BioSight Ltd.

Israel

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IPC Class
A61K 31/7068 - Compounds having saccharide radicals and heterocyclic rings having nitrogen as a ring hetero atom, e.g. nucleosides, nucleotides containing six-membered rings with nitrogen as a ring hetero atom containing condensed or non-condensed pyrimidines having oxo groups directly attached to the pyrimidine ring, e.g. cytidine, cytidylic acid 18
A61P 35/00 - Antineoplastic agents 14
A61P 35/02 - Antineoplastic agents specific for leukemia 12
C07H 19/09 - Pyrimidine radicals with arabinosyl as the saccharide radical 7
A61K 47/54 - Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additivesTargeting or modifying agents chemically bound to the active ingredient the non-active ingredient being chemically bound to the active ingredient, e.g. polymer-drug conjugates the non-active ingredient being a modifying agent the modifying agent being an organic compound 5
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Status
Pending 7
Registered / In Force 16
Found results for  patents

1.

CRYSTALLINE FORM OF ASPACYTARABINE INTERMEDIATE

      
Application Number IL2023050568
Publication Number 2023/233410
Status In Force
Filing Date 2023-06-01
Publication Date 2023-12-07
Owner BIOSIGHT LTD. (Israel)
Inventor
  • Lidor-Hadas, Ramy
  • Shumilov, Margarita
  • Tessler, Shoshanna

Abstract

The present invention relates to crystalline polymorph Form I of benzyl N2- ((benzyloxy)carbonyl)-N4-(l-((2R,3S,4S,5R)-3,4-dihydroxy-5-(hydroxymethyl)tetrahydrofuran- 2-yl)-2-oxo-l,2-dihydropyrimidin-4-yl)-L-asparaginate (Compound 1), process of preparation thereof, and uses thereof for the preparation of aspacytarabine.

IPC Classes  ?

  • A61K 31/7068 - Compounds having saccharide radicals and heterocyclic rings having nitrogen as a ring hetero atom, e.g. nucleosides, nucleotides containing six-membered rings with nitrogen as a ring hetero atom containing condensed or non-condensed pyrimidines having oxo groups directly attached to the pyrimidine ring, e.g. cytidine, cytidylic acid
  • C07B 31/00 - Reduction in general
  • C07H 1/00 - Processes for the preparation of sugar derivatives
  • C07H 19/09 - Pyrimidine radicals with arabinosyl as the saccharide radical

2.

COMPOSITIONS COMPRISING ASPACYTARABINE AND ADDITIONAL COMPOUNDS, AND USE THEREOF

      
Application Number IL2023050522
Publication Number 2023/228177
Status In Force
Filing Date 2023-05-22
Publication Date 2023-11-30
Owner BIOSIGHT LTD. (Israel)
Inventor
  • Lidor-Hadas, Ramy
  • Shumilov, Margarita
  • Tessler, Shoshanna

Abstract

The present invention relates to novel compositions comprising (l-((2R,3S,4S,5R)-3,4- dihydroxy-5-(hydroxymethyl)tetrahydrofuran-2-yl)-2-oxo-l,2-dihydropyrimidin-4-yl)-L-asparagine (also known as BST-236, Astarabine® or Aspacytarabine) or pharmaceutically acceptable salt thereof and additional compounds, and uses thereof for the treatment of neoplastic diseases.

IPC Classes  ?

  • A61K 31/7068 - Compounds having saccharide radicals and heterocyclic rings having nitrogen as a ring hetero atom, e.g. nucleosides, nucleotides containing six-membered rings with nitrogen as a ring hetero atom containing condensed or non-condensed pyrimidines having oxo groups directly attached to the pyrimidine ring, e.g. cytidine, cytidylic acid
  • C07H 19/09 - Pyrimidine radicals with arabinosyl as the saccharide radical
  • A61P 35/00 - Antineoplastic agents

3.

CRYSTALLINE FORM OF ASPACYTARABINE

      
Application Number 18027396
Status Pending
Filing Date 2021-09-20
First Publication Date 2023-10-19
Owner Biosight Ltd. (Israel)
Inventor
  • Lidor-Hadas, Ramy
  • Shumilov, Margarita
  • Tessler, Shoshanna

Abstract

The present invention relates to a novel crystalline polymorph of (¾)-2-amino-4-(0-42R,3S,4S,5R)-3,4-dihydroxy-5-(hydroxymethyptetrahydrofuran-2-yl)-2-oxo-1,2- dihydropyrimidin-4-yl)amino)-4-oxobutanoic acid (also known as BST-236, Astarabine® or aspacytarabine), processes of preparation thereof, and uses thereof for the treatment of neoplastic diseases.

IPC Classes  ?

  • C07H 19/09 - Pyrimidine radicals with arabinosyl as the saccharide radical

4.

CRYSTALLINE FORMS OF ASPACYTARABINE

      
Application Number IL2023050280
Publication Number 2023/175622
Status In Force
Filing Date 2023-03-16
Publication Date 2023-09-21
Owner BIOSIGHT LTD. (Israel)
Inventor
  • Lidor-Hadas, Ramy
  • Shumilov, Margarita
  • Tessler, Shoshi

Abstract

SS)-2-amino-4-((1-((2R,3S,4S,5R)-3,4-dihydroxy-5-(hydroxymethyl)tetrahydrofuran-2-yl)-2-oxo-1,2-dihydropyrimidin-4-yl)amino)-4-oxobutanoic acid (also known as BST-236, Astarabine® or Aspacytarabine), processes of preparation thereof, and uses thereof for the treatment of neoplastic diseases.

IPC Classes  ?

  • A61K 31/7068 - Compounds having saccharide radicals and heterocyclic rings having nitrogen as a ring hetero atom, e.g. nucleosides, nucleotides containing six-membered rings with nitrogen as a ring hetero atom containing condensed or non-condensed pyrimidines having oxo groups directly attached to the pyrimidine ring, e.g. cytidine, cytidylic acid
  • A61P 35/00 - Antineoplastic agents
  • A61P 35/02 - Antineoplastic agents specific for leukemia

5.

METHODS AND REGIMENS FOR THE TREATMENT OF HEMATOLOGICAL CANCER

      
Application Number 17920183
Status Pending
Filing Date 2021-04-22
First Publication Date 2023-05-25
Owner Biosight Ltd. (Israel)
Inventor
  • Flaishon, Liat
  • Ben Yakar, Ruth

Abstract

The invention provides methods and uses for the treatment of hematological cancer in a subject in need thereof.

IPC Classes  ?

  • A61K 31/7068 - Compounds having saccharide radicals and heterocyclic rings having nitrogen as a ring hetero atom, e.g. nucleosides, nucleotides containing six-membered rings with nitrogen as a ring hetero atom containing condensed or non-condensed pyrimidines having oxo groups directly attached to the pyrimidine ring, e.g. cytidine, cytidylic acid
  • A61K 31/635 - Compounds containing para-N-benzene- sulfonyl-N-groups, e.g. sulfanilamide, p-nitrobenzenesulfonohydrazide having a heterocyclic ring, e.g. sulfadiazine
  • A61P 35/02 - Antineoplastic agents specific for leukemia
  • A61K 45/06 - Mixtures of active ingredients without chemical characterisation, e.g. antiphlogistics and cardiaca

6.

CYTARABINE-AMINO ACID BASED PRODRUG FOR THE TREATMENT OF CANCER

      
Application Number IL2022051234
Publication Number 2023/089617
Status In Force
Filing Date 2022-11-20
Publication Date 2023-05-25
Owner BIOSIGHT LTD. (Israel)
Inventor
  • Gengrinovitch, Stela
  • Lidor-Hadas, Ramy
  • Shumilov, Margarita

Abstract

The present invention relates to conjugates comprising amino-acid-cytarabine, in particular, conjugates of cytarabine and two or more amino acids selected from alanine, aspartic acid, glutamic acid, asparagine, or glutamine for use in the treatment of cancer.

IPC Classes  ?

  • C07H 19/09 - Pyrimidine radicals with arabinosyl as the saccharide radical
  • A61K 31/7068 - Compounds having saccharide radicals and heterocyclic rings having nitrogen as a ring hetero atom, e.g. nucleosides, nucleotides containing six-membered rings with nitrogen as a ring hetero atom containing condensed or non-condensed pyrimidines having oxo groups directly attached to the pyrimidine ring, e.g. cytidine, cytidylic acid
  • A61K 47/54 - Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additivesTargeting or modifying agents chemically bound to the active ingredient the non-active ingredient being chemically bound to the active ingredient, e.g. polymer-drug conjugates the non-active ingredient being a modifying agent the modifying agent being an organic compound
  • A61P 35/00 - Antineoplastic agents

7.

CYTARABINE-AMINO ACID BASED PRODRUG FOR THE TREATMENT OF CANCER

      
Document Number 03239219
Status Pending
Filing Date 2022-11-20
Open to Public Date 2023-05-25
Owner BIOSIGHT LTD. (Israel)
Inventor
  • Gengrinovitch, Stela
  • Lidor-Hadas, Ramy
  • Shumilov, Margarita

Abstract

The present invention relates to conjugates comprising amino-acid-cytarabine, in particular, conjugates of cytarabine and two or more amino acids selected from alanine, aspartic acid, glutamic acid, asparagine, or glutamine for use in the treatment of cancer.

IPC Classes  ?

  • A61K 31/7068 - Compounds having saccharide radicals and heterocyclic rings having nitrogen as a ring hetero atom, e.g. nucleosides, nucleotides containing six-membered rings with nitrogen as a ring hetero atom containing condensed or non-condensed pyrimidines having oxo groups directly attached to the pyrimidine ring, e.g. cytidine, cytidylic acid
  • A61P 35/00 - Antineoplastic agents
  • C07H 19/09 - Pyrimidine radicals with arabinosyl as the saccharide radical
  • C07K 5/06 - Dipeptides
  • C07K 9/00 - Peptides having up to 20 amino acids, containing saccharide radicals and having a fully defined sequenceDerivatives thereof

8.

ASPACYTARABINE PHARMACEUTICAL COMPOSITIONS AND USES THEREOF

      
Application Number 17797443
Status Pending
Filing Date 2021-02-04
First Publication Date 2023-03-23
Owner Biosight Ltd. (Israel)
Inventor
  • Shumilov, Margarita
  • Tessler, Shoshanna

Abstract

The present invention relates to a composition comprising aspacytarabine (also known as BST-236 and Astarabine®) or a pharmaceutically acceptable salt thereof and an stabilizer and/or solubilizer, wherein the stabilizer and/or solubilizer is selected from at least one water soluble stabilizer and/or solubilizer such as a linear polymer or derivative thereof, an inclusion compound (i.e. cyclodextrin) and combination thereof. The present invention further relates to uses of the composition, particularly for use in the treatment of neoplastic disease.

IPC Classes  ?

  • A61K 31/7068 - Compounds having saccharide radicals and heterocyclic rings having nitrogen as a ring hetero atom, e.g. nucleosides, nucleotides containing six-membered rings with nitrogen as a ring hetero atom containing condensed or non-condensed pyrimidines having oxo groups directly attached to the pyrimidine ring, e.g. cytidine, cytidylic acid
  • A61K 47/10 - AlcoholsPhenolsSalts thereof, e.g. glycerolPolyethylene glycols [PEG]PoloxamersPEG/POE alkyl ethers
  • A61K 47/32 - Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds, e.g. carbomers
  • A61K 47/34 - Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. polyesters, polyamino acids, polysiloxanes, polyphosphazines, copolymers of polyalkylene glycol or poloxamers
  • A61K 47/40 - CyclodextrinsDerivatives thereof

9.

CRYSTALLINE FORM OF ASPACYTARABINE

      
Application Number IL2021051144
Publication Number 2022/059013
Status In Force
Filing Date 2021-09-20
Publication Date 2022-03-24
Owner BIOSIGHT LTD. (Israel)
Inventor
  • Lidor-Hadas, Ramy
  • Shumilov, Margarita
  • Tessler, Shoshi

Abstract

The present invention relates to a novel crystalline polymorph of (¾)-2-amino-4-((l-((2R,3S,4S,5R)-3,4-dihydroxy-5-(hydroxymethyl)tetrahydrofuran-2-yl)-2-oxo-l,2- dihydropyrimidin-4-yl)amino)-4-oxobutanoic acid (also known as BST-236, Astarabine® or aspacytarabine), processes of preparation thereof, and uses thereof for the treatment of neoplastic diseases.

IPC Classes  ?

  • A61K 31/7068 - Compounds having saccharide radicals and heterocyclic rings having nitrogen as a ring hetero atom, e.g. nucleosides, nucleotides containing six-membered rings with nitrogen as a ring hetero atom containing condensed or non-condensed pyrimidines having oxo groups directly attached to the pyrimidine ring, e.g. cytidine, cytidylic acid
  • A61K 47/54 - Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additivesTargeting or modifying agents chemically bound to the active ingredient the non-active ingredient being chemically bound to the active ingredient, e.g. polymer-drug conjugates the non-active ingredient being a modifying agent the modifying agent being an organic compound
  • A61P 35/00 - Antineoplastic agents
  • A61P 35/02 - Antineoplastic agents specific for leukemia

10.

Salts of conjugates for cancer therapy

      
Application Number 17460335
Grant Number 12071450
Status In Force
Filing Date 2021-08-30
First Publication Date 2021-12-23
Grant Date 2024-08-27
Owner Biosight Ltd. (Israel)
Inventor Gengrinovitch, Stela

Abstract

The present invention relates to pharmaceutically acceptable salts of conjugates comprising a chemotherapeutic drug and an amino acid or a derivative thereof, which are readily taken up by a target cell and reduce side effects induced by the chemotherapeutic drug. In particular, the present invention relates to pharmaceutically acceptable salts of conjugates comprising cytidine analog drugs and aspartic or glutamic acid and analogs thereof, pharmaceutical compositions comprising these conjugates and use thereof for the treatment of cancer or a pre-cancer condition or disorder.

IPC Classes  ?

  • C07H 1/00 - Processes for the preparation of sugar derivatives
  • C07H 19/09 - Pyrimidine radicals with arabinosyl as the saccharide radical

11.

Cytarabine conjugates for cancer therapy

      
Application Number 17372740
Grant Number 12064445
Status In Force
Filing Date 2021-07-12
First Publication Date 2021-11-04
Grant Date 2024-08-20
Owner Biosight Ltd. (Israel)
Inventor
  • Gengrinovitch, Stela
  • Ben Yakar, Ruth

Abstract

The present invention relates to conjugates comprising cytarabine and an amino acid for use in the treatment of cancer. In particular, the present invention relates to conjugates of cytarabine and aspartic acid for use in the treatment of hematological cancers.

IPC Classes  ?

  • A61K 31/7068 - Compounds having saccharide radicals and heterocyclic rings having nitrogen as a ring hetero atom, e.g. nucleosides, nucleotides containing six-membered rings with nitrogen as a ring hetero atom containing condensed or non-condensed pyrimidines having oxo groups directly attached to the pyrimidine ring, e.g. cytidine, cytidylic acid
  • A61K 9/00 - Medicinal preparations characterised by special physical form
  • A61K 47/54 - Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additivesTargeting or modifying agents chemically bound to the active ingredient the non-active ingredient being chemically bound to the active ingredient, e.g. polymer-drug conjugates the non-active ingredient being a modifying agent the modifying agent being an organic compound
  • A61P 35/02 - Antineoplastic agents specific for leukemia

12.

METHODS AND REGIMENS FOR THE TREATMENT OF HEMATOLOGICAL CANCER

      
Application Number IL2021050460
Publication Number 2021/214772
Status In Force
Filing Date 2021-04-22
Publication Date 2021-10-28
Owner BIOSIGHT LTD. (Israel)
Inventor
  • Flaishon, Liat
  • Ben Yakar, Ruth

Abstract

The invention provides methods and uses for the treatment of hematological cancer in a subject in need thereof.

IPC Classes  ?

  • A61K 31/7068 - Compounds having saccharide radicals and heterocyclic rings having nitrogen as a ring hetero atom, e.g. nucleosides, nucleotides containing six-membered rings with nitrogen as a ring hetero atom containing condensed or non-condensed pyrimidines having oxo groups directly attached to the pyrimidine ring, e.g. cytidine, cytidylic acid
  • A61K 31/706 - Compounds having saccharide radicals and heterocyclic rings having nitrogen as a ring hetero atom, e.g. nucleosides, nucleotides containing six-membered rings with nitrogen as a ring hetero atom
  • A61K 31/704 - Compounds having saccharide radicals attached to non-saccharide compounds by glycosidic linkages attached to a carbocyclic compound, e.g. phloridzin attached to a condensed carbocyclic ring system, e.g. sennosides, thiocolchicosides, escin, daunorubicin, digitoxin
  • A61K 31/573 - Compounds containing cyclopenta[a]hydrophenanthrene ring systemsDerivatives thereof, e.g. steroids substituted in position 17 beta by a chain of two carbon atoms, e.g. pregnane or progesterone substituted in position 21, e.g. cortisone, dexamethasone, prednisone or aldosterone
  • A61K 31/635 - Compounds containing para-N-benzene- sulfonyl-N-groups, e.g. sulfanilamide, p-nitrobenzenesulfonohydrazide having a heterocyclic ring, e.g. sulfadiazine
  • A61P 35/00 - Antineoplastic agents

13.

ASPACYTARABINE PHARMACEUTICAL COMPOSITIONS AND USES THEREOF

      
Document Number 03170114
Status Pending
Filing Date 2021-02-04
Open to Public Date 2021-08-12
Owner BIOSIGHT LTD. (Israel)
Inventor
  • Shumilov, Margarita
  • Tessler, Shoshi

Abstract

The present invention relates to a composition comprising aspacytarabine (also known as BST-236 and Astarabine®) or a pharmaceutically acceptable salt thereof and an stabilizer and/or solubilizer, wherein the stabilizer and/or solubilizer is selected from at least one water soluble stabilizer and/or solubilizer such as a linear polymer or derivative thereof, an inclusion compound (i.e. cyclodextrin) and combination thereof. The present invention further relates to uses of the composition, particularly for use in the treatment of neoplastic disease.

IPC Classes  ?

  • A61K 9/16 - AgglomeratesGranulatesMicrobeadlets
  • A61K 31/7068 - Compounds having saccharide radicals and heterocyclic rings having nitrogen as a ring hetero atom, e.g. nucleosides, nucleotides containing six-membered rings with nitrogen as a ring hetero atom containing condensed or non-condensed pyrimidines having oxo groups directly attached to the pyrimidine ring, e.g. cytidine, cytidylic acid
  • A61K 47/10 - AlcoholsPhenolsSalts thereof, e.g. glycerolPolyethylene glycols [PEG]PoloxamersPEG/POE alkyl ethers
  • A61P 35/00 - Antineoplastic agents
  • A61P 35/02 - Antineoplastic agents specific for leukemia

14.

ASPACYTARABINE PHARMACEUTICAL COMPOSITIONS AND USES THEREOF

      
Application Number IL2021050137
Publication Number 2021/156869
Status In Force
Filing Date 2021-02-04
Publication Date 2021-08-12
Owner BIOSIGHT LTD. (Israel)
Inventor
  • Shumilov, Margarita
  • Tessler, Shoshi

Abstract

The present invention relates to a composition comprising aspacytarabine (also known as BST-236 and Astarabine®) or a pharmaceutically acceptable salt thereof and an stabilizer and/or solubilizer, wherein the stabilizer and/or solubilizer is selected from at least one water soluble stabilizer and/or solubilizer such as a linear polymer or derivative thereof, an inclusion compound (i.e. cyclodextrin) and combination thereof. The present invention further relates to uses of the composition, particularly for use in the treatment of neoplastic disease.

IPC Classes  ?

  • A61K 31/7068 - Compounds having saccharide radicals and heterocyclic rings having nitrogen as a ring hetero atom, e.g. nucleosides, nucleotides containing six-membered rings with nitrogen as a ring hetero atom containing condensed or non-condensed pyrimidines having oxo groups directly attached to the pyrimidine ring, e.g. cytidine, cytidylic acid
  • A61P 35/00 - Antineoplastic agents
  • A61P 35/02 - Antineoplastic agents specific for leukemia
  • A61K 47/10 - AlcoholsPhenolsSalts thereof, e.g. glycerolPolyethylene glycols [PEG]PoloxamersPEG/POE alkyl ethers
  • A61K 9/16 - AgglomeratesGranulatesMicrobeadlets

15.

COMBINATION CANCER THERAPY

      
Application Number 16738115
Status Pending
Filing Date 2020-01-09
First Publication Date 2020-05-14
Owner BIOSIGHT LTD. (Israel)
Inventor
  • Ben Yakar, Ruth
  • Gengrinovitch, Stela
  • Tessler, Shoshi
  • Flaishon, Liat

Abstract

The present invention relates to combination therapies of a cytarabine conjugate and one or more anti-neoplastic agents for inhibiting cancer cell growth. In particular, the present invention relates to a conjugate of cytarabine and aspartic acid (BST-236) in combination with one or more additional anti-neoplastic agents for use in the treatment of hematological cancers.

IPC Classes  ?

  • A61K 31/7068 - Compounds having saccharide radicals and heterocyclic rings having nitrogen as a ring hetero atom, e.g. nucleosides, nucleotides containing six-membered rings with nitrogen as a ring hetero atom containing condensed or non-condensed pyrimidines having oxo groups directly attached to the pyrimidine ring, e.g. cytidine, cytidylic acid
  • A61K 39/395 - AntibodiesImmunoglobulinsImmune serum, e.g. antilymphocytic serum
  • A61K 31/706 - Compounds having saccharide radicals and heterocyclic rings having nitrogen as a ring hetero atom, e.g. nucleosides, nucleotides containing six-membered rings with nitrogen as a ring hetero atom
  • A61K 31/454 - Non-condensed piperidines, e.g. piperocaine containing further heterocyclic ring systems containing a five-membered ring with nitrogen as a ring hetero atom, e.g. pimozide, domperidone
  • A61K 31/439 - Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having six-membered rings with one nitrogen as the only ring hetero atom the ring forming part of a bridged ring system, e.g. quinuclidine
  • A61K 31/7084 - Compounds having two nucleosides or nucleotides, e.g. nicotinamide-adenine dinucleotide, flavine-adenine dinucleotide
  • A61K 31/496 - Non-condensed piperazines containing further heterocyclic rings, e.g. rifampin, thiothixene or sparfloxacin
  • A61K 31/4965 - Non-condensed pyrazines
  • A61K 31/553 - Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having seven-membered rings, e.g. azelastine, pentylenetetrazole having at least one nitrogen and at least one oxygen as ring hetero atoms, e.g. loxapine, staurosporine
  • A61K 31/5377 - 1,4-Oxazines, e.g. morpholine not condensed and containing further heterocyclic rings, e.g. timolol
  • A61K 31/4709 - Non-condensed quinolines containing further heterocyclic rings
  • A61K 31/704 - Compounds having saccharide radicals attached to non-saccharide compounds by glycosidic linkages attached to a carbocyclic compound, e.g. phloridzin attached to a condensed carbocyclic ring system, e.g. sennosides, thiocolchicosides, escin, daunorubicin, digitoxin
  • A61K 9/00 - Medicinal preparations characterised by special physical form
  • A61P 35/02 - Antineoplastic agents specific for leukemia

16.

COMBINATION CANCER THERAPY WITH CYTARABINE-BASED COMPOUNDS

      
Document Number 03069558
Status Pending
Filing Date 2018-07-09
Open to Public Date 2019-01-17
Owner BIOSIGHT LTD. (Israel)
Inventor
  • Ben Yakar, Ruth
  • Gengrinovitch, Stela
  • Tessler, Shoshi
  • Flaishon, Liat

Abstract

The present invention relates to combination therapies of a cytarabine conjugate and one or more anti-neoplastic agents for inhibiting cancer cell growth. In particular, the present invention relates to a conjugate of cytarabine and aspartic acid (BST-236) in combination with one or more additional anti-neoplastic agents for use in the treatment of hematological cancers.

IPC Classes  ?

  • A61K 31/706 - Compounds having saccharide radicals and heterocyclic rings having nitrogen as a ring hetero atom, e.g. nucleosides, nucleotides containing six-membered rings with nitrogen as a ring hetero atom
  • A61K 31/7064 - Compounds having saccharide radicals and heterocyclic rings having nitrogen as a ring hetero atom, e.g. nucleosides, nucleotides containing six-membered rings with nitrogen as a ring hetero atom containing condensed or non-condensed pyrimidines
  • A61P 35/00 - Antineoplastic agents
  • C07H 19/067 - Pyrimidine radicals with ribosyl as the saccharide radical

17.

Cytarabine conjugates for cancer therapy

      
Application Number 15780732
Grant Number 11058701
Status In Force
Filing Date 2016-01-25
First Publication Date 2018-12-27
Grant Date 2021-07-13
Owner Biosight Ltd. (Israel)
Inventor
  • Gengrinovitch, Stela
  • Ben Yakar, Ruth

Abstract

Provided relates to conjugates including cytarabine and an amino acid for use in the treatment of cancer. Further, the subject matter relates to conjugates of cytarabine and aspartic acid for use in the treatment of hematological cancers in medically compromised patients.

IPC Classes  ?

  • A01N 43/04 - Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atom with one hetero atom
  • A61K 31/70 - CarbohydratesSugarsDerivatives thereof
  • A61K 31/7068 - Compounds having saccharide radicals and heterocyclic rings having nitrogen as a ring hetero atom, e.g. nucleosides, nucleotides containing six-membered rings with nitrogen as a ring hetero atom containing condensed or non-condensed pyrimidines having oxo groups directly attached to the pyrimidine ring, e.g. cytidine, cytidylic acid
  • A61K 47/54 - Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additivesTargeting or modifying agents chemically bound to the active ingredient the non-active ingredient being chemically bound to the active ingredient, e.g. polymer-drug conjugates the non-active ingredient being a modifying agent the modifying agent being an organic compound
  • A61P 35/00 - Antineoplastic agents

18.

Salts of conjugates for cancer therapy

      
Application Number 15780704
Grant Number 11104698
Status In Force
Filing Date 2016-12-01
First Publication Date 2018-12-13
Grant Date 2021-08-31
Owner Biosight Ltd. (Israel)
Inventor Gengrinovitch, Stela

Abstract

Provided relates to pharmaceutically acceptable salts of conjugates including a chemotherapeutic drug and an amino acid or a derivative thereof, which are readily taken up by a target cell and reduce side effects induced by the chemotherapeutic drug. Further, the subject matter relates to pharmaceutically acceptable salts of conjugates comprising cytidine analog drugs and aspartic or glutamic acid and analogs thereof, pharmaceutical compositions including these conjugates and use thereof for the treatment of cancer or a pre-cancer condition or disorder.

IPC Classes  ?

  • A01N 43/04 - Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with one or more oxygen or sulfur atoms as the only ring hetero atom with one hetero atom
  • A61K 31/70 - CarbohydratesSugarsDerivatives thereof
  • C07H 19/09 - Pyrimidine radicals with arabinosyl as the saccharide radical
  • A61K 47/54 - Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additivesTargeting or modifying agents chemically bound to the active ingredient the non-active ingredient being chemically bound to the active ingredient, e.g. polymer-drug conjugates the non-active ingredient being a modifying agent the modifying agent being an organic compound
  • C07H 19/06 - Pyrimidine radicals
  • A61P 35/02 - Antineoplastic agents specific for leukemia
  • A61P 35/04 - Antineoplastic agents specific for metastasis

19.

CYTARABINE CONJUGATES FOR CANCER THERAPY

      
Document Number 03007058
Status In Force
Filing Date 2016-01-25
Open to Public Date 2017-06-08
Grant Date 2023-10-17
Owner BIOSIGHT LTD. (Israel)
Inventor
  • Gengrinovitch, Stela
  • Ben Yakar, Ruth

Abstract

The present invention relates to conjugates comprising cytarabine and an amino acid for use in the treatment of cancer. In particular, the present invention relates to conjugates of cytarabine and aspartic acid for use in the treatment of hematological cancers in medically compromised patients.

IPC Classes  ?

  • A61K 31/7068 - Compounds having saccharide radicals and heterocyclic rings having nitrogen as a ring hetero atom, e.g. nucleosides, nucleotides containing six-membered rings with nitrogen as a ring hetero atom containing condensed or non-condensed pyrimidines having oxo groups directly attached to the pyrimidine ring, e.g. cytidine, cytidylic acid
  • A61P 31/12 - Antivirals
  • A61P 35/00 - Antineoplastic agents
  • A61P 35/02 - Antineoplastic agents specific for leukemia

20.

SALTS OF CONJUGATES FOR CANCER THERAPY

      
Document Number 03007065
Status In Force
Filing Date 2016-12-01
Open to Public Date 2017-06-08
Grant Date 2023-02-14
Owner BIOSIGHT LTD. (Israel)
Inventor Gengrinovitch, Stela

Abstract

The present invention relates to pharmaceutically acceptable salts of conjugates comprising a chemotherapeutic drug and an amino acid or a derivative thereof, which are readily taken up by a target cell and reduce side effects induced by the chemotherapeutic drug. In particular, the present invention relates to pharmaceutically acceptable salts of conjugates comprising cytidine analog drugs and aspartic or glutamic acid and analogs thereof, pharmaceutical compositions comprising these conjugates and use thereof for the treatment of cancer or a pre-cancer condition or disorder.

IPC Classes  ?

  • A61K 31/7068 - Compounds having saccharide radicals and heterocyclic rings having nitrogen as a ring hetero atom, e.g. nucleosides, nucleotides containing six-membered rings with nitrogen as a ring hetero atom containing condensed or non-condensed pyrimidines having oxo groups directly attached to the pyrimidine ring, e.g. cytidine, cytidylic acid
  • A61K 47/50 - Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additivesTargeting or modifying agents chemically bound to the active ingredient the non-active ingredient being chemically bound to the active ingredient, e.g. polymer-drug conjugates
  • A61P 35/00 - Antineoplastic agents
  • A61P 35/02 - Antineoplastic agents specific for leukemia
  • C07H 19/06 - Pyrimidine radicals
  • C07H 19/067 - Pyrimidine radicals with ribosyl as the saccharide radical

21.

CYTARABINE CONJUGATES FOR CANCER THERAPY

      
Application Number IL2016050077
Publication Number 2017/093993
Status In Force
Filing Date 2016-01-25
Publication Date 2017-06-08
Owner BIOSIGHT LTD. (Israel)
Inventor
  • Gengrinovitch, Stela
  • Ben Yakar, Ruth

Abstract

The present invention relates to conjugates comprising cytarabine and an amino acid for use in the treatment of cancer. In particular, the present invention relates to conjugates of cytarabine and aspartic acid for use in the treatment of hematological cancers in medically compromised patients.

IPC Classes  ?

  • A61K 31/7068 - Compounds having saccharide radicals and heterocyclic rings having nitrogen as a ring hetero atom, e.g. nucleosides, nucleotides containing six-membered rings with nitrogen as a ring hetero atom containing condensed or non-condensed pyrimidines having oxo groups directly attached to the pyrimidine ring, e.g. cytidine, cytidylic acid
  • A61P 35/00 - Antineoplastic agents
  • A61P 35/02 - Antineoplastic agents specific for leukemia
  • A61P 31/12 - Antivirals

22.

SALTS OF CONJUGATES FOR CANCER THERAPY

      
Application Number IL2016051287
Publication Number 2017/094011
Status In Force
Filing Date 2016-12-01
Publication Date 2017-06-08
Owner BIOSIGHT LTD. (Israel)
Inventor Gengrinovitch, Stela

Abstract

The present invention relates to pharmaceutically acceptable salts of conjugates comprising a chemotherapeutic drug and an amino acid or a derivative thereof, which are readily taken up by a target cell and reduce side effects induced by the chemotherapeutic drug. In particular, the present invention relates to pharmaceutically acceptable salts of conjugates comprising cytidine analog drugs and aspartic or glutamic acid and analogs thereof, pharmaceutical compositions comprising these conjugates and use thereof for the treatment of cancer or a pre-cancer condition or disorder.

IPC Classes  ?

  • C07H 19/06 - Pyrimidine radicals
  • C07H 19/067 - Pyrimidine radicals with ribosyl as the saccharide radical
  • A61P 35/00 - Antineoplastic agents
  • A61P 35/02 - Antineoplastic agents specific for leukemia
  • A61K 31/7068 - Compounds having saccharide radicals and heterocyclic rings having nitrogen as a ring hetero atom, e.g. nucleosides, nucleotides containing six-membered rings with nitrogen as a ring hetero atom containing condensed or non-condensed pyrimidines having oxo groups directly attached to the pyrimidine ring, e.g. cytidine, cytidylic acid
  • A61K 47/50 - Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additivesTargeting or modifying agents chemically bound to the active ingredient the non-active ingredient being chemically bound to the active ingredient, e.g. polymer-drug conjugates

23.

Activated labeling reagents and methods for preparing and using the same

      
Application Number 11719616
Grant Number 08435800
Status In Force
Filing Date 2005-11-22
First Publication Date 2009-08-13
Grant Date 2013-05-07
Owner BioSight Ltd. (Israel)
Inventor Gengrinovitch, Stela

Abstract

The present invention relates in general to labeling reagents useful for labeling biomolecules. In particular, the invention provides activated labeling reagents having the formula L-Ph, wherein L is an activated labeling molecule and Ph is a phenol. The invention further provides methods of preparing the labeling reagents, methods of using the labeling reagents for synthesizing a labeled biomolecule, kits that include reagents for labeling a biomolecule and kits containing labeled biomolecules.

IPC Classes  ?

  • C07D 311/88 - Nitrogen atoms
  • C07H 19/00 - Compounds containing a hetero ring sharing one ring hetero atom with a saccharide radicalNucleosidesMononucleotidesAnhydro derivatives thereof
  • C07K 1/113 - General processes for the preparation of peptides by chemical modification of precursor peptides without change of the primary structure
  • G01N 21/76 - ChemiluminescenceBioluminescence