EP4701646A1 - Composition vaccinale anti-ngf - Google Patents
Composition vaccinale anti-ngfInfo
- Publication number
- EP4701646A1 EP4701646A1 EP24726940.0A EP24726940A EP4701646A1 EP 4701646 A1 EP4701646 A1 EP 4701646A1 EP 24726940 A EP24726940 A EP 24726940A EP 4701646 A1 EP4701646 A1 EP 4701646A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- subunit
- sequence
- ngf protein
- ngf
- polypeptide
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07K—PEPTIDES
- C07K14/00—Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof
- C07K14/435—Peptides having more than 20 amino acids; Gastrins; Somatostatins; Melanotropins; Derivatives thereof from animals; from humans
- C07K14/475—Growth factors; Growth regulators
- C07K14/48—Nerve growth factor [NGF]
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K39/00—Medicinal preparations containing antigens or antibodies
- A61K39/0005—Vertebrate antigens
- A61K39/0007—Nervous system antigens; Prions
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K39/00—Medicinal preparations containing antigens or antibodies
- A61K2039/555—Medicinal preparations containing antigens or antibodies characterised by a specific combination antigen/adjuvant
- A61K2039/55511—Organic adjuvants
- A61K2039/55566—Emulsions, e.g. Freund's adjuvant, MF59
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K39/00—Medicinal preparations containing antigens or antibodies
- A61K2039/57—Medicinal preparations containing antigens or antibodies characterised by the type of response, e.g. Th1, Th2
- A61K2039/575—Medicinal preparations containing antigens or antibodies characterised by the type of response, e.g. Th1, Th2 humoral response
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K39/00—Medicinal preparations containing antigens or antibodies
- A61K2039/60—Medicinal preparations containing antigens or antibodies characteristics by the carrier linked to the antigen
- A61K2039/6031—Proteins
- A61K2039/6037—Bacterial toxins, e.g. diphteria toxoid [DT], tetanus toxoid [TT]
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K39/00—Medicinal preparations containing antigens or antibodies
- A61K2039/60—Medicinal preparations containing antigens or antibodies characteristics by the carrier linked to the antigen
- A61K2039/6031—Proteins
- A61K2039/6081—Albumin; Keyhole limpet haemocyanin [KLH]
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07K—PEPTIDES
- C07K2319/00—Fusion polypeptide
- C07K2319/40—Fusion polypeptide containing a tag for immunodetection, or an epitope for immunisation
Definitions
- the present invention relates to peptides or polypeptides useful for eliciting an immune response against Nerve Growth Factor (NGF).
- NGF Nerve Growth Factor
- CRPD neuropathic pain
- OA osteoarthritis
- NGF and its receptors (TrkA and p75 NTR ) appear to be the main regulators controlling both the neuropathic and inflammatory components of pain. Excessive levels of NGF, induced by tissue damage or other factors, lead to rapid sensitization of nociceptors, reducing the threshold for pain sensation and increasing the intensity of the pain experienced (e.g., allodynia and hyperalgesia).
- NGF neurotrophic factor
- NGF may intervene in some underlying mechanisms in pulmonary fibrosis (PF), coronavirus disease 2019 (COVID-19), pulmonary hypertension (PH), asthma, chronic obstructive pulmonary disease (COPD), and lung cancer.
- PF pulmonary fibrosis
- COVID-19 coronavirus disease 2019
- PH pulmonary hypertension
- COPD chronic obstructive pulmonary disease
- lung cancer a critical mediator in the neuroimmune mechanisms of asthma and aggravates airway inflammation and remodeling.
- Serum NGF levels are also extremely elevated in COPD subjects (Stabile et al. (2016) J. Biol. Chem. 397:157-163).
- NGF stimulates angiogenesis, including non-small cell lung cancer (NSCLC) (Lu et al. (2014) J. Huazhong Univ. Sci. Technol.
- the present invention arises from the unexpected demonstration, by the inventors, that polypeptides derived from sequences extending from amino acids 122 to 136 and 148 to 158 of the ⁇ subunit of the human NGF protein (hNGF) allowed the production of antibodies, in particular neutralizing antibodies, directed against the hNGF protein.
- hNGF human NGF protein
- the present invention therefore relates to a polypeptide comprising, or consisting of: - a first sequence consisting of at least 8 contiguous amino acids chosen from the sequence extending from amino acids 122 to 136, in particular, of the ⁇ subunit of the NGF protein and of at most 30 contiguous amino acids chosen from the complete sequence of the ⁇ subunit of the NGF protein, or a variant sequence having at least 75% identity with the first sequence; and/or - a second sequence consisting of at least 8 contiguous amino acids chosen from the sequence extending from amino acids 148 to 158 of the ⁇ subunit of the NGF protein and of at most 30 contiguous amino acids chosen from the complete sequence of the ⁇ subunit of the NGF protein, or a variant sequence having at least 75% identity with the second sequence; provided that the polypeptide is different from the ⁇ subunit of the NGF protein and that it does not consist of a portion of more than 30 contiguous amino acids of the ⁇ subunit of the NGF protein, and provided that polypeptides
- the invention relates more particularly to a polypeptide comprising, or consisting of: - a first sequence consisting of SEQ ID NO: 1, 22, 24, 26, 28 or 29, in particular SEQ ID NO: 1 or 28, or a variant sequence having at least 75% identity with the first sequence; and/or - a second sequence consisting of SEQ ID NO: 2, 23, 25 or 27, in particular SEQ ID NO: 2 or 27, or a variant sequence having at least 75% identity with the second sequence.
- the present invention also relates to a nucleic acid encoding a polypeptide as defined above, or the complement thereof.
- the present invention also relates to: - at least one polypeptide as defined above, or - at least one nucleic acid as defined above, for use as a medicament, in particular a vaccine, in particular for human or veterinary use.
- the medicament, in particular the vaccine, as defined above also comprises at least one other compound intended for the prevention or treatment of a disease linked to or due to the NGF protein.
- the present invention also relates to a pharmaceutical composition, in particular a vaccine, comprising, as active substance: - at least one polypeptide as defined above, or - at least one nucleic acid as defined above, optionally in combination with at least one pharmaceutically acceptable vehicle.
- the pharmaceutical composition, in particular a vaccine, as defined above also comprises at least one other compound intended for the prevention or treatment of a disease linked to or due to the NGF protein.
- the present invention also relates to the use of a polypeptide as defined above, for the preparation of an antibody, an antibody fragment or an aptamer.
- the present invention also relates to a method for preparing an antibody, antibody fragment or aptamer comprising a step of administering a polypeptide as defined above to an antibody-producing organism or a step of affinity selection of an antibody, antibody fragment or aptamer that binds to the polypeptide as defined above.
- the present invention also relates to an anti-NGF antibody, antibody fragment or aptamer specifically directed against the polypeptide as defined above, provided that the polypeptide does not comprise more than two amino acid residues in addition to the first or second sequence or their respective variant sequences.
- the present invention also relates to an antibody, antibody fragment or aptamer as defined above, for use as a medicament.
- the medicament as defined above also comprises at least one other compound intended for the prevention or treatment of a disease linked to or due to the NGF protein.
- the present invention also relates to a pharmaceutical composition comprising, as active ingredient, an antibody, an antibody fragment, or a aptamer as defined above, optionally in combination with a pharmaceutically acceptable vehicle.
- the pharmaceutical composition as defined above also comprises at least one other compound intended for the prevention or treatment of a disease linked to or due to the NGF protein.
- the present invention also relates to a polypeptide as defined above, a nucleic acid (RNA or DNA) as defined above, or a pharmaceutical composition as defined above, for use in a method for eliciting an immune response directed against the NGF protein in an individual.
- the polypeptide, nucleic acid or pharmaceutical composition is used in combination with at least one other compound useful for eliciting an immune response directed against the NGF protein.
- the present invention also relates to a method for eliciting an immune response directed against the NGF protein in an individual, comprising administering to the individual an effective amount of a polypeptide as defined above, a nucleic acid as defined above, or a pharmaceutical composition as defined above.
- the polypeptide, nucleic acid or pharmaceutical composition is administered in combination with at least one other compound useful for eliciting an immune response directed against the NGF protein.
- the present invention also relates to the use of a polypeptide as defined above or a nucleic acid as defined above for the preparation of a medicament intended to elicit an immune response directed against the NGF protein in an individual.
- the medicament also comprises at least one other compound useful for eliciting an immune response directed against the NGF protein.
- the present invention also relates to a polypeptide as defined above, a nucleic acid as defined above, a pharmaceutical composition as defined above, or an antibody, an antibody fragment or an aptamer as defined above, for use in a method of preventing or treating a disease related to or due to the NGF protein in an individual.
- the polypeptide, the nucleic acid, the pharmaceutical composition, or the antibody, the antibody fragment or the aptamer is used in combination with at least one other therapy for the prevention or treatment of a disease related to the NGF protein.
- the present invention also relates to a method for preventing or treating a disease related to or due to the NGF protein in an individual, comprising administering to the individual an effective amount of a polypeptide as defined above, a nucleic acid as defined above, a pharmaceutical composition as defined above, or an antibody, an antibody fragment or an aptamer as defined above.
- the method comprises at least one other therapy for the prevention or treatment of a disease related to the NGF protein.
- the present invention also relates to the use of a polypeptide as defined above, a nucleic acid as defined above, or an antibody, an antibody fragment or an aptamer as defined above, for the preparation of a medicament intended for the prevention or treatment of a disease linked to or due to the NGF protein in an individual.
- the medicament comprises at least one other compound intended for the prevention of a disease linked to or due to the NGF protein.
- the present invention also relates to products containing: - a polypeptide or a nucleic acid as defined above, and - at least one other compound intended for the prevention or treatment of a disease linked to or due to the NGF protein, as a combination product for simultaneous, separate or spread-out use over time for the prevention or treatment of a disease linked to or due to the NGF protein.
- the term “comprising” means “including”, “containing” or “encompassing”, that is to say that when an object "comprises” one or more elements, other elements than those mentioned may also be included in the object.
- NGF protein is Nerve Growth Factor, also called NGF, Beta-HSAN5 or NGFB, and is well known to those skilled in the art.
- NGF is a multimeric protein comprising ⁇ , ⁇ and ⁇ subunits, generally with the stoichiometry ⁇ 2 ⁇ 2 ⁇ 2.
- the ⁇ subunit of NGF, or ⁇ -NGF carries the catalytic activity.
- NGF is sometimes used as a synonym for ⁇ -NGF.
- the ⁇ -subunit of the NGF protein according to the invention is selected from the group consisting of the ⁇ -subunit of the human NGF protein, the ⁇ -subunit of the mouse NGF protein, the ⁇ -subunit of the rat NGF protein, the ⁇ -subunit of the rabbit NGF protein, the ⁇ -subunit of the monkey NGF protein, the ⁇ -subunit of the dog NGF protein, the ⁇ -subunit of the cat NGF protein, the ⁇ -subunit of the horse NGF protein, the ⁇ -subunit of the pig NGF protein, the ⁇ -subunit of the sheep NGF protein, and the ⁇ -subunit of the dromedary NGF protein.
- the NGF protein is the ⁇ subunit of human NGF (hNGF) or dog NGF protein.
- hNGF human NGF protein
- mNGF mouse NGF protein
- mNGF mouse NGF protein
- mNGF mouse NGF protein
- mNGF ⁇ subunit of the rat NGF protein
- NP_001263984.1 the Uniprot/SwissProt database under the reference P25427 and consists of SEQ ID NO: 5 or 18
- - the ⁇ subunit of the rabbit NGF protein is as described in the NCBI Genbank database under the reference XP_051712092.1 and consists of SEQ ID NO: 6, - the ⁇ subunit of
- - the ⁇ subunit of the horse NGF protein is as described in the Genbank database under the reference XP_001496237.2 and consists of SEQ ID NO: 10
- - the ⁇ -subunit of pig NGF protein is as described in the Genbank database under reference XP_020945655.1 and consists of SEQ ID NO: 11
- - the ⁇ -subunit of sheep NGF protein is as described in the UniProt/Swissprot database under reference A0A481MW93 or in the Genbank database under reference XP_060257455.1 and consists of SEQ ID NO: 12 or
- - the ⁇ -subunit of dromedary NGF protein is as described in the UniProt/Swissprot database under reference A0A5N4DT36 and consists of SEQ ID NO: 13.
- amino acid residue numbering of the subunit ⁇ -unit of the NGF protein begins at the first amino acid residue, usually a methionine (M), forming the N-terminus of the ⁇ -subunit of the complete NGF protein encoded by the open reading frame of the NGF ⁇ -subunit gene ( ⁇ -NGF), i.e. including its signal peptide and the constitutive propeptide of pro-NGF.
- M methionine
- ⁇ -NGF open reading frame of the NGF ⁇ -subunit gene
- the numbering of the amino acid residues of the ⁇ -subunit of the NGF protein used herein is defined by reference to the ⁇ -subunit of the human NGF protein.
- the first sequence and the second sequence consist of at least 9, 10, 11, 12 contiguous amino acids respectively chosen from one of the sequences extending from amino acids 122 to 136 or 148 to 158 of the ⁇ subunit of the NGF protein, or consist respectively of at least the sequence extending from amino acids 122 to 136 or 148 to 158 of the ⁇ subunit of the NGF protein.
- the first sequence and the second sequence according to the invention consist respectively of at most 29, 28, 27, 26, 25, 24, 23, 22, 21, 20 contiguous amino acids chosen from within the complete sequence of the ⁇ subunit of the NGF protein, or consist respectively of at most sequences 122 to 136 and 148 to 158, respectively, of the ⁇ subunit of the NGF protein.
- the first and second sequences according to the invention are respectively composed of (i) SEQ ID NO: 1, 22, 24, 26, 28 or 29, in particular SEQ ID NO: 1 or 28, and (ii) SEQ ID NO: 2, 23, 25 or 27, in particular SEQ ID NO: 2 or 27.
- SEQ ID NO: 1 and 2 respectively represent portions 122 to 136 and 148 to 158 of the ⁇ subunit of the human NGF protein, in particular represented by SEQ ID NO: 3.
- SEQ ID NO: 22 represents portion 122 to 136 of the subunit ⁇ of mouse or rat NGF protein, in particular represented by SEQ ID NO: 4, 5 or 18.
- SEQ ID NO: 23 represents the portion 148 to 158 of the ⁇ subunit of the mouse or rat NGF protein, in particular represented by SEQ ID NO: 4, 5 or 18.
- SEQ ID NO: 24 and 25 respectively represent the portions 122 to 136 and 148 to 158 of the ⁇ subunit of the rabbit NGF protein, in particular represented by SEQ ID NO: 6.
- SEQ ID NO: 26 represents the portion 122 to 136 of the ⁇ subunit of the monkey (chimpanzee) NGF protein, in particular represented by SEQ ID NO: 7 or 19.
- SEQ ID NO: 27 represents the portion 148 to 158 of the ⁇ subunit of the monkey (chimpanzee), dog, cat, horse, pig or sheep NGF protein, in particular represented by SEQ ID NO: 7 or 19, 8, 9, 10, 11, or 12 or 20, or portion 149 to 159 or of the ⁇ subunit of the dromedary NGF protein, in particular represented by SEQ ID NO: 13.
- SEQ ID NO: 28 represents portion 122 to 136 of the ⁇ subunit of the dog, cat, horse, pig or sheep NGF protein, in particular represented by SEQ ID NO: 8, 9, 10, 11, or 12 or 20.
- SEQ ID NO: 29 represents portion 122 to 137 of the ⁇ subunit of the dromedary NGF protein, in particular represented by SEQ ID NO: 13.
- Variant sequences A variant sequence according to the invention, which has at least 75% identity with the first or second sequence presented above, preferably has at least 80%, 85%, 90%, 95% or 98% identity with the first or second sequence above.
- the percentage identity between two peptide sequences can be determined by performing an optimal alignment over the entire length of the sequences, determining the number of aligned positions for which the amino acids are identical in each sequence and dividing this number by the total number of amino acids in the longer of the two sequences.
- the optimal alignment is the one that gives the highest percentage identity between the two sequences.
- a variant sequence according to the invention has at least 75%, 80%, 85%, 90%, 95% or 98% identity with SEQ ID NO: 1, 22, 24, 26, 28 or 29 or SEQ ID NO: 2, 23, 25 or 27.
- the variant sequence according to the invention is such that a polypeptide consisting of the variant sequence must make it possible to elicit an immune response directed against the NGF protein; that is to say that the administration of such a peptide, optionally cyclized by formation of at least one inter-cysteine disulfide bridge, if necessary after addition of one or two cysteines within the peptide, and/or at its N-terminal end and/or at its C-terminal end, the peptide being optionally linked to a carrier molecule, in particular a carrier protein, such as KLH (Keyhole Limpet Hemocyanin), to an animal, such as a mouse, a rat or a rabbit, causes the production of antibodies directed against an NGF, in particular an NGF of the same species as that to which the sequence with which the variant sequence has the highest percentage of identity belongs.
- a carrier molecule in particular a carrier protein, such as KLH (Keyhole Limpet Hemocyanin)
- the antibodies elicited by administration of the conjugated peptide are blocking or neutralizing, that is to say they prevent the NGF protein from exerting all or part, in particular at least 10%, 25%, 50%, 75%, of its activity, for example measured in vitro.
- Length of the polypeptide The polypeptide according to the invention preferably comprises at most 200, 150, 100, 90, 80, 70, 60, 50, 40 or 30 amino acid residues. It is different from the ⁇ subunit of the NGF protein and does not consist of a portion of more than 30 contiguous amino acid residues of the ⁇ subunit of the NGF protein.
- the polypeptide according to the invention may comprise several repetitions, for example 2, 3, 4, 5, 10 or 20 repetitions, respectively of the first and second sequences and of the variant sequence according to the invention.
- polypeptide according to the invention may also comprise sequences not originating from the ⁇ subunit of the NGF protein, and in particular sequences comprising epitopes belonging to other proteins, which makes it possible to elicit or generate an immune response directed against these other proteins.
- polypeptide according to the invention may comprise sequences of exogenous T epitope(s), preferably universal, which makes it possible to reinforce the immunogenicity of the polypeptide according to the invention.
- the polypeptide according to the invention may also comprise at least one sequence of a carrier protein, for example a virus-like particle (VLP), as is described in particular in international application WO 05/117983 for TNF.
- VLP virus-like particle
- the polypeptide according to the invention may be cyclized or non-cyclized.
- the polypeptide according to the invention is preferably cyclized.
- This cyclization may be of any type known to the person skilled in the art.
- the choice of the cyclization strategy according to the invention may in particular take into account the best antigenic presentation of the epitopes contained in the polypeptide according to the invention.
- this cyclization can be carried out in several different ways, such as for example: from its C-terminal end to its N-terminal end, from its N-terminal end to a side chain, from a side chain to its C-terminal end or between two side chains.
- cysteines may already be present in the variant sequence according to the invention or in the first and second sequences according to the invention, or may be added within these sequences, as well as at their N-terminal and/or C-terminal ends.
- polypeptide according to the invention may comprise post-translational modifications, such as glycosylations, methylations, acylations, in particular by fatty acids, or phosphorylations.
- post-translational modifications such as glycosylations, methylations, acylations, in particular by fatty acids, or phosphorylations.
- the N-terminal end of the polypeptide according to the invention can be acetylated and the C-terminal end can be modified by amidation.
- the polypeptide according to the invention can also comprise one or more analogues or derivatives of amino acids, including non-natural or non-standard amino acids.
- Carrier molecule also preferably, the polypeptide according to the invention is fixed or linked, in particular by covalent bonding, to a carrier molecule, in particular a carrier protein.
- the carrier molecule can be the Keyhole Limpet Hemocyanin (KLH) protein, the hepatitis B surface antigen (HBsAg), bovine serum albumin (BSA), tetanus toxoid (TT) and diphtheria toxoid (DT).
- KLH Keyhole Limpet Hemocyanin
- HBsAg hepatitis B surface antigen
- BSA bovine serum albumin
- TT tetanus toxoid
- DT diphtheria toxoid
- the diphtheria toxoid (DT) is preferably selected from the group consisting of CRM 197, CRM 176, CRM 228, CRM 45, CRM 9, CRM 102, CRM 103, and CRM 107.
- the carrier molecule is CRM 197.
- the binding of the polypeptide according to the invention to a carrier molecule, in particular a carrier protein can be carried out using a heterobifunctional coupling agent, such as the ester of N- ⁇ -maleimidobutyryl-oxysuccinimide (GMBS) and the sulfo-GMBS derivative, the ester of m-maleimidobenzoyl-n-hydroxysuccinimide (MBS) and the sulfo-MBS derivative, succinimidyl 4-(N-maleimidomethyl)cyclohexane-1-carboxylate (SMCC), a carbodiimide, bisdiazonium-benzidine (BDB) or glutaraldehyde.
- GMBS N- ⁇ -maleimidobutyryl-oxysuccinimide
- MBS m-maleimidobenzoyl-n-hydroxysuccinimide
- SCC succinimidyl 4-(N-maleimidomethyl)cyclohexane-1-
- glutaraldehyde When glutaraldehyde is used, it is preferably attached to a lysine (K) which, if it is not present in a first or a second sequence, or a variant sequence according to the invention, can be added, in particular at its N-terminal or C-terminal end. Furthermore, when a lysine is present in a portion according to the invention at an undesired position, it is preferable to use another conjugation technique.
- BDB When BDB is used, it is preferably attached to a tyrosine (Y) which, if it is not present in a first or a second sequence, or a variant sequence according to the invention, can be added, in particular at its N-terminal end or C-terminal.
- a tyrosine is present in a portion according to the invention at an undesired position, it is possible to implement, instead, a variant sequence in which the tyrosine is substituted by another amino acid, such as a phenylalanine (F).
- F phenylalanine
- GMBS, MBS or SMCC they are preferably attached to a cysteine (C), which if it is not present in a first or a second sequence, or a variant sequence according to the invention, can be added, in particular at its N-terminal or C-terminal end.
- cysteine when present in a first or a second sequence, according to the invention at an undesired position, it is possible to implement, instead, a variant sequence in which the cysteine is substituted by another amino acid, such as a serine.
- the polypeptide according to the invention is attached to the CRM197 carrier protein according to a construction represented by a formula selected from the group consisting of the following formulas: Polypeptide SEQ ID NO: [ cycloS-S(Acetyl+CSSSHPIFHRGEFSVC)EGE–Ahx-C]n–CRM197 14 [ cycloS-S(CTATDIKGKEVMC)EGE–Ahx-C]n–CRM197 15 [cycloS-S(Acetyl+CSSSHPIFHRGEFSVCEGE–K)]n–KLH 16 [cycloS-S(CTATDIKGKEVMCEGE–Ahx-C)]n–CRM 197 17 [Acetyl-SSSHPIFHRGEFSVEGE-C]n– CRM197 21 [cycloS-S(CTATDIKGKEVMCEGE–Ahx-C)]n–CRM 197 30 [Acetyl-SSTHPVFHMGEFSVEGE-
- polypeptide according to the invention if necessary linked to a carrier molecule, is immunogenic, that is to say it can elicit, or provoke, an immune reaction, in particular of the humoral type, that is to say the production of antibodies, by an individual, in particular of the mammalian type, to which it is administered.
- the polypeptide according to the invention makes it possible to elicit an immune response directed against the NGF protein, in particular anti-NGF antibodies, preferably blocking or neutralizing anti-NGF antibodies, that is to say that they prevent the NGF protein from exerting all or part, in particular at least 5%, 10%, 25%, 50%, 75%, of its activity, for example measured in vitro.
- Nucleic acid The nucleic acid according to the invention is RNA or DNA, preferably DNA. It is preferred that the nucleic acid according to the invention is operatively linked to a prokaryotic and/or eukaryotic promoter sequence, in particular of a mammal or virus.
- the nucleic acid according to the invention may be included in a vector, such as a plasmid or a virus.
- a vector such as a plasmid or a virus.
- Antibodies, antibody fragments and aptamers The antibodies, antibody fragments, and aptamers according to the invention are said to be specifically directed against a polypeptide as defined above when they exhibit essentially no binding to another polypeptide, which does not comprise the polypeptide defined above, under conditions allowing the binding of the antibodies, antibody fragments, and aptamers according to the invention to the polypeptides against which they are specifically directed.
- the antibody according to the invention may be polyclonal or monoclonal, preferably monoclonal.
- the "antibody fragments” comprise at least one antigen-binding portion of the antibody from which they are derived, and are in particular of the Fab, Fab', F(ab')2, disulfide-stabilized Fv (dsFv), dimerized (diabody), trimerized, tetramerized or pentamerized region V, single-chain Fv (scFv), complementarity determining region (CDR) type.
- the antibodies may be of any species, in particular human, mouse, rat, rabbit or camelid. Furthermore, when they are not human, they may also be humanized, that is to say that the constant portions of these antibodies are partially or completely replaced by corresponding human constant portions.
- the antibodies according to the invention can be obtained by immunizing an animal using a polypeptide according to the invention according to techniques well known to those skilled in the art.
- aptamers are nucleic acids, in particular RNAs, capable of binding specifically to a molecular target, such as a protein.
- the aptamers can in particular be obtained by implementing the SELEX technique well known to those skilled in the art, from the polypeptides according to the invention.
- Therapeutic use Diseases Various diseases, human or veterinary, can be treated according to the invention, and in particular chronic pain. Other examples of conditions or disorders include asthma, psoriasis, osteoarthritis, and arthritis.
- the invention is useful for the treatment or prevention of chronic pain or general or localized recurrent pain, which are often linked to the activity of NGF.
- the invention can be used for prevention, symptomatic treatment, or even treatment of the disease itself.
- the invention can be used for the treatment of asthma and other disorders associated with airway hyperresponsiveness, typically characterized by episodes of coughing and/or breathing problems.
- the invention is also useful in the management of other inflammatory conditions, such as multiple sclerosis, colitis, chronic inflammatory bowel disease, including Crohn's disease or ulcerative colitis, bladder cystitis, eczema, contact dermatitis, arthritis, including chronic arthritis and rheumatoid arthritis, and psoriasis.
- the invention is also useful in the treatment of diseases that may be associated with increased levels of NGF, including, for example, osteoarthritis, lupus erythematosus, but also chronic obstructive pulmonary disease (COPD), lung cancer, hyperalgesia, chronic pain, and general or localized recurrent pain.
- diseases that may be associated with increased levels of NGF
- COPD chronic obstructive pulmonary disease
- Individual are animals, preferably mammals or marsupials, more preferably humans, horses, cattle, pigs, sheep, goats, dromedaries, dogs or cats, most preferably humans or dogs.
- the polypeptide, pharmaceutical composition, medicament or product according to the invention is administered in a form that can be administered orally, mucosally, in particular sublingually, parenterally, intraperitoneally, transcutaneously, intradermally, subcutaneously, intramuscularly, intravenously or intra-arterially.
- the polypeptide according to the invention can be administered at doses ranging for example from 1 ng to 1 g, preferably from 1 ⁇ g to 1 mg.
- Pharmaceutically acceptable vehicle As used herein, a “pharmaceutically acceptable vehicle” includes all compounds, including excipients, that can be administered to an individual in conjunction with an active pharmacological ingredient.
- the polypeptide according to the invention may be associated or combined with an adjuvant, or the pharmaceutical composition, the drug or the product according to the invention may comprise an adjuvant.
- the adjuvant may be of any type suitable for increasing the immune response of an individual, animal or human, to the administration of a polypeptide. It may thus be complete or incomplete Freund's adjuvant, Montanide ISA51 VG, alum or calcium phosphate for example, Montanide ISA51 VG and alum being preferred.
- the adjuvant may be associated with the polypeptide according to the invention by producing a 1/1 mixture by volume of an adjuvant solution and a solution comprising the polypeptide.
- the term "other therapy” refers to a pharmacological therapy with at least one other compound different from the polypeptide according to the invention or a non-pharmacological therapy such as, for example, in the case of the treatment of asthma, the use of anti-IgGE antibodies.
- Other compound Another compound, useful for eliciting an immune response directed against the NGF protein according to the invention may in particular be a polypeptide different from that of the invention and also derived from the NGF protein.
- the polypeptide according to the invention may be combined with other antigens intended to elicit an immune response against a target different from the NGF protein.
- the term "in combination” or “combination product” means that the polypeptide as defined above and the other compound as defined above may be combined within the same pharmaceutical composition or drug, and thus be administered together, or may be administered separately, i.e. by separate routes of administration and/or separate administration regimens, provided that when administered separately the periods of prophylactic activity or therapeutic activity of the polypeptide as defined above and the other compound as defined above overlap in whole or in part.
- the polypeptide as defined above when the polypeptide and the other compound are administered separately, the polypeptide as defined above will preferably be administered within 24 hours, more preferably within 2 hours, and even more preferably within 1 hour, following the administration of the other compound as defined above, and its administration will optionally be continued on the following days.
- the other compound as defined above will preferably be administered within 24 hours, more preferably within 2 hours, and even more preferably within 1 hour, following the administration of the polypeptide as defined above, and its administration will optionally be continued on the following days.
- when the polypeptide as defined above and the other compound as defined above when administered separately, they are administered essentially simultaneously.
- Table 1 SEQ ID NO: Name Sequences 1 PPV-11-13 SSSHPIFHRGEFSVC 2 PPV-11-18 TATDIKGKEVM 3 Beta-nerve >sp
- Figure 1 represents the anti-hNGF antibody titres50 (y-axis) measured from the sera of six SWISS mice immunized with the PPV-11-13 peptide (derived from SEQ ID NO: 1 of example 1) conjugated. The x-axis corresponds to the time of collection of the sera in days before or after the first immunization (D0).
- Figure 2 represents the anti-hNGF antibody titres50 (y-axis) measured from the sera of six SWISS mice immunized with the PPV-11-18 peptide (derived from SEQ ID NO: 2 of example 2) conjugated. The x-axis corresponds to the time of collection of the sera in days before or after the first immunization (D0).
- Figure 3 shows the anti-hNGF antibody titres50 (y-axis) measured from the sera of five rabbits immunized against the conjugated peptide derived from SEQ ID NO: 1 of Example 3, as a function of the time of serum collection in days (x-axis). The red arrows represent the days of immunization (D0, D28 and D119).
- Figure 4 Figure 4 represents the percentages of inhibition of 8 ng/mL of hNGF at its receptor hTrkA, by the purified antibodies diluted 1/2, at D45, D80, D110, D136, D180 and D209, of five rabbits immunized against the conjugated peptide derived from SEQ ID NO 1 of Example 3.
- Figure 5 represents the titres50 of anti-hNGF antibodies (y-axis) measured from the sera of five rabbits immunized with the conjugated peptide derived from Seq ID NO 2 of Example 4, as a function of the time of collection of the sera in days (axis abscissa). The red arrows represent the days of immunization (D0, D28 and D119).
- Figure 6 represents the percentages of inhibition of 8 ng/mL of hNGF at its receptor hTrkA, by purified antibodies diluted 1/2, at D45, D80, D110, D136, D180 and D209, of five rabbits immunized with the conjugated peptide derived from SEQ ID NO: 2 of Example 4.
- Figure 7 Evaluation of the analgesic activity of peptides derived from ⁇ -hNGF in a model of osteoarthritis induced by monosodium iodoacetate, in rats.
- Figure 7 shows the weight balance between ipsilateral (MIA) and contralateral paws in percentage (y-axis), calculated as [(weight supported by the ipsilateral paw / sum of weight supported by the ipsilateral and contralateral paws) * 100], measured in rats at different times in day (x-axis), after intra-articular injection of MIA (1 mg/rat).
- Example 1 Recognition of the ⁇ subunit of the human NGF protein ( ⁇ -hNGF) by sera from mice immunized with a peptide derived from ⁇ -hNGF A peptide comprising the sequence 122-136 of the ⁇ subunit of the human NGF protein (PPV-11-13, see Table 2) was synthesized by solid phase chemical synthesis according to standard methods well known to the person skilled in the art, then cyclized by formation of a disulfide bridge between two cysteines of the peptide.
- mice produced antibodies recognizing the ⁇ -hNGF protein ( Figure 1).
- the conjugated PPV-11-13 peptide allows to induce an immune response against the ⁇ subunit of the human NGF protein, in mice.
- Example 2 Recognition of the ⁇ subunit of the human NGF protein ( ⁇ -hNGF) by sera from mice immunized with a peptide derived from ⁇ -hNGF A peptide comprising the sequence 148-158 of the ⁇ subunit of the human NGF protein (PPV-11-18, see Table 3) was synthesized by solid phase chemical synthesis according to standard methods well known to the person skilled in the art, then cyclized by formation of a disulfide bridge between two cysteines of the peptide.
- Peptide derived SEQ ID NO: 1 from the human NGF protein ⁇ -subunit used for immunization The relative amount of anti- ⁇ -hNGF antibodies is evaluated in rabbit sera at D-10 (pre-immune), D45, D80, D110, D136, D180 and D209 by ELISA. It is observed that all immunized rabbits produced antibodies recognizing the ⁇ -hNGF protein, from D45 ( Figure 3). Antibodies recognizing the ⁇ -hNGF protein are present at all sampling times in the sera of the five immunized rabbits. The peak in the level of antibodies recognizing the ⁇ -hNGF protein is observed at D180, after the 2nd booster (D119).
- the neutralizing capacity of the antibodies purified from the sera of each rabbit was evaluated in an ELISA-type test for inhibition of the binding of the ⁇ -hNGF protein to its receptor hTrkA. It is observed that the antibodies produced neutralize 80% or more of 8 ng/mL of the ⁇ -hNGF protein, from D45, in the five immunized rabbits ( Figure 4). At D209, the antibodies produced neutralize 100% of 8 ng/mL of the ⁇ -hNGF protein, in the five immunized rabbits ( Figure 4).
- the conjugated peptide allows to induce neutralizing antibodies against the ⁇ subunit of human NGF protein in rabbits
- Example 4 Production of antibodies neutralizing the ⁇ subunit of human NGF protein ( ⁇ -hNGF) in rabbits immunized with a peptide derived from ⁇ -hNGF.
- a peptide comprising the sequence 148-158 of the ⁇ subunit of human NGF protein (derived from SEQ ID NO: 2, see Table 3) was synthesized by solid phase chemical synthesis according to standard methods well known to the person skilled in the art, then cyclized by formation of a disulfide bridge between two cysteines of the peptide. It was then coupled to a carrier protein, CRM 197, using the coupling agent maleimide.
- Antibodies recognizing the ⁇ -hNGF protein were present at all sampling times in the sera of the five immunized rabbits. The peak of the antibody level recognizing the ⁇ -hNGF protein is observed at D180, after the 2nd booster (D119).
- the neutralizing capacity of the purified antibodies, from the sera of each rabbit, was evaluated in an ELISA-type test for inhibition of the binding of the ⁇ -hNGF protein to its hTrkA receptor. It is observed that the antibodies produced have a neutralizing capacity for the binding of the ⁇ -hNGF protein to its hTrkA receptor, for four of the 5 immunized rabbits (Figure 6).
- Example 5 Evaluation of the analgesic activity of ⁇ -hNGF-derived peptides in a monosodium iodoacetate-induced rat osteoarthritis model.
- a monosodium iodoacetate-induced rat osteoarthritis model Several experimental animal models of various species have been developed for human osteoarthritis and used to study the preclinical efficacy of disease-modifying drug candidates and osteoarthritis symptoms.
- One such model is chemically induced by intra-articular injection of monosodium iodoacetate (MIA) into the rat knee.
- MIA monosodium iodoacetate
- Intra-articular MIA disrupts chondrocyte glycolysis through inhibition of glyceraldehyde-3-phosphate dehydrogenase. This leads to chondrocyte death and damage throughout the joint space, and causes osteoarthritis symptoms, including joint pain similar to those observed in human patients.
- Eight- to ten-week-old Sprague Dawley rats (Cellvax, Institut Gustave Roussy, Paul Brousse Hospital, Villejuif, France) were randomly divided into three groups of 12 rats (6 females and 6 males per group), designated G1, G2, and G3.
- Rats received three subcutaneous injections (D0, D28 and D126). The injection of 1 mg of MIA was performed in the right knee 13 days after the third injection (D139).
- a peptide comprising the sequence 122-135 of the ⁇ subunit of the canine NGF protein (SEQ ID NO: 28, see Table 6) was synthesized by solid phase chemical synthesis according to standard methods well known to the person skilled in the art. It was then coupled to a carrier protein, CRM 197, using the maleimide coupling agent. Two dogs were immunized subcutaneously with 25 ⁇ g of peptide equivalent emulsified in Montanide ⁇ ISA 51 adjuvant. The dogs received two subcutaneous injections on D0 and D28.
- the neutralizing capacity of the antibodies was measured from the dogs' sera. This evaluation was carried out in an ELISA type test, of inhibition of the fixation of the human ⁇ -hNGF protein (added at 8 ng/mL) to its hTrkA receptor fixed at the bottom of the well. It is possible to use the human NGF protein in this inhibition test because the sequence of the targeted peptide (SEQ ID NO: 28) has a single amino acid difference between human NGF and dog NGF. The inhibition percentages were calculated by taking as a reference of 100% neutralization an antibody serving as a positive control, known for its neutralizing effect. It is observed in the experiment that the sera of the immunized dogs (taken at D42) neutralize at approximately 50%.
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| FR2304118A FR3148027A1 (fr) | 2023-04-24 | 2023-04-24 | Composition vaccinale anti-ngf |
| PCT/EP2024/061328 WO2024223713A1 (fr) | 2023-04-24 | 2024-04-24 | Composition vaccinale anti-ngf |
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| WO2001052843A1 (fr) * | 2000-01-18 | 2001-07-26 | Mcgill University | Composes cycliques peptidomimetiques a coude beta |
| UA97086C2 (uk) * | 2003-07-15 | 2012-01-10 | Емджен, Інк. | Виділене людське антитіло, яке специфічно зв'язується з фактором росту нервової тканини (ngf) |
| KR100894191B1 (ko) * | 2003-07-15 | 2009-04-22 | 암젠 인코포레이티드 | 선택적인 ngf 경로 저해제로서의 인체 항-ngf 중화 항체 및 이 항체를 포함하는 약학적 조성물 |
| AU2016247195A1 (en) * | 2003-07-15 | 2016-11-10 | Amgen Inc. | Human Anti-NGF Neutralizing Antibodies as Selective NGF Pathway Inhibitors |
| WO2005117983A2 (fr) | 2004-06-02 | 2005-12-15 | Cytos Biotechnology Ag | Conjugues entraineurs des peptides du tnf |
| ME00226B (me) * | 2004-07-15 | 2011-02-10 | Medarex Llc | Humana anti-ngf neutrališuća antitijela kao selektivni inhibitori ngf signalne kaskade |
| GB201114858D0 (en) * | 2011-08-29 | 2011-10-12 | Nvip Pty Ltd | Anti-nerve growth factor antibodies and methods of using the same |
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