Moderna doses first participant with Coronavirus vaccine in early stage

mRNA-1273 is Moderna’s 10th infectious disease vaccine to begin a clinical trial

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Moderna, a clinical-stage biotechnology company pioneering messenger RNA (mRNA) therapeutics and vaccines to create a new generation of transformative medicines for patients, has announced that the first participant has been dosed in the Phase 1 study of the Company’s mRNA vaccine (mRNA-1273) against the novel coronavirus (SARS-CoV-2). This Phase 1 study is being conducted by the National Institutes of Health (NIH) under its own Investigational New Drug (IND) application.

mRNA-1273 is an mRNA vaccine against SARS-CoV-2 encoding for a prefusion stabilized form of the Spike (S) protein, which was selected by Moderna in collaboration with investigators from the Vaccine Research Center (VRC) at the National Institute of Allergy and Infectious Diseases (NIAID), a part of NIH. The manufacture of the first clinical batch was funded by the Coalition for Epidemic Preparedness Innovations (CEPI).

The Phase 1 study is evaluating the safety and immunogenicity of three dose levels of mRNA-1273 (25, 100, 250 μg) administered on a two-dose vaccination schedule, given 28 days apart. A total of 45 healthy adults will be enrolled in the study. Participants will be followed through 12 months after the second vaccination. The primary objective is to evaluate the safety and reactogenicity of a two-dose vaccination schedule of mRNA-1273. The secondary aim is to evaluate the immunogenicity of the SARS-CoV-2 S protein.

“This study is the first step in the clinical development of an mRNA vaccine against SARS-CoV-2, and we expect it to provide important information about safety and immunogenicity. We are actively preparing for a potential Phase 2 study under our IND,” said Tal Zaks, chief medical officer at Moderna. “We are grateful to NIH for their ongoing collaboration and to CEPI for funding the initial manufacturing of mRNA-1273 and are proud to be included with many companies, worldwide health agencies and NGOs working on a possible response to the novel coronavirus outbreak.”

On 11 January 2020, the Chinese authorities shared the genetic sequence of the novel coronavirus. On 13 January 2020, the VRC and Moderna’s infectious disease research team finalized the sequence for the SARS-CoV-2 vaccine, and Moderna mobilized toward clinical manufacture. The first clinical batch was completed on 7 February 2020 and underwent analytical testing; it was shipped on 24 February 2020 from Moderna and delivered to NIH from the Company’s manufacturing facility in 42 days from sequence selection.

Next Steps for mRNA-1273

The Company is actively preparing for a potential Phase 2 study under its IND to build on data from the ongoing Phase 1 study being conducted by the NIH. To continue to progress this potential vaccine during the current global public health emergency, Moderna intends to work with the FDA and other government and non-government organizations to be ready for a Phase 2 and any subsequent trials, which are anticipated to include a more significant number of subjects and which will seek to generate additional safety and immunogenicity data. Manufacture of the mRNA-1273 material for the potential Phase 2 trial, which could begin in a few months, is underway. Moderna continues to prepare for the rapid acceleration of its manufacturing capabilities that could allow for the future manufacture of millions of doses should mRNA-1273 prove to be safe and effective.

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