Survivin Long Peptide Vaccine in Treating Patients With Metastatic Neuroendocrine Tumors

A Phase I Study of Safety and Immunogenicity of Survivin Long Peptide Vaccine (SurVaxM) in Patients With Metastatic Neuroendocrine Tumors (NETs)

This phase I trial studies the side effects of survivin long peptide vaccine and how it works with the immune system in treating patients with neuroendocrine tumors that have spread to other parts of the body (metastatic). Tumor cells make proteins that are not usually produced by normal cells. The body sees these proteins as not belonging and sends white blood cells called T cells to attack the tumor cells that contain these proteins. By vaccinating with small pieces of these proteins called peptides, the immune system can be made to kill tumor cells. Giving survivin long peptide vaccine to patients who have survivin expression in their tumors may create an immune response in the blood that is directed against neuroendocrine tumors.

Study Overview

• Status: Completed
• Conditions: Lung Atypical Carcinoid Tumor; Metastatic Pancreatic Neuroendocrine Tumor; Lung Typical Carcinoid Tumor
• Intervention / Treatment: Biological: Sargramostim; Drug: Octreotide Acetate; Biological: Incomplete Freund's Adjuvant; Biological: SVN53-67/M57-KLH Peptide Vaccine

Detailed Description

PRIMARY OBJECTIVES:

I. To assess safety, tolerability and toxicity of SVN53-67/M57-KLH peptide vaccine (SurVaxM) in emulsion with incomplete Freund's adjuvant (montanide ISA 51) and given subcutaneously with sargramostim (granulocyte macrophage-colony-stimulating factor [GM-CSF]) in combination with a somatostatin analogue, octreotide acetate (Sandostatin LAR) in patients with survivin positive metastatic neuroendocrine tumors (NETs).

SECONDARY OBJECTIVES:

I. To determine clinical benefit (including complete response, partial response and stable disease as defined by Response Evaluation Criteria in Solid Tumors [RECIST] version [v]1.1) at 6 months, 9 months and 12 months from study entry.

II. To evaluate the immunogenicity of SurVaxM in NETs by measuring anti-survivin antibody levels and anti-tumor T-cell responses in peripheral blood.

III. To determine time to progression (TTP) compared to prior to study entry, in patients with metastatic NETs treated with SurVaxM.

EXPLORATORY OBJECTIVES:

I. To explore immune markers associated with clinical responses to SurVaxM in peripheral blood of NETs patients.

OUTLINE:

Patients receive a SVN53-67/M57-KLH peptide vaccine in incomplete Freund's adjuvant subcutaneously (SC) and sargramostim SC on day 0. Treatment repeats every 2 weeks for up to 4 doses in the absence of disease progression or unacceptable toxicity. Patients also receive octreotide acetate intramuscularly (IM) on day 0. Cycles of octreotide acetate repeat every 28 days for 1 year in the absence of disease progression or unacceptable toxicity. Patients who remain free of tumor progression at 6 months and do not develop any regimen-related toxicity or serious adverse events will be eligible to receive additional doses of the vaccine and sargramostim every 3 months, for up to 1 year from the start of treatment.

After completion of study treatment, patients are followed up for 3 months.

• Study Type: Interventional
• Enrollment (Actual): 19
• Phase: Phase 1

Contacts and Locations

Study Locations

• United States
  • New York
    • Buffalo, New York, United States, 14263
      • Roswell Park Cancer Institute

Participation Criteria

Eligibility Criteria

• Ages Eligible for Study: 18 years and older (Adult, Older Adult)
• Accepts Healthy Volunteers: No

Description

Inclusion Criteria:

• Have a Karnofsky performance status >= 70 or Eastern Cooperative Oncology Group (ECOG) performance status =< 1 (i.e. the patient must be able to care for himself/ herself with occasional help from others).
• Pathologically confirmed diagnosis of neuroendocrine tumor of gastrointestinal, pancreatic or lung origin.
• Patients who have been on somatostatin analogues (SSA) may continue to take SSA while on study treatment.
• Patients must have documented progression within the last six months on CT or MRI scans performed at least four weeks apart per RECIST v1.1 criteria. In the case of retreatment, progression may be defined by the treating provider (e.g., clinical, radiographic, biochemical).
• Archival neuroendocrine tumor tissue must test positive for survivin presence by clinical immunohistochemistry prior to study enrollment
• Absolute neutrophil count (ANC) >= 1.5 x 10^9/L (obtained within 14 days prior to enrollment).
• Platelets >= 100 x 10^9/L (obtained within 14 days prior to enrollment).
• Hemoglobin (Hgb) > 9g/dL (obtained within 14 days prior to enrollment).
• Plasma total bilirubin: =< 1.5 x upper limit of normal (ULN) (obtained within 14 days prior to enrollment).
• Alanine aminotransferase (ALT) and aspartate aminotransferase (AST) =< 4 x ULN (obtained within 14 days prior to enrollment).

• Patients on full-dose anticoagulants (e.g., warfarin or low molecular weight [LMW] heparin) must meet the following criteria:

  • No active bleeding or pathological condition that carries a high risk of bleeding (e.g., tumor involving major vessels or known varices, which carries a significant risk of bleeding in investigator's opinion).
• Creatinine =< 1.8 mg/dL (obtained within 14 days of enrollment).
• Participants of child-bearing potential must agree to use adequate contraceptive methods (e.g., hormonal or barrier method of birth control; abstinence) prior to study entry and, have a negative pregnancy test prior to starting study treatment. Should a woman become pregnant or suspect she is pregnant while she or her partner is participating in this study, she should inform her treating physician immediately.
• Participant must understand the investigational nature of this study and sign an Independent Ethics Committee/Institutional Review Board approved written informed consent form prior to receiving any study related procedure.

Exclusion Criteria:

• The patient must not have received any immunotherapy for any malignancy,as long as it was > 3 months prior to study start.
• Patients with serious concurrent infection or medical illness, which in the treating physicians' opinion would jeopardize the ability of the patient to receive the treatment outlined in this protocol with reasonable safety.
• Patients who are pregnant or breast-feeding.
• Patients with a concurrent or prior malignancy are ineligible unless they are patients with curatively treated carcinoma-in-situ or basal cell carcinoma of the skin. Patients who have been free of disease (any prior malignancy) for at least 3 years are eligible for this study.
• Known history of an autoimmune disorder.
• Known human immunodeficiency virus (HIV) positivity or acquired immunodeficiency syndrome (AIDS) related illness or other serious medical illness.
• Previous local therapy (e.g. chemo-embolization, bland, or radio-embolization) is allowed if completed > 6 weeks prior to randomization. For subjects who received local therapy prior to randomization, there must be documented growth of measurable disease within the embolization field prior to study.
• Unwilling or unable to follow protocol requirements.
• Systemic corticosteroid therapy > 2 mg of dexamethasone or equivalent per day at study entry.
• Any condition which in the investigator's opinion deems the participant an unsuitable candidate to receive study drug.
• Received an investigational agent within 30 days prior to enrollment.
• Clinically significant cardiac arrhythmia, bradycardia, tachycardia that would compromise patient safety or the outcome of the 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)

Number of Arms

1

Arms and Interventions

Participant Group / Arm

Intervention / Treatment

Experimental: Treatment (SVN53-67/M57-KLH peptide vaccine, octreotide); Patients receive a SVN53-67/M57-KLH peptide vaccine in incomplete Freund's adjuvant SC and sargramostim SC on day 0. Treatment repeats every 2 weeks for up to 4 doses in the absence of disease progression or unacceptable toxicity. Patients also receive octreotide acetate IM on day 0. Cycles of octreotide acetate repeat every 28 days for 1 year in the absence of disease progression or unacceptable toxicity. Patients who remain free of tumor progression at 6 months and do not develop any regimen-related toxicity or serious adverse events will be eligible to receive additional doses of the vaccine and sargramostim every 3 months, for up to 1 year from the start of treatment.

Biological: Sargramostim; Given SC; Other Names: 23-L-Leucinecolony-Stimulating Factor 2; DRG-0012; Leukine; Prokine; rhu GM-CFS; Sagramostim; Sargramostatin; Drug: Octreotide Acetate; Given IM; Other Names: Sandostatin; D-Phenylalanyl-L-cysteinyl-L-phenylalanyl-D-tryptophyl-L-lysyl-L-threonyl-N-[(1R,2R)-2-hydroxy-1-(hyroxymethyl)propyl]-L-cysteinamide, Cyclic (2->7)-disulfide, Acetate (Salt); Longastatin; Longastatina; Samilstin; Sandostatin Lar Depot; Sandostatina; Sandostatine; SMS 201-995; SMS 201-995 AC; Biological: Incomplete Freund's Adjuvant; Given SC; Other Names: IFA; ISA-51; Montanide ISA 51; Freund's Incomplete Adjuvant; Montanide ISA-51; Biological: SVN53-67/M57-KLH Peptide Vaccine; Given SC

What is the study measuring?

Primary Outcome Measures

Outcome Measure	Measure Description	Time Frame
Incidence of adverse events of SVN53-67/M57-KLH peptide vaccine in combination with octreotide acetate in patients with neuroendocrine tumors	Will be assessed with National Cancer Institute Common Terminology Criteria for Adverse Events version 5.0. Will consider a toxicity to be an adverse event that is possibly, probably or definitely related to treatment. The maximum grade of toxicity for each category of interest will be recorded for each patient and the summary results will be tabulated by category and grade. Will be quantified using the observed rates of the adverse events, serious adverse events (SAE) and regimen limiting toxicities. Toxicity rates will be described using upper 1-sided 95% Jeffreys binomial confidence intervals.	Up to 15 months

Secondary Outcome Measures

Outcome Measure	Measure Description	Time Frame
Immunogenicity of SVN53-67/M57-KLH peptide vaccine	Survivin-specific CD8+ responses will be measured individually at baseline, 12 weeks and end of-study. These measures will be summarized by descriptive statistics (means, medians, quartiles, etc.). Confidence intervals will be constructed for the median and the mean. Exploratory graphical analysis will be used to discover associations among variables.	Baseline up to 15 months
Immunogenicity of SVN53-67/M57-KLH peptide vaccine	Anti-survivin antibody (humoral) responses will be measured individually at baseline, 12 weeks and end of-study. These measures will be summarized by descriptive statistics (means, medians, quartiles, etc.). Confidence intervals will be constructed for the median and the mean. Exploratory graphical analysis will be used to discover associations among variables.	Baseline up to 15 months
Rate of progression	Will be based on Response Evaluation Criteria in Solid Tumors (RECIST) version (v)1.1 on computed tomography scan and comparison rate prior to start of treatment.	Up to 15 months
Clinical benefit	Will be assessed with RECIST v1.1. Clinical Benefit (CB) is defined as number of patients having best overall response as complete response (CR), partial response (PR) or stable disease (SD). The estimated distribution of CB will be plotted using Kaplan Meier curves and reported with median survival and 95% confidence intervals if available.	Up to 12 months
Time to progression (TTP)	The TTP of each patient will be compared to TTP prior to study entry. The analysis will be descriptive and reported separately for each patient.	From enrollment to first documented progression per RECISTv1.1, assessed up to 15 months
Overall response rate (ORR)	Measured by RECIST v1.1.	Up to 15 months
Duration of response (DOR)	Measured by RECIST v1.1.	Up to 15 months

Other Outcome Measures

Outcome Measure	Measure Description	Time Frame
Serum levels of chromogranin A, serotonin and 5-HIAA	Exploratory graphical analysis will be used to discover associations among variables.	Baseline up to 15 months
Serum levels of serotonin and 5-HIAA	Exploratory graphical analysis will be used to discover associations among variables	Baseline up to 15 months
Serum levels of 5-HIAA	Exploratory graphical analysis will be used to discover associations among variables	Baseline up to 15 months

Collaborators and Investigators

• Sponsor: Roswell Park Cancer Institute
• Collaborators: NeuroEndocrine Tumor Research Foundation (NETRF)
• Investigators: Principal Investigator: Jasmeet Kaur, MD, Roswell Park Cancer Institute

Study record dates

Study Major Dates

• Study Start (Actual): June 17, 2019
• Primary Completion (Actual): February 15, 2025
• Study Completion (Actual): March 14, 2025

Study Registration Dates

• First Submitted: March 13, 2019
• First Submitted That Met QC Criteria: March 14, 2019
• First Posted (Actual): March 19, 2019

Study Record Updates

• Last Update Posted (Actual): February 6, 2026
• Last Update Submitted That Met QC Criteria: February 5, 2026
• Last Verified: February 1, 2026

More Information

Terms related to this study

• Additional Relevant MeSH Terms: Endocrine System Diseases; Neoplasms by Site; Neoplasms; Neoplasms by Histologic Type; Digestive System Neoplasms; Digestive System Diseases; Endocrine Gland Neoplasms; Pancreatic Diseases; Neoplasms, Glandular and Epithelial; Adenoma; Pancreatic Neoplasms; Adenoma, Islet Cell; Peptides; Amino Acids, Peptides, and Proteins; Proteins; Organic Chemicals; Fatty Acids; Lipids; Biological Factors; Carbohydrates; Acids, Acyclic; Carboxylic Acids; Polycyclic Compounds; Inorganic Chemicals; Fatty Acids, Volatile; Intercellular Signaling Peptides and Proteins; Glycoproteins; Glycoconjugates; Macrocyclic Compounds; Peptides, Cyclic; Hematopoietic Cell Growth Factors; Cytokines; Octreotide; montanide ISA 51; incomplete Freund's adjuvant; sargramostim; Salts; Acetates; Colony-Stimulating Factors
• Other Study ID Numbers: I 79518 (Other Identifier: Roswell Park Cancer Institute); NCI-2019-00827 (Registry Identifier: CTRP (Clinical Trial Reporting Program))

Drug and device information, study documents

• Studies a U.S. FDA-regulated drug product: Yes
• Studies a U.S. FDA-regulated device product: No
• product manufactured in and exported from the U.S.: Yes