The present invention provides a non-buffered, neutral pH easily prepared, storage-stable composition containing a parathyroid hormone-related protein (PTHrP) analogue and methods of using a PTHrP analogue and the PTHrP compositions described herein to treat osteoporosis, to increase bone mass or to increase bone quality. The composition has a non-buffered neutral pH which avoids injection site reactions and is easy to prepare and storage stable, in sterile form, and in general may be stored at room temperature for at least several weeks to allow convenient parenteral administration to human patients.
