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Arcturus Therapeutics’ COVID-19 Vaccine Approved in Japan

Story Highlights
  • Meiji Seika Pharma received approval in Japan for KOSTAIVE®, a self-amplifying mRNA COVID-19 vaccine.
  • Distribution of the vaccine, effective against multiple variants, is set to start in late September 2025.
  • Looking for the best stocks to buy? Follow the recommendations of top-performing analysts.
Arcturus Therapeutics’ COVID-19 Vaccine Approved in Japan

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Arcturus Therapeutics ( (ARCT) ) has issued an update.

On August 29, 2025, Meiji Seika Pharma Co., Ltd., a subsidiary of Meiji Holdings Co., Ltd., announced the approval in Japan for KOSTAIVE®, a self-amplifying mRNA COVID-19 vaccine. This vaccine targets the SARS-CoV-2 Omicron sub lineage JN.1 variant XEC and has shown efficacy against several other variants in non-clinical studies. The vaccine is supplied as a two-dose vial and distribution is set to begin in late September 2025. This development follows a distribution agreement with CSL Seqirus for the Japanese market, potentially strengthening the company’s position in the vaccine industry.

The most recent analyst rating on (ARCT) stock is a Buy with a $54.00 price target. To see the full list of analyst forecasts on Arcturus Therapeutics stock, see the ARCT Stock Forecast page.

Spark’s Take on ARCT Stock

According to Spark, TipRanks’ AI Analyst, ARCT is a Neutral.

Arcturus Therapeutics’ overall stock score is primarily influenced by its financial challenges, including declining revenues and negative cash flow. However, positive technical indicators and promising clinical progress provide some optimism. The company’s valuation remains a concern due to ongoing losses, but strategic developments and shareholder support offer potential for future growth.

To see Spark’s full report on ARCT stock, click here.

More about Arcturus Therapeutics

Average Trading Volume: 554,093

Technical Sentiment Signal: Hold

Current Market Cap: $469.8M

Learn more about ARCT stock on TipRanks’ Stock Analysis page.

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