US RE40,812 E1
Nasal calcitonin formulation
William Stern, Tenafly, N.J. (US)
Assigned to Unigene Laboratories Inc., Boonton, N.J. (US)
Filed on Feb. 05, 2004, as Appl. No. 10/774,358.
Application 10/774358 is a reissue of application No. 09/776537, filed on Feb. 02, 2001, now 6,440,392, filed on Aug. 27, 2002.
Claims priority of provisional application 60/180241, filed on Feb. 04, 2000.
Int. Cl. A61K 9/12 (2006.01); A61K 9/00 (2006.01); A61K 38/23 (2006.01)
U.S. Cl. 424—434  [424/45; 424/455; 514/2; 514/3; 514/12] 11 Claims
 
13. The liquid pharmaceutical composition of claim 1 [ A liquid pharmaceutical composition for nasal administration comprising calcitonin or an acid addition salt thereof and a bioavailability enhancing agent selected from the group consisting of citric acid, citric acid salt and a combination thereof, wherein the combined concentration of all bioavailability enhancing agents is 10-25 mM, said composition ] having a pH of from about 3.5 to about 3.9.