U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Lipid replacement therapy

Patent 4812314 Issued on March 14, 1989. Estimated Expiration Date: Icon_subject March 14, 2006. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.

Patent References

Process for the extemporaneous preparation of liposomes
Patent #: 4308166
Issued on: 12/29/1981
Inventor: Marchetti ,   et al.

Lipid vesicles bearing carbohydrate surfaces as lymphatic directed vehicles for therapeutic and diagnostic substances
Patent #: 4310505
Issued on: 01/12/1982
Inventor: Baldeschwieler ,   et al.

Liposomes containing modified cholesterol for organ targeting Patent #: 4544545
Issued on: 10/01/1985
Inventor: Ryan ,   et al.

Inventors

Assignee

Application

No. 06/832929 filed on 02/24/1986

US Classes:

424/450, Liposomes424/422, Implant or insert428/402.2, Microcapsule with fluid core (includes liposome)436/829, LIPOSOMES (E.G., ENCAPSULATION, ETC.)514/78, Lecithins514/878, GERIATRICS514/879Senility

Examiners

Primary: Lovering, Richard D.

Attorney, Agent or Firm

International Class

A61K 9/127 (20060101)

Abstract

A method of treating a relatively aged animal to reverse age-related changes in the lipid composition of organ and tissue cells, such as heart muscle cells, and the ability of the animal to withstand respiratory stress. A suspension of small unilamellar vesicles composed predominantly of egg phosphatidyl choline is administered parenterally to the animal, preferably over a period of several days and at a dose level of between about 0.1 and 1 grams lipid per kg body weight per day. Changes in the heart muscle cells are reflected in decreased levels of serum creatine phosphokinase. Liposome administration is continued until the serum creatine phosphokinase level drops at least about 50%. Also disclosed are liposome treatment methods for increasing longevity and male fertility.

Other References

  • Kevin Jon Williams, Victoria P. Werth and John A. Wolff Intravenously Administered Lecithin Liposomes: A Synthetic Antiatherogenic Lipid Particle. Perspectives in Biology & Medicine, 27, 3 Spring 1984/417 thru p. 431
  • Sanford O. Byers and Meyer Friedman, Transport of Cholesterol During Phosphatide-Induced Hypercholesterolemia. Biochim. Biophys. Acta, 125 (1966) 157-165
  • Sanford O. Byers, Meyer Friedman and Toshiko Sugiyama, Mechanism Underlying Phosphatide-Induced Hypercholesterolemia, The Journal of Biological Chemistry, vol. 237, No. 11, Nov. 1962 printed in U.S.A
  • Walter W. Stafford and Charles E. Day, The Upjohn Company, Kalamazoo, Mich. 49001 Artery 1(2):106-114 (1975) pp. 106-114
  • A. N. Howard, J. Patelski, D. Bowyer & A. Gresham, Atherosclerosis Induced in Hypercholesterolaemic Baboons by Immunological Injury: and The Effects of Intravenous Polyunsaturated Phosphatidyl Choline. Atherosclerosis 1971 14:17-29
  • J. Patelski, D. Bowyer, A. Howard, I. Jennings, C. Thorne & G. Gresham. Modification of Enzyme Activities in Experimental Atherosclerosis in the Rabbit. Atherosclerosis, 1970, 12: 41-53
  • Meyer Friedman, Sanford O. Byers, and Ray H. Rosenman, "Resolution of Aortic Atherosclerotic Infiltration in the Rabbit by Phosphatide Infusion (23300)Lecithin (Animal) 90% Pure", purchased from Nutritional Biochemicals Corp. Cleveland, Ohio, pp. 586-588
  • Barenholz, Y., et al, Biochemistry, 15:2441 (1976a)
  • Barenholz, Y., et al, in Enzymes in Lipid Metabolism (Gatt, S., et al, eds.), pp. 45-56. Plenum Press, NY (1976b)
  • Barenholz, Y., et al, Biochemistry, 16:2806 (1977)
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  • Barenholz, Y., et al, in Phospholipids (Hawthorne, J. N., et al, eds.)
  • Barenholz, Y., in Physiology of Membrane Fluidity (Shinitsky, M.,) vol: 131-173, CRC Press, Boca Raton, FL (1984)
  • Cooper, R. A., et al, New England J Med, 297:371 (1977)
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