Drug Overview: V180

  • ID: 4462223
  • Drug Pipelines
  • 13 pages
  • Datamonitor Healthcare
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Drug Overview

Merck & Co’s adjuvanted, tetravalent subunit vaccine V180 comprises truncated forms of envelope proteins (DEN-80E), derived from strains of all four dengue virus serotypes (DEN-1 strain 258848, DEN-2 strain PR159 S1, DEN-3 strain CH53489, and DEN-4 strain H241). The DEN-80E subunits are expressed from plasmids in the Drosophila S2 cell expression system and are then formulated with either ISCOMATRIX (saponin, cholesterol, and phospholipid adjuvant; CSL) or Alhydrogel (aluminium hydroxide gel adjuvant; Brenntag Nordic).

V180 is currently in Phase I development in the US and Australia only, but Merck & Co is likely to target the same dengue-endemic Asia-Pacific and Latin American markets as Sanofi Pasteur and Takeda.

V180's more compact dosing schedule could make it a more attractive alternative to Dengvaxia, particularly for travelers, although its current three-dose schedule could still be improved upon to reduce the risk of non-compliance.

The author believes that V180 would achieve its greatest commercial potential as part of a heterologous prime-boost strategy with TetraVax-DV (tetravalent live-attenuated chimeric vaccine; Biological E/Panacea Biotec/Butantan Institute/Merck & Co/Vabiotech), which the company has in-licensed from the US National Institutes of Health, potentially simplifying the vaccination schedule to just two doses. Such a strategy would be attractive for routine immunization programs and for the traveler/military segments, but V180 will likely face competition from GlaxoSmithKline, which is currently pursuing a similar strategy with DPIV (adjuvanted, tetravalent formalin-inactivated vaccine). However, Merck & Co is yet to launch Phase II trials, and since there has been no progress in development since Q4 2016, the future of V180 is unclear.
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Product Profiles
V180: Dengue vaccines

List of Figures
Figure 1: V180 for dengue fever - SWOT analysis

List of Tables
Table 1: V180 drug profile
Table 2: V180 Phase I data in dengue fever
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