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Details for Patent: 5,750,519

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Details for Patent: 5,750,519

Title: Process for the long term reduction of body fat stores, insulin resistance, hyperinsulinemia and hyperglycemia in vertebrates
Abstract:A process for the long term modification and regulation of lipid and glucose metabolism--generally to reduce obesity, insulin resistance, and hyperinsulinemia or hyperglycemia, or both (these being the hallmarks of noninsulin dependent, or Type II diabetes)--by administration to a vertebrate, animal or human, of a dopamine agonist and a prolactin stimulator. The dopamine agonist and prolactin stimulator are administered in daily dosages, respectively, at a time of day dependent on the normal circadian rhythm of fat and lean members of a similar species. Decreases in body fat deposits result by treatment of an obese species on a daily timed sequence based on circadian rhythms of the peak prolactin, or peak prolactin and peak glucocorticosteroid, blood level established for lean insulin sensitive members of a similar species. The dopamine agonist is administered at the time of. or just after the time of peak plasma prolactin concentration found in lean animals of the same species and the prolactin stimulator is administered at a time just before the plasma prolactin rhythm reaches its peak in lean animals. Insulin resistance, and hyperinsulinemia or hyperglycemia, or both, can also be controlled in humans on a long term basis by treatment corresponding to that of the treatment for obesity. The short term daily injections reset hormonal timing in the neural centers of the brain to produce long term effects.
Inventor(s): Cincotta; Anthony H. (Andover, MA), Meier; Albert H. (Baton Rouge, LA)
Assignee: The Board of Supervisors of Louisiana University and Agricultural and (Baton Rouge, LA) Ergo Research Corporation (Wakefield, RI)
Filing Date:Oct 31, 1995
Application Number:08/550,775
Claims:1. A method for modifying and regulating lipid metabolism in a vertebrate animal or human subject in need of such treatment comprising:

administering a dopamine agonist to said subject on a timed daily basis at a first predetermined time of day in a first dosage amount sufficient to reduce the hormonal prolactin level in the blood of said subject; and additionally

administering a prolactin stimulator to said subject on a timed daily basis at a second predetermined time of day in a second dosage amount sufficient to increase hormonal prolactin levels in the blood of said subject, thereby achieving in said subject at least one of the following modifications in lipid metabolism: decrease in hypercholesterolemia or hypertriglyceridemia.

2. The method of claim 1 wherein said subject is a human and wherein said administration is continued for periods of time sufficient to modify and reset on a long-term basis the subject's daily prolactin cycle to cause it to mimic the low day level and the night time peak of the daily prolactin cycle of a lean healthy human.

3. The method of claim 1 further comprising discontinuing said administrations after lapse of said periods of time, said modifications persisting over the long-term after cessation of said administrations.

4. The method of claim 1 wherein the dopamine agonist and prolactin stimulator are administered respectively on timed daily bases to said subject in amounts and for periods of time sufficient to modify and reset on a long-term basis the daily cycles of both prolactin and glucocorticosteroid in said subject.

5. The method of claim 1 wherein the timed daily dosages of the dopamine agonist and prolactin stimulator are given daily, once a day, over a period ranging from about 10 days to about 150 days, the dopamine agonist being administered in an amount within the range from about 3 micrograms to about 100 micrograms per pound of body weight, and the prolactin stimulator being administered in an amount within the range from about 10 micrograms to about 100 micrograms per pound of body weight.

6. The method of claim 1 wherein said subject is a human and the timed dosages of the dopamine agonist are given daily, once a day, in an amount within the range from about 3 micrograms to about 20 micrograms per pound of body weight, and the timed dosages of the prolactin stimulator are given daily, once a day, in an amount ranging from about 10 micrograms to about 100 micrograms per pound of body weight.

7. The method of claim 6 wherein the subject is an obese human and the dopamine agonist is given daily at a time ranging from about 2 hours to about 8 hours after the time at which the prolactin concentration peaks in a lean human to modify and reset the lipid metabolism of the obese human to that of a lean human.

8. The method of claim 1 wherein the dopamine agonist is selected from the group consisting of 6-methyl-8-beta-carbobenzyloxy-aminoethyl-10 alpha-ergoline; 1,6-dimethyl-8-beta-carbobenzyloxy-aminoethyl-10 alpha-ergoline; 8-acylaminoergolenes; ergocornine; 9,10-dihydroergocornine; bromocriptine, and D-2-halo-6-alkyl-8-substituted ergolines.

9. The method of claim 1 wherein the prolactin stimulator is selected from the group consisting of metoclopramide, haloperidol, pimozide, phenothiazine, sulpiride, chlorpromazine and serotonin agonists.

10. The method of claim 1 comprising further administering to said subject thyroid hormone, daily, in an amount within the range from about 0.1 milligrams to about 0.4 milligrams.

11. The method of claim 1 wherein said dopamine agonist is bromocriptine.

12. The method of claim 2 wherein said dopamine agonist is bromocriptine.

13. The method of claim 3 wherein said dopamine agonist is bromocriptine.

14. The method of claim 4 wherein said dopamine agonist is bromocriptine.

15. The method of claim 5 wherein said dopamine agonist is bromocriptine.

16. The method of claim 6 wherein said dopamine agonist is bromocriptine.

17. The method of claim 7 wherein said dopamine agonist is bromocriptine.

18. The method of claim 9 wherein said dopamine agonist is bromocriptine.

19. The method of claim 10 wherein said dopamine agonist is bromocriptine.
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