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A Randomized, Double-blind, Placebo-controlled Phase 3 Trial of Pembrolizumab (MK-3475) Versus Placebo in Participants With Esophageal Carcinoma Receiving Concurrent Definitive Chemoradiotherapy - MK3475-975 (KEYNOTE 975)

Studio Clinico

Patologia: Tumori dell’esofago

Osservazionale-Sperimentale: Sperimentale

Monocentrico-Multicentrico: Multicentrico

Randomizzato: 

Fase di studio: III

Linee di trattamento: Non applicabile

Criteri di inclusione: 

- Has histologically or cytologically confirmed diagnosis of CTX N+ M0 or cT2-T4a NX M0 ESCC, GEJC, EAC, or histologically or cytologically confirmed diagnosis of cTX N+ M1 cervical or upper thoracic esophageal carcinoma with supraclavicular lymph node metastases only
- Is deemed suitable for dCRT
- Is ineligible for curative surgery based on the documented opinion of a qualified medical/surgical/radiation oncologist
- Is not expected to require tumor resection during the course of the study
- Has an Eastern Cooperative Oncology Group (ECOG) performance status of 0 to 1 within 3 days of the first dose of study treatment.
- Has adequate organ function
- Male participants must use adequate contraception (a male condom plus partner use of an additional contraceptive method) unless confirmed to be azoospermic (vasectomized or secondary to medical cause) during the study treatment period and through 90 days after the last dose of chemotherapy
- Female participants who are a Woman of Childbearing Potential (WOCBP) must use contraception that is highly effective (with a failure rate of <1% per year), with low user dependency, or be abstinent from heterosexual intercourse as their preferred and usual lifestyle, during the study treatment period through 180 days after the last dose of chemotherapy or 120 days after the last dose of pembrolizumab, whichever is greater, and agree not to donate eggs to others or freeze/store for her own use for the purpose of reproduction during this period
- Female participants must not be pregnant or breastfeeding.

Criteri di esclusione: 

- Has direct invasion of tumor into adjacent organs such as the aorta or trachea
- Has had major surgery other than for insertion of a feeding tube, open biopsy, or significant traumatic injury within 28 days prior to randomization, or anticipates the need for major surgery during study treatment; participants with gastric or esophageal fistulae are excluded
- Has had weight loss of >20% in the previous 3 months
- Has had prior chemotherapy or radiotherapy for esophageal cancer
- Has had a myocardial infarction within the past 6 months
- Has severe congestive heart failure
- Has received prior therapy with an anti-programmed cell death-1 (anti PD-1), anti-programmed cell death-ligand 1 (anti-PD-L1), or anti-programmed cell death-ligand 2 (anti-PD-L2) agent or with an agent directed to another stimulatory or coinhibitory T-cell receptor (e.g. cytotoxic T-lymphocyte-associated protein 4 [CTLA-4], OX-40, CD137)
- Has received a live or live-attenuated vaccine within 30 days prior to the first dose of study intervention; administration of killed vaccines is allowed
- Has received any prior systemic anticancer therapy for esophageal cancer including investigational agents
- Has not recovered from all adverse events (AEs) due to previous non-anticancer therapies to ≤Grade 1 or Baseline
- Has a diagnosis of immunodeficiency or is receiving chronic systemic steroid therapy or any other form of immunosuppressive therapy within 7 days prior the first dose of study treatment
- Has a known additional malignancy that is progressing or has required active treatment within the past 3 years. Note: Participants with basal cell carcinoma of the skin, squamous cell carcinoma of the skin, or carcinoma in situ (e.g. breast carcinoma, cervical cancer in situ) that have undergone potentially curative therapy are not excluded from the study. Participants with localized prostate cancer that has undergone potentially curative treatment can be enrolled in the study.
- Has severe hypersensitivity (≥Grade 3) to pembrolizumab, any of the study chemotherapy agents, or their excipients
- Has an active autoimmune disease that has required systemic treatment in past 2 years
- Has a history of (non-infectious) pneumonitis that required steroids or has current pneumonitis
- Has an active infection requiring systemic therapy
- Has a known history of human immunodeficiency virus (HIV) infection
- Has a known history of Hepatitis B or known active Hepatitis C virus infection
- Has a known history of active tuberculosis (TB; Bacillus tuberculosis)
- 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 (180 days for participants receiving cisplatin who are breastfeeding)
- Has had an allogenic tissue/solid organ transplant.

Trattamento sperimentale: 

Pembrolizumab + FOLFOX or FP regimen

Trattamento di controllo: 

Placebo + FOLFOX or FP regimen

Obiettivi primari dello studio: 

The purpose of this study is to assess the efficacy and safety of treatment with definitive chemoradiotherapy (dCRT) + pembrolizumab (MK-3475) compared to treatment with dCRT + placebo with respect to Overall Survival (OS) and Event-free survival (EFS) in:
- participants with esophageal squamous cell carcinoma (ESCC),
- participants whose tumors express Programmed Death-Ligand 1 (PD-L1) Combined Positive Score (CPS) ≥10, and all participants.

Centri partecipanti

Nord Italia

Ospedale Papa Giovanni XXIII Bergamo
Piazza OMS 1 - 24127 Bergamo - BG

Riferimento: Dr.ssa Barbara Merelli
Telefono: 0352673688
Email: bmerelli@asst-pg23.it

 

ASST di Cremona
Viale Concordia 1 - 26100 Cremona - CR

Riferimento: Dr. Rodolfo Passalacqua
Telefono: 0372405237
Email: segreteria.oncologia@asst-cremona.it

 

IRCCS Istituto Nazionale dei Tumori
Via Venezian 1 - 20133 Milano - MI

Riferimento: Dr.ssa Maria Di Bartolomeo
Telefono: 0223903066
Email: maria.dibartolomeo@istitutotumori.mi.it

 

IRCCS Policlinico San Donato
Via Morandi 30 - 20097 San Donato Milanese - MI

 

Istituto Oncologico Veneto IRCCS
Via Gattamelata 64 - 35128 Padova - PD

Riferimento: Dr.ssa Sara Lonardi
Telefono: 0498215910
Email: sara.lonardi@iov.veneto.it

 

Centro Italia

AOU Pisana - Santa Chiara
Via Roma 67 - 56126 Pisa - PI

 

Fondazione Policlinico A. Gemelli
Largo Agostino Gemelli 8 - 00168 Roma - RM

Telefono: 0630155202
Email: oncomedsperimentali@policlinicogemelli.it

Informazioni Generali

Protocollo

Numero di iscrizione a registro: 2019-002006-51

Data di inserimento: 14.04.2021

Promotore

Merck Sharp & Dohme Corp.

CRO

NA

Principal Investigator ITALIA

ASST Papa Giovanni XXIII, Bergamo

Riferimento: Dr.ssa Barbara Merelli

Telefono: 0352673687

Email: bmerelli@asst-pg23.it

Localita: Bergamo

 

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