Phase 2 Ovarian Cancer Trial, Recruiting NCT05128825 Sponsor: K-Group, Beta, Inc., a wholly owned subsidiary of Zentalis Pharmaceuticals, Inc Condition: Ovarian Cancer
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Phase 2 Ovarian Cancer Trial, Recruiting

NCT05128825
Recruiting Phase 2 🇦🇺 Australian site

Who may be able to join

AI generated eligibility summary. Written by an AI model from the official source data and checked on a sample basis. It can contain mistakes, so confirm anything important against the original source. How we use AI

Who might be able to join this trial:

  • People aged 18 or older
  • People diagnosed with high-grade serous ovarian cancer, fallopian tube cancer, or primary peritoneal cancer
  • People whose tumor testing (which can be done on stored tissue samples) shows a positive result for a protein called Cyclin E1, measured using a specific test provided by the trial sponsor
  • People whose cancer has stopped responding to platinum-based chemotherapy (known as platinum-resistant disease)
  • People who have received between 1 and 3 previous treatment regimens (or 1 to 4 if prior treatment included a drug called mirvetuximab), depending on which part of the trial applies (confirm with trial site)
  • People in one specific group (Part 2c) who may have had 1 to 4 prior treatment regimens and have previously received a weekly taxane-based treatment (confirm with trial site)
  • People who have previously received bevacizumab, if that treatment was considered appropriate for them under standard medical care
  • People who have previously received a PARP inhibitor, if they carry a BRCA 1 or 2 gene mutation or a related DNA repair issue, and if that treatment was considered appropriate under standard medical care
  • People who have previously received mirvetuximab, if that treatment was considered appropriate for them under standard medical care
  • People whose cancer can be measured on scans according to standard criteria (RECIST v1.1)
  • People whose blood counts and organ function meet the levels specified in the trial protocol
  • People with a good general performance status, able to carry out normal daily activities with little or no restriction (ECOG score of 0 or 1)

Who may not be able to join:

  • People whose cancer never responded to platinum-based chemotherapy from the very beginning (primary platinum-refractory disease)
  • People whose ovarian cancer is of a different type, such as endometrioid, clear cell, mucinous, sarcomatous, mixed, low-grade, borderline, or other non-qualifying tumour types
  • People who have had major surgery within the 28 days before starting the trial
  • People who have been hospitalised within the 14 days before starting the trial
  • People who have received chemotherapy or targeted cancer treatment within 21 days (or within 5 half-lives of the drug, whichever is shorter) before starting the trial
  • People who have received radiation therapy within 21 days before starting the trial
  • People who have had a stem cell transplant (their own or a donor's) within the 3 months before starting the trial
  • People currently taking another investigational (experimental) drug within 28 days or 5 half-lives before starting the trial (whichever is shorter)
  • People who are unable to stop taking certain prescription or non-prescription medicines, foods, or herbal supplements that strongly or moderately affect how the body processes the trial drug, at least 14 days before starting (confirm with trial site)
  • People who have previously been treated with ZN-c3 or any other WEE1 inhibitor, ATR inhibitor, PKMYT1 inhibitor, or CHK1/2 inhibitor (these are specific types of targeted drugs — confirm with trial site)
  • People with brain metastases (cancer spread to the brain) that are causing symptoms or require immediate treatment; people with brain metastases that are not causing symptoms may still be considered
  • People with significant heart failure (classified as NYHA Class II to IV)
  • People with serious medical or psychiatric conditions that could increase risk or affect the trial results
  • People who have had a recent kidney injury requiring treatment or intravenous fluids in the past 14 days, or who have a urinary catheter or kidney drainage tube in place
  • People with significant digestive problems, including an inability to swallow tablets, a need for intravenous nutrition, an active stomach ulcer, ongoing significant diarrhoea or vomiting, or prior bowel surgery that affects how medicines are absorbed
  • People with an active, uncontrolled infection; people who have been treated for an infection must have completed treatment and been free of fever for at least 7 days before starting the trial
  • People with evidence of a bowel blockage, a recent hospitalisation for small bowel obstruction within 3 months, or repeated procedures to drain fluid from the abdomen or chest within 6 weeks before starting the trial
  • People with unresolved side effects from previous treatments that are still at a significant level (Grade 2 or higher), with some exceptions such as mild nerve-related symptoms, hair loss, or skin colour changes
  • People who are pregnant or breastfeeding, or people of childbearing potential who have a positive pregnancy test within 14 days before starting the trial
  • People with a history of another cancer within the past 2 years, unless it was fully treated by surgery alone and there has been no sign of disease since (certain low-risk cancers may be excepted — confirm with trial site)
  • People who are known to have a weakened immune system or who are HIV-positive and on antiretroviral therapy
  • People with known active hepatitis B or hepatitis C infection
  • People with prior wide-field radiation treatment that covered 20% or more of the bone marrow
  • People considered unsuitable for the trial by the treating doctor

Important: Always verify eligibility with the trial site directly before applying.

Based on publicly available eligibility criteria from ClinicalTrials.gov. Verify directly with the trial site before acting. This is not medical advice.

This is a simplified plain English summary of the eligibility criteria. Full criteria are set by the trial investigators and may include additional requirements not shown here. Never self-exclude from a trial based on this summary. Contact the trial site directly to confirm your eligibility.
Last synced 26 July 2026
Phase 2: approximately ~30% of drugs entering this phase reach regulatory approval, based on published industry-wide historical data. This is not specific to this trial.
Phase success rates shown are historical industry-wide averages based on published data. They are not a prediction for this specific trial or your individual situation.

Contact this trial

Phone: 858.263.4333

Australian sites

Site 2715 - Icon Cancer Centre - Chermside, Chermside, Queensland
Site 2707 - Mater Brisbane, South Brisbane, Queensland
Site 2709 - Cancer Research SA, Adelaide, South Australia
Site 2702 - Burnside War Memorial Hospital - The Brian Fricker Oncology Centre, Toorak Gardens, South Australia
Site 2716 - Epworth Healthcare Freemasons, East Melbourne, Victoria
Site 2701 - Sir Charles Gairdner Hospital, Nedlands, Western Australia
Site 2717 - St John of God Hospital Subiaco, Subiaco, Western Australia

Contact details sourced from ClinicalTrials.gov. Verify directly with the trial site before attending.

GP referral letter

Print a one-page summary to share with your doctor.

Trial details

Status
Recruiting
Phase
Phase 2
Sponsor
K-Group, Beta, Inc., a wholly owned subsidiary of Zentalis Pharmaceuticals, Inc
Registry
ClinicalTrials.gov
Start date
17 February 2022
Est. completion
1 December 2026

Where this trial is recruiting

🇦🇺 Australia 🇧🇪 Belgium 🇫🇷 France 🇮🇹 Italy 🇵🇱 Poland 🇰🇷 South Korea 🇪🇸 Spain 🇺🇸 United States

7 site(s) in Australia. Confirm current status and contact details directly with the trial site.

Primary endpoints

Objective Response Rate (ORR) defined by RECIST v1.1 [Part 2]

Can't join this trial?

Expanded access pathways

If this trial is not available to you, other access pathways may exist. In Australia, the TGA Special Access Scheme allows access to unapproved therapeutic goods for individual patients.

TGA Special Access Scheme information

Find other recruiting trials on ClinicalTrials.gov

Data last synced from ClinicalTrials.gov: 26 July 2026. Trial status can change. Always verify current status directly with the trial site before making any decision.

Trial recruitment status can change without notice between our nightly data updates. Always contact the trial site directly to confirm current recruitment status before making any decisions or travel arrangements.

View original record on ClinicalTrials.gov