This study will investigate if the drug zoledronic acid given once yearly is safe and has beneficial effects in treating osteoporosis by reducing bone loss and fractures in men with osteoporosis.
Zoledronic acid 5 mg iv given once a year.
Placebo intravenous (i.v.) once a year
Buenos Aires, Argentina
Córdoba, Argentina
Mar del Plata, Argentina
San Miguel de Tucumán, Argentina