JPH054368B2 - - Google Patents
Info
- Publication number
- JPH054368B2 JPH054368B2 JP24470590A JP24470590A JPH054368B2 JP H054368 B2 JPH054368 B2 JP H054368B2 JP 24470590 A JP24470590 A JP 24470590A JP 24470590 A JP24470590 A JP 24470590A JP H054368 B2 JPH054368 B2 JP H054368B2
- Authority
- JP
- Japan
- Prior art keywords
- blood pressure
- hydroxyvitamin
- present
- parts
- vitamin
- 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.)
- Expired - Lifetime
Links
- OFHCOWSQAMBJIW-AVJTYSNKSA-N alfacalcidol Chemical compound C1(/[C@@H]2CC[C@@H]([C@]2(CCC1)C)[C@H](C)CCCC(C)C)=C\C=C1\C[C@@H](O)C[C@H](O)C1=C OFHCOWSQAMBJIW-AVJTYSNKSA-N 0.000 claims description 7
- 239000008280 blood Substances 0.000 claims 1
- 210000004369 blood Anatomy 0.000 claims 1
- 230000036772 blood pressure Effects 0.000 description 9
- GMRQFYUYWCNGIN-NKMMMXOESA-N calcitriol Chemical group C1(/[C@@H]2CC[C@@H]([C@]2(CCC1)C)[C@@H](CCCC(C)(C)O)C)=C\C=C1\C[C@@H](O)C[C@H](O)C1=C GMRQFYUYWCNGIN-NKMMMXOESA-N 0.000 description 5
- 230000001105 regulatory effect Effects 0.000 description 4
- 239000007901 soft capsule Substances 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- -1 For example Chemical compound 0.000 description 3
- 239000002775 capsule Substances 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 2
- 229930003316 Vitamin D Natural products 0.000 description 2
- QYSXJUFSXHHAJI-XFEUOLMDSA-N Vitamin D3 Natural products C1(/[C@@H]2CC[C@@H]([C@]2(CCC1)C)[C@H](C)CCCC(C)C)=C/C=C1\C[C@@H](O)CCC1=C QYSXJUFSXHHAJI-XFEUOLMDSA-N 0.000 description 2
- 230000004071 biological effect Effects 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 239000003240 coconut oil Substances 0.000 description 2
- 235000019864 coconut oil Nutrition 0.000 description 2
- 235000014113 dietary fatty acids Nutrition 0.000 description 2
- 239000002552 dosage form Substances 0.000 description 2
- 229930195729 fatty acid Natural products 0.000 description 2
- 239000000194 fatty acid Substances 0.000 description 2
- 150000004665 fatty acids Chemical class 0.000 description 2
- 238000009472 formulation Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 238000011699 spontaneously hypertensive rat Methods 0.000 description 2
- 239000011710 vitamin D Substances 0.000 description 2
- 235000019166 vitamin D Nutrition 0.000 description 2
- 150000003710 vitamin D derivatives Chemical class 0.000 description 2
- 229940046008 vitamin d Drugs 0.000 description 2
- BJYLYJCXYAMOFT-RRXOBRNQSA-N (1r,3s,5z)-5-[(2e)-2-[(1r,3as,7ar)-1-[(2r)-5-hydroxy-6-methylheptan-2-yl]-7a-methyl-2,3,3a,5,6,7-hexahydro-1h-inden-4-ylidene]ethylidene]-4-methylidenecyclohexane-1,3-diol Chemical compound C1(/[C@@H]2CC[C@@H]([C@]2(CCC1)C)[C@H](C)CCC(O)C(C)C)=C\C=C1\C[C@@H](O)C[C@H](O)C1=C BJYLYJCXYAMOFT-RRXOBRNQSA-N 0.000 description 1
- 241000251468 Actinopterygii Species 0.000 description 1
- 206010061728 Bone lesion Diseases 0.000 description 1
- 206010006002 Bone pain Diseases 0.000 description 1
- 208000007530 Essential hypertension Diseases 0.000 description 1
- 108010010803 Gelatin Proteins 0.000 description 1
- 206010020772 Hypertension Diseases 0.000 description 1
- 208000013038 Hypocalcemia Diseases 0.000 description 1
- 208000000038 Hypoparathyroidism Diseases 0.000 description 1
- 241001465754 Metazoa Species 0.000 description 1
- 235000019483 Peanut oil Nutrition 0.000 description 1
- 241000700159 Rattus Species 0.000 description 1
- 208000003217 Tetany Diseases 0.000 description 1
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 1
- 201000006035 X-linked dominant hypophosphatemic rickets Diseases 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 239000004480 active ingredient Substances 0.000 description 1
- 239000013543 active substance Substances 0.000 description 1
- 230000007059 acute toxicity Effects 0.000 description 1
- 231100000403 acute toxicity Toxicity 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 239000007900 aqueous suspension Substances 0.000 description 1
- 230000004872 arterial blood pressure Effects 0.000 description 1
- WFZKUWGUJVKMHC-UKBUZQLGSA-N calcitetrol Chemical compound C1(/[C@@H]2CC[C@@H]([C@]2(CCC1)C)[C@@H](CC[C@@H](O)C(C)(C)O)C)=C\C=C1\C[C@@H](O)C[C@H](O)C1=C WFZKUWGUJVKMHC-UKBUZQLGSA-N 0.000 description 1
- 239000011612 calcitriol Substances 0.000 description 1
- 208000020832 chronic kidney disease Diseases 0.000 description 1
- 208000022831 chronic renal failure syndrome Diseases 0.000 description 1
- 229940110456 cocoa butter Drugs 0.000 description 1
- 235000019868 cocoa butter Nutrition 0.000 description 1
- 239000007891 compressed tablet Substances 0.000 description 1
- 235000005687 corn oil Nutrition 0.000 description 1
- 239000002285 corn oil Substances 0.000 description 1
- 235000012343 cottonseed oil Nutrition 0.000 description 1
- 239000002385 cottonseed oil Substances 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 235000019441 ethanol Nutrition 0.000 description 1
- 229960001617 ethyl hydroxybenzoate Drugs 0.000 description 1
- 235000010228 ethyl p-hydroxybenzoate Nutrition 0.000 description 1
- 239000004403 ethyl p-hydroxybenzoate Substances 0.000 description 1
- NUVBSKCKDOMJSU-UHFFFAOYSA-N ethylparaben Chemical compound CCOC(=O)C1=CC=C(O)C=C1 NUVBSKCKDOMJSU-UHFFFAOYSA-N 0.000 description 1
- 235000019688 fish Nutrition 0.000 description 1
- 229920000159 gelatin Polymers 0.000 description 1
- 239000008273 gelatin Substances 0.000 description 1
- 235000019322 gelatine Nutrition 0.000 description 1
- 235000011852 gelatine desserts Nutrition 0.000 description 1
- 235000011187 glycerol Nutrition 0.000 description 1
- 239000007902 hard capsule Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 230000000705 hypocalcaemia Effects 0.000 description 1
- 208000011111 hypophosphatemic rickets Diseases 0.000 description 1
- 210000004185 liver Anatomy 0.000 description 1
- 230000004060 metabolic process Effects 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 235000019198 oils Nutrition 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 208000005368 osteomalacia Diseases 0.000 description 1
- 239000000312 peanut oil Substances 0.000 description 1
- 239000008194 pharmaceutical composition Substances 0.000 description 1
- 235000010482 polyoxyethylene sorbitan monooleate Nutrition 0.000 description 1
- 239000000244 polyoxyethylene sorbitan monooleate Substances 0.000 description 1
- 229920000053 polysorbate 80 Polymers 0.000 description 1
- 229940068968 polysorbate 80 Drugs 0.000 description 1
- 239000003755 preservative agent Substances 0.000 description 1
- 230000002335 preservative effect Effects 0.000 description 1
- 239000007905 soft elastic gelatin capsule Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000002511 suppository base Substances 0.000 description 1
- 208000024891 symptom Diseases 0.000 description 1
- 239000003826 tablet Substances 0.000 description 1
- BJYLYJCXYAMOFT-RSFVBTMBSA-N tacalcitol Chemical compound C1(/[C@@H]2CC[C@@H]([C@]2(CCC1)C)[C@H](C)CC[C@@H](O)C(C)C)=C\C=C1\C[C@@H](O)C[C@H](O)C1=C BJYLYJCXYAMOFT-RSFVBTMBSA-N 0.000 description 1
- 235000010215 titanium dioxide Nutrition 0.000 description 1
- 150000003626 triacylglycerols Chemical class 0.000 description 1
- UFTFJSFQGQCHQW-UHFFFAOYSA-N triformin Chemical compound O=COCC(OC=O)COC=O UFTFJSFQGQCHQW-UHFFFAOYSA-N 0.000 description 1
- 208000032349 type 2B vitamin D-dependent rickets Diseases 0.000 description 1
- 235000015112 vegetable and seed oil Nutrition 0.000 description 1
- 239000008158 vegetable oil Substances 0.000 description 1
- 229930003231 vitamin Natural products 0.000 description 1
- 239000011782 vitamin Substances 0.000 description 1
- 229940088594 vitamin Drugs 0.000 description 1
- 235000013343 vitamin Nutrition 0.000 description 1
- 239000011647 vitamin D3 Substances 0.000 description 1
- QYSXJUFSXHHAJI-YRZJJWOYSA-N vitamin D3 Chemical compound C1(/[C@@H]2CC[C@@H]([C@]2(CCC1)C)[C@H](C)CCCC(C)C)=C\C=C1\C[C@@H](O)CCC1=C QYSXJUFSXHHAJI-YRZJJWOYSA-N 0.000 description 1
- 150000003722 vitamin derivatives Chemical class 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
Description
本発明は、1α−ヒドロキシビタミンD3類を含
有する血圧調節剤に関する。
近年、デルカ(De Luca)等及びコデイツク
(Kodiek)等の一連の研究の結果、ビタミンD3
の生体内活性物質が1α,25−ジヒドロキシビタ
ミンD3(以下1α,25−(OH)2−D3と略称する)で
あり、また1α位の水酸基の存在がその生物活性
の発現には必須であることが明らかにされた。以
後この活性型の1α,25−(OH)2−D3の類似体、
例えば1α−ヒドロキシビタミンD3(以下1α−
(OH)−D3と略称する)、1α,24−ジヒドロキシ
ビタミンD3(以下1α,24−(OH)2−D3と略称す
る)など多くの1α−ヒドロキシビタミンD3類を
合成され、1α,25−(OH)2−D3とともにそのビ
タミンD様生物活性が注目されており、1α−
(OH)−D3は慢性腎不全、副甲状腺機能低下症、
ビタミンD抵抗性クル病・骨軟化症におけるビタ
ミンD代謝異常を伴う諸症状(低カルシウム血
症、テタニー、骨痛、骨病変等)の改善に適応さ
れている。
本発明者等は、その後鋭意研究を続いた結果、
1α−ヒドロキシビタミンD3類に血圧調節作用の
あることを見出し、本発明を完成した。
即ち本発明は、1α−ヒドロキシビタミンD3類
の血圧調節剤に関する。
本発明において用いられる1α−ヒドロキシビ
タミンD3類とは
1α−(OH)−D3,
1α,25−(OH)2−D3,
1α,24S−(OH)2−D3,
1α,24R−(OH)2−D3,
1α,24S,25−(OH)3−D3,
1α,24R,25−(OH)3−D3,
1α,25S,26−(OH)3−D3,
1α,25R,26−(OH)3−D3,
1α,25−(OH)2−23−OXO−D3,
1α,25−(OH)2−24−OXO−D3,
1α,25S,26−(OH)3−23−OXO−D3,
1α,25R,26−(OH)3−23−OXO−D3,
1α,25S−(OH)2−D3−26,23S−lactone,
1α,25R−(OH)2−D3−26,23S−lactone,
1α−(OH)−24,25,26,27−tetraucr−23−
COOH−C3
などが含まれる。
これらの本物質は例えばU.S.Patent 3697559,
特開昭51−76252,特開昭51−76254,U.S,
Patent3741996,特開昭55−22655,特開昭55−
22656,特開昭56−61351,Arch.Biochem.
Biophys.,204,387(1981),H.F.De Luca,ビ
タミンD−[その新しい流れ],講談社,サイエン
テイフイク(1982)などに開示されている。
本発明においては光学異性体のいずれを用いて
もよく、又、二種以上を混合して用いてもよい。
本発明の血圧調節剤は活性成分として上記本物
質を含有して、下記に示す種々の製剤形態にて用
いられる。本発明の血圧調節剤は、経口的、非経
口的に投与される。
投与形態としては例えば、圧縮錠剤、被覆錠
剤、硬又は軟弾性ゼラチンカプセル、エチルアル
コール溶液、油性または水性溶液または懸濁液な
どが用いられる。
油性溶液の溶媒としては、植物油例えばヤシ
油、トウモロコシ油、綿実油、ココナツツ油、落
花生油、魚肝油、油状エステル例えばポリソルベ
ート80などを使用することができる。
直腸内投与の場合には坐剤ベース例えばカカオ
脂またはそのトリグリセライドなどを含む薬用組
成物とすることができる。
本物質は単位投与形態中、2×10-5乃至1×10
%、好ましくは2×10-4乃至1%を含有する。
又、投与量は0.1乃至104μg/日/人、好まし
くは0.5乃至103μg/日/人とすることができ
る。そして、上記量的関係が保持されるように、
1日1〜3回の投与回数となるように調製され
る。
以下、実施例により本発明を詳述する。
実施例 1
血圧調節作用
ヒトの本態性高血圧に最も近似し、高血圧モデ
ル動物として優れている自然発症高血圧ラツト
(SHR)に対して、中級脂肪酸のトリグリセライ
ドエステル(以下、MCTという)に溶解した本
物質を1μg/Kgとなるよう経口投与した。また、
対照群にはMCTのみを経口投与した。投与前、
投与後6時間及び12時間目に血圧測定器(ウエダ
製作所製、USM−105R型)を用いて血圧として
尾動脈圧を非観血的に測定した。
結果を下記表−1に示す。
結果は、各群20乃至25週齢のラツト5匹の平均
値で示した。
The present invention relates to a blood pressure regulator containing 1α-hydroxyvitamin D 3 . In recent years, as a result of a series of studies by De Luca et al. and Kodiek et al., vitamin D3
The active substance in the body is 1α,25-dihydroxyvitamin D 3 (hereinafter abbreviated as 1α,25-(OH) 2 -D 3 ), and the presence of a hydroxyl group at the 1α position is essential for the expression of its biological activity. It was revealed that. Hereafter analogs of this active form of 1α,25-(OH) 2 -D 3 ,
For example, 1α-hydroxyvitamin D 3 (hereinafter 1α-
(OH)-D 3 ), 1α,24-dihydroxyvitamin D 3 (hereinafter abbreviated as 1α,24-(OH) 2 -D 3 ), and many other 1α-hydroxyvitamin D 3 types. Along with 1α,25−(OH) 2 −D 3 , its vitamin D-like biological activity has attracted attention, and 1α−
(OH)-D 3 is chronic renal failure, hypoparathyroidism,
It is indicated for improving various symptoms associated with abnormal vitamin D metabolism (hypocalcemia, tetany, bone pain, bone lesions, etc.) in vitamin D-resistant rickets and osteomalacia. As a result of continued intensive research, the inventors found that
The present invention was completed based on the discovery that 1α-hydroxyvitamin D type 3 has a blood pressure regulating effect. That is, the present invention relates to a blood pressure regulating agent of the 1α-hydroxyvitamin D 3 class. What is the 1α - hydroxyvitamin D type 3 used in the present invention? −(OH) 2 −D 3 , 1α, 24S, 25−(OH) 3 −D 3 , 1α, 24R, 25−(OH) 3 −D 3 , 1α, 25S, 26−(OH) 3 −D 3 , 1α, 25R, 26−(OH) 3 −D 3 , 1α, 25−(OH) 2 −23−OXO−D 3 , 1α, 25−(OH) 2 −24−OXO−D 3 , 1α, 25S ,26−(OH) 3 −23−OXO−D 3 , 1α,25R,26−(OH) 3 −23−OXO−D 3 , 1α,25S−(OH) 2 −D 3 −26,23S−lactone , 1α,25R−(OH) 2 −D 3 −26,23S−lactone, 1α−(OH)−24,25,26,27−tetraucr−23−
Includes COOH- C3 , etc. These substances are, for example, US Patent 3697559,
JP 51-76252, JP 51-76254, US,
Patent3741996, JP-A-55-22655, JP-A-55-
22656, JP-A-56-61351, Arch.Biochem.
Biophys., 204 , 387 (1981), HFDe Luca, Vitamin D - [The New Trend], Kodansha, Scientific (1982), etc. In the present invention, any of the optical isomers may be used, or two or more types may be used as a mixture. The blood pressure regulating agent of the present invention contains the above substance as an active ingredient and is used in various formulations shown below. The blood pressure regulator of the present invention is administered orally or parenterally. Examples of dosage forms that can be used include compressed tablets, coated tablets, hard or soft elastic gelatin capsules, ethyl alcohol solutions, oily or aqueous solutions or suspensions. As solvents for oily solutions, vegetable oils such as coconut oil, corn oil, cottonseed oil, coconut oil, peanut oil, fish liver oil, oily esters such as polysorbate 80, etc. can be used. For rectal administration, the pharmaceutical composition may include a suppository base, such as cocoa butter or its triglycerides. The substance may be present in unit dosage form between 2 x 10 -5 and 1 x 10
%, preferably 2×10 −4 to 1%. Further, the dosage can be 0.1 to 10 4 μg/day/person, preferably 0.5 to 10 3 μg/day/person. Then, so that the above quantitative relationship is maintained,
The drug is prepared so that it can be administered 1 to 3 times a day. Hereinafter, the present invention will be explained in detail with reference to Examples. Example 1 Blood pressure regulating effect This substance dissolved in triglyceride ester of intermediate fatty acids (hereinafter referred to as MCT) was used in spontaneously hypertensive rats (SHR), which most closely resembles essential hypertension in humans and is an excellent model animal for hypertension. was orally administered at a concentration of 1 μg/Kg. Also,
MCT alone was orally administered to the control group. Before administration,
At 6 and 12 hours after administration, tail artery pressure was measured non-invasively as blood pressure using a blood pressure measuring device (manufactured by Ueda Seisakusho, model USM-105R). The results are shown in Table 1 below. The results are shown as the average value of 5 rats aged 20 to 25 weeks in each group.
【表】
なお、1α−(OH)−D3,1α,24R−(OH)2−
D3,1α,25−(OH)2−D3の経口投与による急性
毒性値(LD50)はそれぞれ680,2500<,2000μ
g/Kgであつたので、1α−ヒドロキシビタミン
D3類は血圧調節剤として有用であることが示さ
れた。
実施例 2
1α−(OH)−D3をパナセート800(日本油脂製、
中級脂肪酸のトリグリセライド)に10μg/mlの
濃度に溶解し、1カプセル中に1α−(OH)−D3を
1μg含有するように下記剤皮成分を加温溶解し、
軟カプセル製造機を用いて常法により軟カプセル
剤を作成した。
剤皮処方例
ゼラチン 10重量部
グリセリン 2重量部
防腐剤(エチルパラベン) 0.05重量部
チタンホワイト 0.2重量部
水 0.2重量部
(最終形態に於ける重量部)
実施例 3
実施例2の1α−(OH)−D3に代えて、1α,25
−(OH)2−D3を用い、以下同様にして1α,25−
(OH)2−D3を1カプセル当り1μgを含有する軟
カプセル剤を得た。
実施例 4
実施例2の1α−(OH)−D3に代えて、1α,24R
−(OH)2−D3を用い、以下同様にして1α,24R
−(OH)2−D3を1カプセル当り1μgを含有する
軟カプセル剤を得た。[Table] In addition, 1α−(OH)−D 3 , 1α, 24R−(OH) 2 −
The acute toxicity values (LD 50 ) of D 3 , 1α, 25−(OH) 2 −D 3 after oral administration are 680, 2500<, and 2000μ, respectively.
g/Kg, so 1α-hydroxyvitamin
Class D3 has been shown to be useful as a blood pressure regulator. Example 2 1α-(OH)-D 3 was added to Panacet 800 (NOF Co., Ltd.,
One capsule contains 1α-(OH) -D3 dissolved in triglyceride (intermediate fatty acid) at a concentration of 10μg/ml.
Dissolve the following skin components by heating to contain 1μg,
Soft capsules were prepared in a conventional manner using a soft capsule making machine. Shell formulation example Gelatin 10 parts by weight Glycerin 2 parts by weight Preservative (ethylparaben) 0.05 parts by weight Titanium white 0.2 parts by weight Water 0.2 parts by weight (parts by weight in final form) Example 3 1α-(OH of Example 2) )−D 1α, 25 instead of 3
Using −(OH) 2 −D 3 , 1α, 25−
Soft capsules containing 1 μg of (OH) 2 -D 3 per capsule were obtained. Example 4 In place of 1α-(OH)-D 3 in Example 2, 1α,24R
Using −(OH) 2 −D 3 , 1α, 24R in the same manner
Soft capsules containing 1 μg of -(OH) 2 -D 3 per capsule were obtained.
Claims (1)
とを特徴とする血圧低下剤。1. A blood pressure-lowering agent characterized by containing 3 types of 1α-hydroxyvitamin D.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP24470590A JPH03169817A (en) | 1983-08-02 | 1990-09-14 | Blood pressure regulating agent containing 1alpha-hydroxyvitamin d3 compounds |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14132383A JPS6045516A (en) | 1983-08-02 | 1983-08-02 | Physiologically active agent containing 1alpha- hydroxyvitamin d3 |
| JP24470590A JPH03169817A (en) | 1983-08-02 | 1990-09-14 | Blood pressure regulating agent containing 1alpha-hydroxyvitamin d3 compounds |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14132383A Division JPS6045516A (en) | 1983-08-02 | 1983-08-02 | Physiologically active agent containing 1alpha- hydroxyvitamin d3 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH03169817A JPH03169817A (en) | 1991-07-23 |
| JPH054368B2 true JPH054368B2 (en) | 1993-01-19 |
Family
ID=26473576
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP24470590A Granted JPH03169817A (en) | 1983-08-02 | 1990-09-14 | Blood pressure regulating agent containing 1alpha-hydroxyvitamin d3 compounds |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH03169817A (en) |
-
1990
- 1990-09-14 JP JP24470590A patent/JPH03169817A/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPH03169817A (en) | 1991-07-23 |
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