Cited by 287Immunotherapy and Immune ResponsesProstate Cancer Treatment and ResearchProstate Cancer Diagnosis and Treatment

Self-adjuvanted mRNA vaccination in advanced prostate cancer patients: a first-in-man phase I/IIa study

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Kübler, Hubert, Scheel, Birgit, Gnad-Vogt, Ulrike, Miller, Kurt, Schultze-Seemann, Wolfgang, vom Dorp, Frank, Parmiani, Giorgio, Hampel, Christian +12 more·2015·Journal for Immunotherapy of Cancer

Abstract

BACKGROUND: CV9103 is a prostate-cancer vaccine containing self-adjuvanted mRNA (RNActive®) encoding the antigens PSA, PSCA, PSMA, and STEAP1. This phase I/IIa study evaluated safety and immunogenicity of CV9103 in patients with advanced castration-resistant prostate-cancer. METHODS: 44 Patients received up to 5 intra-dermal vaccinations. Three dose levels of total mRNA were tested in Phase I in cohorts of 3-6 patients to determine a recommended dose. In phase II, 32 additional patients were treated at the recommended dose. The primary endpoint was safety and tolerability, the secondary endpoint was induction of antigen specific immune responses monitored at baseline and at weeks 5, 9 and 17. RESULTS: The most frequent adverse events were grade 1/2 injection site erythema, injection site reactions, fatigue, pyrexia, chills and influenza-like illness. Possibly treatment related urinary retention occurred in 3 patients. The recommended dose was 1280 μg. A total of 26/33 evaluable patients treated at 1280 μg developed an immune response, directed against multiple antigens in 15 out of 33 patients. One patient showed a confirmed PSA response. In the subgroup of 36 metastatic patients, the Kaplan-Meier estimate of median overall survival was 31.4 months [95 % CI: 21.2; n.a]. CONCLUSIONS: The self-adjuvanted RNActive® vaccine CV9103 was well tolerated and immunogenic. The technology is a versatile, fast and cost-effective platform allowing for creation of vaccines. The follow-up vaccine CV9104 including the additional antigens prostatic acid phosphatase (PAP) and Muc1 is currently being tested in a randomized phase IIb trial to assess the clinical benefit induced by this new vaccination approach. TRIAL REGISTRATION: EU Clinical Trials Register: EudraCT number 2008-003967-37, registered 27 Jan 2009.

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  • Both CVnCoV and CV2CoV are based on RNActive technology and consist of non-chemically modified sequence-engineered mRNA without pseudouridine.

    “Both CVnCoV and CV2CoV are based on RNActive technology4–7 and consist of non-chemically modified sequence-engineered mRNA without pseudouridine6–12.”

    From Optimization of non-coding regions for a non-modified mRNA COVID-19 vaccine (2022) · cites this paper as [7]

    The Background and Methods (RNActive® technology; page not provided) describe RNActive as an mRNA-vaccine platform using free and protamine-complexed mRNA. Our copy studies CV9103, however, and does not identify CVnCoV or CV2CoV or establish that their mRNA is sequence-engineered, non-chemically modified, or free of pseudouridine. (LLM, conf=0.79)

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Authors
Kübler, H., Scheel, B., Gnad-Vogt, U., Miller, K., Schultze-Seemann, W., vom Dorp, F., Parmiani, G., Hampel, C., Wedel, S., Trojan, L., Jocham, D., Maurer, T., Rippin, G., Fotin-Mleczek, M., von der Mülbe, F., Probst, J., Hoerr, I., Kallen, K.-J., Lander, T., & Stenzl, A.
Affiliations
  • TUM Klinikum (DE)
  • CureVac (Germany) (DE)
  • Charité – Universitätsmedizin Berlin (DE)
  • IRCCS Ospedale San Raffaele (IT)
  • Johannes Gutenberg University Mainz (DE)
  • Ortenau Klinikum (DE)
  • University Medical Centre Mannheim (DE)
  • University Hospital Schleswig-Holstein (DE)
  • Universitätsklinikum Tübingen (DE)
Corresponding author
Scheel, Birgit
Venue
Journal for Immunotherapy of Cancer
Publisher
BMJ
Published
2015-06-16
Volume
3
Issue
1
Pages
26-26
ISSN
2051-1426 (ISSN-L)
OpenAlex
W1833523230
Cited by
287
References
51
Citations by year
2026: 13 · 2025: 32 · 2024: 34 · 2023: 45 · 2022: 37 · 2021: 41 · 2020: 15 · 2019: 11 · 2018: 18 · 2017: 19 · 2016: 20 · 2015: 2
FWCI
9.67
Type
journal article
Language
en
Open access
Locations
  • Journal for ImmunoTherapy of Cancer (publishedVersion)
  • Europe PMC (PubMed Central) (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • FreiDok plus (Universitätsbibliothek Freiburg) (submittedVersion)
  • GoeScholar The Publication Server of the Georg-August-Universität Göttingen (Georg-August-Universität Göttingen) (submittedVersion, cc-by)
  • mediaTUM – the media and publications repository of the Technical University Munich (Technical University Munich) (submittedVersion)
Funders
  • European Commission (518234)
  • Sixth Framework Programme
Topics
  • Life Sciences › Immunology and Microbiology › Immunology › Immunotherapy and Immune Responses
  • Health Sciences › Medicine › Pulmonary and Respiratory Medicine › Prostate Cancer Treatment and Research
  • Health Sciences › Medicine › Pulmonary and Respiratory Medicine › Prostate Cancer Diagnosis and Treatment
Keywords
mRNA vaccines, castration-resistant prostate cancer, advanced prostate cancer, vaccine safety, immunogenicity, PSA, prostate stem cell antigen, prostate-specific membrane antigen, STEAP1, antigen-specific immune response, recommended dose, overall survival, metastatic prostate cancer

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