Recent Updates
Recently added Catalysts

XmAb24306

Phase 1

Multiple Myeloma | Small molecule | Oncology |Roche Holding AG|Trials Updated: Jul 2, 2026

XmAb24306 development status

Highest phase Phase 1
Registered trials 3 across 1 sponsor since Jan 2020

XmAb24306 target and mechanism

ModalitySmall molecule

Also known as RO7310729

Success Probability

Subscribe to view

Market & Valuation

Subscribe to view

Trial Design

CONTROLLED
Total Trials2
Total Enrollment213

FDA Designations

No designations recorded

XmAb24306 clinical trials

XmAb24306 · 2 trials · 2 indications

Phase 1 2
NCT05243342A Study to Evaluate the Safety and Pharmacokinetics of XMAB24306 in Combination With Daratumumab in Participants With Relapsed/Refractory Multiple MyelomaMultiple Myeloma
COMPLETED18 Analytics
NCT04250155An Open-Label Dose-Escalation Study to Evaluate XmAb24306 as a Single Agent and in Combination With Atezolizumab in Participants With Locally Advanced or Metastatic Solid TumorsSolid Tumors
COMPLETED195 Analytics
PHASE1COMPLETED
A Study to Evaluate the Safety and Pharmacokinetics of XMAB24306 in Combination With Daratumumab in Participants With Relapsed/Refractory Multiple Myeloma
Multiple MyelomaUnlock trial analytics
PHASE1COMPLETED
An Open-Label Dose-Escalation Study to Evaluate XmAb24306 as a Single Agent and in Combination With Atezolizumab in Participants With Locally Advanced or Metastatic Solid Tumors
Solid TumorsUnlock trial analytics

Study Endpoints

Primary Endpoints

Percentage of participants with adverse events (AEs)
Up to approximately 3 years
Percentage of Participants with Adverse Events
Up to approximately 4 years

Secondary Endpoints

Serum concentration of XmAb24306
Baseline to approximately 3 years
Objective response rate (ORR)
Baseline to approximately 3 years
Prevalence of XmAb24306 anti-drug antibodies (ADAs)
Baseline to approximately 3 years
Unlock Study Endpoints

Study Design & Arms

AllocationNON_RANDOMIZED
MaskingNONE
ModelSEQUENTIAL
PurposeTREATMENT

Treatment Arms

ArmTypeDescription
Dose escalationEXPERIMENTALParticipants will receive escalating doses of XmAb24306 with daratumumab up to the maximum tolerated dose (MTD)
Dose expansionEXPERIMENTALParticipants will receive XmAb24306 with daratumumab at the recommended phase 2 dose (RP2D)
Phase 1a Dose EscalationEXPERIMENTALParticipants will receive XmAb24306 until study treatment discontinuation or study termination.
Phase 1a Dose ExpansionEXPERIMENTALParticipants will receive XmAb24306 until study treatment discontinuation or study termination.
Phase 1b Dose EscalationEXPERIMENTALParticipants will receive XmAb24306 and atezolizumab until study treatment discontinuation or study termination.
Phase 1b Dose ExpansionEXPERIMENTALParticipants will receive XmAb24306 and atezolizumab until study treatment discontinuation or study termination.

Interventions

NameTypeDescription
XmAb24306DRUGXmAb24306 will be given via intravenous (IV) infusion
DaratumumabDRUGParticipants will receive daratumumab via subcutaneous (SC) injection every week for Cycles 1-4, every 2 weeks for Cycles 5-12, and every 4 weeks thereafter (cycle length = 2 weeks for Cycles 1-12 and 4 weeks thereafter)
AtezolizumabDRUGParticipants will receive IV XmAb24306 followed by IV atezolizumab
Unlock Study Design Details

Eligibility Criteria

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

Inclusion Criteria: * Life expectancy of at least 12 weeks * Measurable disease, as defined by the protocol * Participants must have received a minimum of 3 prior lines of therapy, including at least one PI, one IMiD, and an anti-CD38 monoclonal antibody * Best response of stable disease or better ...

Countries:AustraliaDenmarkNorwaySpainUnited StatesBelgiumBrazilCanadaItalyNetherlandsSouth Korea
Unlock Eligibility Criteria

Competitive Landscape -Multiple Myeloma 338 trials

Recent Changes (Last 90 Days)

MEDIUMAug 2, 2026NCT04250155TRIAL_REMOVED: changed
MEDIUMAug 2, 2026NCT04250155TRIAL_REMOVED: changed
MEDIUMAug 2, 2026NCT04250155TRIAL_REMOVED: changed
MEDIUMAug 2, 2026NCT04250155TRIAL_REMOVED: changed

Frequently asked questions about XmAb24306

What is XmAb24306 used for?

XmAb24306 is an investigational oncology drug being studied for the treatment of solid tumors and multiple myeloma. It is currently in Phase 1 clinical development. The drug is being evaluated as a single agent and in combination with other therapies for these cancer indications.

Who makes XmAb24306?

XmAb24306 is being developed by Roche Holding AG, which trades under the ticker RHHBY. The drug is currently in Phase 1 clinical trials for oncology indications, including solid tumors and multiple myeloma.

What phase is XmAb24306 in?

XmAb24306 is in Phase 1 clinical development. It is an investigational drug and has not been approved by regulatory authorities. Clinical trials are being conducted to evaluate its safety and pharmacokinetics in patients with solid tumors and multiple myeloma.

What clinical trials is XmAb24306 in?

XmAb24306 has been studied in two completed Phase 1 clinical trials. NCT04250155 evaluated the drug as a single agent and in combination with atezolizumab in patients with locally advanced or metastatic solid tumors. NCT05243342 evaluated the drug in combination with daratumumab in patients with relapsed or refractory multiple myeloma.