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Compositions and method for the parenteral administration of thyroxine

  • US 3,035,974 A
  • Filed: 02/18/1960
  • Issued: 05/22/1962
  • Est. Priority Date: 02/18/1960
  • Status: Expired due to Term
First Claim
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1. AN INJECTABLE PHARMACCEUTICAL COMPOSITION FOR THE PARENTERAL THERAPEUTIC USE OF THYROXINE, SAID COMPOSITION BEING THERAPEUTICALLY ACCEPTACLE FOR SUCH THERAPY AT A PROTRACTED DOSAGE REGIMEN UBDER WHICH ITS THYROXINE CONTENT WOULD PROVOKE TOXIC MANIFESTATIONS IF ADMINISTERED ALONE, CONSISTING ESSENTIALLY OF AN AQUEOUS MEDIUM CONTAINING NOT LESS THAN ABOUT 0.06 MG/ML OF A WATER-SOLUBLE SALT OF THYROXINE, AND ALSO VITAMIN B12 AND GELATIN, THE GELATIN BEING PRESENT IN AN AMOUNT GREATER THAN THE B12 AND THE B12 AND GELATIN TOGETHER HAVING AT LEAST ABOUT FIVE TIMES THE WEIGHT OF THE THYROXINE, THE B12 AND GELATIN BEING ASSOCIATED WITH EACH OTHER IN THE FORM OF A MACROANIONIC SUBSTANCE IN DISPERSED PHASE AND HAVING A MOLECULAR WEIGHT OF AT LEAST ABOUT 100,000.

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