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A Study of ZN-c3 and Niraparib in Subjects With Platinum-Resistant Ovarian Cancer

K

K-Group Beta

Status and phase

Active, not recruiting
Phase 2
Phase 1

Conditions

Primary Peritoneal Carcinoma
Fallopian Tube Cancer
Ovarian Cancer
Platinum-resistant Ovarian Cancer

Treatments

Drug: Niraparib
Drug: ZN-c3

Study type

Interventional

Funder types

Industry

Identifiers

NCT05198804
2021-004161-13 (EudraCT Number)
ZN-c3-006
GOG-3067 (Other Identifier)

Details and patient eligibility

About

This is a Phase 1/2 study to evaluate the safety, clinical activity, pharmacokinetics (PK), and pharmacodynamics (PD) of ZN-c3 in combination with niraparib and of ZN-c3 Monotherapy in subjects with platinum-resistant ovarian cancer.

Full description

This is a Phase 1/2 open-label, multicenter study to evaluate the safety, clinical activity, PK, and PD of ZN-c3 in combination with niraparib and of ZN-c3 Monotherapy in subjects with platinum-resistant ovarian cancer who have failed Poly (ADP-ribose) polymerase inhibitor (PARPi) maintenance treatment.

Enrollment

117 patients

Sex

Female

Ages

18+ years old

Volunteers

No Healthy Volunteers

Inclusion and exclusion criteria

Key Inclusion Criteria:

  1. Histologically or cytologically confirmed recurrent high grade epithelial ovarian, primary peritoneal, or fallopian tube cancer with histologic subtypes of serous, clear cell or endometroid for which there is no known or established treatment available with curative intent.
  2. Subjects must have platinum-resistant disease.
  3. Must have evaluable or measurable disease according to RECIST v1.1 criterion: defined as at least one lesion that can be accurately measured.
  4. Adequate hematologic and organ function.
  5. Ability and willingness to take oral medication.
  6. Subjects must provide formalin-fixed, paraffin-embedded tumor samples available from the primary or recurrent cancer.

Key Exclusion Criteria:

  1. Prior therapy directed at the malignant tumor within the last four weeks prior to Cycle 1 Day 1 (6 weeks for nitrosoureas or mitomycin C).
  2. A minimum of 10 days between termination of the prior PARPi and administration of ZN-c3 and niraparib treatment is required.
  3. Any investigational drug therapy <28 days.
  4. Prior treatment with a WEE1 inhibitor.
  5. Known hypersensitivity to any drugs similar to ZN-c3 and/or niraparib in class or its excipients.
  6. Participant has any known history or current diagnosis of myelodysplastic syndrome (MDS) or acute myeloid leukemia (AML).
  7. Uncontrolled hypertension (Diastolic BP > 90 mmHg or Systolic BP > 140 mmHg).
  8. Myocardial impairment of any cause (e.g., cardiomyopathy, ischemic heart disease, significant valvular dysfunction, hypertensive heart disease, and congestive heart failure) resulting in heart failure by New York Heart Association Criteria (Class III or IV).
  9. Significant gastrointestinal abnormalities, requirement for IV alimentation, active peptic ulcer, chronic diarrhea, or vomiting considered to be clinically significant in the judgment of the Investigator, or prior surgical procedures affecting absorption.
  10. 12-lead ECG demonstrating a corrected QT interval using Fridericia's formula (QTcF) of >480 ms, except for subjects with atrioventricular pacemakers or other conditions (e.g., right bundle branch block) that render the QT measurement invalid.
  11. History or current evidence of congenital or family history of long QT syndrome or Torsades de Pointes (TdP).
  12. Taking medications with a known risk of TdP (according to current information provided at https://crediblemeds.org).

Trial design

Primary purpose

Treatment

Allocation

Non-Randomized

Interventional model

Single Group Assignment

Masking

None (Open label)

117 participants in 2 patient groups

ZN-c3 and Niraparib
Experimental group
Description:
ZN-c3 in combination with Niraparib
Treatment:
Drug: ZN-c3
Drug: Niraparib
ZN-c3
Experimental group
Description:
ZN-c3 Monotherapy
Treatment:
Drug: ZN-c3

Trial contacts and locations

21

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Central trial contact

Project Director

Data sourced from clinicaltrials.gov

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