MX2021006745A - Constructos de iarn modificados quimicamente y usos de estos. - Google Patents

Constructos de iarn modificados quimicamente y usos de estos.

Info

Publication number
MX2021006745A
MX2021006745A MX2021006745A MX2021006745A MX2021006745A MX 2021006745 A MX2021006745 A MX 2021006745A MX 2021006745 A MX2021006745 A MX 2021006745A MX 2021006745 A MX2021006745 A MX 2021006745A MX 2021006745 A MX2021006745 A MX 2021006745A
Authority
MX
Mexico
Prior art keywords
chemically
rnai constructs
modified
modified rnai
vivo
Prior art date
Application number
MX2021006745A
Other languages
English (en)
Inventor
Justin K Murray
Bradley J Herberich
Bin Wu
Yuan Cheng
Original Assignee
Amgen Inc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Amgen Inc filed Critical Amgen Inc
Publication of MX2021006745A publication Critical patent/MX2021006745A/es

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C12BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12NMICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
    • C12N15/00Mutation or genetic engineering; DNA or RNA concerning genetic engineering, vectors, e.g. plasmids, or their isolation, preparation or purification; Use of hosts therefor
    • C12N15/09Recombinant DNA-technology
    • C12N15/11DNA or RNA fragments; Modified forms thereof; Non-coding nucleic acids having a biological activity
    • C12N15/113Non-coding nucleic acids modulating the expression of genes, e.g. antisense oligonucleotides; Antisense DNA or RNA; Triplex- forming oligonucleotides; Catalytic nucleic acids, e.g. ribozymes; Nucleic acids used in co-suppression or gene silencing
    • CCHEMISTRY; METALLURGY
    • C12BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12NMICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
    • C12N15/00Mutation or genetic engineering; DNA or RNA concerning genetic engineering, vectors, e.g. plasmids, or their isolation, preparation or purification; Use of hosts therefor
    • C12N15/09Recombinant DNA-technology
    • C12N15/11DNA or RNA fragments; Modified forms thereof; Non-coding nucleic acids having a biological activity
    • C12N15/111General methods applicable to biologically active non-coding nucleic acids
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K31/00Medicinal preparations containing organic active ingredients
    • A61K31/70Carbohydrates; Sugars; Derivatives thereof
    • A61K31/7088Compounds having three or more nucleosides or nucleotides
    • A61K31/7105Natural ribonucleic acids, i.e. containing only riboses attached to adenine, guanine, cytosine or uracil and having 3'-5' phosphodiester links
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K31/00Medicinal preparations containing organic active ingredients
    • A61K31/70Carbohydrates; Sugars; Derivatives thereof
    • A61K31/7088Compounds having three or more nucleosides or nucleotides
    • A61K31/713Double-stranded nucleic acids or oligonucleotides
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K48/00Medicinal preparations containing genetic material which is inserted into cells of the living body to treat genetic diseases; Gene therapy
    • CCHEMISTRY; METALLURGY
    • C12BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12NMICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
    • C12N2310/00Structure or type of the nucleic acid
    • C12N2310/10Type of nucleic acid
    • C12N2310/14Type of nucleic acid interfering N.A.
    • CCHEMISTRY; METALLURGY
    • C12BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12NMICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
    • C12N2310/00Structure or type of the nucleic acid
    • C12N2310/30Chemical structure
    • C12N2310/31Chemical structure of the backbone
    • C12N2310/315Phosphorothioates
    • CCHEMISTRY; METALLURGY
    • C12BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12NMICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
    • C12N2310/00Structure or type of the nucleic acid
    • C12N2310/30Chemical structure
    • C12N2310/32Chemical structure of the sugar
    • C12N2310/3212'-O-R Modification
    • CCHEMISTRY; METALLURGY
    • C12BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12NMICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
    • C12N2310/00Structure or type of the nucleic acid
    • C12N2310/30Chemical structure
    • C12N2310/32Chemical structure of the sugar
    • C12N2310/3222'-R Modification
    • CCHEMISTRY; METALLURGY
    • C12BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12NMICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
    • C12N2310/00Structure or type of the nucleic acid
    • C12N2310/30Chemical structure
    • C12N2310/32Chemical structure of the sugar
    • C12N2310/323Chemical structure of the sugar modified ring structure
    • C12N2310/3231Chemical structure of the sugar modified ring structure having an additional ring, e.g. LNA, ENA
    • CCHEMISTRY; METALLURGY
    • C12BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12NMICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
    • C12N2310/00Structure or type of the nucleic acid
    • C12N2310/30Chemical structure
    • C12N2310/34Spatial arrangement of the modifications
    • C12N2310/344Position-specific modifications, e.g. on every purine, at the 3'-end
    • CCHEMISTRY; METALLURGY
    • C12BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12NMICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
    • C12N2310/00Structure or type of the nucleic acid
    • C12N2310/30Chemical structure
    • C12N2310/34Spatial arrangement of the modifications
    • C12N2310/345Spatial arrangement of the modifications having at least two different backbone modifications
    • CCHEMISTRY; METALLURGY
    • C12BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12NMICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
    • C12N2310/00Structure or type of the nucleic acid
    • C12N2310/30Chemical structure
    • C12N2310/34Spatial arrangement of the modifications
    • C12N2310/346Spatial arrangement of the modifications having a combination of backbone and sugar modifications
    • CCHEMISTRY; METALLURGY
    • C12BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12NMICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
    • C12N2310/00Structure or type of the nucleic acid
    • C12N2310/30Chemical structure
    • C12N2310/35Nature of the modification
    • C12N2310/351Conjugate
    • CCHEMISTRY; METALLURGY
    • C12BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12NMICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
    • C12N2310/00Structure or type of the nucleic acid
    • C12N2310/30Chemical structure
    • C12N2310/35Nature of the modification
    • C12N2310/352Nature of the modification linked to the nucleic acid via a carbon atom
    • C12N2310/3521Methyl
    • CCHEMISTRY; METALLURGY
    • C12BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12NMICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
    • C12N2310/00Structure or type of the nucleic acid
    • C12N2310/30Chemical structure
    • C12N2310/35Nature of the modification
    • C12N2310/352Nature of the modification linked to the nucleic acid via a carbon atom
    • C12N2310/3523Allyl
    • CCHEMISTRY; METALLURGY
    • C12BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12NMICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
    • C12N2310/00Structure or type of the nucleic acid
    • C12N2310/30Chemical structure
    • C12N2310/35Nature of the modification
    • C12N2310/352Nature of the modification linked to the nucleic acid via a carbon atom
    • C12N2310/3525MOE, methoxyethoxy
    • CCHEMISTRY; METALLURGY
    • C12BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
    • C12NMICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
    • C12N2310/00Structure or type of the nucleic acid
    • C12N2310/30Chemical structure
    • C12N2310/35Nature of the modification
    • C12N2310/353Nature of the modification linked to the nucleic acid via an atom other than carbon
    • C12N2310/3533Halogen

Abstract

La presente invención se refiere a constructos de iARN modificados químicamente para reducir la expresión de un gen diana. En particular, la invención se refiere a patrones específicos de nucleótidos modificados que se incorporarán a los constructos de iARN para mejorar su estabilidad y eficacia in vivo. También se describen composiciones farmacéuticas que comprenden los constructos de iARN modificados químicamente y métodos para inhibir la expresión del gen diana in vivo administrando los constructos de iARN modificados químicamente, por ejemplo, para tratar o mejorar diversas afecciones patológicas.
MX2021006745A 2018-12-10 2019-12-09 Constructos de iarn modificados quimicamente y usos de estos. MX2021006745A (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201862777677P 2018-12-10 2018-12-10
PCT/US2019/065294 WO2020123410A1 (en) 2018-12-10 2019-12-09 CHEMICALLY-MODIFIED RNAi CONSTRUCTS AND USES THEREOF

Publications (1)

Publication Number Publication Date
MX2021006745A true MX2021006745A (es) 2021-07-15

Family

ID=69024730

Family Applications (1)

Application Number Title Priority Date Filing Date
MX2021006745A MX2021006745A (es) 2018-12-10 2019-12-09 Constructos de iarn modificados quimicamente y usos de estos.

Country Status (14)

Country Link
US (1) US20220049252A1 (es)
EP (1) EP3894554A1 (es)
JP (1) JP2022511866A (es)
KR (1) KR20210102313A (es)
CN (1) CN113166759A (es)
AU (1) AU2019395341A1 (es)
BR (1) BR112021011043A2 (es)
CA (1) CA3122393A1 (es)
CL (1) CL2021001490A1 (es)
EA (1) EA202191630A1 (es)
IL (1) IL283550A (es)
MX (1) MX2021006745A (es)
SG (1) SG11202105900UA (es)
WO (1) WO2020123410A1 (es)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2022036126A2 (en) 2020-08-13 2022-02-17 Amgen Inc. RNAi CONSTRUCTS AND METHODS FOR INHIBITING MARC1 EXPRESSION
CN116456990A (zh) * 2020-11-05 2023-07-18 美国安进公司 用靶向LPA的RNAi构建体治疗动脉粥样硬化性心血管疾病的方法
CA3225054A1 (en) * 2021-07-08 2023-02-12 Sun Woo Hong Rnai agent targeting marc1 gene, and use thereof
CN114703184A (zh) * 2022-03-11 2022-07-05 厦门甘宝利生物医药有限公司 Lpa抑制剂及其用途
WO2023207615A1 (zh) * 2022-04-26 2023-11-02 南京明德新药研发有限公司 一类含由天然核苷酸组成突出端的双链RNAi化合物
US20240084301A1 (en) 2022-07-25 2024-03-14 Amgen Inc. Rnai constructs and methods for inhibiting fam13a expression
WO2024023256A1 (en) * 2022-07-27 2024-02-01 E-Therapeutics Plc Nucleic acid compounds
WO2024023254A1 (en) * 2022-07-27 2024-02-01 E-Therapeutics Plc Nucleic acid compounds
WO2024061185A1 (zh) * 2022-09-20 2024-03-28 上海舶望制药有限公司 特定修饰的RNAi试剂和组合物

Family Cites Families (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5539082A (en) 1993-04-26 1996-07-23 Nielsen; Peter E. Peptide nucleic acids
US5714331A (en) 1991-05-24 1998-02-03 Buchardt, Deceased; Ole Peptide nucleic acids having enhanced binding affinity, sequence specificity and solubility
US5719262A (en) 1993-11-22 1998-02-17 Buchardt, Deceased; Ole Peptide nucleic acids having amino acid side chains
US5981505A (en) 1993-01-26 1999-11-09 The Trustees Of The University Of Pennsylvania Compositions and methods for delivery of genetic material
US5837533A (en) 1994-09-28 1998-11-17 American Home Products Corporation Complexes comprising a nucleic acid bound to a cationic polyamine having an endosome disruption agent
US5840710A (en) 1994-12-09 1998-11-24 Genzyme Corporation Cationic amphiphiles containing ester or ether-linked lipophilic groups for intracellular delivery of therapeutic molecules
US5981501A (en) 1995-06-07 1999-11-09 Inex Pharmaceuticals Corp. Methods for encapsulating plasmids in lipid bilayers
EP1489184A1 (en) 1995-06-07 2004-12-22 Inex Pharmaceutical Corp. Lipid-nucleic acid particles prepared via a hydrophobic lipid-nucleic acid complex intermediate and use for gene transfer
US7422902B1 (en) 1995-06-07 2008-09-09 The University Of British Columbia Lipid-nucleic acid particles prepared via a hydrophobic lipid-nucleic acid complex intermediate and use for gene transfer
US6217900B1 (en) 1997-04-30 2001-04-17 American Home Products Corporation Vesicular complexes and methods of making and using the same
DE69834038D1 (de) 1997-07-01 2006-05-18 Isis Pharmaceutical Inc Zusammensetzungen und verfahren zur verabreichung von oligonukleotiden über die speiseröhre
US7833992B2 (en) 2001-05-18 2010-11-16 Merck Sharpe & Dohme Conjugates and compositions for cellular delivery
US7491805B2 (en) 2001-05-18 2009-02-17 Sirna Therapeutics, Inc. Conjugates and compositions for cellular delivery
US6693187B1 (en) 2000-10-17 2004-02-17 Lievre Cornu Llc Phosphinoamidite carboxlates and analogs thereof in the synthesis of oligonucleotides having reduced internucleotide charge
US20030130186A1 (en) 2001-07-20 2003-07-10 Chandra Vargeese Conjugates and compositions for cellular delivery
US7109165B2 (en) 2001-05-18 2006-09-19 Sirna Therapeutics, Inc. Conjugates and compositions for cellular delivery
US9181551B2 (en) 2002-02-20 2015-11-10 Sirna Therapeutics, Inc. RNA interference mediated inhibition of gene expression using chemically modified short interfering nucleic acid (siNA)
AU2003266014B2 (en) 2002-05-06 2009-05-14 Alnylam Pharmaceuticals, Inc. Methods for delivery of nucleic acids
US8017762B2 (en) 2003-04-17 2011-09-13 Alnylam Pharmaceuticals, Inc. Modified iRNA agents
EP2664672A1 (en) 2003-04-17 2013-11-20 Alnylam Pharmaceuticals Inc. Modified iRNA agents
US7851615B2 (en) 2003-04-17 2010-12-14 Alnylam Pharmaceuticals, Inc. Lipophilic conjugated iRNA agents
US7723509B2 (en) 2003-04-17 2010-05-25 Alnylam Pharmaceuticals IRNA agents with biocleavable tethers
WO2008131419A2 (en) 2007-04-23 2008-10-30 Alnylam Pharmaceuticals, Inc. Glycoconjugates of rna interference agents
CA2708153C (en) 2007-12-04 2017-09-26 Alnylam Pharmaceuticals, Inc. Carbohydrate conjugates as delivery agents for oligonucleotides
HRP20220908T8 (hr) * 2011-11-18 2023-02-03 Alnylam Pharmaceuticals, Inc. MODIFICIRANA RNAi SREDSTVA
AR090905A1 (es) 2012-05-02 2014-12-17 Merck Sharp & Dohme Conjugados que contienen tetragalnac y peptidos y procedimientos para la administracion de oligonucleotidos, composicion farmaceutica
JP6694382B2 (ja) 2013-06-21 2020-05-13 アイオーニス ファーマシューティカルズ, インコーポレーテッドIonis Pharmaceuticals,Inc. 標的核酸を調節するための組成物および方法
EP3812462A1 (en) * 2014-08-20 2021-04-28 Alnylam Pharmaceuticals, Inc. Modified double-stranded rna agents
JP2018535655A (ja) 2015-09-29 2018-12-06 アムジエン・インコーポレーテツド Asgr阻害剤

Also Published As

Publication number Publication date
IL283550A (en) 2021-07-29
SG11202105900UA (en) 2021-07-29
CL2021001490A1 (es) 2022-01-14
AU2019395341A1 (en) 2021-06-17
EP3894554A1 (en) 2021-10-20
EA202191630A1 (ru) 2021-11-29
BR112021011043A2 (pt) 2021-08-31
US20220049252A1 (en) 2022-02-17
CA3122393A1 (en) 2020-06-18
KR20210102313A (ko) 2021-08-19
CN113166759A (zh) 2021-07-23
WO2020123410A1 (en) 2020-06-18
JP2022511866A (ja) 2022-02-01

Similar Documents

Publication Publication Date Title
MX2021006745A (es) Constructos de iarn modificados quimicamente y usos de estos.
NZ730296A (en) Modified double-stranded rna agents
WO2015106128A3 (en) Rnai agents modified at the 4'-c-position
MX2018012038A (es) Agentes de iarn modificados.
CR20220468A (es) AGENTES DE iARN PARA INFECCION CAUSADA POR EL VIRUS DE LA HEPATITIS B (Divisional 2019-0056)
SA519401379B1 (ar) علاج فيروس مرتبط بغدة لمرض هنتنجتون
MX2021012126A (es) Composiciones y métodos para inhibir la expresión génica en el sistema nervioso central.
EP4219713A3 (en) Products and compositions
WO2014022739A3 (en) Modified rnai agents
NZ733882A (en) Compositions for modulating c9orf72 expression
WO2016106400A3 (en) Rna interference agents for gst-pi gene modulation
SG10201811175WA (en) Method for treating cancer using a combination of chk1 and atr inhibitors
MX2017016088A (es) Oligonucleotidos multi-conjugados definidos.
MX2018006989A (es) Metodos y composiciones para el tratamiento contra un trastorno asociado a serpinc1.
MX2010009195A (es) Rnas ultrapequeños como antagonistas del receptor tipo toll-3.
MX336711B (es) Inhibidores de catecol o-metil transferasa y su uso en el tratamiento de transtornos psicoticos.
TR201818825T4 (tr) Kardi̇yak hi̇pertrofi̇ni̇n tedavi̇si̇ne ve tanisina yöneli̇k lncrnalar
WO2019217397A3 (en) Compositions and methods for improving strand biased
CL2021001488A1 (es) Transposasa de piggybac mutada
MX2021007001A (es) Moleculas inhibidoras de acido nucleico de cadena doble que contienen un tribucle.
MX2021006784A (es) Constructos de arni para inhibir la expresion de pnpla3 y metodos de uso de estos.
MX2020005680A (es) Tratamiento antisentido del sindrome de angelman.
MX2013010524A (es) Combinacion de oligonucleotido anti-clusterina con inhibidor hsp90 para el tratamiento de cancer de prostata.
AR083445A1 (es) siARN CONTRA LA FIBROSIS
WO2015020993A3 (en) RNAi COMPOSITIONS AND METHODS FOR TREATMENT OF FRIEDREICH'S ATAXIA