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APL-2 and Pembrolizumab Versus APL-2, Pembrolizumab and Bevacizumab Versus Bevacizumab Alone for the Treatment of Recurrent Ovarian, Fallopian Tube, or Primary Peritoneal Cancer and Malignant Effusion

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ClinicalTrials.gov Identifier: NCT04919629
Recruitment Status : Not yet recruiting
First Posted : June 9, 2021
Last Update Posted : September 14, 2021
Sponsor:
Information provided by (Responsible Party):
Roswell Park Cancer Institute

Brief Summary:
This phase randomized phase 2 clinical trial to study the safety and effect of C3 complement inhibitor APL-2 (Pegcetacoplan) alone and in combination with Pembrolizumab, as well as APL-2 in combination with both Bevacizumab and Pembrolizumab in patients with recurrent ovarian, fallopian tube or primary peritoneal cancer with symptomatic malignant effusion (ascites or pleural effusion). APL-2 (Pegcetacoplan) is the lead drug in the class of compstatins, which are synthetic peptides that bind to C3 and inhibit the classical and alternative pathway C3 convertase formation required for complement activation. The rationale for using APL-2 in recurrent ovarian, fallopian tube and primary peritoneal cancer with recurrent malignant effusion is two-fold: (1) to decrease the immune system suppressing neutrophil cell accumulation in tumor tissue thereby making immune check point blockade more effective; and (2) to prevent generation of anaphylatoxins (C3a, C4a, and C5a) that increase vessel permeability and lead to malignant fluid accumulation. The current standard for palliation of ascites and/or pleural effusions in recurrent ovarian/fallopian tube/primary peritoneal cancer involves the use of bevacizumab alone or combined with a chemotherapy drug as well as repeated drainage of the fluid.

Condition or disease Intervention/treatment Phase
Fallopian Tube Carcinosarcoma Fallopian Tube Adenocarcinoma Fallopian Tube Serous Adenocarcinoma Ovarian Carcinosarcoma Ovarian Clear Cell Adenocarcinoma Ovarian Endometrioid Adenocarcinoma Ovarian Serous Adenocarcinoma Primary Peritoneal Adenocarcinoma Recurrent Fallopian Tube Carcinoma Recurrent Ovarian Carcinoma Recurrent Primary Peritoneal Carcinoma Biological: Bevacizumab Biological: Pegcetacoplan Biological: Pembrolizumab Other: Quality-of-Life Assessment Other: Questionnaire Administration Phase 2

Detailed Description:

PRIMARY OBJECTIVES:

I. Determine the safety of APL-2 (Pegcetacoplan) alone and in combination with pembrolizumab, and APL-2 in combination with both bevacizumab and pembrolizumab in patients with recurrent ovarian cancer with symptomatic malignant effusion II. Effect of therapy on of malignant effusion measured by total volume of effusion drained every 3 weeks (patient diary and/or drained volume).

SECONDARY OBJECTIVES:

I. Determine progression-free survival (PFS), objective response rate (ORR), disease control rate (DCR) and overall survival (OS) II. Changes in quality of life measures during the clinical trial

This is a single center, randomized, Phase 2 clinical trial of APL-2 in combination with Pembrolizumab or in combination with Bevacizumab and Pembrolizumab vs. Bevacizumab alone in patients with recurrent ovarian/fallopian tube/primary peritoneal cancer and persistent malignant effusions.

A safety-lead in cohort of 3-5 patients, (patients will receive APL-2 alone for 2 weeks prior to adding pembrolizumab or pembrolizumab and bevacizumab) will be recruited to assess the safety of APL-2 alone, determine PK/PD levels is serum and malignant effusion and to test the short-term single-agent APL-2 effects on malignant effusion. If no concerning treatment limiting toxicity signal is seen, the randomized expansion cohorts (2B) are allowed to start. Patients will be randomized to 1 of 3 cohorts (2 experimental arms and 1 standard of care control arm).

COHORT 2B-1: APL-2 (Pegcetacoplan) and pembrolizumab (experimental arm)

COHORT 2B-2: Pegcetacoplan, pembrolizumab and bevacizumab (experimental arm)

COHORT 2B-3: Bevacizumab only (control arm)

Treatment repeats every 3 weeks and treatment will continue until disease progression, patient withdrawal or unacceptable toxicity. After completion of study treatment, patients are followed up at 30 days and then every 12 weeks thereafter up to 3 years.

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Study Type : Interventional  (Clinical Trial)
Estimated Enrollment : 40 participants
Allocation: Randomized
Intervention Model: Parallel Assignment
Masking: None (Open Label)
Primary Purpose: Treatment
Official Title: Randomized Phase 2 Trial of APL-2 With Pembrolizumab vs. APL-2 With Pembrolizumab and Bevacizumab vs. Bevacizumab Alone in Patients With Recurrent Ovarian Cancer and Persistent Malignant Effusion
Estimated Study Start Date : October 1, 2021
Estimated Primary Completion Date : October 1, 2024
Estimated Study Completion Date : October 1, 2025


Arm Intervention/treatment
Experimental: Cohort 2B-1 (pegcetacoplan, pembrolizumab) Biological: Pegcetacoplan
Given IV (only for loading dose) and SC
Other Names:
  • APL 2
  • APL-2
  • APL2

Biological: Pembrolizumab
Given IV
Other Names:
  • Keytruda
  • Lambrolizumab
  • MK-3475
  • SCH 900475

Other: Questionnaire Administration
Ancillary studies

Experimental: Cohort 2B-2 (pegcetacoplan, pembrolizumab, bevacizumab) Biological: Bevacizumab
Given IV
Other Names:
  • ABP 215
  • Anti-VEGF
  • Anti-VEGF Humanized Monoclonal Antibody
  • Anti-VEGF rhuMAb
  • Avastin
  • Bevacizumab awwb
  • Bevacizumab Biosimilar ABP 215
  • Bevacizumab Biosimilar BEVZ92
  • Bevacizumab Biosimilar BI 695502
  • Bevacizumab Biosimilar CBT 124
  • Bevacizumab Biosimilar CT-P16
  • Bevacizumab Biosimilar FKB238
  • Bevacizumab Biosimilar GB-222
  • Bevacizumab Biosimilar HD204
  • Bevacizumab Biosimilar HLX04
  • Bevacizumab Biosimilar IBI305
  • Bevacizumab Biosimilar LY01008
  • Bevacizumab Biosimilar MIL60
  • Bevacizumab Biosimilar Mvasi
  • Bevacizumab Biosimilar QL 1101
  • Bevacizumab Biosimilar RPH-001
  • Bevacizumab Biosimilar SCT501
  • Bevacizumab Biosimilar Zirabev
  • Bevacizumab-awwb
  • Bevacizumab-bvzr
  • BP102
  • BP102 Biosimilar
  • HD204
  • Immunoglobulin G1 (Human-Mouse Monoclonal rhuMab-VEGF Gamma-Chain Anti-Human Vascular Endothelial Growth Factor), Disulfide With Human-Mouse Monoclonal rhuMab-VEGF Light Chain, Dimer
  • Mvasi
  • Recombinant Humanized Anti-VEGF Monoclonal Antibody
  • rhuMab-VEGF
  • SCT501
  • Zirabev

Biological: Pegcetacoplan
Given IV (only for loading dose) and SC
Other Names:
  • APL 2
  • APL-2
  • APL2

Biological: Pembrolizumab
Given IV
Other Names:
  • Keytruda
  • Lambrolizumab
  • MK-3475
  • SCH 900475

Other: Quality-of-Life Assessment
Ancillary studies
Other Name: Quality of Life Assessment

Other: Questionnaire Administration
Ancillary studies

Experimental: Cohort 2B-3 (bevacizumab) Biological: Bevacizumab
Given IV
Other Names:
  • ABP 215
  • Anti-VEGF
  • Anti-VEGF Humanized Monoclonal Antibody
  • Anti-VEGF rhuMAb
  • Avastin
  • Bevacizumab awwb
  • Bevacizumab Biosimilar ABP 215
  • Bevacizumab Biosimilar BEVZ92
  • Bevacizumab Biosimilar BI 695502
  • Bevacizumab Biosimilar CBT 124
  • Bevacizumab Biosimilar CT-P16
  • Bevacizumab Biosimilar FKB238
  • Bevacizumab Biosimilar GB-222
  • Bevacizumab Biosimilar HD204
  • Bevacizumab Biosimilar HLX04
  • Bevacizumab Biosimilar IBI305
  • Bevacizumab Biosimilar LY01008
  • Bevacizumab Biosimilar MIL60
  • Bevacizumab Biosimilar Mvasi
  • Bevacizumab Biosimilar QL 1101
  • Bevacizumab Biosimilar RPH-001
  • Bevacizumab Biosimilar SCT501
  • Bevacizumab Biosimilar Zirabev
  • Bevacizumab-awwb
  • Bevacizumab-bvzr
  • BP102
  • BP102 Biosimilar
  • HD204
  • Immunoglobulin G1 (Human-Mouse Monoclonal rhuMab-VEGF Gamma-Chain Anti-Human Vascular Endothelial Growth Factor), Disulfide With Human-Mouse Monoclonal rhuMab-VEGF Light Chain, Dimer
  • Mvasi
  • Recombinant Humanized Anti-VEGF Monoclonal Antibody
  • rhuMab-VEGF
  • SCT501
  • Zirabev

Other: Quality-of-Life Assessment
Ancillary studies
Other Name: Quality of Life Assessment

Other: Questionnaire Administration
Ancillary studies




Primary Outcome Measures :
  1. Accumulation of effusion (Phase 2b) [ Time Frame: Up to 3 years ]
    Will determine the effect of therapy on accumulation of effusion measured by total volume removed every 3 weeks. The change in accumulation of effusion (relative to pre-treatment) will be modeled as a function of cohort, time-point, their two-way interaction, baseline levels, and a random subject effect using a linear mixed model. The change will be compared: a) over-time within each cohort, and b) between the control cohort (cohort C) and each dosing cohort (cohorts A and B) using two-sided Bonferroni or Dunnet adjusted tests about the appropriate contrasts of model estimates. The model assumptions will be evaluated graphically, and transformations will be applied as appropriate.


Secondary Outcome Measures :
  1. Overall survival [ Time Frame: From treatment until death or last follow-up, assessed up to 3 years ]
    Will be summarized by cohort using standard Kaplan-Meier methods. As an exploratory analysis, the two dosing cohorts (cohorts A and B) may be compared to the control cohort (cohort C) compared using one-sided log-rank tests.

  2. Progression free survival (PFS) [ Time Frame: From treatment initiation until disease progression, death, or last disease assessment (censored), assessed up to 3 years ]
    Will be summarized by cohort using standard Kaplan-Meier methods, where estimates of median PFS are obtained with 90% confidence intervals. As an exploratory analysis, the two dosing cohorts (cohorts A and B) may be compared to the control cohort (cohort C) compared using one-sided log-rank tests.

  3. Best response [ Time Frame: Up to 3 years ]
    Will be summarized by cohort using frequencies and relative frequencies.

  4. Overall response rate [ Time Frame: Up to 3 years ]
    Defined as the proportion of patients who have a partial or complete response to therapy. Will be estimated by cohort using 95% confidence intervals obtained by Jeffrey's prior method.

  5. Disease control rate [ Time Frame: Up to 3 years ]
    Defined as the percentage of patients with advanced or metastatic cancer who have achieved complete response, partial response and stable disease. Will be estimated by cohort using 95% confidence intervals obtained by Jeffrey's prior method.

  6. Quality of life (QOL) scores [ Time Frame: Up to 3 years ]
    The QoL scores will be summarized by cohort and time-point using the appropriate descriptive statistics. Each QoL score will be model as a function of cohort, time, their two-way interaction, and a random subject effect using a linear mixed model. Comparisons between cohorts within timepoint or between timepoints within cohort will be made using tests about the appropriate contrasts of model estimates. All model assumptions will be evaluated graphically, and transformations will be applied as appropriate.



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

Inclusion Criteria:

  • Age >= 18 years of age on day of signing informed consent
  • Recurrent epithelial ovarian/fallopian tube or primary peritoneal cancer (serous, clear cell, endometrioid, mixed or poorly differentiated or carcinosarcoma) based on imaging or synchronous primary ovarian and uterine cancer patients with any of the histology subtypes mentioned above regardless of platinum sensitivity, prior stage or number of prior treatment lines
  • Symptomatic ascites or pleural effusion or both requiring >= 1 drainage within 4-weeks of study entry or has a peritoneal/pleural drainage catheter in place to control symptoms
  • Have an Eastern Cooperative Oncology Group (ECOG) performance status of 0-2
  • Patient has not received bevacizumab or pembrolizumab or other immune checkpoint inhibitor treatment for 3 months prior to enrollment
  • Life expectancy of >= 3 months
  • Participants of childbearing potential must have a negative urine or serum pregnancy within 72 hours prior to receiving the first dose of study medication. If the urine test is positive or cannot be confirmed as negative, a serum pregnancy test will be required
  • Participants of childbearing potential must be willing to use 2 methods of birth control or be surgically sterile or abstain from heterosexual activity for the course of the study through 90 days after the last dose of study medication (participants of childbearing potential are those who have not been surgically sterilized or have not been free from menses for > 1 year). Should a woman become pregnant or suspect she is pregnant while she is participating in this study, she should inform her treating physician immediately
  • Willing and able to self-administer APL-2 (Pegcetacoplan) (administration by caregiver will be allowed)
  • No known absolute contraindication to bevacizumab and/or pembrolizumab treatment per enrolling provider
  • Willing to receive vaccination against Neisseria meningitidis, Streptococcus pneumoniae, and Hemophilus influenzae if randomized into an APL-2 (Pegcetacoplan) receiving arm, and if not already vaccinated
  • Participant must understand the investigational nature of this study and sign an Independent Ethics Committee/Institutional Review Board approved written informed consent form prior to receiving any study related procedure

Exclusion Criteria:

  • Is currently receiving any additional cancer therapy or participating or used an investigational drug or device within 3 weeks of the first dose of treatment
  • Has a diagnosis of immunodeficiency or is receiving systemic steroid therapy or any other form of immunosuppressive therapy within 7 days prior to the first dose of trial treatment or, is taking any other medication that might affect immune function
  • Has active autoimmune disease that has required systemic treatment in the past 3 months (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
  • Has an active infection requiring systemic therapy
  • Has a history or current evidence of any condition, therapy, or laboratory abnormality that might confound the results of the trial, interfere with the participant's participation for the full duration of the trial, or is not in the best interest of the patient to participate, in the opinion of the treating investigator
  • Pregnancy or lactation
  • Unwilling or unable to follow protocol requirements
  • Any condition which in the investigator's opinion deems the participant an unsuitable candidate to receive study drug

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): NCT04919629


Locations
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United States, New York
Roswell Park Cancer Institute
Buffalo, New York, United States, 14263
Contact: Emese Zsiros    716-845-8337    Emese.Zsiros@roswellpark.org   
Principal Investigator: Emese Zsiros         
Sponsors and Collaborators
Roswell Park Cancer Institute
Investigators
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Principal Investigator: Emese Zsiros Roswell Park Cancer Institute
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Responsible Party: Roswell Park Cancer Institute
ClinicalTrials.gov Identifier: NCT04919629    
Other Study ID Numbers: I 798120
NCI-2021-04265 ( Registry Identifier: CTRP (Clinical Trial Reporting Program) )
I 798120 ( Other Identifier: Roswell Park Cancer Institute )
First Posted: June 9, 2021    Key Record Dates
Last Update Posted: September 14, 2021
Last Verified: September 2021

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Studies a U.S. FDA-regulated Drug Product: Yes
Studies a U.S. FDA-regulated Device Product: No
Product Manufactured in and Exported from the U.S.: Yes
Additional relevant MeSH terms:
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Sarcoma
Carcinoma
Adenocarcinoma
Cystadenocarcinoma, Serous
Carcinoma, Endometrioid
Carcinosarcoma
Mixed Tumor, Mullerian
Adenocarcinoma, Clear Cell
Neoplasms, Glandular and Epithelial
Neoplasms by Histologic Type
Neoplasms
Ovarian Neoplasms
Neoplasms by Site
Ovarian Diseases
Adnexal Diseases
Genital Neoplasms, Female
Urogenital Neoplasms
Endocrine System Diseases
Gonadal Disorders
Cystadenocarcinoma
Neoplasms, Cystic, Mucinous, and Serous
Endometrial Neoplasms
Uterine Neoplasms
Neoplasms, Complex and Mixed
Neoplasms, Connective and Soft Tissue
Bevacizumab
Antineoplastic Agents, Immunological
Pembrolizumab
Endothelial Growth Factors
Antibodies