Safety, Tolerability and Pharmacokinetics (PK) Study of Oxytocin (GR121619) Administered Via an Inhaled Route in Healthy Female Volunteers

IM oxytocin 10 IU is a colourless and clear sterile solution in a 1 mL ampoule containing 10 IU of oxytocin, which is administered intramuscularly

IH oxytocin 50 mcg is a powder blend for inhalation in a hard capsule containing 50 mcg of oxytocin, which is administered by oral inhalation.

IH oxytocin 200 mcg is a powder blend for inhalation in a hard capsule containing 200 mcg of oxytocin, which is administered by oral inhalation.

IH oxytocin 400 mcg is a powder blend for inhalation in a hard capsule containing 400 mcg of oxytocin, which is administered by oral inhalation.

IH oxytocin 600 mcg is a powder blend for inhalation in a hard capsule containing 600 mcg of oxytocin, which is administered by oral inhalation.

Placebo is a powder blend for inhalation in a hard capsule containing five inactive components, which is administered by oral inhalation.