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Generated: September 23, 2017

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Title: Pulmonary delivery of active fragments of parathyroid hormone
Abstract:Systemic delivery of parathyroid hormone to a mammalian host is accomplished by inhalation through the mouth of a dispersion of an N-terminal fragment of PTH. It has been found that such respiratory delivery of the PTH fragment provides a pulsatile concentration profile of the PTH in the host's serum. PTH fragment compositions include dry powder formulations having the PTH present in a dry bulking powder, liquid solutions or suspensions suitable for nebulization, and aerosol propellants suitable for use in a metered dose inhaler.
Inventor(s): Patton; John S. (San Carlos, CA)
Assignee: Inhale Therapeutic Systems (San Carlos, CA)
Filing Date:Aug 03, 1998
Application Number:09/128,401
Claims:1. A method for delivery of a biologically active N-terminal fragment of parathyroid hormone (PTH) comprising administering to a mammal a pharmaceutical composition comprising said PTH fragment together with a pharmaceutically acceptable dry bulking powder, wherein said PTH fragment is present in said pharmaceutical composition as a dry powder having a mean particulate size in the range from 0.5 .mu.m to 5 .mu.m; and

wherein said composition is administered by inhalation.

2. A method as in claim 1, wherein the bulking powder is composed of a material selected from the group consisting of sucrose, lactose, trehalose, HSA, glycine, cellobiose, dextran, maltotriose, pectin, sodium citrate, sodium ascorbate, and mannitol.

3. A pharmaceutical composition comprising a biologically active N-terminal fragment of parathyroid hormone (PTH) present as a dry powder having a mean particulate size in the range from 0.5 .mu.m to 5 .mu.m; and a pharmaceutically acceptable dry bulking powder, wherein the PTH is present at from 1% to 25% by weight, wherein the dry powder is present as an aerosol in a gas.

4. A pharmaceutical composition as in claim 3, wherein the bulking powder is composed of a material selected from the group consisting of sucrose, lactose, trehalose, HSA, glycine, cellobiose, dextran, maltotriose, pectin, sodium citrate, sodium ascorbate, and mannitol.
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Serving 500+ biopharmaceutical companies globally:

Novartis
Fish and Richardson
US Department of Justice
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Boehringer Ingelheim
Colorcon
QuintilesIMS
Fuji
Cerilliant

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