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Study With Wee-1 Inhibitor AZD1775 (MK-1775) and Carboplatin to Treat p53 Mutated Refractory and Resistant Ovarian Cancer (M10MKO)

Netherlands Cancer Institute (NKI) logo

Netherlands Cancer Institute (NKI)

Status and phase

Completed
Phase 2

Conditions

Epithelial Ovarian Cancer

Treatments

Drug: MK-1775 and carboplatin

Study type

Interventional

Funder types

Other
Industry

Identifiers

NCT01164995
M10MKO / MK1775-009

Details and patient eligibility

About

The purpose of this study is to determine if patients with p53 mutated epithelial ovarian cancer that have been treated with first line treatment (paclitaxel - carboplatin combination therapy) and that have shown early relapse (within 3 months) or progression during treatment will benefit from treatment with Wee-1 inhibitor MK-1775 and carboplatin.

Additional safety and preliminary anti-tumor activity cohort (first patient in 2017):

To determine the safety and preliminary anti-tumor activity (RECIST 1.1) of AZD1775 in combination with carboplatin in platinum resistant p53 mutated epithelial ovarian cancer (relapse within 6 months), NSCLC, SCLC, cervical, and endometrial cancer, in a 21 day schedule.

Full description

Platinum-based drugs are used in first line treatment of epithelial ovarian cancer. Despite high overall initial response rates, resistance or early relapse can occur. MK-1775 is a potent and selective inhibitor of Wee-1 kinase, a kinase that regulates the G2/M checkpoint. Since most human cancers retain p53-related G1 checkpoint abnormalities, they are dependent on the G2 checkpoint. Annulment of the G2 checkpoint may therefore make p53 deficient tumor cells more susceptible to anti-cancer agents. The Phase I study with MK-1775 combined with gemcitabine, carboplatin or cisplatin in patients with advanced solid tumors already confirmed target engagement of MK-1775.

In this study Carboplatin will be administered in combination with MK-1775 in a 21 day cycle. Ovarian cancer patients with a p53 mutation based on PCR/sequencing will be eligible for the study. p53 immunohistochemistry (IHC) wil also be performed.

This study is a proof of concept (POC) study. To proof the hypothesis that MK-1775 is more effective in tumors harboring p53 mutations a single stage study with 21 patients will be performed. The final conclusion will then be made as follows: Applying a A'Hern's Single Stage Phase II Design, a minimum of 6 responses (RECIST 1.0 or CA125) out of 21 patients will provide a 61% power to declare an efficacy of at least a 30% (α=0.05). A response of 13% or less would definitively indicate no efficacy of interest.

Patients will remain on treatment until they no longer have clinical benefit from treatment or when toxicity leads to patient withdrawal. Patients will be followed for at least 30 days following their last dose of study therapy, or until death, whichever comes first.

For patients with stable disease follow-up will take place at least until disease progression has been documented = until time of progression. Patients discontinued from the study for unacceptable adverse experiences will be followed until time of progression and until the resolution or stabilization of the adverse experience. These patients with stable disease at the end of treatment or who discontinued for unacceptable adverse experiences will be evaluated every 2 months at the outpatient department, and CA-125 will be determined. In case of CA-125 increase a CT scan will be performed. In patients for whom CA-125 is not a good marker, a CT-scan will need to be performed every 2 cycles (42 days), until disease progression.

In the additional safety and preliminary anti-tumor activity cohort a minimum of 10 patients will be recruited per tumor type. If no partial responses have been documented in a defined tumor type that tumor type will be closed for further recruitment. If at least one patient shows a PR recruitment may continue until 29 (evaluable) patients have been included per tumor type.

Enrollment

24 patients

Sex

Female

Ages

18+ years old

Volunteers

No Healthy Volunteers

Inclusion criteria

  • Histological or cytological proof of epithelial ovarian cancer, and proven p53 mutated pathway by PCR/Sequencing. IHC will also be performed. In the additional safety and efficacy cohort also inclusion of NSCLC, SCLC, cervical and endometrial cancer (only ovarian cancer cohort is pursued)

  • Measurable disease on a CT-scan or elevated Cancer Antigen (CA)-125 levels that can be monitored.

  • Patients previously received standard 1st line platinum therapy (combined with paclitaxel) for epithelial ovarian cancer, and showed recurrence on or within 3 months of this treatment (relapse within 6 months in the additional safety and efficacy cohort)

  • Able and willing to voluntarily give written informed consent.

  • Able and willing to undergo blood sampling for pharmacokinetics and pharmacodynamics.

  • Life expectancy ≥ 3 months allowing adequate follow up of toxicity evaluation and anti-tumor activity.

  • Minimal acceptable safety laboratory values:

    • Absolute neutrophil count (ANC) of ≥ 1.5 x 109 /L (or 1500/m3).
    • Platelet count of ≥ 100 x 109 /L (or 100,000/mm3).
    • Hemoglobin ≥ 5.6 mmol/L (or 9.1 g/dl).
    • Hepatic function as defined by serum bilirubin ≤ 1.5 x ULN, ALAT and ASAT ≤ 2.5 x ULN, or ALAT and ASAT ≥ 5x ULN in case of liver metastases.
    • Renal function as defined by serum creatinine ≥ 1.5 x ULN or creatinine clearance ≥ 60 ml/min for patients with creatinine levels ≥ 1.5 x ULN (by Cockcroft-Gault formula).
  • WHO performance status of ≤ 2 on the Eastern Cooperative Oncology Group (ECOG) Performance Scale.

  • No radio- or chemotherapy within the last 4 weeks prior to study entry (palliative limited radiation for pain reduction is allowed)

  • Able and willing to swallow oral medication.

  • Able and willing to receive iv medication.

  • Negative pregnancy test (urine/serum) for female patients with childbearing potential.

Exclusion criteria

  • Symptomatic cerebral or leptomeningeal metastases.
  • Current participation or previous participation in a study with an investigational compound, or chemo- and/or radiotherapy within 28 days of receiving first dose of study medication. (Palliative limited radiation for pain reduction is allowed only between day 8 and day 21 of the study, and allowed to a limited area to palliate pain.
  • No prior radiation therapy to more than 30% of the bone marrow and patient must have recovered for at least 3 weeks from the hematologic toxicity of prior radiotherapy.
  • More than 1 prior cytotoxic chemotherapy regimen in initial trial. In the additional safety and efficacy cohort: more than 2 prior cytotoxic chemotherapy regimens.
  • Prior stem cell or bone marrow transplant.
  • Unresolved (> grade 1) toxicities of previous chemotherapy, excluding alopecia.
  • Known hypersensitivity to the components of the combination study therapy or its analogs.
  • Patient has had prescription or non-prescription drugs or other products known to be metabolized by CYP3A4, or to inhibit or induce CYP3A4 that cannot be discontinued prior to Day 1 of dosing and withheld throughout the study until 2 days after the last dose of study medication
  • Bowel obstructions or motility disorders that may negatively affect oral drug absorption.
  • Patients with known alcoholism, drug addiction and/or a history of psychotic disorders who are not suitable for adequate follow up.
  • Women who are pregnant or breast feeding.
  • Fertile women who do not agree to use a reliable contraceptive method throughout the study.
  • Uncontrolled infectious disease or known Human Immunodeficiency Virus HIV-1 or HIV-2 type patients.
  • Patients with a known history of hepatitis B or C.
  • Neurological disease that may render a patient at increased risk for peripheral or central neurotoxicity.
  • Clinical history suggestive for Li Fraumeni syndrome.

Trial design

Primary purpose

Treatment

Allocation

N/A

Interventional model

Single Group Assignment

Masking

None (Open label)

24 participants in 1 patient group

MK-1775 and carboplatin
Experimental group
Description:
MK-1775: oral capsules. Carboplatin: intravenous infusion in 30 minutes
Treatment:
Drug: MK-1775 and carboplatin

Trial contacts and locations

1

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Data sourced from clinicaltrials.gov

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