A Study of ZN-c3 in Combination With Gemcitabine in Subjects With Osteosarcoma

NCT ID: NCT04833582

Last Updated: 2023-11-14

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

ACTIVE_NOT_RECRUITING

Clinical Phase

PHASE1/PHASE2

Total Enrollment

84 participants

Study Classification

INTERVENTIONAL

Study Start Date

2021-08-01

Study Completion Date

2023-12-30

Brief Summary

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This is a phase 1/2 study of ZN-c3 in combination with gemcitabine in adult and pediatric subjects with relapsed or refractory osteosarcoma.

Detailed Description

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This is a phase 1/2 dose escalation and dose expansion study, evaluating the clinical activity and safety, pharmacodynamics, and pharmacokinetics of ZN-c3 in combination with gemcitabine in relapsed or refractory osteosarcoma.

Conditions

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Osteosarcoma

Study Design

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Allocation Method

NA

Intervention Model

SEQUENTIAL

Primary Study Purpose

TREATMENT

Blinding Strategy

NONE

Study Groups

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Combination ZN-c3 with Gemcitabine

Group Type EXPERIMENTAL

ZN-c3

Intervention Type DRUG

ZN-c3 is an investigational drug.

Gemcitabine

Intervention Type DRUG

Gemcitabine is an approved drug

Interventions

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ZN-c3

ZN-c3 is an investigational drug.

Intervention Type DRUG

Gemcitabine

Gemcitabine is an approved drug

Intervention Type DRUG

Other Intervention Names

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Gemzar

Eligibility Criteria

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Inclusion Criteria

* Age ≥ 12 years at the time of informed consent
* Bodyweight ≥ 40 kg
* Histologically documented relapsed or metastatic osteosarcoma.
* Must have measurable disease according to RECIST Guideline version 1.1 criteria.
* Adequate hematologic and organ function.
* Female subjects of childbearing potential and male subjects must agree to use an effective method of contraception per institutional standard prior to the first dose and for 6 months after study treatment discontinuation.
* Willingness and ability to comply with scheduled visits, treatment plan, laboratory tests, and other study procedures.

Exclusion Criteria

* Unresolved toxicity of Grade \>1 attributed to prior therapies (excluding: Grade ≤2 neuropathy, alopecia, or skin pigmentation)
* Prior therapy with a WEE1 inhibitor
* A serious illness or medical condition(s).
* Pregnant or lactating females. Females of childbearing potential with a positive serum pregnancy test \<14 days to Day 1.
* Subjects with active (uncontrolled, metastatic) second malignancies or requiring therapy.
* 12-lead ECG demonstrating a corrected QT interval using Fridericia's formula (QTcF) of \>470 ms, except for subjects with atrioventricular pacemakers or other conditions (e.g., right bundle branch block) that render the QT measurement invalid.
* History or current evidence of congenital or family history of long QT syndrome or Torsades de Pointes (TdP).
* Taking medications with a known risk of TdP.
* Administration of strong and moderate CYP3A4 inhibitors/inducers and strong and moderate P-gp inhibitors.
Minimum Eligible Age

12 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No

Sponsors

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K-Group, Beta, Inc., a wholly owned subsidiary of Zentalis Pharmaceuticals, Inc

INDUSTRY

Sponsor Role lead

Responsible Party

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Responsibility Role SPONSOR

Locations

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Site 0106

Los Angeles, California, United States

Site Status

Site 0124

Oakland, California, United States

Site Status

Site 0195

Santa Monica, California, United States

Site Status

University of Florida College of Medicine

Gainesville, Florida, United States

Site Status

Site 0105

New York, New York, United States

Site Status

Site 0107

Cincinnati, Ohio, United States

Site Status

Site 0123

Portland, Oregon, United States

Site Status

Site 0193

Memphis, Tennessee, United States

Site Status

Site 0197

Nashville, Tennessee, United States

Site Status

Site 0103

Houston, Texas, United States

Site Status

Site 0188

Richmond, Virginia, United States

Site Status

Site 0122

Seattle, Washington, United States

Site Status

Site 3604

Bordeaux, , France

Site Status

Site 3601

Lyon, , France

Site Status

Site 3602

Marseille, , France

Site Status

Site 3606

Paris, , France

Site Status

Site 3605

Toulouse, , France

Site Status

Countries

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United States France

Other Identifiers

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ZN-c3-003

Identifier Type: -

Identifier Source: org_study_id

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