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PembROlizuMab Immunotherapy Versus Standard Chemotherapy for Advanced prE-treated Malignant Pleural Mesothelioma (PROMISE-meso)

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ClinicalTrials.gov Identifier: NCT02991482
Recruitment Status : Active, not recruiting
First Posted : December 13, 2016
Last Update Posted : June 26, 2018
Sponsor:
Collaborators:
Merck Sharp & Dohme Corp.
Frontier Science Foundation, Hellas
Information provided by (Responsible Party):
European Thoracic Oncology Platform

Brief Summary:
Trial comparing standard treatment (chemotherapy) with pembrolizumab treatment in patients with advanced pretreated malignant mesothelioma.

Condition or disease Intervention/treatment Phase
Pleural Mesothelioma Malignant Advanced Drug: Pembrolizumab Drug: Gemcitabine Drug: Vinorelbine Phase 3

Detailed Description:

Mesothelioma is an aggressive malignancy usually affecting the surfaces of body coelomic cavities. It most commonly originates from the pleura with a propensity to the lower parietal pleura and costo-diaphragmatic recess, and is almost always caused by asbestos exposure, with a usual lag time of 30 years between exposure and presentation. Outcomes for most patients are invariably fatal, with median survival from presentation around 9-12 months in most series due to difficulties in achieving a complete microscopic surgical resection and tumour relative chemo-refractoriness. Whilst initially considered rare, due to the demand of asbestos of all varieties associated with industrialization following the Second World War, the background incidence of mesothelioma of 1/million has risen to 40/million in some countries. In the UK, where substantial asbestos exposure continued until the 1970s, the death rate is the highest in the world with a current epidemic of new cases, predicted to continue for another 5-10 years. Two main histological subtypes of mesothelioma are identified. The epitheliod subtype is the commonest, accounting for around 40% of cases, whilst the sarcomatoid subtype is observed in 20% of cases; the latter being typically aggressive and chemorefractory. Around 35% cases have features of both epitheliod and sarcomatoid subtypes and are termed biphasic subtype.

For patients with pleural mesothelioma, in whom surgery is not considered appropriate, systemic chemotherapy (platinum combined with pemetrexed) remains the international standard of care. Cisplatin/pemetrexed is associated with a response rate of 41% and confers an OS advantage of 3 months over cisplatin alone, and is the only licensed systemic therapy for mesothelioma in Europe. Despite this, the median survival is 9-12 months from most series in unresectable cases. At relapse, after platinum-based chemotherapy, no anti-cancer systemic therapies are licensed. Whilst several small phase II studies and retrospective series have suggested potential efficacy for chemotherapy with agents including carboplatin/gemcitabine, or vinorelbine, none thus far have demonstrated efficacy benefit in a randomised study, with median PFS rates reported of about 3 months for both gemcitabine and vinorelbine. There is therefore a huge unmet need for effective therapy for patients with relapsed pleural mesothelioma. The largest trial ever performed of systemic therapy in relapsed pleural mesothelioma in 661 patients documented the natural outcome of this group of relapsed mesothelioma patients, reporting a median OS of 27.1 weeks (6 months) and median PFS for 6.1 weeks (1.5 months) for placebo.

Programmed cell death-1 (PD-1) is a co-inhibitory molecule at the immunological synapse that acts as a major regulator of adaptive immunity, and is exploited by tumour cells to result in adaptive immune resistance (tolerance). This occurs when PD-1 binds to the ligands PD-L1 (B7H1) or PD-L2, which are expressed on many tumour types. High PD-L1 expression on tumours is associated with poorer outcomes. Mesothelioma has been shown to express PD-L1, with a small study identifying PDL1 expression in up to 40% of mesotheliomas. Moreover, immunologically-mediated inflammation is known to be a key driver for mesothelioma development via the Nalp3 imflammasome.

Pembrolizumab (MK-3475) is a potent and highly selective humanized monoclonal antibody (mAb) of the IgG4/kappa isotype designed to directly block the interaction between PD-1 and its ligands, PD-L1 and PD-L2.

There is a need to identify new ways for the systemic therapy of malignant mesothelioma and immune checkpoint inhibition is a promising way forward. Results from the proposed trial will contribute to overcoming tumour-specific immune suppression with immune checkpoint inhibition.


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Study Type : Interventional  (Clinical Trial)
Actual Enrollment : 144 participants
Allocation: Randomized
Intervention Model: Parallel Assignment
Masking: None (Open Label)
Primary Purpose: Treatment
Official Title: A Multicentre Randomised Phase III Trial Comparing Pembrolizumab Versus Standard Chemotherapy for Advanced Pre-treated Malignant Pleural Mesothelioma
Actual Study Start Date : September 12, 2017
Estimated Primary Completion Date : December 2020
Estimated Study Completion Date : December 2020


Arm Intervention/treatment
Experimental: Pembrolizumab arm
Pembrolizumab is administrated at 200 mg fixed dose i.v. on day 1 of every 3 week cycle for a maximum or 2 years (expected maximum of 36 doses), or until progression of disease determined according to RECIST 1.1 criteria or lack of tolerability, or until the patient declines further treatment.
Drug: Pembrolizumab
Pembrolizumab (MK-3475) is a potent and highly selective humanised monoclonal antibody (mAb) of the IgG4/kappa isotype designed to directly block the interaction between PD-1 and its ligands, PD-L1 and PD-L2. This blockade enhances functional activity of the target lymphocytes to facilitate tumour regression and ultimately immune rejection.
Other Names:
  • KEYTRUDA
  • MK-3475
  • SCH 900475

Active Comparator: Standard chemotherapy arm

Gemcitabine (i.v. 1000 mg/m2) or vinorelbine (i.v. 30 mg/m2, or p.o 60/80 mg/m2) chemotherapy will be chosen on a per patient basis and delivered according to local standards. Chemotherapy will be administered on days 1 and 8 of every 3-week cycle. A maximum number of treatment cycles is not mandated.

Patients randomised to the control arm will be allowed to cross over to receive pembrolizumab at progression, if cross-over criteria are met. Pembrolizumab administration will follow the same schedule as for patients in the experimental arm, i.e. 200 mg fixed dose i.v. on day 1 of every 3-week cycle for a maximum of 2 years or until trial termination.

Drug: Gemcitabine
Gemcitabine replaces one of the building blocks of nucleic acids, in this case cytidine, during DNA replication. The process arrests tumour growth, as new nucleosides cannot be attached to the "faulty" nucleoside, resulting in apoptosis (cellular "suicide").
Other Name: Gemzar

Drug: Vinorelbine
Vinorelbine is a vinca alkaloid cytotoxic chemotherapy that is available in intravenous and oral preparations with EMA licenses in lung cancer and breast cancer. Vinorelbine blocks mitosis in phase G2-M, causing cell death in interphase or at the following mitosis.
Other Name: Navelbine




Primary Outcome Measures :
  1. Progression Free Survival (PFS) in patients with advanced pre-treated malignant mesothelioma. [ Time Frame: Assessed from the date of randomisation until documented progression or death, if progression is not documented; assessed at 36 months after inclusion of first patient. ]
    To investigate whether treatment with pembrolizumab improves PFS, compared to standard, institutional choice chemotherapy, assessed according to RECIST 1.1 criteria based on independent radiological review; using Kaplan-Meier method and compared between the two treatment arms by a stratified log rank test.


Secondary Outcome Measures :
  1. Objective response. [ Time Frame: Assessed across all tumour evaluation time-points during the period from randomisation to termination of trial treatment; assessed at 36 months after inclusion of the first patient. ]
    Defined as the best overall response (complete or partial response) across all assessment time-points from randomisation to end of trial treatment, determined by RECIST 1.1 criteria, compared between treatment groups by the Fisher's exact test.

  2. Overall survival. [ Time Frame: From date of randomisation until death from any cause, assessed at 36 months from enrollment of the first patient. ]
    Defined as time from the date of randomisation until death from any cause. Censoring will occur at the last follow-up date.

  3. Time to treatment failure. [ Time Frame: Assessed across all tumour evaluation time-points from time of randomisation to discontinuation of treatment; assessed at 36 months after inclusion of the first patient. ]
    Time from from randomisation to discontinuation of treatment for any reason, including progression of disease, treatment toxicity, refusal and death, by Kaplan Meier method. Censoring will occur at the last follow-up date.

  4. Toxicity/adverse events. [ Time Frame: Assessed from day 1 of every treatment cycle to within 30 days after treatment is ceased for any reason. ]
    The safety and tolerability of pembrolizumab treatment will be assessed through analysis of the worst grade of toxicity/adverse events according to CTCAE v4.0 criteria observed over the whole treatment period.

  5. Investigator assessed PFS [ Time Frame: Radiological assessments at all tumour evaluation time-points from randomisation to discontinuation of treatment for any reason; assessed at 36 months after inclusion of the first patient. ]
    Investigator assessed PFS, from the date of randomisation until documented progression or death, if progression is not documented; assessed at 36 months after inclusion of first patient.



Information from the National Library of Medicine

Choosing to participate in a study is an important personal decision. Talk with your doctor and family members or friends about deciding to join a study. To learn more about this study, you or your doctor may contact the study research staff using the contacts provided below. For general information, Learn About Clinical Studies.


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

Inclusion Criteria:

  • Histologically confirmed malignant pleural mesothelioma (all subtypes are eligible)
  • Progressing after or on previous platinum based chemotherapy.
  • Availability of tumour tissue for translational research.
  • Female and male patients aged 18 years or over.
  • Eastern Cooperative Oncology Group (ECOG) performance status 0-1.
  • Life expectancy of at least 3 months.
  • Measurable or evaluable disease according to RECIST 1.1 criteria.
  • Adequate renal function
  • Creatinine 1.5 × Upper Limit of Normal (ULN) OR Calculated creatinine clearance 40 mL/min (using the Cockroft-Gault formula).
  • Adequate haematological function
  • Haemoglobin 90 g/L or 5.6 mmol/L
  • White Blood Cell (WBC) 1.0 × 109/L
  • Lymphocytes 0.5 g/L
  • Absolute neutrophils count (ANC) 1.5 × 109/L
  • Platelet count 100 × 109/L.
  • Adequate liver function
  • ALT and AST 2.5 × ULN. If the patient has liver metastases, ALT and AST must be ≤5 × ULN.
  • Women of childbearing potential, including women who had their last menstrual period in the last 2 years, must have a negative serum or urine pregnancy test within 35 days before randomisation (the test has to be repeated 72 hours before pembrolizumab treatment start).
  • Written informed consent must be signed and dated by the patient and the investigator prior to any trial-related intervention including the submission of mandatory biomaterial.

Exclusion Criteria:

  • Prior therapy with an anti-programmed cell death protein 1 (anti-PD-1), anti-programmed cell death ligand 1 (anti-PD-L1), anti-programmed cell death ligand 2 (anti-PD-L2), anti-CD137, or anti-cytotoxic T-lymphocyte-associated antigen-4 (CTLA-4) antibody (including ipilimumab or any other antibody or drug specifically targeting T-cell co-stimulation or checkpoint pathways).
  • Prior therapy with gemcitabine or vinorelbine.
  • Known active central nervous system metastases and/or carcinomatous meningitis. Patients with previously treated brain metastases may participate provided they are stable (without evidence of progression by imaging for at least 4 weeks prior to randomisation and any neurologic symptoms have returned to baseline), have no evidence of new or enlarging brain metastases, and are not using steroids for at least 7 days prior to randomisation. This exception does not include carcinomatous meningitis, which is excluded regardless of clinical stability.
  • Known or suspected hypersensitivity to pembrolizumab or any of its excipients.
  • Known unstable or unresolved surgical or chemotherapy-related toxicity that would compromise the patient's capacity to participate in the trial.
  • Previous allogeneic tissue/solid organ transplant.
  • Live vaccines within 30 days prior to first dose of pembrolizumab.
  • Regular intake of immune-modulating drugs (such as interferon, methotrexate).
  • History of (non-infectious) pneumonitis that required steroids, evidence of interstitial lung disease or active, non-infectious pneumonitis.
  • Active autoimmune disease that has required systemic treatment in the past 2 years (i.e. with use of disease modifying agents, corticosteroids or immunosuppressive drugs). Replacement therapy (i.e. thyroxine, insulin, or physiologic corticosteroid replacement therapy for adrenal or pituitary insufficiency, etc.) or topical therapy (e.g., steroids) for psoriasis or eczema is not considered a form of systemic treatment.
  • Ongoing clinically serious infections requiring systemic antibiotic or antiviral, antimicrobial, or antifungal therapy.
  • Human immunodeficiency virus (HIV) infection.
  • Known active hepatitis B or hepatitis C.
  • Known history of active tuberculosis.
  • Patients with diagnosed immunodeficiency or receiving systemic steroid therapy or any other form of immunosuppressive therapy within 7 days prior to randomisation.
  • Patients with other serious diseases or clinical conditions, including but not limited to uncontrolled active infection and any other serious underlying medical condition that could affect the patient's capacity to participate in the trial.
  • Substance abuse, medical, psychological or social conditions that may interfere with the patient's participation in the trial or evaluation of the trial results.
  • Women who are pregnant or in the period of lactation.
  • Sexually active men and women of childbearing potential who are not willing to use an effective contraceptive method during the trial and up to 120 days following cessation of trial treatment.

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): NCT02991482


Locations
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Spain
ICO Hospitalet
Barcelona, Spain
Hospital Teresa Herrera
La Coruña, Spain
Hospital Clínico Universitario de Valladolid
Valladolid, Spain
Switzerland
Kantonsspital Aarau
Aarau, Switzerland
Centre Hospitalier Universitaire Vaudois
Lausanne, Switzerland
Kantonsspital Luzern
Luzern, Switzerland
Kantonsspital Winterthur
Winterthur, Switzerland
University Hospital Zürich
Zurich, Switzerland
United Kingdom
Maidstone and Tunbridge Wells NHS Trust, Kent Oncology Centre
Maidstone, Kent, United Kingdom, ME16 9QQ
Addenbrooke's Hospital
Cambridge, United Kingdom
Clatterbridge Cancer Centre
Liverpool, United Kingdom
Royal Marsden Hospital
London, United Kingdom, SW3 6JJ
Guy's and St Thomas' Hospital
London, United Kingdom
Plymouth Hospitals NHS Trust
Plymouth, United Kingdom, PL6 8DH
Weston Park Hospital
Sheffield, United Kingdom, UK S10 2SJ
Sponsors and Collaborators
European Thoracic Oncology Platform
Merck Sharp & Dohme Corp.
Frontier Science Foundation, Hellas
Investigators
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Study Chair: Sanjay Popat, MD Royal Marsden NHS Foundation Trust
Study Chair: Alessandra Curioni-Fontecedro, MD University Hospital, Zürich

Publications:

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Responsible Party: European Thoracic Oncology Platform
ClinicalTrials.gov Identifier: NCT02991482     History of Changes
Other Study ID Numbers: ETOP 9-15
2016-002062-31 ( EudraCT Number )
3475-594 ( Other Identifier: Merck Sharp Dohme )
First Posted: December 13, 2016    Key Record Dates
Last Update Posted: June 26, 2018
Last Verified: June 2018
Individual Participant Data (IPD) Sharing Statement:
Plan to Share IPD: No

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Studies a U.S. FDA-regulated Drug Product: No
Studies a U.S. FDA-regulated Device Product: No

Keywords provided by European Thoracic Oncology Platform:
MPM

Additional relevant MeSH terms:
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Mesothelioma
Lung Neoplasms
Adenoma
Neoplasms, Glandular and Epithelial
Neoplasms by Histologic Type
Neoplasms
Neoplasms, Mesothelial
Respiratory Tract Neoplasms
Thoracic Neoplasms
Neoplasms by Site
Lung Diseases
Respiratory Tract Diseases
Gemcitabine
Pembrolizumab
Vinorelbine
Antimetabolites, Antineoplastic
Antimetabolites
Molecular Mechanisms of Pharmacological Action
Antineoplastic Agents
Antiviral Agents
Anti-Infective Agents
Enzyme Inhibitors
Immunosuppressive Agents
Immunologic Factors
Physiological Effects of Drugs
Antineoplastic Agents, Immunological
Antineoplastic Agents, Phytogenic
Tubulin Modulators
Antimitotic Agents
Mitosis Modulators