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Title:
HTLV-1 NUCLEIC ACID LIPID PARTICLE VACCINE
Document Type and Number:
WIPO Patent Application WO/2022/244801
Kind Code:
A1
Abstract:
Provided is a vaccine for the treatment and/or prevention of infection by human T-cell leukemia virus type 1 (HTLV-1). A lipid particle of the present invention has encapsulated therein a nucleic acid that enables expression of the Tax antigen or the gp46 antigen of HTLV-1. The particle includes a lipid including a cationic lipid represented by general formula (Ia) or a pharmaceutically acceptable salt thereof. In the formula: R1 and R2 independently represent a C1-C3 alkyl group; L1 represents a C17-C19 alkenyl group optionally having one or more C2-C4 alkanoyloxy groups; L2 represents a C10-C19 alkyl group optionally having one or more C2-C4 alkanoyloxy groups or represents a C10-C19 alkenyl group optionally having one or more C2-C4 alkanoyloxy groups; and p represents 3 or 4.

Inventors:
ISHII KEN (JP)
FUKUSHIMA TAKUYA (JP)
TANAKA YUETSU (JP)
TAKESHITA FUMIHIKO (JP)
KOIZUMI MAKOTO (JP)
NIWA TAKAKO (JP)
NOGUSA SHOKO (JP)
JONAI NAO (JP)
ONODERA YOSHIKUNI (JP)
Application Number:
PCT/JP2022/020646
Publication Date:
November 24, 2022
Filing Date:
May 18, 2022
Export Citation:
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Assignee:
NAT INST BIOMEDICAL INNOVATION HEALTH & NUTRITION (JP)
UNIV OF THE RYUKYUS (JP)
DAIICHI SANKYO CO LTD (JP)
International Classes:
A61K39/21; A61K9/127; A61K31/7115; A61K38/16; A61K47/10; A61K47/18; A61K47/24; A61K47/28; A61P31/14; C12N15/88
Domestic Patent References:
WO2015005253A12015-01-15
WO2015164674A12015-10-29
WO2015005253A12015-01-15
Foreign References:
JP2010508014A2010-03-18
JP2021084942A2021-06-03
Other References:
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"Uniprot", Database accession no. P03409
Attorney, Agent or Firm:
HIRAKI & ASSOCIATES (JP)
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