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Mirvetuximab Soravtansine (IMGN853) and Bevacizumab in Patients With Endometrial Cancer

The safety and scientific validity of this study is the responsibility of the study sponsor and investigators. Listing a study does not mean it has been evaluated by the U.S. Federal Government. Read our disclaimer for details.
ClinicalTrials.gov Identifier: NCT03836157
Recruitment Status : Withdrawn (Study was not initiated.)
First Posted : February 11, 2019
Last Update Posted : June 27, 2019
ImmunoGen, Inc.
Information provided by (Responsible Party):
University of Oklahoma

Brief Summary:
IMGN853 is designed to inhibit cell division and cell growth of folate receptor 1 (FRα)-expressing tumor cells. The purpose of this study is to test the safety of IMGN853 and bevacizumab and see what effects (good and bad) that this combination treatment has on subjects with recurrent endometrial cancer.

Condition or disease Intervention/treatment Phase
Endometrial Cancer Endometrial Adenocarcinoma Endometrial Serous Adenocarcinoma Endometrial Clear Cell Adenocarcinoma Drug: Mirvetuximab Soravtansine Drug: Bevacizumab Phase 2

Detailed Description:

SCREENING: During the screening portion of the study, the subject will need to have tumor tissue tested and other exams to determine if s/he may proceed to the treatment part of the study. The subject's tumor tissue will be tested from either a previous or recent surgery or biopsy to see if it contains the FRα protein. If the tumor is positive and the patient meets all other eligibility, then the subject may proceed to treatment.

TREATMENT: Study drugs (IMGN853 and bevacizumab) will be given by vein (IV) once each cycle on day 1 of 21 day cycle.

Regular cancer care exams, tests, and procedures will occur. Additionally, an eye doctor visit with complete eye examination every other treatment cycle. Subjects will also self-administer eye drops as prescribed by the eye doctor.

Study participation is up to three years.

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Study Type : Interventional  (Clinical Trial)
Actual Enrollment : 0 participants
Allocation: N/A
Intervention Model: Single Group Assignment
Masking: None (Open Label)
Primary Purpose: Treatment
Official Title: Phase II Trial of Mirvetuximab Soravtansine (IMGN853) and Bevacizumab in Patients With Endometrial Cancer
Estimated Study Start Date : May 31, 2019
Estimated Primary Completion Date : November 30, 2021
Estimated Study Completion Date : May 2022

Resource links provided by the National Library of Medicine

Drug Information available for: Bevacizumab

Arm Intervention/treatment
Experimental: Mirvetuximab and Bevacizumab
  • Mirvetuximab Soravtansine 6mg/kg IV (adjusted ideal body weight), on day 1 of each 21 day cycle.
  • Bevacizumab 15 mg/kg, IV, on day 1 of each 21-day cycle.
Drug: Mirvetuximab Soravtansine
The dose will not be recalculated unless the patient has ±10% weight change.
Other Name: IMGN853

Drug: Bevacizumab
Subject will receive IMGN853 first followed by bevacizumab. There is no planned delay between the IMGN853 and bevacizumab administration.

Primary Outcome Measures :
  1. Response rate of patients who remain progression free [ Time Frame: 6 months ]
  2. Percentage of patients who remain progression free [ Time Frame: 6 months ]

Secondary Outcome Measures :
  1. Incidence of adverse events [ Time Frame: up to 3 years ]
  2. Progression free survival [ Time Frame: up to 3 years ]
  3. Overall survival [ Time Frame: up to 3 years ]

Information from the National Library of Medicine

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Ages Eligible for Study:   18 Years and older   (Adult, Older Adult)
Sexes Eligible for Study:   Female
Accepts Healthy Volunteers:   No

Inclusion Criteria:

  1. Patients with histological diagnosis of endometrial carcinoma (including others per protocol).
  2. Expression of folate receptor alpha (FRα) on either archival tumor or new biopsy is required.
  3. Measurable disease
  4. Evidence that the endometrial cancer is advanced, recurrent, or persistent and has relapsed or is refractory to curative therapy or established treatments.
  5. At least 1 prior platinum-based chemotherapeutic regimen, but not more than 2 prior chemotherapeutic regimens, for management of endometrial carcinoma. Prior treatment may include chemotherapy, or chemotherapy/radiation therapy . Chemotherapy administered in conjunction with primary radiation as a radio-sensitized therapy will be considered a systemic chemotherapy regimen
  6. Female patients 18 years or older
  7. Eastern Cooperative Oncology Group performance status of 0 to 1;
  8. Patient must have archival tumor tissue available from the primary or recurrent cancer prior to first dose. If archival tumor sample is not available, tumor sample from new biopsy is acceptable.
  9. Patients must have acceptable organ and marrow function as defined per protocol
  10. Time from prior therapy:

    1. Systemic anti-neoplastic therapy: five half-lives or four weeks, whichever is shorter. Hormonal therapy is not considered anti-neoplastic therapy.
    2. Radiotherapy: wide-field radiotherapy (e.g. > 30% of marrow-bearing bones) completed at least four weeks, or focal radiation completed at least two weeks, prior to starting study treatment
  11. Patients must have a life expectancy of at least 3 months
  12. Patients should have no major existing co-morbidities or medical conditions that will preclude therapy
  13. Ability to understand and the willingness to sign a written informed consent document, and to comply with the requirements of the protocol; with the understanding that consent may be withdrawn by the patient at any time without prejudice to future medical care.
  14. Female patients of reproductive potential and their male partners must agree to practice 1 highly effective method of contraception and 1 additional effective (barrier) method at the same time, from the time of signing the informed consent through at least twelve weeks after the last dose of IMGN853 and/ or bevacizumab.

Exclusion Criteria:

  1. Previous treatment with mirvetuximab.
  2. Invasive cancer within the past 2 years. Noninvasive non-melanoma skin cancers are not exclusions if they have undergone complete resection.
  3. Untreated or symptomatic central nervous system (CNS) metastases. Patients with asymptomatic CNS metastases are eligible provided they have been clinically stable for at least 4 weeks prior to first dose of study treatment), have no evidence of new or emerging CNS metastasis, and are not using steroids for at least 7 days prior to first dose of study treatment.
  4. Unstable angina or myocardial infarction within the previous 6 months; uncontrolled hypertension (defined as systolic blood pressure > 150 and/or diastolic blood pressure > 100 mmHg on antihypertensive medications); prior history of hypertensive crisis or hypertensive encephalopathy; symptomatic congestive heart failure (NYHA Class III and IV); uncontrolled cardiac arrhythmia; clinically-significant vascular disease (e.g. aortic aneurysm, or dissecting aneurysm), severe aortic stenosis; clinically significant peripheral vascular disease; history of any CNS cerebrovascular ischemia or stroke within the last 6 months.
  5. Active pulmonary disease or other coexisting medical condition that would preclude full compliance with the study.
  6. Receiving any other investigational agents.
  7. History of prior severe infusion reaction to a monoclonal antibody. Patients with known hypersensitivity of Chinese hamster ovary cell products or other recombinant human antibodies.
  8. Persisting ≥Grade 2 toxicity (except alopecia) from previous anti-cancer treatment.
  9. Patients with > Grade 1 peripheral neuropathy
  10. Active or chronic corneal disorder, including but not limited to the following:

    • Sjogren's syndrome
    • Fuchs corneal dystrophy (requiring treatment)
    • History of corneal transplantation
    • Active herpetic keratitis
    • Active ocular conditions requiring on-going treatment/monitoring such as wet age-related macular degeneration requiring intravitreal injections, active diabetic retinopathy with macular edema, presence of papilledema, and monocular vision.
  11. Serious concurrent illness or clinically-relevant active infection, including but not limited to the following:

    • Known active hepatitis B or C
    • Known Human Immunodeficiency Virus (HIV) infection
    • Varicella-zoster virus (shingles)
    • Cytomegalovirus infection
    • Any other known concurrent infectious disease, requiring IV antibiotics within 2 weeks of study enrollment
  12. History of cirrhotic liver disease
  13. History or evidence of thrombotic or hemorrhagic disorders within 6 months before first study treatment
  14. Required used of folate-containing supplements (e.g. for folate deficiency)
  15. Pregnancy
  16. History of bowel obstruction (including subocclusive disease) related to underlying disease within 6 months of study treatment.
  17. Clinically-significant proteinuria defined per protocol

Information from the National Library of Medicine

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.

Please refer to this study by its ClinicalTrials.gov identifier (NCT number): NCT03836157

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United States, Oklahoma
Stephenson Cancer Center
Oklahoma City, Oklahoma, United States, 73104
Sponsors and Collaborators
University of Oklahoma
ImmunoGen, Inc.
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Responsible Party: University of Oklahoma
ClinicalTrials.gov Identifier: NCT03836157    
Other Study ID Numbers: OUSCC-IMGN-001
First Posted: February 11, 2019    Key Record Dates
Last Update Posted: June 27, 2019
Last Verified: June 2019
Individual Participant Data (IPD) Sharing Statement:
Plan to Share IPD: No

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Studies a U.S. FDA-regulated Drug Product: Yes
Studies a U.S. FDA-regulated Device Product: No
Keywords provided by University of Oklahoma:
Mirvetuximab soravtansine
gynecologic cancer
Additional relevant MeSH terms:
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Endometrial Neoplasms
Cystadenocarcinoma, Serous
Adenocarcinoma, Clear Cell
Neoplasms, Glandular and Epithelial
Neoplasms by Histologic Type
Uterine Neoplasms
Genital Neoplasms, Female
Urogenital Neoplasms
Neoplasms by Site
Uterine Diseases
Neoplasms, Cystic, Mucinous, and Serous
Antineoplastic Agents, Immunological
Antineoplastic Agents
Angiogenesis Inhibitors
Angiogenesis Modulating Agents
Growth Substances
Physiological Effects of Drugs
Growth Inhibitors
Antineoplastic Agents, Phytogenic
Tubulin Modulators
Antimitotic Agents
Mitosis Modulators
Molecular Mechanisms of Pharmacological Action