The most common grade @ or @ adverse events were fatigue ( @ -LSB- @ % -RSB- of @ patients allocated zoledronic acid vs @ -LSB- @ % -RSB- of @ allocated ibandronic acid ) , increased bone pain ( @ -LSB- corrected -RSB- -LSB- @ % -RSB- vs @ -LSB- corrected -RSB- -LSB- @ % -RSB- ) , joint pain ( @ -LSB- corrected -RSB- -LSB- @ % -RSB- vs @ -LSB- @ % -RSB- ) , infection ( @ -LSB- @ % -RSB- vs @ -LSB- corrected -RSB- -LSB- @ % -RSB- ) , and nausea or vomiting ( @ -LSB- @ % -RSB- vs @ -LSB- @ % -RSB- ) .