Ovarian Cancer Clinical Trial
Antitumor Activity of Neoadjuvant Chemotherapy With or Without BINTRAFUSP ALFA in Patients With Metastatic Advanced Stage Ovarian Cancer
In this study, the safety, tolerability, and anti-tumor activity of BINTRAFUSP ALFA in combination with chemotherapy will be assessed in patients with advanced stage ovarian cancer undergoing neoadjuvant chemotherapy.
BINTRAFUSP ALFA (M7824) is a bifunctional fusion protein that combines an anti-PD-L1 antibody and the extracellular domain of TGFβ receptor II (TGFβRII) as a TGFβ neutralizing 'trap', into a single molecule. The novel design of BINTRAFUSP ALFA (M7824), which neutralizes TGFβ and simultaneously inhibits the anti-PD-L1 pathway in the tumor microenvironment, may be more effective than agents targeting PD-L1 and TGFβ separately. In this trial, approximately 33 total patients are expected to be enrolled. The first phase of the study will be the safety lead in in 6 patients with advanced stage (stage III-IV) ovarian cancer undergoing neoadjuvant settings. Then 27 patients will be enrolled and randomized in 2:1 design to received standard chemotherapy with carboplatin/paclitaxel +/- M7824 respectively (N=18:9). Participants will be randomized so that there will be 24 PD-evaluable participants treated with standard of care chemotherapy plus BINTRAFUSP ALFA and 9 participants treated with standard of care chemotherapy at the end of the study. The control arm is strictly for comparison of the exploratory endpoints, although the primary and secondary endpoints will be presented for both arms, separately. The goal of including 9 patients in the control group is for comparison of the translational endpoint and not the clinical endpoint. For both regimens: M7824 (2400 mg flat dose iv on day 1 every 21 days) with chemotherapy including carboplatin AUC 5 and paclitaxel 175 mg/m2 on day 1 of 21-day cycle. Interval debulking surgery will be planned after 4 cycles. Chemotherapy will be planned for 6-8 cycles then maintenance M7824 will be continued for at 12 months.
Female participants who are at least 18 years of age on the day of signing informed consent with histologically confirmed diagnosis of ovarian cancer who meets below inclusion criteria will be enrolled in this study.
Capable of giving signed informed consent which includes compliance with the requirements and restrictions listed in the informed consent form (ICF) and in this protocol.
Provision of signed and dated, written informed consent form prior to any mandatory study specific procedures, sampling, and analyses.
A female participant is eligible to participate if she is not pregnant (see Appendix E), not breastfeeding, and at least one of the following conditions applies:
d1. Not a woman of childbearing potential (WOCBP) as defined in Appendix E
d2. A WOCBP who agrees to follow the contraceptive guidance in Appendix E during the treatment period and for at least 120 days after the last dose of study treatment.
Diagnosis/Condition for Entry into the Trial:
World Health Organization (WHO)/Eastern Cooperative Oncology Group (ECOG) performance status (PS) of 0, 1 or 2 at enrollment.
Must have a life expectancy of at least 12 weeks
Patients with histologically or cytologically confirmed epithelial ovarian, fallopian or primary peritoneal cancer. patients should have diagnosis of advanced stage (III-IV) ovarian cancer who are planned to have neoadjuvant chemotherapy with carboplatin and paclitaxel.
High grade serous histology
Patients have to be chemo-naïve with no prior chemotherapy or any therapy for ovarian cancer.
Confirmation of measurable disease based on RECIST 1.1 by investigators at Screening will be used to determine patient eligibility and imaging shows at least 1 lesion that is appropriate for selection as a target lesion per RECIST 1.1 is required prior to patient treatment. Tumor assessment by computed tomography (CT) scan or magnetic resonance imaging (MRI) must be performed within 28 days prior to C1D1.
All patients enrolled must be ICI-naïve patients defined as no prior exposure to immune-mediated therapy including, but not limited to, other anti CTLA-4, anti-PD-1, anti-PD-L1, and anti-programmed cell death ligand 2 (anti-PD-L2) antibodies, excluding therapeutic anticancer vaccines.
All patients must be able to provide a tumor tissue either archival tissue or newly acquired tumor biopsy. The tumor specimen should be of sufficient quantity to allow for exploratory biomarker analyses.
Have adequate organ function as defined in Table 1. Specimens must be collected within 7 days prior to the start of study treatment.
A WOCBP who has a positive urine pregnancy test within 72 hours prior to allocation. If the urine test is positive or cannot be confirmed as negative, a serum pregnancy test will be required. (Note: in the event that 72 hours have elapsed between the screening pregnancy test and the first dose of study treatment, another pregnancy test (urine or serum) must be performed and must be negative in order for subject to start receiving study medication).
Is pregnant or breastfeeding or expecting to conceive or father children within the projected duration of the study, starting with the screening visit through 120 days after the last dose of study treatment.
Prior/Concurrent Clinical Study Experience:
1. Is currently participating in or has participated in a study of an investigational agent or has used an investigational device within 4 weeks prior to the first dose of study treatment. (Note: Patients who have entered the follow-up phase of an investigational study may participate as long as it has been 4 weeks after the last dose of the previous investigational agent.)
Has received prior therapy with an anti-PD-1, anti-PD-L1, or anti PD L2 agent or with an agent directed to another stimulatory or co-inhibitory T-cell receptor (eg, CTLA-4, OX 40, CD137)
Has received prior systemic anti-cancer therapy including investigational agents within 4 weeks [could consider shorter interval for kinase inhibitors or other short half-life drugs] prior to treatment.
Note: Patients must have recovered from all AEs due to previous therapies to ≤Grade 1 or baseline. Patients with ≤Grade 2 neuropathy may be eligible.
Note: If patient received major surgery, they must have recovered adequately from the toxicity and/or complications from the intervention prior to starting study treatment.
Has received prior radiotherapy within 2 weeks of start of study treatment. Patients must have recovered from all radiation-related toxicities, not require corticosteroids, and not have had radiation pneumonitis. A 1-week washout is permitted for palliative radiation (≤2 weeks of radiotherapy) to non-central nervous system (CNS) disease.
Has received a live vaccine within 30 days prior to the first dose of study drug. Examples of live vaccines include, but are not limited to, the following: measles, mumps, rubella, varicella/zoster (chicken pox), yellow fever, rabies, Bacillus Calmette-Guérin (BCG), and typhoid vaccine.Seasonal influenza vaccines for injection are generally killed virus vaccines and are allowed.
Hypersensitivity reaction to BINTRAFUSP ALFA. Known severe hypersensitivity (Grade ≥ 3 NCI CTCAE 5.0) to investigational product or any component in its formulations, any history of anaphylaxis, or recent, within 5 months, history of uncontrollable asthma.
Is currently participating in or has participated in a study of an investigational agent or has used an investigational device within 4 weeks prior to the first dose of study intervention. (Note: Participants who have entered the follow-up phase of an investigational study may participate as long as it has been 4 weeks after the last dose of the previous investigational agent.)
Has a diagnosis of immunodeficiency or is receiving chronic systemic steroid therapy (in dosing exceeding 10 mg daily of prednisone equivalent) or any other form of immunosuppressive therapy within 7 days prior the first dose of study drug.
Has a history of a second malignancy, unless potentially curative treatment has been completed with no evidence of malignancy for 2 years.
Note: The time requirement does not apply to participants who underwent successful definitive resection of basal cell carcinoma of the skin, squamous cell carcinoma of the skin, superficial bladder cancer, in situ cervical cancer, or other in-situ cancers.
Has known active CNS metastases and/or carcinomatous meningitis. Participants with previously treated brain metastases may participate provided they are radiologically stable, i.e. without evidence of progression for at least 4 weeks by repeat imaging (note that the repeat imaging should be performed during study screening), clinically stable and without requirement of steroid treatment for at least 14 days prior to first dose of study intervention.
Has an active autoimmune disease that has required systemic treatment in past 2 years (i.e., with use of disease modifying agents, corticosteroids or immunosuppressive drugs). Replacement therapy (e.g., thyroxine, insulin, or physiologic corticosteroid replacement therapy for adrenal or pituitary insufficiency) is not considered a form of systemic treatment and is allowed.
Has a history of (non-infectious) pneumonitis that required steroids or has current pneumonitis.
Has an active infection requiring systemic intravenous therapy.
Has a known history of human immunodeficiency virus (HIV) infection or HIV test (+) in screening test. No HIV testing is required unless mandated by local health authority. Patients with HIV infection with following exception are allowed: HIV-infected patients on effective anti-retroviral therapy with undetectable viral load within 6 months of enrollment are eligible for this trial.
Has a known history of Hepatitis B (defined as Hepatitis B surface antigen [HBsAg] reactive) or known active Hepatitis C virus (defined as HCV RNA [qualitative] is detected) infection except following situation: Patients with a known history of Hepatitis B (defined as Hepatitis B surface antigen [HBsAg] reactive) or known active Hepatitis C virus (defined as HCV RNA [qualitative] is detected) infection are allowed to be included if: participant on a stable dose of antiviral therapy, HBV viral load below the limit of quantification. HCV viral load below the limit of quantification.
Has a known history of active tuberculosis (TB).
History of bleeding diathesis or recent major bleeding events (i.e., Grade ≥ 2 bleeding events in the month prior treatment)
Uncontrolled intercurrent illness, including but not limited to, ongoing or active infection, symptomatic congestive heart failure (New York Heart Association Class III/IV), uncontrolled hypertension (≥150/90mmHg), unstable angina pectoris or myocardial infarction (≤ 6 months prior to screening), uncontrolled cardiac arrhythmia, clinically significant cardiac valvulopathy requiting treatment, active interstitial lung disease, serious chronic gastrointestinal conditions associated with diarrhea, or psychiatric illness/social situations that would limit compliance with study requirement, substantially increase risk of incurring AEs or compromise the ability of the patient to give written informed consent
QT interval corrected for heart rate using Fridericia's formula (QTcF) ≥450 ms in male and ≥470 ms in female calculated from 12-lead ECGs
Has a history or current evidence of any condition, therapy, or laboratory abnormality that might confound the results of the study, interfere with the patient's participation for the full duration of the study, or is not in the best interest of the patient to participate, in the opinion of the treating investigator.
Has known psychiatric or substance abuse disorders that would interfere with cooperation with the requirements of the trial.
Is pregnant or breastfeeding or expecting to conceive or father children within the projected duration of the study, starting with the screening visit through 120 days after the last dose of trial treatment.
Has had an allogenic tissue/solid organ transplant.
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