Lyophilized formulations of exendins and exendin agonist analogs

1. A lyophilized formulation comprising about 0.005% (w/v) to about 0.4% (w/v) exendin-4 and about 1.0% (w/v) to about 10% (w/v) mannitol.

2. A lyophilized formulation comprising about 0.005% (w/v) to about 0.4% (w/v) of exendin-4 or an exendin agonist analog thereof and about 1.0% (w/v) to about 10% (w/v) of one or more compounds selected from the group consisting of mannose, ribose, trehalose, maltose, glycerol, inositol, glucose, lactose, galactose, arabinose, sorbitol, mannitol, glycerol, xylitol, a polypropylene/ethylene glycol copolymer, and a polyethylene glycol.

3. The lyophilized formulation of claim 2 , wherein the formulation comprises exendin-4.

4. The lyophilized formulation of claim 2 , wherein the exendin or the exendin agonist analog is present in an amount of about 0.005% (w/v) to about 0.02% (w/v).

5. The lyophilized formulation of claim 2 , wherein the formulation comprises exendin-4.

6. A lyophilized formulation comprising about 0.005% (w/v) to about 0.4% (w/v) of exendin-4 or an exendin agonist analog thereof and about 1.0% (w/v) to about 10% (w/v) of a bulking agent.

7. The lyophilized formulation of claim 6 , wherein the bulking agent is a carbohydrate, a polyhydric alcohol, or a combination thereof.

8. The lyophilized formulation of claim 7 , wherein the carbohydrate is mannose, ribose, trehalose, maltose, glycerol, inositol, glucose, lactose, galactose, or arabinose.

9. The lyophilized formulation of claim 7 , wherein the polyhydric alcohol is sorbitol, mannitol, glycerol, xylitol, a polypropylene/ethylene glycol copolymer, or a polyethylene glycol.

10. The lyophilized formulation of claim 6 , wherein the bulking agent is mannitol.

11. The lyophilized formulation of claim 6 , further comprising about 0.1% (w/v) to about 1.0% (w/v) of a surfactant.

12. The lyophilized formulation of claim 6 , further comprising about 0.02% (w/v) to about 0.5% (w/v) of a buffer.

13. The lyophilized formulation of claim 12 , wherein the buffer is an acetate buffer, a phosphate buffer, a citrate buffer, a glutamate buffer, or a combination of two or more thereof.

14. The lyophilized formulation of claim 6 , further comprising about 0.005% (w/v) to about 1.0% (w/v) of an anti-microbial preservative.

15. The lyophilized formulation of claim 14 , wherein the anti-microbial preservative is m-cresol, benzyl alcohol, methyl paraben, ethyl paraben, propyl paraben, butyl paraben, or phenol.

16. The lyophilized formulation of claim 6 , comprising about 0.005% (w/v) to about 0.02% (w/v) of the exendin or the exendin agonist analog.

17. The lyophilized formulation of claim 6 , comprising about 0.005% (w/v) to about 0.05% (w/v) of the exendin or the exendin agonist analog.

18. The lyophilized formulation of claim 6 , wherein the lyophilized formulation is a unit dosage formulation or a multi-unit dosage formulation.

19. The lyophilized formulation of claim 6 , wherein the exendin or the exendin agonist analog comprises the amino acid sequence of any one of SEQ ID NOs: 4-239.

20. The lyophilized formulation of claim 6 , wherein the formulation comprises exendin-4.