WO2005005433A1 - 高カルシウム血症および骨疾患治療剤 - Google Patents
高カルシウム血症および骨疾患治療剤 Download PDFInfo
- Publication number
- WO2005005433A1 WO2005005433A1 PCT/JP2004/010125 JP2004010125W WO2005005433A1 WO 2005005433 A1 WO2005005433 A1 WO 2005005433A1 JP 2004010125 W JP2004010125 W JP 2004010125W WO 2005005433 A1 WO2005005433 A1 WO 2005005433A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- therapeutic agent
- bone
- derivative
- group
- riveromycin
- 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.)
- Ceased
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D493/00—Heterocyclic compounds containing oxygen atoms as the only ring hetero atoms in the condensed system
- C07D493/02—Heterocyclic compounds containing oxygen atoms as the only ring hetero atoms in the condensed system in which the condensed system contains two hetero rings
- C07D493/10—Spiro-condensed systems
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P19/00—Drugs for skeletal disorders
- A61P19/08—Drugs for skeletal disorders for bone diseases, e.g. rachitism, Paget's disease
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P19/00—Drugs for skeletal disorders
- A61P19/08—Drugs for skeletal disorders for bone diseases, e.g. rachitism, Paget's disease
- A61P19/10—Drugs for skeletal disorders for bone diseases, e.g. rachitism, Paget's disease for osteoporosis
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P3/00—Drugs for disorders of the metabolism
- A61P3/12—Drugs for disorders of the metabolism for electrolyte homeostasis
- A61P3/14—Drugs for disorders of the metabolism for electrolyte homeostasis for calcium homeostasis
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/50—Improvements relating to the production of bulk chemicals
- Y02P20/55—Design of synthesis routes, e.g. reducing the use of auxiliary or protecting groups
Definitions
- the present invention relates to a novel therapeutic agent for hypercalcemia and bone disease.
- osteoblasts The amount and function of bone are maintained by a balance between bone formation by osteoblasts and bone resorption (bone destruction) by osteoclasts.
- Osteoporosis a rapidly increasing number of patients in an aging society, is a disease in which bone metabolism is disrupted due to excessive bone resorption by activated mature osteoclasts, resulting in bone loss. .
- Non-hormonal drugs that can directly suppress the function of osteoclasts, which are factors of bone resorption, can be expected as clinical drugs with few side effects.
- a non-hormonal therapeutic agent for bone diseases a therapeutic agent for bone diseases containing riveromycins as an active ingredient is known (see JP-A-7-223945).
- JP-A-7-223945 a therapeutic agent for bone diseases containing riveromycins as an active ingredient.
- further development of a therapeutic agent for bone disease is desired.
- the present invention meets the above-mentioned demands, and has an object to provide a novel therapeutic agent for hypercalcemia and bone disease and a novel compound which can be used as an active ingredient of the therapeutic agent.
- the present inventors have conducted intensive studies to solve the above-mentioned problems, and as a result, a specific derivative of the natural compound Liberomycin A and a Liberomycin A derivative newly developed based on Liberomycin A have been matured.
- the gist of the present invention is as follows.
- R represents a hydroxyl-protecting group capable of leaving under acidic conditions.
- a therapeutic agent for hypercalcemia or bone disease comprising a riveromycin A derivative represented by the formula or a pharmaceutically acceptable salt thereof as an active ingredient.
- a therapeutic agent for hypercalcemia or bone disease comprising the riveromycin A derivative or the pharmaceutically acceptable salt thereof according to (3) as an active ingredient.
- the riveromycin A derivative used in the therapeutic agent of the present invention is a compound represented by the following general formula (I) and a pharmaceutically acceptable salt thereof.
- R represents a hydroxyl-protecting group capable of leaving under acidic conditions.
- the “protecting group for hydroxyl group” is not particularly limited as long as it is an atomic group capable of temporarily protecting the hydroxyl group from various reactions.
- the phrase "can be eliminated under acidic conditions” means that the protecting group can be eliminated under acidic conditions, and the protective groups are more neutral under neutral conditions than under acidic conditions. It means that it is difficult to detach.
- "removable under acidic conditions” means that the protecting group can be removed under an acidic environment created by mature osteoclasts and the like, Under a neutral environment where cells exist, it means that the protecting group is more difficult to be removed.
- the phrase "protective group is less likely to be removed under neutral conditions” means that the protective group is preferably stable and hardly removed under neutral conditions.
- the phrase "can be eliminated under acidic conditions” means, for example, that a protective group is eliminated under acidic conditions of pH 4.0 or less, and almost no protective group is eliminated under neutral conditions of pH 7.0.
- the protecting group “removable under acidic conditions” that can be used in the present invention can be selected, for example, by the following method.
- the reveromycin A derivative, whose hydroxyl group at position 5 is protected with the protecting group to be tested, is administered to cells that create an acidic environment such as mature osteoclasts and cells that exist in a neutral environment such as osteoclast precursor cells.
- the cell death inducing activity is measured by counting the number of viable cells or the MTT method, etc., and a derivative that exhibits a higher cell death inducing activity for cells that create an acidic environment than cells that exist in a neutral environment is selected.
- an acyl group, an alkyl group, a silyl group, or the like can be used, and preferably, an asinole group or a silyl group can be used. More specifically, the alkyl group such as formyl group, acetyl group, propionyl group, butyryl group, isobutyryl group, valeryl group, isovaleryl group, hexanoyl group, etc.
- Alkyl groups such as alkyl groups such as tetrahydroviranyl group; ethoxyxyl group and methoxymethyl group; arylalkyl (aralkyl) groups such as benzyl group; alkylthioalkyl groups such as methylthiomethyl group;
- alkyl groups such as alkyl groups such as tetrahydroviranyl group; ethoxyxyl group and methoxymethyl group; arylalkyl (aralkyl) groups such as benzyl group; alkylthioalkyl groups such as methylthiomethyl group;
- alkyl groups such as alkyl groups such as tetrahydroviranyl group; ethoxyxyl group and methoxymethyl group; arylalkyl (aralkyl) groups such as benzyl group; alkylthioalkyl groups such as methylthiomethyl group;
- riveromycin A derivative used in the therapeutic agent of the present invention is represented by the general formula:
- the derivative is a riveromycin A derivative in which R is a tert-butyldimethylsilyl group.
- Another preferred form of the riveromycin A derivative used in the therapeutic agent of the present invention is a novel riveromycin A derivative in which R is an acetyl group in general formula (I).
- a pharmaceutically acceptable salt of a riveromycin A derivative can also be used.
- Pharmaceutically acceptable salts include, for example, minerals such as hydrochlorides and sulfates. Acid salts; or organic acid salts such as P-toluenesulfonate; metal salts such as sodium salt, potassium salt, calcium salt; ammonium salts; organic ammonium salts such as methyl ammonium salts; amino acids such as glycine salts Power that can include salt etc. It is not limited to these.
- the riveromycin A derivative represented by the general formula (I) has a plurality of asymmetric carbons, and may further have one or more asymmetric carbons depending on the type of the substituent.
- the power of the presence of stereoisomers such as optical isomers or diastereomers based on these asymmetric carbons
- a mixture or racemate of any stereoisomers is used be able to.
- Liberomycin A derivatives may have olefinic double bonds in some cases, and there are geometric isomers based on double bonds.
- any geometric isomers A mixture of the above can also be used in the present invention.
- the riveromycin A derivative used in the present invention can exist in any crystal form, and may exist as a hydrate or solvate. These substances can also be used in the present invention.
- the structure of a specific reveromycin A derivative having an effective activity as the therapeutic agent of the present invention has been elucidated by the present invention, and thus known methods, for example, bioorganic and 'medicinal' It can be produced by a method for producing a reveromycin A derivative described in Chemistry's Letters (Bioorganic & Medicinal Chemistry Letters Vol. 12, pp 3363-3366 (2002)) or the like and ordinary organic synthesis techniques.
- specific examples of the method for synthesizing the compound used as the therapeutic agent of the present invention are described, and these synthetic methods can also be referred to.
- the therapeutic agent of the present invention is a drug containing a specific Liberomycin A derivative or a pharmaceutically acceptable salt thereof as an active ingredient, and is used for the treatment of hypercalcemia and bone disease, and Or can be used for prevention.
- Bone diseases include both endogenous bone diseases such as bone loss and extrinsic bone diseases such as physical fractures.
- the drug of the present invention is used for treating and / or preventing the above bone diseases, or for treating the above bone diseases. Can be used to shorten the treatment period.
- Endogenous bone diseases include excessive formation of osteoclasts in vivo and
- bone diseases include osteoporosis, bone disease-related hypercalcemia, bone page et al disease, osteoclastoma, osteosarcoma, arthropathy, rheumatoid arthritis, osteoarthritis, primary These include hyperthyroidism, osteopenia, osteoporosis, osteomalacia, traumatic fractures, fatigue fractures, or weakening and fractures of bone tissue due to other diseases such as malnutrition and malignancy. However, it is not limited to these.
- the therapeutic agent of the present invention is suitably used for treating and preventing or preventing hypercalcemia and bone disease induced by vitamin D, IL-11 or parathyroid hormone.
- the administration method, dosage form, and dosage of the therapeutic agent of the present invention can be appropriately determined in accordance with the usual pharmaceutical techniques according to the purpose of use.
- animals such as humans for the purpose of treatment or prevention, they are administered orally as powders, granules, tablets, capsules, pills, solvents, etc., or as injections, suppositories, transdermal absorbents, etc. It can be administered parenterally as an inhalant or the like.
- the effective amount of the riveromycin A derivative used in the therapeutic agent of the present invention may be selected from excipients, binders, wetting agents, disintegrants, lubricants and the like suitable for the dosage form according to ordinary pharmaceutical techniques.
- These pharmaceutical additives can be mixed as necessary to obtain a pharmaceutical preparation.
- the preparation is prepared by sterilizing with an appropriate carrier.
- the dose varies depending on the disease state, route of administration, age and weight of the patient, and is ultimately left to the discretion of the physician. However, when administered to an adult orally as an active ingredient, it is usually 20-500. mg / kg / day, preferably 50-300 mg / kg / day, when administered parenterally, usually 10-300 mg / kg / day, preferably 20-200 mg / kg / day. This may be administered once or in several divided doses.
- derivatives in which the hydroxyl group at position 5 of Liberomycin A is protected with an appropriate protecting group have a weak cell killing activity S at neutral pH, and are strong against mature osteoclasts that create an acidic environment. It acts as a prodrug having various apoptosis-inducing activities. These derivatives show an excellent selective osteoclast apoptosis-inducing effect, such as a lower apoptosis-inducing activity on cells other than mature osteoclasts. The high selectivity for activated mature osteoclasts suggests that the side effects of these riveromycin A derivatives are minor.
- riveromycin A derivative capable of inducing selective cell death to mature osteoclasts responsible for bone resorption was found.
- These riveromycin A derivatives can effectively suppress bone resorption due to parathyroid hormone, and their effects are more persistent than calcitonin, etc., resulting in excessive activation of osteoclasts. It can be expected as an effective therapeutic agent for bone diseases and hypercalcemia induced by such factors.
- Ph P triphenylphosphine
- pyrrolidine 7.3 ⁇ ⁇
- Extract with CO neutralize the aqueous layer with 2N HC1, extract with EtOAc, and wash the organic layer with saturated brine.
- TRAP tartarate resistant acid phosphatase
- RAW264 cells were seeded at 40,000 cells / 100 ⁇ l in a 96-well plate, cultured for 24 hours, added with 50 ⁇ l of a medium containing a 3 times concentration of drug, cultured for 24 hours, and examined for cell death inducing activity.
- MTT-PBS phosphate buffered saline
- DMSO dimethyl sulfoxide
- the active ED is 24 and acts with high selectivity on mature osteoclasts.
- riveromycin ⁇ derivatives (compounds 2 and 27) did not inhibit the growth of osteoclast precursor RAW264 even at relatively high concentrations, and were selective for mature osteoclasts. Apoptosis-inducing effect was shown.
- the surrounding environment becomes acidic due to the secretion of protons by mature osteoclasts, but it is possible that in the acidic environment, the modifying group was eliminated by hydrolysis and returned to the hydroxyl group.
- the long bones of the forelimbs were removed.
- the extracted long bone was used as a culture medium in DMEM (Dulbecco's modified Eagle's medium) containing 15% heat-inactivated poma serum and 100 U / ml penicillin, and bone absorption factor (PTH 10 " 8 M, IL- 1 0.3 ng / ml, vitamin D 10- 8 M) and reveromycin A derivatives
- the bone resorption inhibiting effect of the riveromycin A derivative was assayed by measuring the concentration of serum calcium released into the blood by the bone resorption action. After performing thyroid parathyroidectomy (TPTX) on SD rats and confirming a decrease in serum calcium the following day, parathyroid hormone was
- Rats exhibiting hypercalcemia due to enhanced bone resorption were produced by continuous infusion of (PTH).
- the present invention provides a novel therapeutic agent for hypercalcemia and bone disease, and a novel compound that can be used as an effective component of the therapeutic agent.
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- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Physical Education & Sports Medicine (AREA)
- Rheumatology (AREA)
- Public Health (AREA)
- Pharmacology & Pharmacy (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Veterinary Medicine (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Medicinal Chemistry (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Bioinformatics & Cheminformatics (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Hematology (AREA)
- Diabetes (AREA)
- Obesity (AREA)
- Endocrinology (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Heterocyclic Carbon Compounds Containing A Hetero Ring Having Oxygen Or Sulfur (AREA)
Description
Claims
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP04747591A EP1650210A4 (en) | 2003-07-15 | 2004-07-15 | THERAPEUTIC AGENT AGAINST HYPERKALEMIA AND BONE DISEASE |
| US10/564,367 US20060173069A1 (en) | 2003-07-15 | 2004-07-15 | Therapeutic agent for hyperpotassemia and bone disease |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2003-197229 | 2003-07-15 | ||
| JP2003197229A JP2005035895A (ja) | 2003-07-15 | 2003-07-15 | 高カルシウム血症および骨疾患治療剤 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2005005433A1 true WO2005005433A1 (ja) | 2005-01-20 |
Family
ID=34055852
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/JP2004/010125 Ceased WO2005005433A1 (ja) | 2003-07-15 | 2004-07-15 | 高カルシウム血症および骨疾患治療剤 |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US20060173069A1 (ja) |
| EP (1) | EP1650210A4 (ja) |
| JP (1) | JP2005035895A (ja) |
| WO (1) | WO2005005433A1 (ja) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2012507509A (ja) * | 2008-10-31 | 2012-03-29 | エスエヌユー アール&ディービー ファウンデーション | スピロキラルの炭素骨格を有する新規化合物、その製造方法及びそれを含む薬剤学的組成物 |
| JP2012041291A (ja) * | 2010-08-18 | 2012-03-01 | Institute Of Physical & Chemical Research | 歯周病の治療または予防剤 |
| WO2012029811A1 (ja) * | 2010-08-31 | 2012-03-08 | 独立行政法人理化学研究所 | リベロマイシンaまたはその合成中間体の製造法、スピロケタール環含有化合物の製造方法、並びに新規抗癌剤、抗真菌剤および骨疾患治療剤 |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07223945A (ja) * | 1994-02-10 | 1995-08-22 | Snow Brand Milk Prod Co Ltd | 骨疾患治療剤 |
-
2003
- 2003-07-15 JP JP2003197229A patent/JP2005035895A/ja not_active Withdrawn
-
2004
- 2004-07-15 WO PCT/JP2004/010125 patent/WO2005005433A1/ja not_active Ceased
- 2004-07-15 US US10/564,367 patent/US20060173069A1/en not_active Abandoned
- 2004-07-15 EP EP04747591A patent/EP1650210A4/en not_active Withdrawn
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07223945A (ja) * | 1994-02-10 | 1995-08-22 | Snow Brand Milk Prod Co Ltd | 骨疾患治療剤 |
Non-Patent Citations (5)
| Title |
|---|
| NAGAI K. ET AL: "Application of Molecular Probes for Studying the Process of Differentiation and Expression of Biological Functions of the Cells Participating in Bone Metabolism", NIPPON NOGEI KAGAKU KAISHI, vol. 75, no. 2, 2001, pages 111 - 119, XP002981348 * |
| See also references of EP1650210A4 * |
| SHIMIZU T. ET AL: "Chemical modification of reveromycin A and its biological activities", BIOORGANIC & MEDICINAL CHEMISTRY LETTERS, vol. 12, no. 23, 2002, pages 3363 - 3366, XP002981347 * |
| WOO J. ET AL: "Reveromycin A Induces Apoptosis in Activated Osteoclasts, not in Inactivated", JOURNAL OF BONE AND MINERAL RESEARCH, vol. 16, no. SUPPL. 1, 2001, pages S383, XP002981349 * |
| WOO J. ET AL: "Reveromycin A Induces Osteoclast Apoptosis and Inhibits Bone Resorption", JOURNAL OF BONE AND MINERAL RESEARCH, vol. 14, no. SUPPL. 1, 1999, pages S360, XP002981350 * |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2005035895A (ja) | 2005-02-10 |
| EP1650210A4 (en) | 2007-07-18 |
| EP1650210A1 (en) | 2006-04-26 |
| US20060173069A1 (en) | 2006-08-03 |
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