US20040143019A1 - Magnesium di-potassium EDTA complex and method of administration - Google Patents
Magnesium di-potassium EDTA complex and method of administration Download PDFInfo
- Publication number
- US20040143019A1 US20040143019A1 US10/754,063 US75406304A US2004143019A1 US 20040143019 A1 US20040143019 A1 US 20040143019A1 US 75406304 A US75406304 A US 75406304A US 2004143019 A1 US2004143019 A1 US 2004143019A1
- Authority
- US
- United States
- Prior art keywords
- magnesium
- suppository
- potassium edta
- edta
- edta complex
- 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.)
- Abandoned
Links
- HFWPXARYYXLTQE-UHFFFAOYSA-N [Mg].[K].[K] Chemical compound [Mg].[K].[K] HFWPXARYYXLTQE-UHFFFAOYSA-N 0.000 title claims abstract description 12
- 238000000034 method Methods 0.000 title claims description 7
- 239000000829 suppository Substances 0.000 claims abstract description 18
- 238000013270 controlled release Methods 0.000 claims abstract description 6
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 5
- 238000002655 chelation therapy Methods 0.000 claims description 3
- 239000011159 matrix material Substances 0.000 claims description 3
- 210000000436 anus Anatomy 0.000 claims 1
- KCXVZYZYPLLWCC-UHFFFAOYSA-N EDTA Chemical compound OC(=O)CN(CC(O)=O)CCN(CC(O)=O)CC(O)=O KCXVZYZYPLLWCC-UHFFFAOYSA-N 0.000 abstract description 15
- 239000000203 mixture Substances 0.000 abstract description 3
- 229960001484 edetic acid Drugs 0.000 description 12
- 239000002738 chelating agent Substances 0.000 description 4
- 239000003109 Disodium ethylene diamine tetraacetate Substances 0.000 description 3
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 3
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 3
- 235000019301 disodium ethylene diamine tetraacetate Nutrition 0.000 description 3
- 239000011777 magnesium Substances 0.000 description 3
- 229910052749 magnesium Inorganic materials 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000011734 sodium Substances 0.000 description 3
- 229910052708 sodium Inorganic materials 0.000 description 3
- VBICKXHEKHSIBG-UHFFFAOYSA-N 1-monostearoylglycerol Chemical compound CCCCCCCCCCCCCCCCCC(=O)OCC(O)CO VBICKXHEKHSIBG-UHFFFAOYSA-N 0.000 description 2
- 201000001320 Atherosclerosis Diseases 0.000 description 2
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 2
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 2
- 230000036772 blood pressure Effects 0.000 description 2
- 125000004122 cyclic group Chemical group 0.000 description 2
- QLBHNVFOQLIYTH-UHFFFAOYSA-L dipotassium;2-[2-[bis(carboxymethyl)amino]ethyl-(carboxylatomethyl)amino]acetate Chemical compound [K+].[K+].OC(=O)CN(CC([O-])=O)CCN(CC(O)=O)CC([O-])=O QLBHNVFOQLIYTH-UHFFFAOYSA-L 0.000 description 2
- 229910001385 heavy metal Inorganic materials 0.000 description 2
- 238000010253 intravenous injection Methods 0.000 description 2
- 239000011591 potassium Substances 0.000 description 2
- 229910052700 potassium Inorganic materials 0.000 description 2
- 230000035485 pulse pressure Effects 0.000 description 2
- 230000002889 sympathetic effect Effects 0.000 description 2
- 208000037260 Atherosclerotic Plaque Diseases 0.000 description 1
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- 239000002202 Polyethylene glycol Substances 0.000 description 1
- 239000004480 active ingredient Substances 0.000 description 1
- 230000017531 blood circulation Effects 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 239000012876 carrier material Substances 0.000 description 1
- 229940110456 cocoa butter Drugs 0.000 description 1
- 235000019868 cocoa butter Nutrition 0.000 description 1
- 235000014113 dietary fatty acids Nutrition 0.000 description 1
- POULHZVOKOAJMA-UHFFFAOYSA-N dodecanoic acid Chemical class CCCCCCCCCCCC(O)=O POULHZVOKOAJMA-UHFFFAOYSA-N 0.000 description 1
- 229930195729 fatty acid Natural products 0.000 description 1
- 239000000194 fatty acid Substances 0.000 description 1
- 150000004665 fatty acids Chemical class 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 235000011187 glycerol Nutrition 0.000 description 1
- 125000003976 glyceryl group Chemical group [H]C([*])([H])C(O[H])([H])C(O[H])([H])[H] 0.000 description 1
- 229940075507 glyceryl monostearate Drugs 0.000 description 1
- 235000019866 hydrogenated palm kernel oil Nutrition 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 238000001990 intravenous administration Methods 0.000 description 1
- 238000009140 magnesium supplementation Methods 0.000 description 1
- 229910021645 metal ion Inorganic materials 0.000 description 1
- 231100000783 metal toxicity Toxicity 0.000 description 1
- 239000001788 mono and diglycerides of fatty acids Substances 0.000 description 1
- -1 monopalmitate Chemical compound 0.000 description 1
- 208000010125 myocardial infarction Diseases 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 230000001151 other effect Effects 0.000 description 1
- 239000003973 paint Substances 0.000 description 1
- 230000001734 parasympathetic effect Effects 0.000 description 1
- 229920001223 polyethylene glycol Polymers 0.000 description 1
- 238000009138 potassium supplementation Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 239000013589 supplement Substances 0.000 description 1
- 238000002560 therapeutic procedure Methods 0.000 description 1
Classifications
-
- 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
- A61K31/185—Acids; Anhydrides, halides or salts thereof, e.g. sulfur acids, imidic, hydrazonic or hydroximic acids
- A61K31/19—Carboxylic acids, e.g. valproic acid
- A61K31/195—Carboxylic acids, e.g. valproic acid having an amino group
-
- 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
- A61K31/185—Acids; Anhydrides, halides or salts thereof, e.g. sulfur acids, imidic, hydrazonic or hydroximic acids
- A61K31/19—Carboxylic acids, e.g. valproic acid
- A61K31/195—Carboxylic acids, e.g. valproic acid having an amino group
- A61K31/197—Carboxylic acids, e.g. valproic acid having an amino group the amino and the carboxyl groups being attached to the same acyclic carbon chain, e.g. gamma-aminobutyric acid [GABA], beta-alanine, epsilon-aminocaproic acid, pantothenic acid
- A61K31/198—Alpha-aminoacids, e.g. alanine, edetic acids [EDTA]
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K9/00—Medicinal preparations characterised by special physical form
- A61K9/0012—Galenical forms characterised by the site of application
- A61K9/0031—Rectum, anus
Definitions
- the present invention relates to a composition containing a chelating agent, more particularly to an EDTA complex to be administered in suppository form.
- Chelating agents are well known organic compounds that are capable of forming complexes of multivalent metal ions.
- Chelation therapy involving the administration of EDTA (ethylene diamine tetraacetic acid) complexes for removing arterial calcium plaque, or for removing heavy metals such as lead has been extensively employed.
- EDTA ethylene diamine tetraacetic acid
- Intravenous injection of chelators has been widely used for the treatment of atherosclerosis. Intravenous administration may take several hours per session, and several sessions per month for many months. Such a treatment schedule is inconvenient to the patient and health care provider.
- Oral chelation therapy is also well known as a more convenient method. However, when administered orally, a very low percentage of the EDTA complex is actually absorbed by the bloodstream.
- EDTA may be administered in a suppository form. Bennett U.S. Pat. No. 5,602,180 relates to a method of administering a disodium EDTA complex in the form of a controlled release suppository. U.S. Pat. No. 5,602,180 is hereby incorporated into this specification by reference.
- Disodium EDTA has the disadvantage of raising sodium levels. Sodium stimulates the sympathetic system, causing, among other effects, an increase in blood pressure, pulse pressure, and heart rate. These affects are undesirable in the patient suffering from atherosclerosis, a condition for which EDTA therapy is often prescribed. As sodium increases pulse pressure, the amplitude of the cyclic changes in lumen size and shape are increased. These cyclic changes may lead to the disruption of plaque and subsequent myocardial infarction. See Valentin Fuster, MD, “The Vulnerable Atherosclerotic Plaque” (American Heart Association).
- the present invention provides an alternative to the intravenous injection or oral formulation of EDTA chelating agents.
- a method of administering EDTA complexes includes forming a suppository containing a magnesium di-potassium EDTA complex.
- the suppository may also contain a controlled-release agent, which, when used, will release the complex over a period of several hours.
- a suppository is formed of magnesium di-potassium EDTA complex and a matrix, which may or may not contain a time release agent.
- the magnesium di-potassium EDTA complex may be obtained from Fluka of Switzerland as EDTA dipotassium magnesium salt monohydrate or EDTA dipotassium magnesium salt (product No. 40694). It can also be in the anhydrous form.
- the suppository is molded in a common shape from a waxy material in which the active ingredients have been dissolved or suspended.
- the base material may comprise cocoa butter, glycerin, glyceryl, monopalmitate, glyceryl monostearate, hydrogenated coconut oil fatty acids and hydrogenated palm kernel oil fatty acids or polyethylene glycol.
- the choice of base material is a matter of ordinary skill.
- the invention provides other advantages as well.
- Magnesium suppresses the sympathetic system and potassium stimulates the parasympathetic system.
- the complex of the present invention may lower blood pressure, pulse and coronary blood flow.
- the magnesium di-potassium EDTA complex can also be used as a form of magnesium or potassium supplementation.
- a magnesium di-potassium EDTA complex as described can also be administered orally to supplement magnesium and potassium levels.
- the complex also can be administered orally to treat arterial plaque and heavy metal toxicity.
Abstract
A composition containing an EDTA complex in the form of a suppository is provided. More specifically, the EDTA complex is a magnesium di-potassium EDTA complex. The suppository may contain a controlled release agent which will release the EDTA complex over a period of several hours.
Description
- This application claims priority under 35 U.S.C. §119 from provisional patent application serial No. 60/285,546, filed Apr. 20, 2001, which is hereby incorporated by reference in its entirety.
- The present invention relates to a composition containing a chelating agent, more particularly to an EDTA complex to be administered in suppository form.
- Chelating agents are well known organic compounds that are capable of forming complexes of multivalent metal ions. Chelation therapy, involving the administration of EDTA (ethylene diamine tetraacetic acid) complexes for removing arterial calcium plaque, or for removing heavy metals such as lead has been extensively employed. For example, EDTA has been used to remove high levels of lead from the bloodstream of those who have been exposed to lead paint. Intravenous injection of chelators has been widely used for the treatment of atherosclerosis. Intravenous administration may take several hours per session, and several sessions per month for many months. Such a treatment schedule is inconvenient to the patient and health care provider.
- Oral chelation therapy is also well known as a more convenient method. However, when administered orally, a very low percentage of the EDTA complex is actually absorbed by the bloodstream.
- It is known that EDTA may be administered in a suppository form. Bennett U.S. Pat. No. 5,602,180 relates to a method of administering a disodium EDTA complex in the form of a controlled release suppository. U.S. Pat. No. 5,602,180 is hereby incorporated into this specification by reference.
- Disodium EDTA has the disadvantage of raising sodium levels. Sodium stimulates the sympathetic system, causing, among other effects, an increase in blood pressure, pulse pressure, and heart rate. These affects are undesirable in the patient suffering from atherosclerosis, a condition for which EDTA therapy is often prescribed. As sodium increases pulse pressure, the amplitude of the cyclic changes in lumen size and shape are increased. These cyclic changes may lead to the disruption of plaque and subsequent myocardial infarction. See Valentin Fuster, MD, “The Vulnerable Atherosclerotic Plaque” (American Heart Association).
- The present invention provides an alternative to the intravenous injection or oral formulation of EDTA chelating agents. A method of administering EDTA complexes includes forming a suppository containing a magnesium di-potassium EDTA complex. The suppository may also contain a controlled-release agent, which, when used, will release the complex over a period of several hours.
- According to this invention, a suppository is formed of magnesium di-potassium EDTA complex and a matrix, which may or may not contain a time release agent. The magnesium di-potassium EDTA complex may be obtained from Fluka of Switzerland as EDTA dipotassium magnesium salt monohydrate or EDTA dipotassium magnesium salt (product No. 40694). It can also be in the anhydrous form. The suppository is molded in a common shape from a waxy material in which the active ingredients have been dissolved or suspended. The base material may comprise cocoa butter, glycerin, glyceryl, monopalmitate, glyceryl monostearate, hydrogenated coconut oil fatty acids and hydrogenated palm kernel oil fatty acids or polyethylene glycol. The choice of base material is a matter of ordinary skill.
- Methods of making controlled release suppositories are well known. Choosing suitable carrier materials, and suitable matrix ingredients, are within the skill of the artisan in this field. Representative prior U.S. patents include U.S. Pat. Nos. 4,265,875, 4,292,300, 4,406,883, 5,151,434, 5,188,840, 5,215,758, 5,352,455, and 5,393,528. The foregoing patents are hereby incorporated into this specification by reference. The release-controlling agents, and their concentrations, should be chosen so that release occurs within the body over a one to four hour period after the suppository is administered.
- In addition to avoiding the above mentioned disadvantages of disodium EDTA, the invention provides other advantages as well. Magnesium suppresses the sympathetic system and potassium stimulates the parasympathetic system. Thus the complex of the present invention may lower blood pressure, pulse and coronary blood flow. The magnesium di-potassium EDTA complex can also be used as a form of magnesium or potassium supplementation.
- A magnesium di-potassium EDTA complex as described can also be administered orally to supplement magnesium and potassium levels. The complex also can be administered orally to treat arterial plaque and heavy metal toxicity.
Claims (4)
1. A method of administering a magnesium di-potassium EDTA complex to a patient, comprising the steps of:
(a) forming a suppository containing magnesium di-potassium EDTA and
(b) administering said suppository to the patient.
2. The method of claim 1 , wherein the suppository contains controlled release agents which release the magnesium di-potassium EDTA over a period of about one to four hours after placement in the anus.
3. A suppository for chelation therapy, said suppository comprising an inert meltable carrier containing dissolved or suspended magnesium di-potassium EDTA.
4. The suppository of claim 3 , wherein the magnesium di-potassium EDTA is dissolved or suspended in a controlled release matrix for releasing the complexes in the body over a period of about one to four hours after anal administration of the suppository.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US10/754,063 US20040143019A1 (en) | 2001-04-20 | 2004-01-07 | Magnesium di-potassium EDTA complex and method of administration |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US28554601P | 2001-04-20 | 2001-04-20 | |
| US10/124,763 US6720356B2 (en) | 2001-04-20 | 2002-04-19 | Magnesium di-potassium EDTA complex and method of administration |
| US10/754,063 US20040143019A1 (en) | 2001-04-20 | 2004-01-07 | Magnesium di-potassium EDTA complex and method of administration |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US10/124,763 Division US6720356B2 (en) | 2001-04-20 | 2002-04-19 | Magnesium di-potassium EDTA complex and method of administration |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| US20040143019A1 true US20040143019A1 (en) | 2004-07-22 |
Family
ID=23094704
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US10/124,763 Expired - Lifetime US6720356B2 (en) | 2001-04-20 | 2002-04-19 | Magnesium di-potassium EDTA complex and method of administration |
| US10/754,063 Abandoned US20040143019A1 (en) | 2001-04-20 | 2004-01-07 | Magnesium di-potassium EDTA complex and method of administration |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US10/124,763 Expired - Lifetime US6720356B2 (en) | 2001-04-20 | 2002-04-19 | Magnesium di-potassium EDTA complex and method of administration |
Country Status (3)
| Country | Link |
|---|---|
| US (2) | US6720356B2 (en) |
| AU (1) | AU2002256313A1 (en) |
| WO (1) | WO2002085789A2 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6720356B2 (en) * | 2001-04-20 | 2004-04-13 | Spencer Feldman | Magnesium di-potassium EDTA complex and method of administration |
| US7563460B2 (en) * | 2004-02-26 | 2009-07-21 | Med Five, Inc. | Enteric coated oral pharmaceutical to erode kidney stones |
Citations (20)
| 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 |
| US3184381A (en) * | 1961-02-28 | 1965-05-18 | Ashmead Harvey | Urinary calculi treating compositions and methods of using same |
| US3838196A (en) * | 1972-09-25 | 1974-09-24 | J Mercer | Method of treating arteriosclerosis |
| US4191196A (en) * | 1976-06-15 | 1980-03-04 | American Medical Systems, Inc. | Profilometry method and apparatus |
| US4196196A (en) * | 1978-06-19 | 1980-04-01 | Tiholiz Ivan C | Divalen/monovalent bipolar cation therapy for enhancement of tissue perfusion and reperfusion in disease states |
| US4265875A (en) * | 1976-07-23 | 1981-05-05 | Inveresk Research International | Controlled release suppositories |
| US4344940A (en) * | 1981-11-30 | 1982-08-17 | E. R. Squibb & Sons, Inc. | Steroid formulation containing dipotassium EDTA |
| US4372858A (en) * | 1979-08-29 | 1983-02-08 | Tetra Werke Dr. Rer. Nat. Ulrich Baensch Gesellschaft Mit Beschrankter Haftung | Method of regenerating ion exchangers |
| US4406883A (en) * | 1976-07-23 | 1983-09-27 | Merrell Dow Pharmaceuticals Inc. | Controlled release suppositories consisting essentially of a linear polymer particularly, polyvinyl pyrrolidones |
| US5114974A (en) * | 1991-01-30 | 1992-05-19 | Martin Rubin | Treatment of atherosclerosis with MgNa2 EDTA |
| US5151434A (en) * | 1984-03-14 | 1992-09-29 | Kyorin Seiyaku Kabushiki Kaisha | Controlled-release composition and the preparation thereof |
| US5155096A (en) * | 1987-06-15 | 1992-10-13 | Garcia Y Bellon Donato P | Method for potentiation of a therapeutic agent |
| US5188840A (en) * | 1985-09-26 | 1993-02-23 | Chugai Seiyaku Kabushiki Kaisha | Slow-release pharmaceutical agent |
| US5215758A (en) * | 1991-09-11 | 1993-06-01 | Euroceltique, S.A. | Controlled release matrix suppository for pharmaceuticals |
| US5352455A (en) * | 1991-01-23 | 1994-10-04 | British Technology Group Ltd. | Controlled release compositions |
| US5393528A (en) * | 1992-05-07 | 1995-02-28 | Staab; Robert J. | Dissolvable device for contraception or delivery of medication |
| US5602196A (en) * | 1994-12-05 | 1997-02-11 | Ciba-Geigy Corporation | Bisphenol ester derivatives |
| US5602180A (en) * | 1995-03-31 | 1997-02-11 | World Health Group | Method of administering EDTA complexes |
| US6144387A (en) * | 1998-04-03 | 2000-11-07 | Liu; Mei-Chi | Guard region and hither plane vertex modification for graphics rendering |
| US6720356B2 (en) * | 2001-04-20 | 2004-04-13 | Spencer Feldman | Magnesium di-potassium EDTA complex and method of administration |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6114387A (en) | 2000-02-16 | 2000-09-05 | Cutler; Paul | Pharmaceutical composition for oral administration of chelating agents |
-
2002
- 2002-04-19 US US10/124,763 patent/US6720356B2/en not_active Expired - Lifetime
- 2002-04-22 AU AU2002256313A patent/AU2002256313A1/en not_active Abandoned
- 2002-04-22 WO PCT/US2002/012664 patent/WO2002085789A2/en not_active Application Discontinuation
-
2004
- 2004-01-07 US US10/754,063 patent/US20040143019A1/en not_active Abandoned
Patent Citations (21)
| 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 |
| US3184381A (en) * | 1961-02-28 | 1965-05-18 | Ashmead Harvey | Urinary calculi treating compositions and methods of using same |
| US3838196A (en) * | 1972-09-25 | 1974-09-24 | J Mercer | Method of treating arteriosclerosis |
| US4191196A (en) * | 1976-06-15 | 1980-03-04 | American Medical Systems, Inc. | Profilometry method and apparatus |
| US4292300A (en) * | 1976-07-23 | 1981-09-29 | Inveresk Research International | Controlled release suppositories |
| US4265875A (en) * | 1976-07-23 | 1981-05-05 | Inveresk Research International | Controlled release suppositories |
| US4406883A (en) * | 1976-07-23 | 1983-09-27 | Merrell Dow Pharmaceuticals Inc. | Controlled release suppositories consisting essentially of a linear polymer particularly, polyvinyl pyrrolidones |
| US4196196A (en) * | 1978-06-19 | 1980-04-01 | Tiholiz Ivan C | Divalen/monovalent bipolar cation therapy for enhancement of tissue perfusion and reperfusion in disease states |
| US4372858A (en) * | 1979-08-29 | 1983-02-08 | Tetra Werke Dr. Rer. Nat. Ulrich Baensch Gesellschaft Mit Beschrankter Haftung | Method of regenerating ion exchangers |
| US4344940A (en) * | 1981-11-30 | 1982-08-17 | E. R. Squibb & Sons, Inc. | Steroid formulation containing dipotassium EDTA |
| US5151434A (en) * | 1984-03-14 | 1992-09-29 | Kyorin Seiyaku Kabushiki Kaisha | Controlled-release composition and the preparation thereof |
| US5188840A (en) * | 1985-09-26 | 1993-02-23 | Chugai Seiyaku Kabushiki Kaisha | Slow-release pharmaceutical agent |
| US5155096A (en) * | 1987-06-15 | 1992-10-13 | Garcia Y Bellon Donato P | Method for potentiation of a therapeutic agent |
| US5352455A (en) * | 1991-01-23 | 1994-10-04 | British Technology Group Ltd. | Controlled release compositions |
| US5114974A (en) * | 1991-01-30 | 1992-05-19 | Martin Rubin | Treatment of atherosclerosis with MgNa2 EDTA |
| US5215758A (en) * | 1991-09-11 | 1993-06-01 | Euroceltique, S.A. | Controlled release matrix suppository for pharmaceuticals |
| US5393528A (en) * | 1992-05-07 | 1995-02-28 | Staab; Robert J. | Dissolvable device for contraception or delivery of medication |
| US5602196A (en) * | 1994-12-05 | 1997-02-11 | Ciba-Geigy Corporation | Bisphenol ester derivatives |
| US5602180A (en) * | 1995-03-31 | 1997-02-11 | World Health Group | Method of administering EDTA complexes |
| US6144387A (en) * | 1998-04-03 | 2000-11-07 | Liu; Mei-Chi | Guard region and hither plane vertex modification for graphics rendering |
| US6720356B2 (en) * | 2001-04-20 | 2004-04-13 | Spencer Feldman | Magnesium di-potassium EDTA complex and method of administration |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2002085789A3 (en) | 2003-02-20 |
| AU2002256313A1 (en) | 2002-11-05 |
| WO2002085789A2 (en) | 2002-10-31 |
| US20020169211A1 (en) | 2002-11-14 |
| US6720356B2 (en) | 2004-04-13 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| STCB | Information on status: application discontinuation |
Free format text: ABANDONED -- FAILURE TO RESPOND TO AN OFFICE ACTION |