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History of Changes for Study: NCT04513665
ZW25 in Women With Endometrial Cancers
Latest version (submitted January 11, 2022) on ClinicalTrials.gov
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Study Record Versions
Version A B Submitted Date Changes
1 August 12, 2020 None (earliest Version on record)
2 November 13, 2020 Study Status and Contacts/Locations
3 June 28, 2021 Study Status, Contacts/Locations and Eligibility
4 November 11, 2021 Study Status
5 January 11, 2022 Study Status
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Study NCT04513665
Submitted Date:  August 12, 2020 (v1)

Open or close this module Study Identification
Unique Protocol ID: 20-162
Brief Title: ZW25 in Women With Endometrial Cancers
Official Title: A Phase 2 Trial of ZW25 in HER2 Overexpressed Advanced Endometrial Cancers and Carcinosarcomas (ZW25-IST-2)
Secondary IDs:
Open or close this module Study Status
Record Verification: August 2020
Overall Status: Recruiting
Study Start: August 12, 2020
Primary Completion: April 12, 2022 [Anticipated]
Study Completion: April 12, 2022 [Anticipated]
First Submitted: August 12, 2020
First Submitted that
Met QC Criteria:
August 12, 2020
First Posted: August 14, 2020 [Actual]
Last Update Submitted that
Met QC Criteria:
August 12, 2020
Last Update Posted: August 14, 2020 [Actual]
Open or close this module Sponsor/Collaborators
Sponsor: Memorial Sloan Kettering Cancer Center
Responsible Party: Sponsor
Collaborators: Zymeworks Inc.
Open or close this module Oversight
U.S. FDA-regulated Drug: Yes
U.S. FDA-regulated Device: No
Data Monitoring:
Open or close this module Study Description
Brief Summary: This study is being done to test the drug ZW25 and look at whether this drug is effective in women with HER2-overexpressed endometrial cancer or carcinosarcoma that has been treated in the past.
Detailed Description:
Open or close this module Conditions
Conditions: Endometrial Cancer
Carcinosarcoma
Keywords: Endometrial Cancer
Carcinosarcoma
ZW25
20-162
Memorial Sloan Kettering Cancer Center
Open or close this module Study Design
Study Type: Interventional
Primary Purpose: Treatment
Study Phase: Phase 2
Interventional Study Model: Crossover Assignment
The study will be conducted in two stages. Stage 1 will accrue 16 patients and if two or greater responses are seen, Stage 2 will accrue an additional 9 patients.
Number of Arms: 2
Masking: None (Open Label)
Allocation: Non-Randomized
Enrollment: 25 [Anticipated]
Open or close this module Arms and Interventions
Arms Assigned Interventions
Experimental: Stage 1
Participants will have recurrent endometrial carcinoma or carcinosarcoma with HER2 overexpression and 1-2 prior lines of chemotherapy. 16 participants will be accrued. If 2 or greater responses are seen, Stage 2 will accrue additional participants.
Drug: ZW25
ZW25 at 20mg/kg intravenously (IV) every two weeks.
Experimental: Stage 2
If 2 or greater responses are seen during Stage 1, Stage 2 will accrue an additional 9 participants. Participants will have recurrent endometrial carcinoma or carcinosarcoma with HER2 overexpression and 1-2 prior lines of chemotherapy.
Drug: ZW25
ZW25 at 20mg/kg intravenously (IV) every two weeks.
Open or close this module Outcome Measures
Primary Outcome Measures:
1. Overall Response Rate/ORR of participants
[ Time Frame: </= 24 weeks from the start of treatment ]

ORR = Compete Response (CR) + Partial Response (PR) by RECIST v 1.1 </= 24 weeks from the start of treatment
Open or close this module Eligibility
Minimum Age: 18 Years
Maximum Age:
Sex: Female
Gender Based:
Accepts Healthy Volunteers: No
Criteria:

Inclusion Criteria:

  • Patients must be enrolled or agree to consent to the companion genomic profiling study MSKCC IRB# 12-245 Part A. Results are not required prior to initiating treatment on protocol, unless patients do not have other test results by IHC or FISH confirming HER2 overexpression.
  • Patients must have recurrent or persistent HER2 overexpressing endometrial cancer or endometrial carcinosarcoma. HER2 overexpression is defined as 3+ by IHC or 2+ with gene amplification by FISH (HER2/CEP17 ratio ≥ 2) or HER2 amplified (fold change ≥ 2) on MSK IMPACT.
  • Histologic documentation of diagnosis of endometrial carcinoma or carcinosarcoma is required.
  • Age ≥ 18 years
  • Patients must have had at least one but no more than two prior chemotherapeutic regimens for management of endometrial carcinoma (including neo-adjuvant and/or adjuvant chemotherapy). Initial treatment may include chemotherapy, chemotherapy and radiation therapy, and/or consolidation/maintenance therapy. Chemotherapy administered in conjunction with primary radiation as a radio-sensitizer WILL be counted as a systemic chemotherapy regimen. Prior hormonal therapy will not count as a prior regimen. Prior treatment with trastuzumab is allowed.
  • Eastern Cooperative Oncology Group (ECOG) performance status of 0 or 1.
  • LVEF ≥ 50% on baseline screening ECHO.
  • Resolution of adverse effects of recent surgery, radiotherapy, or chemotherapy to Grade ≤ 1 prior to first study treatment (with the exception of alopecia or clinically insignificant laboratory values).
  • Patients must have measurable disease. Measurable disease is defined by RECIST (version 1.1). Measurable disease is defined as at least one lesion that can be accurately measured in at least one dimension (longest diameter to be recorded). Each non-nodal lesion must be 10 mm when measured by CT, MRI or caliper measurement by clinical exam; or 20 mm when measured by chest x-ray. Lymph nodes must be ≥ 15 mm in short axis when measured by CT or MRI.
  • No active infection requiring antibiotics (with the exception of uncomplicated urinary tract infection).
  • Patients must be willing to provide an archival tumor block or tissue slides (at least 10-20 FFPE slides).
  • All patients must consent to mandatory pre-treatment and post-treatment core needle biopsies.
  • Patients must have adequate hematological, liver, cardiac and kidney function within 14 days prior to first treatment:
    1. Absolute neutrophil count (ANC) ≥ 1.5 x 10^9/L (> 1500 per mm^3)
    2. Platelet ≥ 100 X 109/L (>100,000 per mm^3)
    3. Hemoglobin ≥ 8.0 g/dL
    4. Serum bilirubin ≤ 1.5 x institutional upper limit of normal (ULN). (Unless Gilbert's Syndrome, for which Bilirubin ≤ 3 x institutional upper limit of normal (ULN), without concurrent clinically significant liver disease) AST (SGOT)/ALT (SGPT) ≤ 3 x institutional upper limit of normal (ULN) unless liver metastases are present, in which case it must be ≤ 5x ULN.
    5. Serum creatinine ≤ 1.5 x institutional upper limit of normal (ULN).
  • For patients of childbearing potential, agreement to use two effective forms of contraception (e.g., surgical sterilization, a reliable barrier method, birth control pills, or contraceptive hormone implants) and to continue its use for the duration of the study and for 12 weeks after the last ZW25 dose.
  • Agree to practice total abstinence when this is in line with the preferred and usual lifestyle of the subject.
    1. A woman is considered to be of childbearing potential unless 1 of the following applies: She is considered to be permanently sterile. Permanent sterilization methods include hysterectomy, bilateral salpingectomy, tubal ligation, and bilateral oophorectomy.
    2. She is postmenopausal, defined as no menses for 12 months without an alternative medical cause. A high follicle-stimulating hormone (FSH) level consistently in the postmenopausal range (30 mIU/mL or higher) may be used to confirm a postmenopausal state in women not using hormonal contraception or hormonal replacement therapy; however, in the absence of 12 months of amenorrhea, a single FSH measurement is insufficient to confirm a postmenopausal state.
    3. Female patients of childbearing potential must have a negative serum pregnancy test result less than 3 day prior to administration of the first dose of study treatment.

Patients or their legally authorized representative (LAR) must be willing and able to sign the informed consent form, and to adhere to the study visit schedule and other protocol requirements.

Exclusion Criteria:

  • Women who are pregnant or lactating or women of childbearing potential (WCBP) not protected by highly-effective contraceptive methods.
  • > Grade 1 peripheral neuropathy.
  • History of hemorrhagic or ischemic stroke within the prior six months.
  • History of NYHA Class II-IV heart failure, no serious arrhythmia.
  • History of MI or unstable angina within 6 months of study initiation.
  • Patients with a lifetime cumulative dose of anthracycline >300 mg/m2 or who have received anthracycline treatment within 90 days of the expected first dose of ZW25 are not eligible for treatment.
  • Prior hypersensitivity to monoclonal antibodies.
  • Active hepatitis B or hepatitis C infection. Patients with previously resolved hepatitis B infection are eligible. Presence of positive test results for hepatitis B infection who have resolved the infection (defined by positive for HB surface antibody (anti-HBs) and polymerase chain reaction (PCR) assay is negative for HBV DNA are eligible. Patients positive for HCV antibody are eligible only if testing for HCV RNA is negative.
  • Known HIV infection.
  • Current severe, uncontrolled systemic disease (e.g., clinically significant cardiovascular, pulmonary, or metabolic disease).
  • Major surgical procedure or significant traumatic injury within 28 days prior to Day 1 or anticipation of the need for major surgery during the course of study treatment.
  • Known untreated or active central nervous system (CNS) metastases (progressing or requiring anticonvulsants or corticosteroids for symptomatic control) leptomeningeal carcinomatosis.

Patients with a history of treated CNS metastases are eligible, provided that they meet all of the following criteria:

  1. Presence of measurable disease outside the CNS
  2. No radiographic evidence of worsening upon the completion of CNSdirected therapy and no evidence of interim progression between the completion of CNS-directed therapy and the screening radiographic study
  3. No history of intracranial hemorrhage or spinal cord hemorrhage
  4. No ongoing requirement for dexamethasone as therapy for CNS disease (anticonvulsants at a stable dose are allowed)
  5. Absence of leptomeningeal disease
    • Inability to comply with study and follow-up procedures.
    • Known allergy or hypersensitivity to the components of ZW25 formulation.
    • Any other disease, metabolic dysfunction, physical examination finding, or clinical laboratory finding that, in the investigator's opinion, gives reasonable suspicion of a disease or condition that contraindicates the use of an investigational drug or that may affect the interpretation of the results or render the patient at high risk from treatment complications.
    • Active or history of inflammatory bowel disease (IBD)
    • Severe infections within 4 weeks prior to initiation of study drug treatment, including but not limited to hospitalization for complications of infection, bacteremia, or severe pneumonia.
    • Treatment with therapeutic oral or IV antibiotics within 2 weeks prior to initiation of study treatment. Patients receiving prophylactic antibiotics (e.g., for prevention of urinary tract infection or to prevent chronic obstructive pulmonary disease exacerbation) are eligible for the study. Patients receiving antibiotic treatment for urinary tract infection are also eligible.
    • Administration of a live attenuated vaccine within 4 weeks prior to initiation of study treatment or anticipated need for such a vaccine during study. Patients must agree not to receive live, attenuated influenza vaccine (e.g., Flumist®) within 4 weeks prior to treatment.)
    • Participation in another clinical study with receipt of an investigational product during the last 4 weeks.
    • History of another primary malignancy except for:

a. Malignancy treated with curative intent and with no known active disease ≥ 2 years before the first dose of study drug and of low potential risk for recurrence. b. Adequately treated non-melanoma skin cancer or lentigo maligna without evidence of disease. c. Adequately treated carcinoma in situ without evidence of disease (e.g., cervical cancer in situ). d. Adequately treated stage 1 breast cancer.

  • Receipt of the last dose of anti-cancer therapy (chemotherapy, immunotherapy, targeted therapy, biologic therapy, tumor embolization, monoclonal antibodies) < 21 days prior to the first dose of study drug. Receipt of the last dose of hormonal therapy within < 7 days prior to the first dose of study drug.
  • Any prior radiation therapy must be discontinued at least four weeks prior to registration. QT interval corrected for heart rate (QTc) ≥ 470 ms on screening electrocardiograms (ECG).
  • History of small or large bowel obstruction within 3 months of registration, including subjects with palliative gastric drainage catheters. Subjects with palliative diverting ileostomy or colostomy are allowed if they have been symptom free for more than 3 months.
  • Subjects with refractory ascites, defined as ascites needing drainage catheter or therapeutic paracentesis more often than every 4 weeks.
  • Ongoing bowel perforation or presence of bowel fistula or abscess within 3 months of registration.
Open or close this module Contacts/Locations
Central Contact Person: Vicky Makker, MD
Telephone: 646-888-4224
Email: makkerv@mskcc.org
Central Contact Backup: Dmitriy Zamarin, MD, PhD
Telephone: 646-888-4882
Email: ZamarinD@mskcc.org
Study Officials: Vikky Makker, MD
Principal Investigator
Memorial Sloan Kettering Cancer Center
Locations: United States, New York
Memorial Sloan Kettering Cancer Center
[Recruiting]
New York, New York, United States, 10065
Contact:Contact: Vicky Makker, MD 646-888-4224
Open or close this module IPDSharing
Plan to Share IPD: Yes
Memorial Sloan Kettering Cancer Center supports the international committee of medical journal editors (ICMJE) and the ethical obligation of responsible sharing of data from clinical trials. The protocol summary, a statistical summary, and informed consent form will be made available on clinicaltrials.gov when required as a condition of Federal awards, other agreements supporting the research and/or as otherwise required. Requests for deidentified individual participant data can be made beginning 12 months after publication and for up to 36 months post publication. Deidentified individual participant data reported in the manuscript will be shared under the terms of a Data Use Agreement and may only be used for approved proposals. Requests may be made to: crdatashare@mskcc.org.
Supporting Information:
Time Frame:
Access Criteria:
URL:
Open or close this module References
Citations:
Links: Description: Memorial Sloan Kettering Cancer Center
Available IPD/Information:

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