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          MAS-1         |  
      | Vaxjo ID | 173 |  
      | Vaccine Adjuvant Name | MAS-1 |  
      | Adjuvant VO ID | VO_0005471 |  
      | Description | A vaccine adjuvant 30:70 (w/w) Water-in-Oil (W/O) emulsion that stimulates a mixed Th1/Th2 response |  
      | Stage of Development | Clinical Trial |  
      | Location Licensed | US (MerciaPharma) |  
      | Host Species for Testing | Human |  
      | Second Host Species for Testing | Mouse |  
      | Components | Proprietary oily vehicle comprised of 2 metabolizable oils and 2 surfactants (all components are plant-derived, TSE-free sources |  
      | Storage | Bulk-manufactured emulsion: stable for at least 3 years (2-8Deg C), shelf life - 3 years approved by FDA for clinical trial purposes POU formulated MAS-1 emulsion: chemically stable up to 1 wk at RT during validation studies. To ensure aseptic integrity, POU MAS-1 emulsion should be used within 4hrs (clinical use) or 6 hrs (preclinical use) at RT. Sterile MAS-1 oily vehicle: stable for at least 5 yrs (RT). Shelf life of 5yrs approved by FDA for clinical trial purposes |  
      | Function | adjuvanted antigen depot at injection site |  
	  | References | (Blackburn, 2024): Vaccine Adjuvant Compendium - VAC [https://vac.niaid.nih.gov/view?id=68] Gorse et al., 2022: Gorse GJ, Grimes S, Buck H, Mulla H, White P, Hill H, May J, Frey SE, Blackburn P. MAS-1, a novel water-in-oil adjuvant/delivery system, with reduced seasonal influenza vaccine hemagglutinin dose may enhance potency, durability and cross-reactivity of antibody responses in the elderly. Vaccine. 2022; 40(10); 1472-1482. [PubMed: 35125224]. Gorse et al., 2022: Gorse GJ, Grimes S, Buck H, Mulla H, White P, Hill H, May J, Frey SE, Blackburn P. A phase 1 dose-sparing, randomized clinical trial of seasonal trivalent inactivated influenza vaccine combined with MAS-1, a novel water-in-oil adjuvant/delivery system. Vaccine. 2022; 40(9); 1271-1281. [PubMed: 35125219]. |  |