Status:

TERMINATED

VAccination in Early and ADvanced Prostate caNCEr

Lead Sponsor:

University of Oxford

Collaborating Sponsors:

Barinthus Biotherapeutics

Conditions:

Intermediate Risk Prostate Cancer

Castration-resistant Prostate Cancer

Eligibility:

MALE

18+ years

Phase:

PHASE1

PHASE2

Brief Summary

This is a clinical trial of a new treatment for prostate cancer that is a type of vaccine that could be a new way to treat cancer. A vaccine that could alert the immune system to the presence of cance...

Detailed Description

The purpose of this study was to evaluate the safety and efficacy of a combination of two new vaccines (ChAdOx1.5T4 and MVA.5T4) with a monoclonal antibody (PD-1 mAb, also known as Nivolumab and Opdiv...

Eligibility Criteria

Inclusion

  • For all participants:
  • Histologically confirmed adenocarcinoma of the prostate cancer
  • Any antineoplastic therapy must have been completed a minimum of 28 days prior to enrolment
  • Systemic antimicrobial therapy must have been completed a minimum of 7 days prior to enrolment
  • An archival specimen of tumour tissue should be available
  • Baseline laboratory parameters must meet the following criteria:
  • Haemoglobin ≥ 80 g/L, White cell count ≥ 2.0 x10\^9/L, Neutrophils ≥ 1.5 x10\^9/L, Lymphocytes ≥ 0.5 x10\^9/L, Platelets ≥ 100 x10\^9/L, Creatinine Clearance ≥ 40 ml/min by Cockcroft Gault formulation, Total Bilirubin ≤ 1.5 ULN, Alanine Aminotransferase ≤ 1.5 ULN, Amylase ≤ 1.5 ULN
  • For surgical cohort:
  • Clinically localised or locally advanced disease deemed operable by the treating consultant urological surgeon i.e.: Gleason score ≤ 7, local tumour stage ≤T3c and deemed operable, no evidence of metastases (Nx/N0 and Mx/M0), no evidence of high grade Gleason 5 disease, PSA ≤ 20 ng/ml
  • Scheduled for and considered fit for radical prostatectomy
  • For advanced metastatic cohort:
  • Evidence of at least one distant metastasis based on MRI, CT, PET or bone scintigraphy
  • Established on and suitable to continue with androgen deprivation therapy (ADT) using any luteinizing hormone releasing hormone (LHRH) agonist
  • On treatment with anti-androgen therapy using either abiraterone (Zytiga®) or enzalutamide (Xtandi®) and demonstrating evidence of disease progression at the time of enrolment
  • Suitable to continue therapy with either abiraterone or enzalutamide at the time of enrolment at discretion of their managing clinician
  • Patients who have received chemotherapy following progression on androgen-targeting therapies are eligible
  • Satisfactory functional status defined as ECOG Performance Status ≤ 1

Exclusion

  • For all participants:
  • Any prior diagnosis or clinical suspicion of autoimmune disease
  • History of allergic disease or reaction likely to be exacerbated by any component of the vaccine, e.g. egg products
  • Other prior malignancy with an estimated ≥ 30% chance of relapse within 2 years
  • Participation in another research study involving an investigational product or investigational surgical procedure in the 30 days preceding enrolment, or planned use during the study period
  • Any prior exposure to checkpoint inhibitor drugs including anti-PD-1, anti-PD-L1, or anti-CTLA-4 monoclonal antibodies or any prior treatment with investigational vaccines
  • Administration of immunoglobulins and/or any blood products within the one month preceding the planned administration of the study drugs
  • Seropositive for hepatitis B surface antigen (HBsAg)
  • Seropositive for hepatitis C virus (antibodies to HCV)
  • Any confirmed or suspected immunocompromised state
  • Any history of hereditary angioedema, acquired angioedema, or idiopathic angioedema
  • History of anaphylaxis in relation to vaccination or any clinically significant allergic disease likely to be exacerbated by any component of the vaccine or checkpoint inhibitor preparations
  • For advanced metastatic cohort:
  • The treating oncologist estimates a subject's life expectancy to be ≤ 6 months
  • Any active, previously treated, or suspected intracranial or leptomeningeal metastases

Key Trial Info

Start Date :

December 10 2018

Trial Type :

INTERVENTIONAL

Allocation :

ACTUAL

End Date :

June 24 2020

Estimated Enrollment :

23 Patients enrolled

Trial Details

Trial ID

NCT03815942

Start Date

December 10 2018

End Date

June 24 2020

Last Update

June 25 2025

Active Locations (2)

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Page 1 of 1 (2 locations)

1

Department of Oncology, The Christie NHS Foundation Trust

Manchester, United Kingdom, M20 4BX

2

Cancer and Haematology Centre, Churchill Hospital, Oxford University Hospitals NHS Foundation Trust

Oxford, United Kingdom, OX3 7LE