Spray freeze dry of compositions for pulmonary administration

Details Spray freeze dry of compositions for pulmonary administration Spray freeze dry of compositions for pulmonary administration

2011-04-12

2011-04-12

Lucas, Zachariah (Department: 1648)

Drug, bio-affecting and body treating compositions

Preparations characterized by special physical form

Particulate form

C424S491000, C424S492000, C424S493000, C424S497000, C424S499000

Reexamination Certificate

active

07923029

ABSTRACT:
This invention provides methods and compositions to preserve bioactive materials, such as viruses, bacteria, cells, or liposomes, in freeze dried particles suitable for pulmonary administration. Methods provide spray freeze drying of formulations to form stable freeze dried particles.

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