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1. WO2020064865 - ANTIBODY QUANTIFICATION IN BIOLOGICAL SAMPLES

Publication Number WO/2020/064865
Publication Date 02.04.2020
International Application No. PCT/EP2019/075918
International Filing Date 25.09.2019
IPC
A61P 35/00 2006.01
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
PSPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
35Antineoplastic agents
C07K 16/28 2006.01
CCHEMISTRY; METALLURGY
07ORGANIC CHEMISTRY
KPEPTIDES
16Immunoglobulins, e.g. monoclonal or polyclonal antibodies
18against material from animals or humans
28against receptors, cell surface antigens or cell surface determinants
C07K 16/32 2006.01
CCHEMISTRY; METALLURGY
07ORGANIC CHEMISTRY
KPEPTIDES
16Immunoglobulins, e.g. monoclonal or polyclonal antibodies
18against material from animals or humans
32against translation products from oncogenes
G01N 33/68 2006.01
GPHYSICS
01MEASURING; TESTING
NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
33Investigating or analysing materials by specific methods not covered by groups G01N1/-G01N31/131
48Biological material, e.g. blood, urine; Haemocytometers
50Chemical analysis of biological material, e.g. blood, urine; Testing involving biospecific ligand binding methods; Immunological testing
68involving proteins, peptides or amino acids
CPC
A61K 2039/505
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
KPREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES
39Medicinal preparations containing antigens or antibodies
505comprising antibodies
A61K 2039/545
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
KPREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES
39Medicinal preparations containing antigens or antibodies
545characterised by the dose, timing or administration schedule
A61P 35/00
AHUMAN NECESSITIES
61MEDICAL OR VETERINARY SCIENCE; HYGIENE
PSPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
35Antineoplastic agents
C07K 16/2809
CCHEMISTRY; METALLURGY
07ORGANIC CHEMISTRY
KPEPTIDES
16Immunoglobulins [IGs], e.g. monoclonal or polyclonal antibodies
18against material from animals or humans
28against receptors, cell surface antigens or cell surface determinants
2803against the immunoglobulin superfamily
2809against the T-cell receptor (TcR)-CD3 complex
C07K 16/2863
CCHEMISTRY; METALLURGY
07ORGANIC CHEMISTRY
KPEPTIDES
16Immunoglobulins [IGs], e.g. monoclonal or polyclonal antibodies
18against material from animals or humans
28against receptors, cell surface antigens or cell surface determinants
2863against receptors for growth factors, growth regulators
C07K 16/2896
CCHEMISTRY; METALLURGY
07ORGANIC CHEMISTRY
KPEPTIDES
16Immunoglobulins [IGs], e.g. monoclonal or polyclonal antibodies
18against material from animals or humans
28against receptors, cell surface antigens or cell surface determinants
2896against molecules with a "CD"-designation, not provided for elsewhere
Applicants
  • ICHNOS SCIENCES S.A. [CH]/[CH]
Inventors
  • GUDI, Girish
  • GN, Sunitha
  • FLUHLER, Eric
Priority Data
18196523.725.09.2018EP
18196773.826.09.2018EP
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) ANTIBODY QUANTIFICATION IN BIOLOGICAL SAMPLES
(FR) QUANTIFICATION D'ANTICORPS DANS DES ÉCHANTILLONS BIOLOGIQUES
Abstract
(EN)
The invention relates to a method for quantifying bispecific antibodies, in particular bispecific antibody therapeutics, in biological samples by quantifying a unique signature peptide of said antibody by mass spectrometry. The invention relates also to a kit comprising the unique signature peptide.
(FR)
L'invention concerne un procédé de quantification d'anticorps bispécifiques, en particulier d'agents thérapeutiques de type anticorps bispécifique, dans des échantillons biologiques, par quantification d'un peptide signature unique dudit anticorps par spectrométrie de masse. L'invention concerne également un kit comprenant le peptide de signature unique.
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