Pharmacokinetic Evaluation of Intranasal and Intramuscular Naloxone in Healthy Volunteers

Phase 1, Pharmacokinetic Evaluation of Intranasal and Intramuscular Naloxone in Healthy Volunteers

To determine the pharmacokinetics of 4 intranasal doses of naloxone compared to a 0.4 mg dose of naloxone administrated intramuscular and to identify an appropriate intranasal dose that could achieve systemic exposure comparable to an approved parenteral dose. To also determine the pharmacokinetics of two different concentrations of intranasal naloxone and finally, to determine the safety of intranasal naloxone with respect to nasal irritation.

Inclusion Criteria:

• Be able to provide written consent
• Must have a BMI ranging from 18 to 30kg/m2, inclusive
• Must have adequate venous access
• Must not have any clinically significant concurrent medical conditions determine by medical history, physical examination, vital signs, and 12-lead electrocardiogram.
• Must agree to use a reliable double-barrier method of birth control from the start of screening until one week after completing the study. Oral contraceptives are prohibited.
• Must agree to not ingest alcohol, drinks containing xanthine greater than 500 mg/day (e.g., Coca Cola, coffee, tea, etc.), or grapefruit/grapefruit juice or participate in strenuous exercise 72 hours prior to admission through the last blood draw of the study.

Exclusion Criteria:

• Please contact clinical site directly for more information