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Dose Determining Study of EXS73565 in Participants With Relapsed or Refractory B-Cell Malignancies

Phase 1
Recruiting
Conditions
Relapsed or Refractory B-cell Malignancies
Interventions
Registration Number
NCT06980116
Lead Sponsor
Exscientia AI Limited
Brief Summary

The purpose of this study is to characterize the safety, tolerability, pharmacokinetics, pharmacodynamics, and preliminary antitumor activity of EXS73565 administered orally as a single agent in participants with relapsed/refractory B-cell malignancies.

Detailed Description

Not available

Recruitment & Eligibility

Status
RECRUITING
Sex
All
Target Recruitment
50
Inclusion Criteria
  • Age ≥18 years at the time of signing the informed consent.
  • Eastern Cooperative Oncology Group (ECOG) performance status of 0-1.
  • Histologically confirmed diagnosis of one of the following B-cell malignancies: chronic lymphocytic leukemia (CLL), including Richter's transformation from CLL, mantle-cell lymphoma, diffuse large B-cell lymphoma, follicular lymphoma, or marginal zone lymphoma.
  • Participants that have relapsed after standard of care or have progressed during standard of care or are not suitable for standard of care therapy

Key

Exclusion Criteria
  • Any medical or psychiatric condition that, in the view of the Principal Investigator, could jeopardize or would compromise the participant's safety or ability to participate in the study.
  • Known central nervous system (CNS) malignancy or primary CNS lymphoma.
  • Concurrent active or previous malignancy (other than the primary lymphoma/CLL for which the participant will be treated on this protocol within 5 years prior to randomization; participants with prior cancers may be enrolled with documented Sponsor approval.
  • Received anticancer therapy, including chemotherapy, immunotherapy, radiation therapy (with the exception of palliative radiotherapy), biologic therapy, cancer-related hormonal therapy, or any investigational therapy within 21 days or 5 half-lives (whichever is longer) before the first dose of the study treatment.

Study & Design

Study Type
INTERVENTIONAL
Study Design
SINGLE_GROUP
Arm && Interventions
GroupInterventionDescription
EXS73565EXS73565-
Primary Outcome Measures
NameTimeMethod
Number of Participants with Treatment-emergent Adverse Events (TEAEs)Up to 282 days
Dose-limiting toxicities (DLTs) of EXS73565-001Up to 21 days
Secondary Outcome Measures
NameTimeMethod
Time to Maximum Concentration (Tmax) of EXS73565-001Up to 253 days
Area Under the Concentration-time Curve from Time Zero to the Time of the Last Quantifiable Concentration AUC(0-last) of EXS73565-001Up to 253 days
Maximum Concentration (Cmax) of EXS73565-001Up to 253 days
Overall Response Rate (ORR)Up to 434 days
Disease Control RateUp to 434 days
Progression Free SurvivalUp to 434 days
Duration of ResponseUp to 434 days
Time to RespondUp to 434 days
Time to ProgressionUp to 434 days

Trial Locations

Locations (3)

Hospital Fundación Jiménez Diaz

🇪🇸

Madrid, Spain

Hospital Universitario HM Sanchinarro

🇪🇸

Madrid, Spain

University Hospitals Plymouth NHS Trust

🇬🇧

Plymouth, United Kingdom

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