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Clinical Trial 20017

Cancer Type: Gynecological Tumor
Study Type: Treatment
NCT#: NCT03587311

Phase: Phase II
Principal Investigator: Chern, Jing-Yi

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Study Title

A Randomized Phase 2 Study of Bevacizumab and Either Weekly Anetumab Ravtansine or Weekly Paclitaxel in Platinum-Resistant or Platinum Refractory Ovarian Cancer


This phase II trial studies the side effects of bevacizumab and anetumab ravtansine or paclitaxel in treating participants with ovarian, fallopian tube, or primary peritoneal cancer that does not respond to treatment. Monoclonal antibodies, such as bevacizumab and anetumab ravtansine, may interfere with the ability of tumor cells to grow and spread. Drugs used in chemotherapy, such as paclitaxel, work in different ways to stop the growth of tumor cells, either by killing the cells, by stopping them from dividing, or by stopping them from spreading. It is not yet known whether giving bevacizumab and anetumab ravtansine or paclitaxel may work better in treating participants with ovarian, fallopian tube, or primary peritoneal cancer.


Primary objectives: To assess the safety and tolerability of the combination of weekly anetumab and bi-weekly bevacizumab. To determine whether the progression free survival (PFS) of the combination weekly anetumab and bi-weekly bevacizumab is superior to weekly paclitaxel and bi-weekly bevacizumab. Secondary Objectives: To determine the overall response rate (ORR) according to RECIST v1.1. To evaluate the PK profiles of weekly anetumab in serum and in peripheral blood mononuclear cells (PBMCs). To evaluate anti-drug antibody (ADA) titers (only for patients receiving anetumab). To evaluate mononuclear phagocyte system (MPS) function, Fc-gamma receptors (FcxRs), hormone and chemokine mediators. To correlate the expression of CA125 (IHC & serum) with mesothelin expression in archival tissue and circulating megakaryocyte potentiating factor (MPF). To investigate blood-based angiome profiling as a potential biomarker. To characterize the molecular profile of archival tumor tissue using the Oncomine panel, and explore whether genomic mutations such as BRCA1/2 and homologous repair deficiency status are associated with clinical outcome. Exploratory Objective: To assess tumor tissue-based VEGF-dependent gene expression signature as a biomarker of response.



Therapy (NOS)


Anetumab Ravtansine (BAY 94-9343) (); Avastin (Bevacizumab); Bevacizumab (); Taxol (paclitaxel); paclitaxel ()

Inclusion Criteria

  • Participants must have histologically or cytologically confirmed high grade serous or high grade endometrioid ovarian, fallopian tube, primary peritoneal cancer
  • Participants must have platinum resistant (platinum-free interval > Participants must have radiologic evidence of disease progression
  • Criteria only for the randomized phase 2 part: Patients must have measurable disease, defined as at least one lesion that can be accurately measured in at least one dimension (longest diameter to be recorded for non-nodal lesions and short axis for nodal lesions) as ≥20 mm with conventional techniques or as ≥10mm with spiral CT scan, MRI, or calipers by clinical exam.
  • Eastern Cooperative Oncology Group (ECOG) performance status == 60%)
  • Laboratory values outlined per protocol
  • Ongoing prior toxicities related to previous treatments must be recovered to > Criteria only for the randomized phase 2 part: mesothelin screen positive determined from archival tumor tissue and to be performed centrally. MSLN-positive is defined as >= 30% of tumor cells with membrane staining intensities >= 2+. For the run-in-phase 1, participants will not be selected based on the mesothelin expression
  • Participants with known brain metastases are not excluded from this clinical trial. Participants who received palliative radiation (for brain metastases) are eligible if they have been asymptomatic for at least 4 weeks without use of maintenance steroid therapy, and last received radiation at least 4 weeks prior to proposed start of therapy
  • Ability to understand and the willingness to sign a written informed consent document. Participants with Impaired Decision Making Capacity (IDMC) can have a Legally Authorized Representative sign on their behalf. Documentation, such as a Power of Attorney, must be presented in order for a substitute decision maker to be allowed

  • Exclusion Criteria

  • Participants who have had chemotherapy or radiotherapy within 4 weeks (6 weeks for nitrosoureas or mitomycin C) prior to entering the study
  • Participants who are receiving any other investigational agents
  • History of severe allergic reactions attributed to compounds of similar chemical or biologic composition to bevacizumab, anetumab ravtansine or paclitaxel
  • Participants receiving any medications or substances that are strong inhibitors or inducers of CYP3A4 are ineligible. As part of the enrollment/informed consent procedures, the participant will be counseled on the risk of interactions with other agents, and what to do if new medications need to be prescribed or if the participant is considering a new over-the-counter medicine or herbal product. Strong inhibitors and inducers of CYP3A4 are prohibited within 2 weeks before the start of and during treatment. Strong inhibitors and inducers of CYP2C8 should be used with caution; the PI of the study is to be consulted regarding their use
  • Uncontrolled intercurrent illness including, but not limited to, ongoing or active infection, symptomatic congestive heart failure, or psychiatric illness/social situations that would limit compliance with study requirements
  • Pregnant women are excluded from this study because of the potential for teratogenic or abortifacient effects. Because there is an unknown but potential risk for adverse events in nursing infants secondary to treatment of the mother, breastfeeding should be discontinued during the study and for at least 6 months after last dose of study drugs. These potential risks may also apply to other agents used in this study. Women of child-bearing potential who do not agree to use adequate contraceptive measures during study therapy and for at least 6 months after the completion of study therapy will be excluded. Should a participant become pregnant or suspect she is pregnant while she is participating in this study, the participant should inform the treating physician immediately
  • Serious or non-healing wound, ulcer or bone fracture
  • History of abdominal fistula, gastrointestinal perforation or intra-abdominal abscess within 6 months prior to day 1
  • Invasive procedures defined as follows: Major surgical procedure or significant traumatic injury within 28 days prior to day 1 therapy, or open biopsy within 7 days prior to day 1 therapy or Anticipation of need for major surgical procedures during the course of the study
  • Significant vascular disease (e.g., aortic aneurysm, requiring surgical repair or recent peripheral arterial thrombosis) within 6 months prior to day 1
  • Participants with clinically significant cardiovascular disease are excluded. Please see protocol for specifics.
  • Evidence of bleeding diathesis or coagulopathy
  • Participants with known hypersensitivity to Chinese hamster ovary cell products or other recombinant human antibodies
  • Current symptom of keratitis or retinopathy at >= grade 2
  • Resting electrocardiogram (ECG) with corrected QT interval by Fridericia (QTcF) > 470 msec or family history of long QT syndrome
  • History of bowel obstruction within 28 days from proposed start of treatment
  • History or evidence of arterial thrombotic or hemorrhagic disorders within 3 months before proposed start of treatment, non-healing wound, ulcer, or bone fracture
  • Prior use of weekly paclitaxel or bevacizumab in the platinum resistant (disease progression within 6 months of platinum based chemotherapy)/refractory (disease progression during or following the 3 months of the first line platinum based chemotherapy) setting
  • Known active human immunodeficiency virus (HIV) or hepatitis B or C infection

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