CureVac Presents Promising Data at SITC from Phase 1 Study of Oncology Candidate CV8102 Showing Systemic Immune Response

Immune profiling of clinical trial participants in Phase 1 dose-escalation study shows immune  response in both injected and non-injected lesions 

Expansion part of Phase 1 study fully recruited; results expected in the second half of 2022 

TÜBINGEN, Germany/ BOSTON, USA – November 10, 2021 – CureVac N.V. (Nasdaq: CVAC), a global  biopharmaceutical company developing a new class of transformative medicines based on messenger  ribonucleic acid (“mRNA”), today announced promising data from the completed dose-escalation part  of the Phase 1 clinical trial of CV8102, the company’s lead oncology candidate. The data support the  hypothesis that local injection of the RNA immuno-modulator into a single tumor lesion is able to  induce a systemic response leading to immune attack against both injected and non-injected tumors.  Extensive analysis of immune cell activation shows efficient stimulation of the immune system  characterized by the induction of interferon alpha and interferon gamma signaling pathways. Serial  tumor biopsies from individual patients demonstrated increased infiltration of tumor-fighting T cells  in the microenvironment of injected as well as non-injected tumors. The study focuses on patients with  advanced cutaneous melanoma, adenoid cystic carcinoma and squamous cell carcinoma of the skin or  head and neck, treated with CV8102 alone and in combination with anti-PD-1 antibodies. The data are being presented at the Society for Immunotherapy of Cancer (SITC) Conference, held in Washington,  D.C., and virtually from November 10–14, 2021. 

“The preliminary data from the Phase 1 dose escalation part of this study allow a much deeper  understanding of the promising biologic effects of CV8102 observed in several patients,” said Dr. Klaus  Edvardsen, Chief Development Officer at CureVac. “CV8102 is designed to mimic a viral infection of  the injected tumor. This potentially leads to a broad activation of tumor-specific T cells, which can kill  tumor cells at the injected but also at distant sites. We expect that the data will be supplemented by  upcoming results of the expansion study, which will provide further insight into which patients are  more likely to experience a clinical response to CV8102.” 

An expansion part of the Phase 1 study, initiated in February and fully recruited in October 2021, aims  to confirm the safety, tolerability and efficacy of CV8102 at the recommended 600μg dose in patients  with advanced melanoma. The study involves 40 trial participants, with 10 in the single-agent cohort  and 30 in the combination cohort. Data from the expansion part of the study is expected in the second  half of 2022. 

The dose-escalation part of the study included a total of 58 patients, 33 of which were treated in the  in the single-agent cohort and 25 in the combination cohort. Data presented in September at the  European Society for Medical Oncology (ESMO) conference found that as of the cutoff date of June 21,  2021, in the single-agent CV8102 dose-escalation cohort, one patient with a complete response and  two patients with a partial response were observed. In addition, 12 patients experienced stable disease.  

In the PD-1 combination dose-escalation cohort, one PD-1 refractory melanoma patient experienced  a partial response while three patients experienced stable disease.

About CV8102 and the Phase 1 Clinical Trial 

CV8102 is a single-stranded non-coding RNA optimized to maximize activation of cellular receptors  that normally detect viral pathogens entering the cells, such as toll-like receptors 7 and 8 (TLR7/8), and  retinoic acid inducible gene I (RIG-I), mimicking a viral infection of the tumor. CV8102 is designed to  recruit and activate antigen-presenting cells at the site of injection to present tumor antigens released  from tumor cells to T cells in the draining lymph node. This potentially leads to activation of tumor specific T cells, which can kill tumor cells at the injected site, but also at distant non-injected tumor  lesions or metastases. 

The Phase 1, open-label, dose escalation and expansion study of CV8102 is fully recruited and includes patients with advanced melanoma, cutaneous squamous cell carcinoma, squamous cell carcinoma of  head and neck or adenoid cystic carcinoma. The primary objective of the study is to assess safety and  tolerability of CV8102.The dose escalation part tests escalating doses of single-agent CV8102 and  CV8102 in combination with licensed anti-PD-1 antibodies in the range of 25-900µg. The expansion  part of the study focuses on patients with advanced melanoma treated with a recommended dose of  600µg. 

About CureVac 

CureVac is a global biopharmaceutical company in the field of messenger RNA (mRNA) technology,  with more than 20 years of expertise in developing and optimizing the versatile biological molecule  for medical purposes. The principle of CureVac’s proprietary technology is the use of optimized mRNA as a data carrier to instruct the human body to produce its own proteins capable of fighting a  broad range of diseases. In July 2020, CureVac entered in a collaboration with GSK to jointly develop  new products in prophylactic vaccines for infectious diseases based on CureVac’s second-generation  mRNA technology. This collaboration was later extended to the development of second-generation  COVID-19 vaccine candidates, and modified mRNA vaccine technologies. Based on its proprietary  technology, CureVac has built a deep clinical pipeline across the areas of prophylactic vaccines,  cancer therapies, antibody therapies, and the treatment of rare diseases. CureVac had its initial  public offering on the New York Nasdaq in August 2020. It is headquartered in Tübingen, Germany,  and employs more than 700 people at its sites in Tübingen, Frankfurt, and Boston, USA. Further  information can be found at www.curevac.com. 

CureVac Investor Relations Contact 

Dr. Sarah Fakih, Vice President Corporate Communications and Investor Relations CureVac, Tübingen, Germany 

T: +49 7071 9883-1298 

M: +49 160 90 496949 

[email protected] 

CureVac Media Contact 

Anna Kamilli, Manager Communications 

CureVac, Tübingen, Germany 

T: +49 7071 9883-1684 

[email protected]

Bettina Jödicke-Braas, Manager Communications 

CureVac, Tübingen, Germany 

T: 49 7071 9883-1087 

[email protected] 

Forward-Looking Statements CureVac 

This press release contains statements that constitute “forward looking statements” as that term is  defined in the United States Private Securities Litigation Reform Act of 1995, including statements that  express the opinions, expectations, beliefs, plans, objectives, assumptions or projections of CureVac  N.V. and/or its wholly owned subsidiaries CureVac AG, CureVac Real Estate GmbH, CureVac Inc.,  CureVac Swiss AG and CureVac Corporate Services GmbH (the “company”) regarding future events or  future results, in contrast with statements that reflect historical facts. Examples include discussion of  the potential efficacy of the company’s vaccine and treatment candidates and the company’s  strategies, financing plans, growth opportunities and market growth. In some cases, you can identify  such forward-looking statements by terminology such as “anticipate,” “intend,” “believe,” “estimate,”  “plan,” “seek,” “project,” or “expect,” “may,” “will,” “would,” “could,” “potential,” “intend,” or  “should,” the negative of these terms or similar expressions. Forward-looking statements are based  on management’s current beliefs and assumptions and on information currently available to the  company. However, these forward-looking statements are not a guarantee of the company’s  performance, and you should not place undue reliance on such statements. Forward-looking  statements are subject to many risks, uncertainties and other variable circumstances, including  negative worldwide economic conditions and ongoing instability and volatility in the worldwide  financial markets, ability to obtain funding, ability to conduct current and future preclinical studies and  clinical trials, the timing, expense and uncertainty of regulatory approval, reliance on third parties and  collaboration partners, ability to commercialize products, ability to manufacture any products, possible  changes in current and proposed legislation, regulations and governmental policies, pressures from  increasing competition and consolidation in the company’s industry, the effects of the COVID-19  pandemic on the company’s business and results of operations, ability to manage growth, reliance on  key personnel, reliance on intellectual property protection, ability to provide for patient safety, and  fluctuations of operating results due to the effect of exchange rates or other factors. Such risks and  uncertainties may cause the statements to be inaccurate and readers are cautioned not to place undue  reliance on such statements. Many of these risks are outside of the company’s control and could cause  its actual results to differ materially from those it thought would occur. The forward-looking  statements included in this press release are made only as of the date hereof. The company does not  undertake, and specifically declines, any obligation to update any such statements or to publicly  announce the results of any revisions to any such statements to reflect future events or developments,  except as required by law. 

For further information, please reference the company’s reports and documents filed with the U.S.  Securities and Exchange Commission (SEC). You may get these documents by visiting EDGAR on the  SEC website at www.sec.gov.

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