Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – 3,10-dihydroxy-2-naphthacene carboxamide or derivative doai
Patent
1990-02-26
1991-11-12
Friedman, Stanley J.
Drug, bio-affecting and body treating compositions
Designated organic active ingredient containing
3,10-dihydroxy-2-naphthacene carboxamide or derivative doai
424114, A01N 3718, A61K 3500
Patent
active
050648217
ABSTRACT:
The present invention provides an improved methodology by which therapeutically to overcome resistance to tetracycline in living cells including bacteria, parasites, fungi, and rickettsiae. The methodology employs 13-(substituted mercapto) derivatives of tetracycline in combination with other tetracycline-type antibiotics as a synergistic combination of compositions to be administered simultaneously or concurrently. The concomittantly administered compositions effectively overcome the tetracycline resistant mechanisms present such that the cell is effectively converted from a tetracycline-resistant state to a tetracycline-sensitive state. The combination also effects a synergistic bacteriocidal activity against susceptible and resistant cells.
REFERENCES:
patent: 3236736 (1966-02-01), Fitch et al.
patent: 3454697 (1969-07-01), Joyner et al.
patent: 3863009 (1975-01-01), Johnston
Criares T.
Friedman Stanley J.
Prashker David
Trustees of Tufts College
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