would interfere with cooperation with the requirements of the trial
  • Legally incapacitated or has limited legal capacity
  • Persons who are pregnant or breastfeeding

Study Design

Enrollment

300 participants

Anticipated

Allocation

Randomized

Intervention Model

Parallel Assignment

Primary purpose

Treatment

Interventions and Outcome Measures

Arms

active comparator: Control Arm: Isa-KRd with Autologous Stem Cell Transplant

Appendix A to the MMRC Horizon Two High Risk Newly Diagnosed Multiple Myeloma Master Protocol: Isa-KRd with Autologous Stem Cell Transplant in Patients with High Risk Newly Diagnosed Multiple Myeloma

experimental: Induction, Consolidation, and Maintenance Therapy Combining Linvoseltamab and Triplet Therapy

Appendix B to the MMRC Horizon Two High Risk Newly Diagnosed Multiple Myeloma Master Protocol: Induction, Consolidation, and Maintenance Therapy Combining Linvoseltamab and Triplet Therapy in Patients with High Risk Newly Diagnosed Multiple Myeloma

Interventions

Bispecific Monoclonal Antibody and Triplet Therapy

Induction, Consolidation, and Maintenance Therapy Combining Linvoseltamab and Triplet Therapy

Monoclonal Antibody with Stem Cell Transplant

Isatuximab-KRd with Autologous Stem Cell Transplant

Primary outcome measure

  • Sustained measurable residual disease (MRD) negativity [ Time Frame: 2 years post randomization ]
  • Progression Free Survival [ Time Frame: through study completion, roughly 5 years ]

Central Contacts and Locations

Central contacts

Locations

Emory University

Recruiting

Atlanta, Georgia, United States, 30017

Contacts

UChicago Medicine

Recruiting

Chicago, Illinois, United States, 60637

Contacts

Karmanos Cancer Institute

Recruiting

Detroit, Michigan, United States, 48201

Contacts

Mayo Clinic

Recruiting

Rochester, Minnesota, United States, 55902

Contacts

Washington University Medical Center

Recruiting

St Louis, Missouri, United States, 63130

Contacts

Alexander Craig

craiga@wustl.edu

Memorial Sloan Kettering Cancer Center

Recruiting

New York, New York, United States, 10065

Contacts

Laura Guttentag

guttenl@mskcc.org

UNC

Recruiting

Chapel Hill, North Carolina, United States, 27599

Contacts

More Information

Sponsor

Multiple Myeloma Research Consortium

Last update posted

Jun 10, 2026

Last verified

May, 2026

Keywords

  • Horizon
  • Horizon Two
  • MMRC
  • HR NDMM

Trial information was received from ClinicalTrials.gov and was last updated on 2026-09-09. This information was provided to ClinicalTrials.gov by Multiple Myeloma Research Consortium on 2026-06-10.