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Clinical Trials/NCT05199337
NCT05199337Active, not recruitingPhase 1

A Single Arm, Open-Label, Phase 1/2 Study of ZN-d5 for the Treatment of Relapsed or Refractory Light Chain (AL) Amyloidosis

K-Group Alpha, Inc., a wholly owned subsidiary of Zentalis Pharmaceuticals, Inc.21 sites in 7 countries135 target enrollmentStarted: November 30, 2021Last updated:
Conditions
Interventions
Drugs

Trial Snapshot

Phase
Phase 1
Status
Active, not recruiting
Sponsor
Enrollment
135
Locations
21
Primary Endpoint
Dose limiting toxicities

Study Overview

Brief Summary

This is a single arm, Open-Label, Phase 1/2 Study of ZN-d5 for the Treatment of Relapsed or Refractory Light Chain (AL) Amyloidosis.

Detailed Description

A Single Arm, Open-Label, Phase 1/2 Study of ZN-d5 for the Treatment of Relapsed or Refractory Light Chain (AL) Amyloidosis. The first part of the study is phase 1 dose-escalation and the second part will be phase 2.

Study Design

Study Type
Interventional
Allocation
Na
Intervention Model
Single Group
Primary Purpose
Treatment
Masking
None

Eligibility Criteria

Ages
18 Years to — (Adult, Older Adult)
Sex
All
Accepts Healthy Volunteers
No

Inclusion Criteria

  • Diagnosis of AL amyloidosis based on histopathology, the presence of characteristic appearance on electron microscopy, or mass spectrometry typing of amyloid.
  • Prior AL amyloidosis treatment and has received at least one, but no more than three lines of prior therapy;
  • At least 3 months from hematopoietic stem cell transplantation or the shorter of 60 days or 5 half-lives for biologics, small molecules, or investigational drugs prior to starting treatment;
  • Measurable disease defined by serum differential free light chain;
  • Assessment of t(11,14) status by FISH;
  • Eastern Cooperative Oncology Group performance status ≤2 ;
  • History of organ involvement
  • Adequate bone marrow function prior to first administration of study drug;
  • Adequate organ function;

Exclusion Criteria

  • Presence of non-AL amyloidosis, including wild-type or mutated ATTR amyloidosis;
  • Diagnosis of multiple myeloma according to the 2014 International Myeloma Working Group diagnostic criteria;
  • Mayo 2012 Stage IV disease;
  • Cardiac involvement exclusions apply to some subjects, including heart failure and cardiac arrhythmias.
  • Prior treatment with other BCL-2 inhibitors;

Arms & Interventions

Treatment Arm

Experimental

Subjects will receive ZN-d5 orally (PO), once (QD) on days 1-28. Cycles repeat every 28 days in the absence of disease progression or unacceptable toxicity.

Intervention: ZN-d5 (Drug)

Outcomes

Primary Outcomes

Dose limiting toxicities

Time Frame: 18 Months

Incidence of Dose-limiting toxicities (DLTs) observed in DLT evaluable subjects

Safety and Tolerability

Time Frame: 18 Months

Incidence and severity of adverse events (AEs), graded according to the National Cancer Institute Common Terminology Criteria for Adverse Events (NCI CTCAE) version 5.0

Secondary Outcomes

  • PK Parameter: Finding max concentration (Cmax) of ZN-d5(48 months)
  • PK Parameter: Finding the Area Under the Curve (AUC) of ZN-d5(48 months)
  • Duration and time to hematologic response to ZN-d5(48 months)
  • PK Parameter: Finding time to maximum concentration (Tmax) of ZN-d5(48 months)
  • PK Parameter: Finding half-life of ZN-d5(48 months)
  • Assess the hematologic response to ZN-d5(48 months)

Investigators

Sponsor
K-Group Alpha, Inc., a wholly owned subsidiary of Zentalis Pharmaceuticals, Inc.
Sponsor Class
Industry
Responsible Party
Sponsor

Study Sites (21)

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