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Last Updated: October 22, 2019

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Claims for Patent: 5,993,810

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Summary for Patent: 5,993,810
Title: Method of softening or ripening the cervix of a female mammal using collagenase
Abstract:The present invention relates to the use of collagenase and/or one more substances which stimulate the production of naturally occurring collagenase in the cervix to induce labor in a female mammal, and in particular a female human or to terminate pregnancy in such a female mammal. The substances which stimulate the production of naturally occurring collagenase include Interleukin 1 beta, Interleukin 2, Interleukin 6, Interleukin 8 and tumor necrosis factor.
Inventor(s): Lebovitz; Shamir Israel (Tel Aviv, IL)
Assignee:
Application Number:08/818,205
Patent Claims:1. A method of softening or ripening the cervix of a female mammal, comprising administering a cervical-ripening amount of a collagenase to the cervix of said female mammal.

2. The method of claim 1 wherein said female mammal is human.

3. The method of claim 1 wherein the composition further comprises a substance selected from the group consisting of Interleukin 1 beta, Interleukin 6, Interleukin 8 and tumor necrosis factor.

4. A method of inducing labor in a female mammal, comprising administering a cervical-ripening amount of a collagenase to the cervix of said female mammal and thereafter an effective amount of a prostaglandin or oxytocin to said female mammal.

5. The method of claim 4 wherein said female mammal is human.

6. The method of claim 4 wherein the composition further comprises a substance selected from the group consisting of Interleukin 1 beta, Interleukin 6, Interleukin 8 and tumor necrosis factor.

7. A method of terminating pregnancy in a female mammal, comprising administering 1) a cervical-ripening amount of a collagenase to the cervix of said female mammal and thereafter 2) an effective amount of a prostaglandin or oxytocin to said female mammal.

8. The method of claim 7 wherein the composition further comprises a substance selected from the group consisting of Interleukin 1 beta, Interleukin 6, Interleukin 8 and tumor necrosis factor.

9. The method of claim 7 wherein said female mammal is human.

10. A method of ripening the cervix of a female mammal before diagnostic or operative procedures comprising administering a cervical-ripening amount of collagenase to the cervix of said female mammal.

11. The method of claim 10 further comprising administering a substance selected from the group consisting of Interleukin 1 beta, Interleukin 6, Interleukin 8 and tumor necrosis factor and combinations thereof.

12. The method of claim 10 wherein said female mammal is human.

13. The method of claim 1, wherein the amount of collagenase administered is an amount sufficient to provide a concentration in the range of from about 10 to about 200 I.U. per gram cervical tissue.

14. The method of claim 1, wherein the amount of collagenase administered is an amount sufficient to provide a concentration in the range of from about 10 to about 15 I.U. per gram cervical tissue.

15. The method of claim 4, wherein the amount of collagenase administered is an amount sufficient to provide a concentration in the range of from about 10 to about 200 I.U. per gram cervical tissue.

16. The method of claim 4, wherein the amount of collagenase administered is an amount sufficient to provide a concentration in the range of from about 10 to about 15 I.U. per gram cervical tissue.

17. The method of claim 7, wherein the amount of collagenase administered is an amount sufficient to provide a concentration in the range of from about 10 to about 200 I.U. per gram cervical tissue.

18. The method of claim 7, wherein the amount of collagenase administered is an amount sufficient to provide a concentration in the range of from about 10 to about 15 I.U. per gram cervical tissue.

19. The method of claim 10, wherein the amount of collagenase administered is an amount sufficient to provide a concentration in the range of from about 10 to about 200 I.U. per gram cervical tissue.

20. The method of claim 10, wherein the amount of collagenase administered is an amount sufficient to provide a concentration in the range of from about 10 to about 15 I.U. per gram cervical tissue.

21. The method of claim 10 wherein the collagenase is recombinant collagenase.

22. The method of claim 7, wherein said prostaglandin is pgE.sub.2 .alpha. or pgF.sub.2 .alpha. and said prostaglandin is administered extra-amniotically.

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Serving leading biopharmaceutical companies globally:

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