- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT03783936
Trial of mFOLFOX6 + Trastuzumab + Avelumab in Gastric and Esophageal Adenocarcinomas
A Single Arm, Multi-center Phase 2 Trial of mFOLFOX6 + Trastuzumab + Avelumab in First-line, Metastatic, HER2-amplified Gastric and Esophageal Adenocarcinomas
The initial intent of the study was to be a multi-center single-arm open-label Simon's two-stage Phase II clinical trial of first-line mFOLFOX6 + trastuzumab + avelumab in metastatic HER2-amplified gastric and esophageal adenocarcinomas.
Accrual will halt after completion of Stage I (enrollment of 18 patients). This decision is not due to safety issues. Subjects currently on treatment will continue until criteria as defined in the protocol is met.
Study Overview
Status
Intervention / Treatment
Study Type
Enrollment (Actual)
Phase
- Phase 2
Contacts and Locations
Study Locations
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California
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Duarte, California, United States, 91010
- City of Hope
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Georgia
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Atlanta, Georgia, United States, 30322
- Winship Cancer Insititute of Emory University
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Illinois
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Chicago, Illinois, United States, 60611
- Northwestern University Feinberg School of Medicine
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Iowa
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Iowa City, Iowa, United States, 52242
- University of Iowa Hospital and Clinics
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New Jersey
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Morristown, New Jersey, United States, 07960
- Atlantic Health System
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New York
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Buffalo, New York, United States, 14263
- Roswell Park Cancer Institute
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North Carolina
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Chapel Hill, North Carolina, United States, 27599
- University of North Carolina at Chapel Hill
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Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Description
Inclusion Criteria:
- Written informed consent and HIPAA authorization for release of personal health information prior to registration.
- Age ≥ 18 years at the time of consent.
- ECOG Performance Status of 0 or 1.
- Histologically confirmed esophageal, gastroesophageal junction, or gastric adenocarcinoma, with unresectable or metastatic disease documented on diagnostic imaging studies.
- HER2 amplification confirmed by standard of care testing of tumor specimen (3+ by immunohistochemistry, or 2+ on IHC with ISH with HER2/CEP17 ratio ≥2).
- Radiographically measurable disease according to RECIST 1.1 within 28 days prior to registration.
Adequate organ function as defined in the table below. All screening labs to be obtained within 28 days prior to registration.
- Absolute Neutrophil Count ≥ 1.5 x 10^9/L
- Hemoglobin (Hgb) ≥ 9 g/dL (may have been transfused)
- Platelets ≥ 100 x 10^9/L OR ≥ 75 x 10^9/L for patients who received Cycle 1 of mFOLFOX6 +/- trastuzumab prior to registration
- Calculated creatinine clearance1 ≥ 30 mL/min OR creatinine ≤ 1.5 × upper limit of normal (ULN)
- Bilirubin ≤ 1.5 × upper limit of normal (ULN) (Subjects with Gilbert's syndrome may be enrolled despite a total bilirubin level >1.5 mg/dL, if their conjugated bilirubin is < 1.5× ULN)
- Aspartate aminotransferase (AST) ≤ 2.5 × ULN OR ≤ 5x ULN in patients with known liver metastases
- Alanine aminotransferase (ALT) ≤ 2.5 × ULN OR ≤ 5x ULN in patients with known liver metastases
- Left ventricular ejection fraction (LVEF) ≥ 50% or above the lower limit of the institutional normal range, whichever is lower.
- Females of childbearing potential must have a negative serum pregnancy test at screening. NOTE: Females are considered of child bearing potential unless they are surgically sterile (have undergone a hysterectomy, bilateral tubal ligation, or bilateral oophorectomy) or they are naturally postmenopausal for at least 12 consecutive months.
- Females of childbearing potential and males must be willing to abstain from heterosexual activity or to use 2 forms of effective methods of contraception from the time of informed consent until 210 days after treatment discontinuation. The two contraception methods can be comprised of two barrier methods, or a barrier method plus a hormonal method.
- As determined by the enrolling physician or protocol designee, ability of the subject to understand and comply with study procedures for the entire length of the study.
Exclusion Criteria:
- Previous systemic therapy for stage IV disease - EXCEPT that patient may have received one cycle of mFOLFOX6 +/- trastuzumab within the 4 weeks prior to registration.
- Active infection requiring intravenous systemic therapy.
- Pregnant or breastfeeding (NOTE: breast milk cannot be stored for future use while the mother is being treated on study).
- Treatment with any investigational drug within 28 days prior to registration.
- Prior immune checkpoint inhibitor therapy (i.e. anti-CTLA-4, anti-PD-L1, anti-PD-1), or HER2-directed therapy (including trastuzumab)
- Evidence of interstitial lung disease or active, non-infectious pneumonitis
- Untreated brain metastasis or brain metastasis treated within 4 weeks prior to enrollment.
- Known additional malignancy that is active and/or progressive requiring treatment; exceptions include basal cell or squamous cell skin cancer, in situ cervical or bladder cancer, or other cancer for which the subject has been disease-free for at least five years.
- Serious cardiovascular event within 6 months prior to study entry, including myocardial infarction, malignant hypertension, severe/unstable angina, symptomatic congestive heart failure (≥ New York Heart Association Classification Class II), cerebral vascular accident, transient ischemic attack, or serious cardiac arrhythmia requiring medication.
- History of organ allograft or allogeneic stem cell transplantation
Active autoimmune disease requiring systemic treatment in the past 3 months (for example with disease modifying agents, corticosteroids, or immunosuppressive drugs).
Exceptions Include:
- Subjects with endocrine diseases stable on replacement therapy (e.g., thyroxine, insulin, or physiologic corticosteroid replacement therapy for adrenal or pituitary insufficiency, etc.) or hormone suppression.
- Subjects that require intermittent use of bronchodilators, local steroid injections, or inhaled or topical steroids
- Subjects with vitiligo, psoriasis, Sjogren's syndrome, or resolved childhood asthma/atopy
- 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).
- Known history of testing positive for HIV or known acquired immunodeficiency syndrome.
- Known history of Hepatitis B virus (HBV) or hepatitis C virus (HCV) infection. Subjects with laboratory evidence of cleared HBV and HCV infection will be permitted.
- Vaccination within 4 weeks of the first dose of avelumab and while on trials is prohibited except for administration of inactivated vaccines.
- Known prior severe hypersensitivity to investigational product or any component in its formulations, including known severe hypersensitivity reactions to monoclonal antibodies (NCI CTCAE v5 Grade ≥ 3).
- Persisting toxicity related to prior therapy (NCI CTCAE v5 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 behavior; or laboratory abnormalities that may increase the risk associated with study participation or study treatment administration or may interfere with informed consent, the interpretation of study results and, in the judgment of the investigator, would make the patient inappropriate for entry into this study.
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Treatment
- Allocation: N/A
- Interventional Model: Single Group Assignment
- Masking: None (Open Label)
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Other: Induction and Maintenance
Cycles 1-9; Induction; Cycle = 14 days mFOLFOX6
Trastuzumab 6 mg/kg IV loading dose C1D1 then Trastuzumab 4 mg/kg IV Day 1 and Avelumab 800 mg IV Day 1 Cycles 10 and subsequent; Maintenance; Cycle = 14 days Trastuzumab 4 mg/kg Day 1 and Avelumab 800 mg Day 1 |
Oxaliplatin 85 mg/m2
Leucovorin 400 mg/m2
5 fluorouracil 400 mg/m2 bolus and 2400 mg/m2 continuous infusion
Trastuzumab 6 mg/kg loading dose C1D1 then 4 mg/kg Day 1
Avelumab 800 mg
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Best Objective Response Rate (bORR)
Time Frame: 24 weeks
|
Per Response Evaluation Criteria In Solid Tumors Criteria (RECIST): Complete Response (CR), Disappearance of all target lesions; Partial Response (PR), >=30% decrease in the sum of the longest diameter(LD) of target lesions; Progressive Disease (PD): >= 20% increase in tumor burden relative to nadir or the appearance of one or more new lesions; Stable Disease (SD): Neither sufficient shrinkage to qualify for PR nor sufficient increase to qualify for PD, taking as reference the smallest sum LD since the treatment started. The bORR will be defined as the percentage of subjects whose best response by 24 weeks are either a CR or PR according to RECIST 1.1. For confirmed response, PR or CR need to be confirmed by repeat assessments that should be performed no less than 4 weeks. Otherwise, it will be considered as an unconfirmed response. |
24 weeks
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Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Progression Free Survival (PFS)
Time Frame: Time of treatment start until the criteria for disease progression or death, up to a maximum of 11 months.
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Per RECIST 1.1: Complete Response (CR), Disappearance of all target lesions; Partial Response (PR), >=30% decrease in the sum of the longest diameter(LD) of target lesions; Progressive Disease (PD): >= 20% increase in tumor burden relative to nadir or the appearance of one or more new lesions; Stable Disease (SD): Neither sufficient shrinkage to qualify for PR nor sufficient increase to qualify for PD, taking as reference the smallest sum LD since the treatment started. Progression Free Survival (PFS) will be defined as the time from the start date of treatment to the date of documented progression as determined by RECIST 1.1 or death from any cause. |
Time of treatment start until the criteria for disease progression or death, up to a maximum of 11 months.
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Progression Free Survival by iRECIST(iPFS)
Time Frame: Time of treatment start until the criteria for disease progression or death, up to a maximum of 11 months.
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Immune-RECIST Criteria(iRECIST): Complete Response(iCR), Disappearance of all measurable and non-measurable lesions; Partial Response (iPR), >=30% decrease in tumor burden relative to baseline; Unconfirmed Progressive Disease (iUPD), >= 20% increase in the sum of the LD of target lesions, taking as reference the smallest sum LD recorded since the treatment started or the appearance of one or more new lesions; Confirmed Progressive Disease (iCPD), confirmation of iUPD (by further growth) at the next assessment; Stable Disease (iSD), neither sufficient shrinkage to qualify for PR nor sufficient increase to qualify for PD, taking as reference the smallest sum LD since the treatment started. iPFS will be defined as the time from the start date of treatment to the date of documented progression as determined by iRECIST criteria or death from any cause. |
Time of treatment start until the criteria for disease progression or death, up to a maximum of 11 months.
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Overall Survival (OS)
Time Frame: Time of treatment start until death or date of last contact, up to a maximum of 20 months
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Overall Survival (OS) will be defined as the time from start of treatment to the date of death from any cause, or date of last contact (censored).
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Time of treatment start until death or date of last contact, up to a maximum of 20 months
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Disease Control Rate (DCR)
Time Frame: Up to a maximum of 11 months.
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Disease Control Rate (DCR) will be defined as the total number of patients whose best responses are either a CR, PR, or SD divided by the number of response evaluable patients.
Patients with best response of SD will need to maintain SD by 24 weeks to be considered to have received clinical benefit from the treatment regimen.
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Up to a maximum of 11 months.
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Number of Participants With Grade 3-4 Treatment Related Adverse Events
Time Frame: AE had been recorded from time of signed informed consent until 30 days after discontinuation of study drug(s) and/or until a new anti-cancer treatment starts, whichever occurs first, up to a maximum of 20 months.
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The frequency and severity of all grade 3-4 treatment related adverse events are reported by CTCAE v5.
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AE had been recorded from time of signed informed consent until 30 days after discontinuation of study drug(s) and/or until a new anti-cancer treatment starts, whichever occurs first, up to a maximum of 20 months.
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Collaborators and Investigators
Sponsor
Investigators
- Principal Investigator: Ashwin Somasundaram, MD, University of North Carolina, Chapel Hill
Study record dates
Study Major Dates
Study Start (Actual)
Primary Completion (Actual)
Study Completion (Actual)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Actual)
Study Record Updates
Last Update Posted (Actual)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
- Digestive System Diseases
- Neoplasms by Histologic Type
- Neoplasms
- Neoplasms by Site
- Carcinoma
- Neoplasms, Glandular and Epithelial
- Gastrointestinal Neoplasms
- Digestive System Neoplasms
- Gastrointestinal Diseases
- Head and Neck Neoplasms
- Esophageal Diseases
- Adenocarcinoma
- Esophageal Neoplasms
- Physiological Effects of Drugs
- Molecular Mechanisms of Pharmacological Action
- Antimetabolites, Antineoplastic
- Antimetabolites
- Antineoplastic Agents
- Immunosuppressive Agents
- Immunologic Factors
- Protective Agents
- Antineoplastic Agents, Immunological
- Micronutrients
- Vitamins
- Antidotes
- Vitamin B Complex
- Trastuzumab
- Fluorouracil
- Oxaliplatin
- Leucovorin
- Avelumab
Other Study ID Numbers
- HCRN GI17-319
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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