TWI358299B - Improved toleration iron supplement compositions - Google Patents
Improved toleration iron supplement compositions Download PDFInfo
- Publication number
- TWI358299B TWI358299B TW095135061A TW95135061A TWI358299B TW I358299 B TWI358299 B TW I358299B TW 095135061 A TW095135061 A TW 095135061A TW 95135061 A TW95135061 A TW 95135061A TW I358299 B TWI358299 B TW I358299B
- Authority
- TW
- Taiwan
- Prior art keywords
- iron
- composition
- ferrous
- pic
- salt
- Prior art date
Links
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 title claims description 101
- 229910052742 iron Inorganic materials 0.000 title claims description 52
- 239000000203 mixture Substances 0.000 title claims description 36
- 239000013589 supplement Substances 0.000 title claims description 13
- 229940078042 polysaccharide iron complex Drugs 0.000 claims description 29
- BAUYGSIQEAFULO-UHFFFAOYSA-L iron(2+) sulfate (anhydrous) Chemical compound [Fe+2].[O-]S([O-])(=O)=O BAUYGSIQEAFULO-UHFFFAOYSA-L 0.000 claims description 21
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 claims description 20
- CIWBSHSKHKDKBQ-JLAZNSOCSA-N Ascorbic acid Chemical compound OC[C@H](O)[C@H]1OC(=O)C(O)=C1O CIWBSHSKHKDKBQ-JLAZNSOCSA-N 0.000 claims description 10
- 238000010521 absorption reaction Methods 0.000 claims description 9
- 206010022971 Iron Deficiencies Diseases 0.000 claims description 7
- 235000003891 ferrous sulphate Nutrition 0.000 claims description 6
- 239000011790 ferrous sulphate Substances 0.000 claims description 6
- 229910000359 iron(II) sulfate Inorganic materials 0.000 claims description 6
- -1 polyethylene Polymers 0.000 claims description 6
- 239000000546 pharmaceutical excipient Substances 0.000 claims description 4
- 235000010323 ascorbic acid Nutrition 0.000 claims description 3
- 239000011668 ascorbic acid Substances 0.000 claims description 3
- 229960005070 ascorbic acid Drugs 0.000 claims description 3
- 239000003623 enhancer Substances 0.000 claims description 3
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- 239000005017 polysaccharide Substances 0.000 claims description 3
- OGYSYXDNLPNNPW-UHFFFAOYSA-N 4-butoxy-4-oxobutanoic acid Chemical compound CCCCOC(=O)CCC(O)=O OGYSYXDNLPNNPW-UHFFFAOYSA-N 0.000 claims description 2
- 150000004676 glycans Chemical class 0.000 claims 2
- KZNICNPSHKQLFF-UHFFFAOYSA-N succinimide Chemical compound O=C1CCC(=O)N1 KZNICNPSHKQLFF-UHFFFAOYSA-N 0.000 claims 2
- 239000004698 Polyethylene Substances 0.000 claims 1
- 150000001720 carbohydrates Chemical class 0.000 claims 1
- 150000002505 iron Chemical class 0.000 claims 1
- 229920000573 polyethylene Polymers 0.000 claims 1
- 150000003839 salts Chemical class 0.000 claims 1
- 239000000126 substance Substances 0.000 claims 1
- 229960002317 succinimide Drugs 0.000 claims 1
- 208000007502 anemia Diseases 0.000 description 9
- 210000004369 blood Anatomy 0.000 description 9
- 239000008280 blood Substances 0.000 description 9
- PMVSDNDAUGGCCE-TYYBGVCCSA-L Ferrous fumarate Chemical compound [Fe+2].[O-]C(=O)\C=C\C([O-])=O PMVSDNDAUGGCCE-TYYBGVCCSA-L 0.000 description 8
- 229960000225 ferrous fumarate Drugs 0.000 description 8
- 235000002332 ferrous fumarate Nutrition 0.000 description 8
- 239000011773 ferrous fumarate Substances 0.000 description 8
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- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 4
- 238000002560 therapeutic procedure Methods 0.000 description 4
- 241000124008 Mammalia Species 0.000 description 3
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- 206010067484 Adverse reaction Diseases 0.000 description 2
- ZZZCUOFIHGPKAK-UHFFFAOYSA-N D-erythro-ascorbic acid Natural products OCC1OC(=O)C(O)=C1O ZZZCUOFIHGPKAK-UHFFFAOYSA-N 0.000 description 2
- RGHNJXZEOKUKBD-SQOUGZDYSA-N D-gluconic acid Chemical compound OC[C@@H](O)[C@@H](O)[C@H](O)[C@@H](O)C(O)=O RGHNJXZEOKUKBD-SQOUGZDYSA-N 0.000 description 2
- 102000003951 Erythropoietin Human genes 0.000 description 2
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- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- OXCMYAYHXIHQOA-UHFFFAOYSA-N potassium;[2-butyl-5-chloro-3-[[4-[2-(1,2,4-triaza-3-azanidacyclopenta-1,4-dien-5-yl)phenyl]phenyl]methyl]imidazol-4-yl]methanol Chemical compound [K+].CCCCC1=NC(Cl)=C(CO)N1CC1=CC=C(C=2C(=CC=CC=2)C2=N[N-]N=N2)C=C1 OXCMYAYHXIHQOA-UHFFFAOYSA-N 0.000 description 2
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- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- 241001391944 Commicarpus scandens Species 0.000 description 1
- RGHNJXZEOKUKBD-UHFFFAOYSA-N D-gluconic acid Natural products OCC(O)C(O)C(O)C(O)C(O)=O RGHNJXZEOKUKBD-UHFFFAOYSA-N 0.000 description 1
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- 206010015548 Euthanasia Diseases 0.000 description 1
- VTLYFUHAOXGGBS-UHFFFAOYSA-N Fe3+ Chemical compound [Fe+3] VTLYFUHAOXGGBS-UHFFFAOYSA-N 0.000 description 1
- 102000008857 Ferritin Human genes 0.000 description 1
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- 241000282412 Homo Species 0.000 description 1
- 206010049976 Impatience Diseases 0.000 description 1
- 102000008133 Iron-Binding Proteins Human genes 0.000 description 1
- 108010035210 Iron-Binding Proteins Proteins 0.000 description 1
- PIWKPBJCKXDKJR-UHFFFAOYSA-N Isoflurane Chemical compound FC(F)OC(Cl)C(F)(F)F PIWKPBJCKXDKJR-UHFFFAOYSA-N 0.000 description 1
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- 108090000901 Transferrin Proteins 0.000 description 1
- 208000025865 Ulcer Diseases 0.000 description 1
- JGFWOYUINPNTKU-UHFFFAOYSA-L [Ru](Cl)Cl.[Ru] Chemical compound [Ru](Cl)Cl.[Ru] JGFWOYUINPNTKU-UHFFFAOYSA-L 0.000 description 1
- 230000002745 absorbent Effects 0.000 description 1
- 239000002250 absorbent Substances 0.000 description 1
- 230000009056 active transport Effects 0.000 description 1
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- 230000004596 appetite loss Effects 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 238000011888 autopsy Methods 0.000 description 1
- 210000003651 basophil Anatomy 0.000 description 1
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- 229910052797 bismuth Inorganic materials 0.000 description 1
- JCXGWMGPZLAOME-UHFFFAOYSA-N bismuth atom Chemical compound [Bi] JCXGWMGPZLAOME-UHFFFAOYSA-N 0.000 description 1
- 230000000740 bleeding effect Effects 0.000 description 1
- 230000017531 blood circulation Effects 0.000 description 1
- 210000001772 blood platelet Anatomy 0.000 description 1
- 208000027503 bloody stool Diseases 0.000 description 1
- MDXRFOWKIZPNTA-UHFFFAOYSA-L butanedioate;iron(2+) Chemical compound [Fe+2].[O-]C(=O)CCC([O-])=O MDXRFOWKIZPNTA-UHFFFAOYSA-L 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
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- 210000003608 fece Anatomy 0.000 description 1
- 229940041553 ferrex-150 Drugs 0.000 description 1
- 229910001447 ferric ion Inorganic materials 0.000 description 1
- 235000013924 ferrous gluconate Nutrition 0.000 description 1
- 239000004222 ferrous gluconate Substances 0.000 description 1
- 229960001645 ferrous gluconate Drugs 0.000 description 1
- 229960001604 ferrous succinate Drugs 0.000 description 1
- 239000001530 fumaric acid Substances 0.000 description 1
- 210000001156 gastric mucosa Anatomy 0.000 description 1
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- 210000001035 gastrointestinal tract Anatomy 0.000 description 1
- 239000000174 gluconic acid Substances 0.000 description 1
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- 238000001990 intravenous administration Methods 0.000 description 1
- DTVKDCLRVWKMKA-CVBJKYQLSA-L iron(2+);(z)-octadec-9-enoate Chemical compound [Fe+2].CCCCCCCC\C=C/CCCCCCCC([O-])=O.CCCCCCCC\C=C/CCCCCCCC([O-])=O DTVKDCLRVWKMKA-CVBJKYQLSA-L 0.000 description 1
- VRIVJOXICYMTAG-IYEMJOQQSA-L iron(ii) gluconate Chemical compound [Fe+2].OC[C@@H](O)[C@@H](O)[C@H](O)[C@@H](O)C([O-])=O.OC[C@@H](O)[C@@H](O)[C@H](O)[C@@H](O)C([O-])=O VRIVJOXICYMTAG-IYEMJOQQSA-L 0.000 description 1
- 229960002725 isoflurane Drugs 0.000 description 1
- 208000017169 kidney disease Diseases 0.000 description 1
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- 235000021266 loss of appetite Nutrition 0.000 description 1
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- 229940016286 microcrystalline cellulose Drugs 0.000 description 1
- 235000013336 milk Nutrition 0.000 description 1
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- 210000004080 milk Anatomy 0.000 description 1
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- 235000018343 nutrient deficiency Nutrition 0.000 description 1
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 description 1
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 description 1
- 239000006186 oral dosage form Substances 0.000 description 1
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- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 description 1
- 239000012581 transferrin Substances 0.000 description 1
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Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K33/00—Medicinal preparations containing inorganic active ingredients
- A61K33/24—Heavy metals; Compounds thereof
- A61K33/26—Iron; Compounds thereof
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K31/00—Medicinal preparations containing organic active ingredients
- A61K31/33—Heterocyclic compounds
- A61K31/335—Heterocyclic compounds having oxygen as the only ring hetero atom, e.g. fungichromin
- A61K31/365—Lactones
- A61K31/375—Ascorbic acid, i.e. vitamin C; Salts thereof
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K31/00—Medicinal preparations containing organic active ingredients
- A61K31/70—Carbohydrates; Sugars; Derivatives thereof
- A61K31/715—Polysaccharides, i.e. having more than five saccharide radicals attached to each other by glycosidic linkages; Derivatives thereof, e.g. ethers, esters
- A61K31/716—Glucans
- A61K31/721—Dextrans
-
- 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
- A61P3/02—Nutrients, e.g. vitamins, minerals
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P7/00—Drugs for disorders of the blood or the extracellular fluid
- A61P7/06—Antianaemics
Landscapes
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Pharmacology & Pharmacy (AREA)
- Veterinary Medicine (AREA)
- Public Health (AREA)
- General Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- Medicinal Chemistry (AREA)
- Epidemiology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- General Chemical & Material Sciences (AREA)
- Hematology (AREA)
- Diabetes (AREA)
- Bioinformatics & Cheminformatics (AREA)
- Molecular Biology (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Obesity (AREA)
- Nutrition Science (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
- Medicines That Contain Protein Lipid Enzymes And Other Medicines (AREA)
Description
1358299 九、發明說明: 【發明所屬之技術領域】 本發明疋關於治療或預防哺乳類動物(更明確地說是人類)之缺鐵 症的組合物’本發明是藉㈣包含有效冑丨量之藥學上可接受的亞鐵鹽 以及多醣鐵錯合物的組合物,施加在缺鐵'或潛在性缺鐵的哺乳類動 物0 【先前技術】 缺鐵性貧血是最為常見的貧血症,且或許是全世界最普遍的營養缺 乏症。缺鐵性貧血與飲食中的鐵不足、身體吸收鐵不佳,和(或)失血有 關。這些情形通常是因為下列發生在人類或其它哺乳動物的多種生理 事件之影響或與其相關,例如生長、懷孕、餘,又或者與多種病理 事件相關,譬如出血、食物缺乏。缺鐵性貧血影響約2〇%的女性、約 50%懷孕女性以及約3〇〇/0的男性。 由於儲存在體内的鐵被耗損會發展成貧血,且女性體内的鐵儲量一 般較男性少(由於月經增加其鐵的流失),女性受貧血影響的風險要比男 性高。然而,如果男性和停經後女性由於潰瘍或某種癌症,或者使用 非類固醇抗發炎藥物(NSAIDS)所導致腸胃失血,亦為貧血症高風險 群。此外,病患接受紅血球生成素(Erythropoietin,EPO)療法(例如:串 有各類腎臟病的病患)時’由於製造新紅血球使得鐵的用量增加而耗損 鐵的存量,使他們亦易患有缺血性貧血症。因此貧血症的^風險群= 括停經前女性、懷孕或哺乳婦女(因為鐵的需求增加)、嬰兒、孩童或迅 速成長(也因此增加鐵的需求)的青少年、飲食上對鐵的攝取不^二男性 和女性、具有會導致腸胃失血之疾病或情形的病患,與高瑟氏病 (Gaucher disease)的患者。 若血液内沒有充足的鐵,紅血球無法有效率地攜帶氧流經身體,這 氧是細胞之正常功能所必需。常見的貧血症狀包括以下一項戋多項这 蒼白、疲勞、急躁、虛弱、呼吸急促,舌發酸、指曱易斷、異食症dud food cravings)、食慾不振、頭疼、鞏膜發藍。缺鐵性貧血的診斷一般藉 由下列症狀確認:低血容比及血紅素、小紅血球、低鐵蛋白J, 5 1358299 蛋白飽和度、低血清鐵濃度、高的鐵結合力、和血便。 除了辨別缺鐵的原因,貧血的治療一般牵涉到施予鐵補充物,通常 配上同時投藥維他命c以增進鐵的吸收。雖說鐵補充劑的施用視需要 可藉由靜脈沒射或肌肉注射’或最好是藉由高埘受性的口服劑形式。 鐵離子(亞鐵)口服劑形式,譬如通常使用硫酸亞鐵、葡萄糖酸亞鐵、號 拍酸亞鐵和反丁烯二酸亞鐵,是因為亞鐵形式的鐵比起較不易溶解的 鐵型式具有較佳的吸收力,後者會在人體内沉殿 ° Schmitt, J. of Renal &Μ〇η,2, 126-128 (1992)。這些亞鐵補充物在空腹時的吸收率是最好 的。然而對許多人來說因為腸胃副作用並無法忍受這種補充物;有些 φ 人會和食物一起採口服型式製劑。然而,某些種類的食物(例如牛奶製 品和其它含高鈣食品)會減少鐵的吸收效率,且對患者來說,此腸胃副 作用限制其可服用之鐵補充物的數量。此外,維他命C對某些病患來 說最好能避免(特別是接受透析的病患)。 另一種鐵離子口服劑形式為多醣體鐵錯合物(PIC),已知其增進血 紅素和血比容值如硫酸亞鐵和(或)反丁烯二酸亞鐵具同等效力,但更具 耐受度。Newton et al” Clinical Trials Journal,17,106-111 (1980); Piccinni et al” Pan. Med_,24,210-220 (1982)。PIC是鐵離子和醣的合成複合物。 PIC並不會受到亞鐵離子補充物之缺點所影響,不會迅速地離子化並且 與腸道内抑制基質結合,仍能保持溶解狀態足以越過腸道的黏膜障 Φ 壁。據信PIC可經由主動運送機構被吸收,其中鐵是在腸黏膜的表面 運送至載體以便運送到血流裡。和硫酸亞鐵相比,PZC亦產生較少的腸 胃副作用。Johnson et al.,“A Prospective Open-Label Study Evaluating the Efficacy and Adverse Reactions of the use of Niferex®”。然而 PIC 和亞鐵 離子補充物相比是相對昂貴的。 因此’雖然已知亞鐵鹽和PIC均是能有效治療缺鐵性貧血的口服鐵 補充物’兩者被視為可替換的治療方法:如果病患對於使用較便宜的 亞鐵鹽有腸胃副作用的困擾’則其食物療法可用較貴卻有較佳耐受性 的PIC食物療法取而代之以達到相同的效果。如果病患缺乏必需的载 體而影響PIC的吸收,則可使用亞鐵鹽食物療法。 6 1358299 【發明内容】 • 本發明人發現’施予含有亞鐵鹽以及Pic兩者的口服鐵補充物,可 提供一種出奇耐受的治療缺血性貧血之方法,且提出一種可施予多種 病患的組合物’而不論其經由特定生理機構吸收鐵的能力。具體來說, 本發明之組合物可提供具療效之血鐵濃度,不論患者經由特定吸收機 構所吸收鐵的能力,而有意想不到的更多耐受性。如果病患無法吸收 亞鐵鹽(例如,由於抗壞血酸濃度低、腸胃副作用等等),則可從本發明 之組合物所施予的PIC獲得充足的鐵。如果病患因為後段消化道(腸道) 缺乏運鐵蛋白以致無法吸收PIC,則藉由施予亞鐵鹽可獲取充份的鐵。 • 依此發現,本發明疋關於用來治療或預防缺鐵症的口服鐵補充物, 包括: 有效劑量的藥學上可接受之亞鐵鹽;以及 有效劑量之多醣鐵錯合物。 本發明亦關於一種治療或預防缺鐵症的方法,包括: 對病患施予有效劑量之組合物,其包括 一有效劑量的藥學上可接受之亞鐵鹽;以及 一有效劑量之多醣鐵錯合物。 g 【實施方式】 承上所述,本發明是關於有效劑量的藥學上可接受之亞鐵鹽;以及 有效劑量^多醣鐵錯合物。此組合物亦包含有效劑量之鐵=散增進 劑’如抗壞血酸及藥學上可接受之載體、黏結劑或賦形劑,譬如微晶 型纖維素、甘醇酸澱粉鈉(sodium starch glyco丨ate)、硬脂酸鎮乙醇、 水或其衍生物β 該亞鐵鹽可為任何傳統上用來治療缺鐵貧血症的亞鐵鹽,但最好是 由反丁烯二酸亞鐵、葡萄糖酸亞鐵、硫酸亞鐵和 組群所選出。已知反丁缚二酸亞鐵可得到特別合適的結果:组= 的總重量為基準,亞鐵鹽-般約以30威到32辦%範圍的數量呈現, 7 1358299 更具體為20 wt°/。到25 wt°/。範圍呈現。 此多醣鐵錯合物(PIC)可包括適用於鐵補充物的任一適當PIC化合 物,譬如 Niferex®所賣的 FerUs 150、Iferex 150、Ferrex 150、Myferon 150 和 Polyiron 150°PIC —般以 38 wt°/〇到 46 wt°/〇的鐵存於pic 中呈現, 更明確地說是以該組合物的80 wt%到85 wt%所呈現。 如組合物中有鐵增進劑,以組合物的總重量為基準,最好是以介於 5 wt%到10 wt°/〇範圍間。或者另一替換方式,可和亞鐵離子_pic組合 物分開來另外施予鐵增進劑。
如果組合物中有黏合劑、載體、或賦形劑,以組合物的總重量為基 準,其數量介於5 wt%到10 wt%範圍間。 為了表現出藉由使用亞鐵鹽和PIC可獲得意想不到之有利結果,並 為了進一步解釋本發明的組合物和方法,依發明人之指示進行以下諸 試驗。 範例 為比較反丁烯二酸亞鐵之鐵吸收和耐受性特徵,施予487mg/mL的 組合物(比較組合物)’以及348 mg/mL含有反丁稀二酸亞鐵和pIC的組 合物(本發明的組合物)’並將SpragueDawley Crl : CD(SD)實驗用大鼠 隨機指派成三個群組,如以下表格所示:
表格 編號 動物編號 測試材料 劑 量 (mgFe/kg) 劑 量 (mL/kg) 劑 量 (mgFe/mL) 公 母 1 10 10 RO水 0 7.7 〇 2 10 10 反丁烯二酸亞錯 500 6.42 77.92 3 10 10 反丁烯二酸亞鐵 250 3.2 77.92 — PIC 250 4.5 55.68 測試材料溶液或載具控制每天以口服灌食 動物最新的體重資料做計算基準。 < 每曰執行一般健康/死亡和垂死查驗兩次, 一次,且各個劑量以每個 且於第1、8和15天下藥 8 仔細臨床觀察。於第丨、7和14天時評估動物的血液學參數β ,在這些天數裡執行採血以供血清鐵濃度計算,並且當動物被輕微異 氟醚麻醉時經由眼血管叢獲得血液樣本。所有動物依排定的安樂死經 完整驗屍檢驗。 用於血液學測試的血液樣本控制在200#L,於試管内含有抗擬劑 fEDTA ’並4算紅血球數量(Rgc)、血紅素阳b)濃度血容比(Hct)、 平均紅血球容積(MCV)、平均紅金球血紅素量(]^(:11) '綱狀紅血球計數 (Retie)、紅血球形態學、白血球數量(WBC)、嗜中性球數量叫淋 巴球數量(Lymph)、單核球數量(Mono)、嗜酸性球數量(Eos)和嗜鹼性球 數置(Baso)。在血清分離器試管中抽取11血液樣本測量血清鐵。 分葉嗜中性球、血小板和淋巴球以類似方法在群組2和3改變,表 示對亞鐵的免疫反應和本發明的組合物是大約相同的。群組2和3在 血清鐵亦顯示相似的顯著增加。然而,群組2展現出和群組3不同的 總整内部變化,主要像是體脂肪消耗、甲狀腺瘤、紅腫下顎淋巴結、 紅腫的胃黏膜、小胸腺、胸腺的病灶和深色糞便的問題。對照之下, 群組3所顯示之總體内部觀察結果只有變紅的胸腺和深色糞便的問 題。以這些結果作為基礎,結論是這兩種組合物對增加血清鐵濃度提 供相同的效率’但群組3的材料(也就是本發明的組合物)比起只使用反 丁烯二酸亞鐵有顯著較佳的耐受性,即使反丁烯二酸亞鐵的劑量濃度 在這兩個組合物令是相同的。換句話說,該結果支持以下結論:額外 添加PIC到反丁烯二酸亞鐵裡出乎意料地可讓相同濃度的反丁烯二酸 亞鐵比起沒有添加PIC有更好的耐受性 不受限於任何特定理論,本發明之組合物所表現出的耐受性增加, 據信是由於該組合物中的總鐵含量分配於不同化合物所導致,藉由兩 個不同的機構將鐵供給病患血流。藉由直接溶解並由血流吸收亞鐵離 子,該亞鐵離子鹽迅速地在前段消化道(胃内)被吸收。從PIC而來的鐵 是在腸道經由主動蛋白(active protein)運輸機構被吸收。雖然吸收機構 的如此差異所導致耐受性增加的原因還不是很清楚,咸信其結果可推 廣至與PIC合併施用時的任何藥學上可接受之離子鐵鹽。 1358299
本發明組合物之施用劑量最好是起自4.0 mg/kg的亞鐵鹽(也就是反 . 丁烯二酸亞鐵),以及4.0 mg/kg的PIC,更明確地是起自1〇.〇 mg/kg的 亞鐵鹽以及10.0 mg/kg的PIC,以便使血清鐵濃度的上升有更好的效 率’同時避免逆反應。此組合物一般來說是以液體或酏劑施行,並與 乙醇和水為賦形劑結合,濃度約為20mg/ml到600mg/ml的反丁稀二 酸亞鐵’以及約為20 mg/ml到600 mg/ml的PIC。熟知本技藝之人士 應能理解,所施用之各個成分的濃度視缺鐵症程度而定。然而總施行 量不應超過反丁烯二酸亞鐵(約200-250 mg/kg)或PIC(約500 mg/kg)的 毒性閥限。 • 【圖式簡單說明】 & 【主要元件符號說明】 無
Claims (1)
- 十、申請專利範園: — 1. 一種做為治療或預防缺鐵症的可口服鐵補充組合物係包括: 一有效劑量的藥學上可接受之亞鐵鹽;以及 46 劑量之多醣鐵錯合物,其中該多醣鐵錯合物含有38奶%至 2.如申„月專利範圍第j項之組合物其中衍生自該藥學上 鐵鹽的鐵含量與街生自該多醣鐵錯合物的鐵含量相同。 申叫專彳丨範圍第丨項之組合物’進-步包括藥學上可接受結 劑、賦形劑或載體。 4. 利範圍第1項之組合物’其中進—步包括有效劑量之鐵吸 5. 組合物’其中該鐵吸收增進劑是抗壞血酸 6· 第4項之組合物’其中該鐵吸收增進劑的含量以該 、s物之總重《為基準,範_為5福到IGwt%之間。 7. ^申,專利範圍第丨項之組合物,其中該亞鐵鹽是選自*硫酸亞鐵、 反丁細二酸亞鐵、琥峨亞鐵和㈣糖酸亞鐵所組成之群組。 8. 如申睛專她圍第7項之組合物,其巾亞鐵鹽是反丁稀二酸亞鐵。 11
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| US11/243,043 US20070077313A1 (en) | 2005-10-04 | 2005-10-04 | Toleration iron supplement compositions |
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| CU (1) | CU23776B7 (zh) |
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| US7658938B2 (en) | 1999-02-22 | 2010-02-09 | Merrion Reasearch III Limited | Solid oral dosage form containing an enhancer |
| ES2426445T3 (es) * | 2006-04-07 | 2013-10-23 | Merrion Research Iii Limited | Forma de dosificación oral sólida que contiene un potenciador |
| KR20110007614A (ko) * | 2008-05-07 | 2011-01-24 | 메리온 리서치 Ⅲ 리미티드 | GnRH 관련 화합물의 조성물 및 제조 방법 |
| JP2012518686A (ja) * | 2009-02-25 | 2012-08-16 | メリオン・リサーチ・Iii・リミテッド | ビスホスホネート類の組成物および薬物送達 |
| US20110182985A1 (en) * | 2010-01-28 | 2011-07-28 | Coughlan David C | Solid Pharmaceutical Composition with Enhancers and Methods of Preparing thereof |
| WO2011120033A1 (en) * | 2010-03-26 | 2011-09-29 | Merrion Research Iii Limited | Pharmaceutical compositions of selective factor xa inhibitors for oral administration |
| AU2012204213A1 (en) * | 2011-01-07 | 2013-06-13 | Merrion Research Iii Limited | Pharmaceutical compositions of iron for oral administration |
| CN102167752B (zh) * | 2011-05-23 | 2012-08-08 | 华南理工大学 | 一种水溶性大豆多糖亚铁配合物的制备方法 |
| WO2015198304A1 (en) | 2014-06-22 | 2015-12-30 | Dexcel Pharma Technologies Ltd. | Pharmaceutical compositions comprising ferric citrate and methods for the production thereof |
| ES2975708T3 (es) | 2015-01-29 | 2024-07-12 | Novo Nordisk As | Comprimidos que comprenden agonista del GLP-1 y recubrimiento entérico |
| WO2022198329A1 (en) * | 2021-03-26 | 2022-09-29 | Alberta Veterinary Laboratories Ltd. | Water-based iron supplement formulations for dosing animal neonates |
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| US3821192A (en) * | 1971-08-18 | 1974-06-28 | Central Pharmacal Co | Process for preparing an iron-saccharide complex |
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| WO2000061191A2 (en) * | 1999-04-09 | 2000-10-19 | Advanced Magnetics, Inc. | Heat stable coated colloidal iron oxides |
| US20030190355A1 (en) * | 2002-04-05 | 2003-10-09 | Hermelin Marc S. | Modified release minerals |
| US7994217B2 (en) * | 2002-05-02 | 2011-08-09 | Xanodyne Pharmaceuticals, Inc. | Prenatal multivitamin/multimineral supplement |
| ES2358151T3 (es) * | 2002-08-15 | 2011-05-06 | Euro-Celtique S.A. | Composiciones farmacéuticas que comprenden un antagonista opioide. |
| US7569560B2 (en) * | 2004-03-19 | 2009-08-04 | Warner Chilcott Company Llc | Extended cycle multiphasic oral contraceptive method |
| US7585527B2 (en) * | 2005-09-19 | 2009-09-08 | Bala Venkataraman | Composition and method for treating iron deficiency anemia |
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2005
- 2005-10-04 US US11/243,043 patent/US20070077313A1/en not_active Abandoned
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2006
- 2006-09-14 EP EP06824970A patent/EP1945032A4/en not_active Ceased
- 2006-09-14 WO PCT/US2006/035975 patent/WO2007044180A2/en not_active Ceased
- 2006-09-14 CA CA2624619A patent/CA2624619C/en active Active
- 2006-09-22 TW TW095135061A patent/TWI358299B/zh active
-
2008
- 2008-04-01 CR CR9857A patent/CR9857A/es unknown
- 2008-04-03 HN HN2008000582A patent/HN2008000582A/es unknown
- 2008-04-04 SV SV2008002862A patent/SV2009002862A/es unknown
- 2008-04-04 CU CU20080054A patent/CU23776B7/es active IP Right Grant
- 2008-04-04 EC EC2008008348A patent/ECSP088348A/es unknown
-
2010
- 2010-11-08 US US12/941,571 patent/US20110052722A1/en not_active Abandoned
Also Published As
| Publication number | Publication date |
|---|---|
| ECSP088348A (es) | 2008-07-30 |
| CA2624619A1 (en) | 2007-04-19 |
| EP1945032A2 (en) | 2008-07-23 |
| EP1945032A4 (en) | 2009-04-15 |
| CU23776B7 (es) | 2012-02-15 |
| SV2009002862A (es) | 2009-01-27 |
| CA2624619C (en) | 2018-03-13 |
| WO2007044180A2 (en) | 2007-04-19 |
| CR9857A (es) | 2008-07-29 |
| US20110052722A1 (en) | 2011-03-03 |
| HN2008000582A (es) | 2011-11-09 |
| US20070077313A1 (en) | 2007-04-05 |
| WO2007044180A3 (en) | 2007-07-12 |
| CU20080054A7 (es) | 2010-08-30 |
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