Study of safety and effectiveness of IMU-131 comparing standard care chemotherapy in patients with Adenocarcinoma of the Stomach or Gastroesophageal Junction (a type of gastric cancer).
- Conditions
- Health Condition 1: K318- Other specified diseases of stomach and duodenum
- Registration Number
- CTRI/2019/04/018775
- Lead Sponsor
- Imugene Limited
- Brief Summary
Not available
- Detailed Description
Not available
Recruitment & Eligibility
- Status
- ot Yet Recruiting
- Sex
- Not specified
- Target Recruitment
- 0
1. Patient has been informed of the investigational nature of this study and has given
written informed consent in accordance with institutional local and national
guidelines
2. Age more than and equal to 20 years old
3. Life expectancy of at least 12 weeks
4. No prior chemotherapy or radiotherapy for advanced gastric or GEJ cancer within 3 months prior to Day 0
5. Metastatic gastric or GEJ adenocarcinoma or locally advanced disease not amenable to surgical resection
6. HER2/neu overexpression (3+ by immunohistochemistry (IHC) or if IHC 2+
confirmed by fluorescent in situ hybridization FISH] or chromogenic in situ hybridization [CISH]). Patients with IHC 2+ expression without confirmation of overexpression by fluorescent in situ hybridization [FISH] or chromogenic in situ
hybridization [CISH]) may be included in Phase 1b with agreement of Imugene Limited
7. ECOG performance status 0â??2
8. At least one measurable lesion as defined by RECIST 1.1 criteria. Patients with non-measurable lesions may be included in Phase1b with agreement of Imugene Limited
9. Adequate left ventricular ejection function at baseline defined as LVEF > 50% by echocardiogram or MUGA scan (Multi Gated Acquisition Scan)
10. Adequate hematologic function absolute neutrophil count (ANC) >= 1.5 x 109/L, platelet count >= 100 x 109/L, and hemoglobin >= 9 g/dL;
11. Adequate liver function evidenced by bilirubin <= 1.5 x laboratory upper limit of
normal [ULN] and ALT and AST <= 3 x laboratory ULN if no liver involvement or ALT and AST <= 5 times laboratory ULN with liver involvement
12. Adequate renal function (creatinine <= 1.5 x laboratory ULN
13. Willing and able to comply with scheduled visits treatment plan laboratory tests and other study procedures
14. Male and female patients of childbearing potential must agree to use a highly effective method of contraception throughout the study and for at least 28 days after the last dose of assigned treatment . A patient is of childbearing potential if, in the opinion of the investigator, he/she is biologically capable of having children and is sexually active.
1. Previous treatment with trastuzumab or any other HER2/neu targeting antibody or
agent
2. Continuous systemic treatment with either corticosteroids (Greater than 10 mg daily prednisone equivalents) or other immunosuppressive medications within 4 weeks prior to first dose of study treatment. Inhaled or topical steroids and physiological replacement doses of up to 10 mg daily prednisone equivalents are permitted in
the absence of active auto-immune disease
3. Prior organ transplant
4. Patient not considered a candidate for 5-FU, capecitabine,cisplatin or
oxaliplatin chemotherapy;
5. History of documented congestive heart failure; angina pectoris requiring
antianginal medication; evidence of transmural infarction on ECG; poorly
controlled hypertension; clinically significant valvular heart disease; high risk
uncontrolled arrhythmias; or New York Heart Association (NYHA) class II heart
disease;
6. If on warfarin (Coumadin®) or other vitamin K antagonists;
7. Concurrent active malignancy except for adequately controlled limited basal cell
carcinoma of the skin
8. Peripheral neuropathy or hearing loss of NCI CTCAE Grade greater than and equal to 2
9. History of uncontrolled seizures, central nervous disorders or psychiatric disability
judged by the investigator to be clinically significant and precluding informed
consent, participation in the study, or adversely affecting compliance to study
drugs;
10. Active infection requiring IV antibiotics;
11. Positive for human immunodeficiency virus (HIV) (HIV 1/2 antibodies) or active
hepatitis B (HBsAg reactive) or active hepatitis C (HCV ribonucleic acid [RNA]
qualitative) infection;
12. Pregnant or lactating females;
13. Major surgery within 4 weeks prior to study entry. Minor surgery (excluding
diagnostic biopsy) within 1 week prior to study entry;
14. Has received a live-virus vaccination within 4 weeks of first study vaccination.
Seasonal flu vaccines that do not contain live virus are permitted;
15. Current or recent (within 4 weeks of first IMU-131 vaccination) treatment with
another investigational drug or participation in another investigational study.
16. Phase 2: Patients with a known diphtheria toxoid hypersensitivity.
Study & Design
- Study Type
- Interventional
- Study Design
- Not specified
- Primary Outcome Measures
Name Time Method To evaluate the clinical efficacy of IMU-131 plus chemotherapy <br/ ><br>compared to chemotherapy alone based on overall survival (OS).Timepoint: <br/ ><br>22 Months
- Secondary Outcome Measures
Name Time Method To evaluate other efficacy measures of IMU-131 plus <br/ ><br>chemotherapy compared to chemotherapy alone including <br/ ><br>progression-free survival (PFS), time to progression (TTP), <br/ ><br>disease control rate (DCR), objective response rate (ORR), <br/ ><br>duration of objective response (DOR) and change in tumor size <br/ ><br>(CTS) according to Response Evaluation Criteria In Solid Tumors <br/ ><br>version 1.1 (RECIST 1.1) for the progression evaluation of <br/ ><br>radiographic data.Timepoint: 22 Months