This study will also evaluate the pharmacokinetics (pk) of single ascending intravenous doses and single ascending sc doses of ASP6294; determine the effect of ASP6294 administered intravenously and sc on the serum levels of circulating total Nerve Growth Factor (NGF); explore a potential gender difference in safety, tolerability and pk of single intravenous dose and single sc doses administrations of ASP6294 as well as determine the maximum tolerated dose (MTD) of single intravenous doses and single sc doses of ASP6294.