The primary objective of this study is to compare the bioavailability of a test formulation of Buprenorphine Naloxone Sublingual (SL) spray to that of a single dose of Suboxone® (buprenorphine and naloxone) sublingual film, under fasted conditions.

Inclusion Criteria:

• Meets protocol-specified criteria for qualification and contraception
• Is 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:

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

• Has 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