Phase II Study of Avelumab plus chemotherapy in the peri-operative treatment for patients with resectable Gastric cancer (GC) or Gastroesophageal Junction cancer (GEJC). Moneo trial

Vall D Hebron Institute Of Oncology8 sites in 1 country30 target enrollmentOctober 31, 2024

DrugsOXALIPLATIN DOCETAXEL AVELUMAB FLUOROURACIL LEUCOVORIN CALCIUM CALCIUM FOLINATE

Overview

Phase: Phase 2
Intervention: Not specified
Conditions: Not specified
Sponsor: Vall D Hebron Institute Of Oncology
Enrollment: 30
Locations: 8
Primary Endpoint: Pathological complete response (pCR) rate, where pCR is defined as the absence of residual tumor based on evaluation of the resected esophagogastric specimen according to Becker remission criteria [1].
Status: Not yet recruiting
Last Updated: last year

Overview Investigators Eligibility Criteria Outcomes Sites Similar Trials

Overview

Brief Summary

The primary objective is to investigate whether the addition of avelumab to the neoadjuvant chemotherapy (docetaxel, oxaliplatin and fluorouracil/leucovorin) improves efficacy in terms of pathological complete response (pCR) rate, in GC and GEJC patients, compared with the historical controls where neoadjuvant chemotherapy alone was administrated.

Registry

euclinicaltrials.eu

Start Date

October 31, 2024

End Date

TBD

Last Updated

last year

Study Type

Interventional clinical trial of medicinal product

Investigators

Sponsor

Vall D Hebron Institute Of Oncology

Responsible Party

Principal Investigator

Coordinator investigator

Scientific

Vall D Hebron Institute Of Oncology

Eligibility Criteria

Inclusion Criteria

•Histologically proven, gastric or GEJ adenocarcinoma (Siewert I-III).
•For women who are not postmenopausal (> 12 months of non-therapy induced amenorrhea) single or combined contraceptive methods that result in a failure rate of < 1% per year during the treatment period and for at least 12 months after the last treatment dose
•For men: agreement to remain abstinent or use a condom plus an additional contraceptive method that together result in a failure rate of < 1% per year during the treatment period and for at least 12 months after the last dose of study treatment. Abstinence is only acceptable if it is in line with the preferred and usual lifestyle of the patient. Periodic abstinence (e.g. calendar, ovulation, symptothermal, or postovulation methods) and withdrawal are not acceptable methods for contraception.
•For all female patients who are not confirmed postmenopausal (> 12 months of non-therapy induced amenorrhea) or surgically sterile (absence of ovaries and/or uterus) a negative serum pregnancy test (β-human chorionic gonadotropin [β-hCG]) result should be available before treatment and within 7 days from treatment start should be performed. Female patients should not be breast feeding.
•Written informed consent must be given according to ICH/GCP, and national/local regulations.
•Availability of two paraffin blocks from the diagnostic endoscopic biopsy (and a fresh biopsy if possible), and another tumor block (paraffin) from the surgical specimen. In some sites, a fresh tumor sample will be required.
•Have evaluable disease as defined by RECIST 1.1 and determined by investigator assessment, with the absence of distant metastases on CT scan of thorax, abdomen and pelvis.
•Patient medically fit and amenable to gastrectomy/esophagectomy with curative intent as confirmed by a multidisciplinary team discussion.
•UICC tumor stage Ib (T1N1 only, T2N0 not eligible) to IIIC, as defined by CT, according to the 7th AJCC Edition.
•Age ≥ 18 years.

Exclusion Criteria

•Other histology different from adenocarcinoma.
•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. Current use of immunosuppressive medication, EXCEPT for the following: a. intranasal, inhaled, topical steroids, or local steroid injection (e.g., intra-articular injection); b. Systemic corticosteroids at physiologic doses ≤ 10 mg/day of prednisone or equivalent; c. Steroids as premedication for hypersensitivity reactions (e.g., CT scan premedication). History or evidence of interstitial lung disease or active, non-infectious pneumonitis.
•Active infection requiring systemic therapy.
•Known history of Human Immunodeficiency Virus (HIV) (HIV 1/2 antibodies) or Active Hepatitis B (e.g., HBsAg reactive) or Hepatitis C (e.g., HCV RNA [qualitative] is detected). Test for HBV and HCV are required for the screening.
•Received a live vaccine within 30 days of planned start of study therapy. Note: Seasonal influenza vaccines for injection are generally inactivated flu-vaccines and are allowed; however intranasal influenza vaccines are live attenuated vaccines, and are not allowed.
•Prior organ transplantation including allogenic stem-cell transplantation.
•Known prior severe hypersensitivity to investigational product or any component in its formulations, including known severe hypersensitivity reactions to monoclonal antibodies (NCI-CTCAE v4.0 Grade ≥ 3).
•Persisting toxicity related to prior therapy (NCI-CTCAE v4.0 Grade > 1); however, alopecia, sensory neuropathy Grade ≤ 2, or other Grade ≤ 2 not constituting a safety risk based on investigator’s judgment are acceptable.
•Other severe acute or chronic medical conditions including immune colitis, inflammatory bowel disease, immune pneumonitis, pulmonary fibrosis or psychiatric conditions including recent (within the past year) or active suicidal ideation or behaviour; or laboratory abnormalities that may increase the risk associated with study participation or study treatment administration or may interfere with the interpretation of study results and, in the judgment of the investigator, would make the patient inappropriate for entry into this study.
•Pregnant women and lactating females are excluded from this study.

Outcomes

Primary Outcomes

Pathological complete response (pCR) rate, where pCR is defined as the absence of residual tumor based on evaluation of the resected esophagogastric specimen according to Becker remission criteria [1].

Secondary Outcomes

Overall survival (OS) [time frame: from the initial date of neoadjuvant chemotherapy to the date of death due to any cause. Patients without documentation of death at the time of analysis will be censored at the last follow-up date]. Estimated using Kaplan-Meier method.
Disease-free survival (DFS) [time frame: from the surgery to the first observation of disease relapse or death due to any cause. Patients without an event prior to the time of analysis will be censored at the last relapse-free assessment]. Relapse is defined according to RECIST v1.1. Estimated using Kaplan- Meier method.
Progression-free survival (PFS) [time frame: from the initial date of neoadjuvant chemotherapy to the date of first documentation of disease progression or death due to any cause, whichever occurs first. Patients without an event prior to the time of analysis will be censored at the last assessment that is stable disease (SD) or better]. Progression is defined according to RECIST v1.1. Estimated using Kaplan-Meier method.
Surgical complete resection rate (R0). This is a complete macroscopic resection of the gross tumor with negative surgical margins
Overall Response rate (ORR) to neoadjuvancy, as the proportion of subjects with complete response (CR)and partial response (PR), according to RECIST v1.1. [time frame: from the initial date of neoadjuvant chemotherapy to 3 years post- treatment).
Safety endpoints: safety of the combination of avelumab with FLOT chemotherapy (docetaxel, oxaliplatin and fluorouracil/leucovorin) Exploratory Endpoints • Pathological immune response (pIR) • Characterization of the immune contexture • Immunodynamic follow-up • TCR clonality assessment