US3501577A - Method of treating hypertension with alkali metal salts of zinc diethylenetriaminepentaacetate - Google Patents

Method of treating hypertension with alkali metal salts of zinc diethylenetriaminepentaacetate Download PDF

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Publication number
US3501577A
US3501577A US684637A US3501577DA US3501577A US 3501577 A US3501577 A US 3501577A US 684637 A US684637 A US 684637A US 3501577D A US3501577D A US 3501577DA US 3501577 A US3501577 A US 3501577A
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US
United States
Prior art keywords
zinc
zndtpa
hexahydrate
alkali metal
metal salts
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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
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US684637A
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English (en)
Inventor
Robert C O'neill
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Cooper Laboratories Inc
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Cooper Laboratories Inc
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Publication date
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Classifications

    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61KPREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
    • A61K45/00Medicinal preparations containing active ingredients not provided for in groups A61K31/00 - A61K41/00

Definitions

  • Na ZnDTPA and K ZnDTPA can be used orally and parenterally in doses to provide the equivalent of as much as 40 mg. of zinc daily per kilogram of body weight. Generally lower levels are preferred.
  • the preferred route of administration is intermuscularly.
  • the Na ZnDTPA and K ZnDTPA can be associated with a carrier which can be either a solid material or a sterile parenteral liquid.
  • a carrier which can be either a solid material or a sterile parenteral liquid.
  • the compositions can take the form of tablets, powders, capsules, or other dosage forms which are particularly useful for oral ingestion. Liquid diluents are emplayed in sterile condition for parenteral use, that is, by injecttion.
  • a medium can be a sterile solvent such as water.
  • compositions can take the form of active material, namely, Na ZnDTPA or K ZnDTPA or both, admixed with solid diluents, tableting adjuvants, such as cornstarch, lactose, talc, stearic acid, magnesium stearate, gums, or the like.
  • tableting adjuvants such as cornstarch, lactose, talc, stearic acid, magnesium stearate, gums, or the like.
  • the material can be tableted with or without adjuvants.
  • Na Zn-DTPA or K ZnDTPA or both with adjuvant material can be placed in the usual capsule or resorbable material such as the usual gelatine capsule and administered in that form.
  • Na ZnDTPA and CHzCOO M -nHzO K ZnDTPA can also be put up into powder packets.
  • Na ZnDTPA or K3ZHDTPA or both can be prepared in the form of a suspension in a material in which Na Zn'DTPA and K ZnDTPA are not soluble.
  • Example I A sample of the hexahydrate of Example I was analyzed for carbon, hydrogen, nitrogen and zinc, as follows:
  • the loss-on-drying at 110 C. was 18.2%.
  • the hexahydrate of Example I is a colorless, free-flowing powder which appeared to be wholly crystalline when viewed under plane polarized light. It had no precise melting po nt; a sample showed shrinking and effervescence at 110 C. and then gradual sintering and decomposition above 300 C.
  • the compounds of the present invention are highly useful in solution form because of their high solubility in Water and because aqueous solutions of these compounds can be buffered to an essentially neutral pH without affecting their water solubility. These properties are illustrated in Example III.
  • the following examples are illustrative of typical dosage forms for administering the compounds of this invention to animals in the treatment of hypertension.
  • the formulations are made by the usual procedures for making tablets, enteric coated tablets, gelatine capsules, packets and oral and parenteral solutions.
  • the above formulations are each mixed and tabletted to form 500 mg. tablets which are suitable for oral administration in treatment of hypertension to provide the equivalent of 25 mg. zinc per tablet.
  • Example V When desired any of the tablets of Example IV can be coated with a solution of cellulose acetate phthalate to comply with U.S.P. specifications for enteric coated tablets.
  • EXAMPLE VI.GELATIN CAPSULES (EQUIVALENT TO 50 MG. ZINC) Parts by Weight Example VI(A) VI(B) VI(C) Hexahydrate of Example I 480 240 Hexahydrate of Example II 520 260 Corn starch 120 80 100
  • the above ingredients are mixed and dispensed in gelatine capsules, 600 mg. per capsule, to provide a suitable dosage form for oral administration in treatment of hypertension at a rate of 50 mg. zinc per capsule.
  • a method of treating hypertension in animals which comprises administering to an animal afflicted with hypertension a hypotensive amount of a compound selected from the group consisting of the sodium salt of the zinc chelate of diethylenetriaminepentaacetic acid and the potassium salt of the zinc chelate of diethylenetriaminepentaacetic acid.

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  • Health & Medical Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • Medicinal Chemistry (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Epidemiology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
US684637A 1967-11-21 1967-11-21 Method of treating hypertension with alkali metal salts of zinc diethylenetriaminepentaacetate Expired - Lifetime US3501577A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US68463767A 1967-11-21 1967-11-21

Publications (1)

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US3501577A true US3501577A (en) 1970-03-17

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US684637A Expired - Lifetime US3501577A (en) 1967-11-21 1967-11-21 Method of treating hypertension with alkali metal salts of zinc diethylenetriaminepentaacetate

Country Status (6)

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US (1) US3501577A (en)van)
BE (1) BE724229A (en)van)
DE (1) DE1809651A1 (en)van)
FR (1) FR8233M (en)van)
GB (1) GB1205094A (en)van)
NL (1) NL6816504A (en)van)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4292324A (en) * 1974-05-02 1981-09-29 Aktiebolaget Draco Aqueous zinc solutions for medical use
WO2012142666A1 (en) * 2011-04-19 2012-10-26 The Mental Health Research Institute Of Victoria Method of modulating amine oxidase activity and agents useful for same
US20180125885A1 (en) * 2015-06-05 2018-05-10 Nestec S.A. Compositions comprising cinnamaldehyde and zinc and methods of using such compositions

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2805957A1 (de) * 2013-05-23 2014-11-26 hameln rds gmbh Kristalline Formen von Trinatrium-Zink-Diethylen-triaminpentaessigsäure

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2781291A (en) * 1953-08-21 1957-02-12 Dow Chemical Co Magnesium chelate of ethylenediaminetetraacetic acid for treatment of hypertension
US3172898A (en) * 1965-03-09 Process for preparation of metal chelates of aminopolycarboxylic acid compounds
US3240701A (en) * 1961-08-21 1966-03-15 Geigy Chem Corp Inhibiting growth of bacteria in fluids

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3172898A (en) * 1965-03-09 Process for preparation of metal chelates of aminopolycarboxylic acid compounds
US2781291A (en) * 1953-08-21 1957-02-12 Dow Chemical Co Magnesium chelate of ethylenediaminetetraacetic acid for treatment of hypertension
US3240701A (en) * 1961-08-21 1966-03-15 Geigy Chem Corp Inhibiting growth of bacteria in fluids

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4292324A (en) * 1974-05-02 1981-09-29 Aktiebolaget Draco Aqueous zinc solutions for medical use
DK152173B (da) * 1974-05-02 1988-02-08 Draco Ab Fremgangsmaade til fremstilling af en farmaceutisk zinkkompleksoploesning til oral indgift
WO2012142666A1 (en) * 2011-04-19 2012-10-26 The Mental Health Research Institute Of Victoria Method of modulating amine oxidase activity and agents useful for same
US20180125885A1 (en) * 2015-06-05 2018-05-10 Nestec S.A. Compositions comprising cinnamaldehyde and zinc and methods of using such compositions
US11110120B2 (en) * 2015-06-05 2021-09-07 Societe Des Produits Nestle S.A. Compositions comprising cinnamaldehyde and zinc and methods of using such compositions

Also Published As

Publication number Publication date
GB1205094A (en) 1970-09-16
FR8233M (en)van) 1970-09-28
BE724229A (en)van) 1969-05-21
DE1809651A1 (de) 1969-07-17
NL6816504A (en)van) 1969-05-23

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