MedPath

OTSGC-A24 therapeutic peptide Vaccine + Nivolumab – a combination immunotherapy Phase Ib study for inoperable or metastatic gastric cancer.

Not Applicable
Completed
Conditions
Neoplasms
Registration Number
KCT0005481
Lead Sponsor
Yonsei University Health System, Severance Hospital
Brief Summary

Not available

Detailed Description

Not available

Recruitment & Eligibility

Status
Completed
Sex
All
Target Recruitment
7
Inclusion Criteria

(1) Histologically or cytologically confirmed inoperable or metastatic gastric cancer that has failed or demonstrated intolerance to standard therapy – which includes platinum or fluoropyrimidine or taxane based chemotherapy.
(2) Patients must have measurable disease.
(3) Age = 21 years
(4) ECOG performance status (PS) of 0 to 1
(5) Life expectancy at least 3 months
(6) Patients must have normal organ and marrow function as defined below:
-Absolute neutrophil count (ANC) = 1,500/mcL
-Platelets = 100,000/mcL
-Total bilirubin within x1.5 upper limit of normal institutional limits
-AST(SGOT)/ALT(SGPT) = 3 X institutional upper limit of normal, unless liver metastases lead to transaminitis, in which case, up to x 5 institutional upper limit of normal is acceptable
-Creatinine <1.5x normal institutional limits
(7) Patients must be HLA-A*24:02 for Arm A and B and HLA-A*02:01 for Arm C
(8) Patients must have recovered (< grade 1) from all reversible treatment toxicity from prior chemotherapy, radiotherapy or surgery.
(9) Ability to understand and the willingness to sign a written informed consent document.

Exclusion Criteria

(1) Patients receiving any other investigational products
(2) Patients who have previously received prior nivolumab or PD-/L1 blockade therapy
(3) Active autoimmune disease requiring disease-modifying therapy.
(4) Concurrent systemic steroid therapy higher than physiologic dose (equivalent of prednisolone 10mg daily)
(5) Any form of active primary or secondary immunodeficiency.
(6) History of significant gastrointestinal bleeding that required intervention within the prior 1 month is ineligible; inherited bleeding diathesis or coagulopathy.
(7) Serious non healing wound and peptic ulcer disease
(8) Previous history of intestinal perforation
(9) Symptomatic central nervous system (CNS) metastasis
(10) Uncontrolled intercurrent illness including, but not limited to, ongoing or active infection, uncontrolled hypertension (systolic >160 mmHg and/or diastolic >100 mmHg), symptomatic congestive heart failure, unstable angina pectoris, myocardial infarction/cerebrovascular event (= 6 months prior to study entry), cardiac arrhythmia, or psychiatric illness/social situations that would limit compliance with study requirements, long term systemic immunosuppressant or corticosteroid, and active viral hepatitis.
(11) Women who are breast-feeding or pregnant are excluded from this study.
(12) Patients with a history of analphylaxis/anaphylactoid reaction to component of peptide vaccine or adjuvant requiring treatment with adrenaline.

Study & Design

Study Type
Interventional Study
Study Design
Not specified
Primary Outcome Measures
NameTimeMethod
safety
Secondary Outcome Measures
NameTimeMethod
objective response rate
© Copyright 2025. All Rights Reserved by MedPath