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Immunologic enhancement with intermittent interleukin-2 therapy

Patent 5419900 Issued on May 30, 1995. Estimated Expiration Date: Icon_subject May 19, 2013. 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

Thermosetting aromatic resin composition
Patent #: 4866157
Issued on: 09/12/1989
Inventor: Otani ,   et al.

Uses of interleukin-2
Patent #: 4908433
Issued on: 03/13/1990
Inventor: Mertelsmann, et al.

Treatment of human retroviral infections with 2',3'-dideoxyinosine alone and in combination with other antiviral compounds Patent #: 5026687
Issued on: 06/25/1991
Inventor: Yarchoan, et al.

Inventors

Assignee

Application

No. 063315 filed on 05/19/1993

US Classes:

424/85.2, Interleukin514/50, 2,4-diketone pyrimidine or derivative (e.g., uracil, etc.)514/885IMMUNE RESPONSE AFFECTING DRUG

Examiners

Primary: Nucker, Christine M.
Assistant: Krsek-Staples, Julie

Attorney, Agent or Firm

Foreign Patent References

  • 343480 EP. 11/14/1983
  • 426521 EP. 05/14/1991
  • 452598 EP. 10/14/1991

International Classes

A61K 038/20
A01N 043/48

Abstract

A method for activating a mammalian immune system entails a series of continuous IL-2 infusions that are effected intermittently over an extended period. For example, IL-2 can be administered continuously for a period that is on the order of 5 days in length, and successive infusions of this nature can be separated by a period of at least 4 weeks. Sustained beneficial effects, including elevated CD4 cell counts, restoration of lymphocyte function and an increase in the number of IL-2 receptors, are achieved with such intermittent IL-2 therapy, which can be combined with another therapy which targets a specific disease state, such as an anti-retroviral therapy comprising, for example, the administration of AZT, ddI or interferon alpha.

Other References

  • Stein et al, J. Infect. Dis 165: 352-363, 1993
  • Schwartz et al, J. Acquir Immune Defic Syndr 4(1): 11-23, 1991 (abstract only provided)
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  • Oyazu et al, PNAS 87: 2379-2383, 1990
  • Matory et al, Journal of Biological Response Modifiers 4: 377-390, 1985
  • Fauser A. A., J. of Cellular Biochemistry 45: 353-358, 1991
  • Genzyme Catalog, Cytokine Research Products 1991 pp. 19 & 20
  • H. Teppler, et al., J. Infect. Dis. 167: 291-298 (1993)
  • H. Teppler, et al., J. Exp. Med. 177: 483-492 (1993)
  • S. A. Rosenberg et al, J. Natl Cancer Inst. 85(8): 622-632 (1993)
  • Lane, et al., J. Biol. Response Mos. 3: 512-516 (1984)
  • West, "Lymphokine-Activated Killer Lymphocytes: Biotherapeutice Clinical Trials," Imm. Ser. 48: 79-92 (1989)
  • Schwartz et al., "Safety and Effects of Interleukin-2 Plus Zidovudine in Asymptomatic Individuals Infected with Human Immunodeficiency Virus," J. Acq. Imm. Def. Synd. 4(1): 11-23 (1991
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