NCT05289492

Brief Summary

This is a multicenter, open-label, phase I/II clinical study, to assess the safety, tolerability, antitumor activity, pharmacokinetics and pharmacodynamics of EOS884448 (also known as EOS-448 or GSK4428859A), alone or in combination with iberdomide with and without dexamethasone in participants with relapsed/refractory multiple myeloma (RRMM).

Trial Health

60
Monitor

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
16

participants targeted

Target at P25-P50 for phase_1 multiple-myeloma

Timeline
Completed

Started May 2022

Shorter than P25 for phase_1 multiple-myeloma

Geographic Reach
4 countries

13 active sites

Status
terminated

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

First Submitted

Initial submission to the registry

March 11, 2022

Completed
10 days until next milestone

First Posted

Study publicly available on registry

March 21, 2022

Completed
1 month until next milestone

Study Start

First participant enrolled

May 1, 2022

Completed
1.6 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

November 29, 2023

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

November 29, 2023

Completed
Last Updated

October 26, 2024

Status Verified

October 1, 2024

Enrollment Period

1.6 years

First QC Date

March 11, 2022

Last Update Submit

October 23, 2024

Conditions

Keywords

Multiple MyelomaEOS884448GSK4428859ATIGITAnti-TIGITiberdomideCELMoDCC-220EOS-448Belrestotug

Outcome Measures

Primary Outcomes (4)

  • Number of participants with any adverse events (AEs) and serious adverse events (SAEs)

    From first study treatment administration up to 120 days after the last dose

  • Number of participants with dose limiting toxicity (DLT)

    From first study treatment administration up to 120 days after the last dose

  • Recommended Phase 2 dose (RP2D) of EOS884448 alone or in combinations with iberdomide with or without dexamethasone in participants with relapse/refractory multiple myeloma

    up to 2 years

  • Number of participants with overall response (partial or better) as determined by IMWG criteria

    up to 2 years

Secondary Outcomes (5)

  • Progression-free-survival (PFS)

    Until disease progression or death - Approximately 24 months

  • Duration of Response (DOR)

    Until disease progression or death - Approximately 24 months

  • Time to Response (TTR)

    Approximately 48 weeks

  • Maximum concentration (Cmax) of EOS884448 at each dose level

    Approximately 48 weeks

  • Percentage of participants with anti-drug antibodies to EOS884448

    Approximately 48 weeks

Study Arms (3)

A: Participants will receive EOS884448

EXPERIMENTAL

EOS884448 will be administered

Drug: EOS884448

B: Participants will receive EOS884448 and iberdomide

EXPERIMENTAL

EOS884448 and iberdomide will be administered

Drug: EOS884448Drug: Iberdomide

C: Participants will receive EOS884448, iberdomide and dexamethasone

EXPERIMENTAL

EOS884448, iberdomide and dexamethasone will be administered

Drug: EOS884448Drug: IberdomideDrug: Dexamethasone

Interventions

EOS884448 will be administered in arm A,B and C

Also known as: EOS-448, GSK4428859A, Belrestotug
A: Participants will receive EOS884448B: Participants will receive EOS884448 and iberdomideC: Participants will receive EOS884448, iberdomide and dexamethasone

Iberdomide will be administered in arm B and C

Also known as: CC-220
B: Participants will receive EOS884448 and iberdomideC: Participants will receive EOS884448, iberdomide and dexamethasone

Dexamethasone will be administered in arm C

C: Participants will receive EOS884448, iberdomide and dexamethasone

Eligibility Criteria

Age18 Years+
Sexall
Healthy VolunteersNo
Age GroupsAdult (18-64), Older Adult (65+)

You may qualify if:

  • All participants must have a documented diagnosis of relapse/refractory Multiple Myeloma and have measurable disease as defined per IMWG criteria.
  • All participants must have received at least 3 prior lines of MM therapy with IMiD, PI and Anti-CD-38, and progressed on their last therapy (prior BCMA targeted therapy allowed).
  • All participants must have Eastern Cooperative Oncology Group (ECOG) Performance Status of 0,1or 2.
  • All participants must have adequate organ function.
  • Females of childbearing potential (FCBP) or male participant must agree to follow contraception requirements.

You may not qualify if:

  • All participants with non-secretory MM
  • All participants with known auto-immune disease
  • All participants with history of life-threatening toxicity related to prior immune therapy.
  • All participants with active graft versus host disease after allogeneic stem cell transplantation.
  • All participants with active, unstable cardiovascular function.
  • All participants with active infection requiring systemic therapy.
  • All participants with hypersensitivity to any of the treatments.
  • All participants with any active gastrointestinal dysfunction that prevents the patient from swallowing tablets or interferes with absorption of study treatment.

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (13)

Banner MD Anderson

Gilbert, Arizona, 85234, United States

Location

Eastern Connecticut Hematology & Oncology

Norwich, Connecticut, 06360, United States

Location

Hackensack University Medical Center

Hackensack, New Jersey, 07601, United States

Location

Fred Hutchinson Cancer Center

Seattle, Washington, 98109, United States

Location

ZNA Cadix

Antwerp, 2020, Belgium

Location

Institut Jules Bordet

Brussels, 1070, Belgium

Location

Universitaire Ziekenhuizen KU Leuven

Leuven, 3000, Belgium

Location

CHU Amiens

Amiens, 80054, France

Location

Centre Hospitalier Universitaire de Nantes

Nantes, 44093, France

Location

APHP Hôpital Saint-Antoine

Paris, 75012, France

Location

CHU de Poitiers

Poitiers, 86021, France

Location

CHU Toulouse

Toulouse, 31059, France

Location

Hospital Fundacion Jimenez Diaz

Madrid, 28040, Spain

Location

MeSH Terms

Conditions

Multiple Myeloma

Interventions

iberdomideDexamethasone

Condition Hierarchy (Ancestors)

Neoplasms, Plasma CellNeoplasms by Histologic TypeNeoplasmsHemostatic DisordersVascular DiseasesCardiovascular DiseasesParaproteinemiasBlood Protein DisordersHematologic DiseasesHemic and Lymphatic DiseasesHemorrhagic DisordersLymphoproliferative DisordersImmunoproliferative DisordersImmune System Diseases

Intervention Hierarchy (Ancestors)

PregnadienetriolsPregnadienesPregnanesSteroidsFused-Ring CompoundsPolycyclic CompoundsSteroids, Fluorinated

Study Officials

  • Iteos Clinical Trials

    iTeos Belgium SA

    STUDY DIRECTOR

Study Design

Study Type
interventional
Phase
phase 1
Allocation
NON RANDOMIZED
Masking
NONE
Purpose
TREATMENT
Intervention Model
SEQUENTIAL
Sponsor Type
INDUSTRY
Responsible Party
SPONSOR

Study Record Dates

First Submitted

March 11, 2022

First Posted

March 21, 2022

Study Start

May 1, 2022

Primary Completion

November 29, 2023

Study Completion

November 29, 2023

Last Updated

October 26, 2024

Record last verified: 2024-10

Locations