Fentanyl Sublingual Spray and Fentanyl Citrate Intravenous (IV) in Opioid Naive Subjects

A Phase 1, Open-label, Randomized, Single Ascending Dose Study to Evaluate the Pharmacokinetics, Pharmacodynamics, Safety and Tolerability of Fentanyl Sublingual Spray and Fentanyl Citrate Intravenous (IV) in Opioid Naive Subjects

The primary objective of this study is to determine the pharmacokinetic and pharmacodynamic relationship of a single dose of fentanyl sublingual spray in opioid naive subjects. The secondary objective is to determine the safety and tolerability of fentanyl sublingual spray in opioid naive subjects.

Inclusion Criteria:

• Meets protocol-specified criteria for qualification and contraception
• Willing and able to remain confined in the study unit for the entire duration of each treatment period and comply with restrictions related food, drink and medications
• Voluntarily consents to participate and provides written informed consent prior to any protocol-specific procedures

Exclusion Criteria:

• History or current use of over-the-counter medications, dietary supplements, or drugs (including nicotine and alcohol) outside protocol-specified parameters

• Signs, symptoms or history of any condition that, per protocol or in the opinion of the investigator, might compromise:

  1. the safety or well-being of the participant or study staff
  2. the safety or well-being of the participant's offspring (such as through pregnancy or breast-feeding)
  3. the analysis of results