| CPC A61K 9/0019 (2013.01) [A61K 9/19 (2013.01); A61K 31/4045 (2013.01); A61K 45/06 (2013.01)] | 21 Claims |
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1. A pharmaceutical formulation suitable for intramuscular injection, comprising a salt of a compound of Formula IB:
![]() wherein:
n is 0;
R1b is independently selected from —R4b, —OH, —OR4b, —O(CO)R4b, monohydrogen phosphate, —F, —Cl, —Br or —I;
R2b is C(xbH)3;
R3b is C(xbH)3;
each R4b is independently selected from C1-C4alkyl; and
each xbH, ybH and zH is independently selected from protium or deuterium;
and a Brønsted acid having a pKa of from about 3 to about 5;
a base agent, water, and optionally a buffer which is separate to the salt;
wherein the formulation has a pH of from about 5 to about 6.5, a concentration of the compound of Formula IB of about 10 mg/ml or greater as the freebase equivalent, and an osmolality of from about 250 to about 350 mOsm/Kg; and
wherein the formulation comprises a dose of the compound of Formula IB within a volume of 5 ml or less.
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