Healthy Subjects Clinical Trial
Official title:
Clinical Study to Investigate the Pharmacokinetics of Multiple Repeated Doses of Intranasal Naloxone
Verified date | November 2023 |
Source | Food and Drug Administration (FDA) |
Contact | n/a |
Is FDA regulated | No |
Health authority | |
Study type | Interventional |
Intranasal (IN) naloxone is available as 2 mg or 4 mg dose with the indication to re-administer additional doses every 2 to 3 minutes (using alternating nostrils) if needed until emergency medical assistance arrives. The 4 mg dose is distributed in packages of two nasal sprays (1 dose per nasal spray), but additional doses can be administered if needed and available. While the pharmacokinetics of IN naloxone have been determined following administration of a 4 mg dose in each nostril concurrently, the pharmacokinetics have not been determined following multiple doses when there is a 2-3 minute delay between doses and when doses are re-administered to the same nostril. Obtaining data with repeat dosing will inform if and how fast naloxone plasma concentrations can be reached to be able to reverse highly-potent opioid overdoses. This study will be a randomized, unblinded, three-way crossover study to determine naloxone plasma concentration after administration of multiple doses: A. Four 4 mg IN naloxone doses (1 dose every 2.5 minutes) B. Four 4 mg IN naloxone doses (2 doses every 2.5 minutes) C. Two 4 mg IN naloxone doses (1 dose every 2.5 minutes)
Status | Completed |
Enrollment | 21 |
Est. completion date | March 20, 2021 |
Est. primary completion date | March 20, 2021 |
Accepts healthy volunteers | Accepts Healthy Volunteers |
Gender | All |
Age group | 18 Years to 55 Years |
Eligibility | Inclusion Criteria: 1. Subject signs an Institutional Review Board (IRB) approved written informed consent and privacy language as per national regulations (e.g., Health Insurance Portability and Accountability Act authorization [HIPAA]) before any study related procedures are performed. 2. Subject is a healthy, non-smoking man or woman, 18 to 55 years of age, inclusive, who has a body mass index of 18.5 to 32 kg/m2, inclusive, at Screening. 3. Subject has normal medical history findings, clinical laboratory results, vital sign measurements, 12 lead ECG results, and physical examination findings at screening or, if abnormal, the abnormality is not considered clinically significant (as determined and documented by the investigator or designee). 4. Subject must have a negative test result for alcohol and drugs of abuse at screening and check-in (Day -1). 5. Subject must test negative for severe acute respiratory syndrome coronavirus (SARS-CoV-2) by a molecular diagnostic test at check-in (Day -1). If a subject's test comes back inconclusive, it can be repeated. 6. Female subjects must be of non-childbearing potential or, if they are of childbearing potential, they must: 1) have been strictly abstinent for 1 month before check-in (Day -1) and agree to remain strictly abstinent for the duration of the study and for at least 1month after the last application of study drug; OR 2) be practicing 2 highly effective methods of birth control (as determined by the investigator or designee; one of the methods must be a barrier technique) from at least 1 month before check-in (Day -1) until at least 1 month after the end of the study. 7. Male subjects must agree to practice 2 highly effective methods of birth control (as determined by the investigator or designee) from at least 1 month before check-in (Day -1) until at least 1 month after the last application of study drug. 8. Subject is highly likely (as determined by the investigator) to comply with the protocol defined procedures and to complete the study. Exclusion Criteria: 1. Subject has a deviated septum or previous nasal surgeries or need to use another nasal spray product during study that would impact administration of the intranasal drug. 2. Subject has had an episode of epistaxis or an upper respiratory infection in the previous month. 3. Subject has used any prescription or nonprescription drugs (including aspirin or NSAIDs and excluding oral contraceptives and acetaminophen) within 14 days or 5 half-lives (whichever is longer) or complementary and alternative medicines within 28 days before the first dose of study drug. 4. Subject is currently participating in another clinical study of an investigational drug or has been dosed with any investigational drug within 30 days or 5 half-lives (whichever is longer) of the compound. 5. Subject has used nicotine-containing products (e.g., cigarettes, cigars, chewing tobacco, snuff) within 6 weeks of Screening. 6. Subject has consumed alcohol, xanthine containing products (e.g., tea, coffee, cola), caffeine, grapefruit, or grapefruit juice within 24 h of check-in. Subjects must refrain from ingesting these throughout the study. 7. Subject has any underlying disease or surgical or medical condition (e.g., cancer, human immunodeficiency virus [HIV], severe hepatic or renal impairment) that could put the subject at risk or would normally prevent participation in a clinical study. This includes subjects with any underlying medical conditions that the Investigator believes would put subjects at increased risk of severe illness from COVID-19 based on the Centers for Disease Control and Prevention (CDC) guidelines. The CDC lists cancer, chronic kidney disease, chronic obstructive pulmonary disease, immunocompromised state from solid organ transplant, severe obesity, serious heart conditions, sickle cell disease, pregnancy, smoking and type 2 diabetes mellitus as conditions that put subjects at increased risk. Additionally, the CDC lists asthma (moderate-to-severe), cerebrovascular disease, cystic fibrosis, hypertension, immunocompromised state or immune deficiencies, neurologic conditions such as dementia, liver disease, pulmonary fibrosis, thalassemia, overweight, type 1 diabetes mellitus as conditions that might put subjects at increased risk. 8. Subject has any signs or symptoms that are consistent with COVID-19 per CDC recommendations. These include subjects with fever or chills, cough, shortness of breath or difficulty breathing, fatigue, muscle or body aches, headache, new loss of taste or smell, sore throat, congestion or runny nose, nausea or vomiting, or diarrhea may have COVID-19. In addition, the subject has any other findings suggestive of COVID-19 risk in the opinion of the investigator. 9. Subject has known or suspected allergies or sensitivities to the study drug. 10. Subject has clinical laboratory test results (hematology, serum chemistry and urinalysis) at Screening or check-In that are outside the reference ranges provided by the clinical laboratory and considered clinically significant by the investigator. 11. Subject has a positive test result at Screening for HIV 1 or 2 antibody, hepatitis C virus antibodies, or hepatitis B surface antigen. 12. Subject is unable or unwilling to undergo multiple venipunctures for blood sample collection because of poor tolerability or unlikely to complete the trial due to poor venous access. 13. Female subject is pregnant or lactating before enrollment in the study. |
Country | Name | City | State |
---|---|---|---|
United States | Spaulding Clinical Research | West Bend | Wisconsin |
Lead Sponsor | Collaborator |
---|---|
Food and Drug Administration (FDA) | Spaulding Clinical Research LLC |
United States,
Type | Measure | Description | Time frame | Safety issue |
---|---|---|---|---|
Other | Naloxone Cmax | PK parameter for Cmax will be calculated | 0 [pre-dose], 2, 4.5, 7, 10, 12.5, 15, 20, 30, 45, 60, 120, 180, 240, 360, and 720 minutes | |
Other | Naloxone AUC0-inf | PK parameter AUC0-inf for naloxone will be calculated | 0 [pre-dose], 2, 4.5, 7, 10, 12.5, 15, 20, 30, 45, 60, 120, 180, 240, 360, and 720 minutes | |
Other | Naloxone AUC0-t | PK parameter AUC0-t for naloxone will be calculated | 0 [pre-dose], 2, 4.5, 7, 10, 12.5, 15, 20, 30, 45, 60, 120, 180, 240, 360, and 720 minutes | |
Other | Naloxone Time of Maximum Concentration (Tmax) | PK parameter tmax for naloxone will be calculated | 0 [pre-dose], 2, 4.5, 7, 10, 12.5, 15, 20, 30, 45, 60, 120, 180, 240, 360, and 720 minutes | |
Other | Naloxone Partial Area Under the Curve (pAUC) From First Dose to 30 Minutes | PK parameter pAUC from time 0 to 30 minutes for naloxone will be calculated | 0 [pre-dose], 2, 4.5, 7, 10, 12.5, 15, 20, and 30 minutes | |
Primary | First Timepoint When There is a Higher Naloxone Plasma Concentration in the 4 Naloxone Dose Arm (1 Every 2.5 Min) Compared to the 2 Naloxone Dose Arm (1 Every 2.5 Min) | Naloxone plasma concentrations will be determined at specified timepoints. The four naloxone nasal spray dose arm (1 dose every 2.5 min) will be compared separately to the two naloxone nasal spray dose arm (1 dose every 2.5 min). | 10, 12.5, and 15 minutes, 10 minutes reported | |
Primary | First Timepoint When There is a Higher Naloxone Plasma Concentration in the 4 Naloxone Dose Arm (2 Doses Every 2.5 Min) Compared to the 2 Naloxone Dose Arm (1 Every 2.5 Min) | Naloxone plasma concentrations will be determined at specified timepoints. The four naloxone nasal spray dose arm (2 doses every 2.5 min) will be compared separately to the two naloxone nasal spray dose arm (1 dose every 2.5 min). | 4.5, 7, and 10 minutes | |
Secondary | First Timepoint When There is a Higher Naloxone Plasma Concentration in the 4 Naloxone Dose Arm B (2 Doses Every 2.5 Min) Compared to the 4 Naloxone Dose Arm A (1 Dose Every 2.5 Minutes) | Naloxone plasma concentrations will be determined at specified timepoints. The 4 naloxone dose arm B (2 doses every 2.5 min) will be compared to the 4 naloxone dose arm A (1 dose every 2.5 min) | 4.5, 7, and 10 minutes | |
Secondary | Dose-proportionality of the 4 Naloxone Dose Arms in Reference to the 2 Naloxone Dose Arm Based on Maximum Concentration (Cmax). | Dose proportionality based on Cmax will be compared between each of the three IN naloxone treatments as a secondary endpoint. For the comparisons, the 4 naloxone dose arms will be considered as the test and the reference will be the 2 naloxone dose arm. An additional comparison will be performed between the 4 naloxone dose arm B (2 doses every 2.5 min) as test and the 4 naloxone dose arm A (1 dose every 2.5 min) as reference. Values are reported as dose-normalized Cmax. | 0 [pre-dose], 2, 4.5, 7, 10, 12.5, 15, 20, 30, 45, 60, 120, 180, 240, 360, and 720 minutes | |
Secondary | Dose-proportionality of the 4 Naloxone Dose Arms in Reference to the 2 Naloxone Dose Arm Based on Area Under the Curve From Time 0 to Infinity (AUC0-inf) | Dose proportionality based on AUC0-inf will be compared between each of the three IN naloxone treatments as a secondary endpoint. For the comparisons, the 4 naloxone dose arms will be considered as the test and the reference will be the 2 naloxone dose arm. An additional comparison will be performed between the 4 naloxone dose arm B (2 doses every 2.5 min) as test and the 4 naloxone dose arm A (1 dose every 2.5 min) as reference. Values are reported as dose-normalized AUC0-inf. | 0 [pre-dose], 2, 4.5, 7, 10, 12.5, 15, 20, 30, 45, 60, 120, 180, 240, 360, and 720 minutes | |
Secondary | Dose-proportionality of the 4 Naloxone Dose Arms in Reference to the 2 Naloxone Dose Arm Based on Area Under the Curve From Time 0 to Last Sample (AUC0-t) | Dose proportionality based on AUC0-t will be compared between each of the three IN naloxone treatments as a secondary endpoint. For the comparisons, the 4 naloxone dose arms will be considered as the test and the reference will be the 2 naloxone dose arm. An additional comparison will be performed between the 4 naloxone dose arm B (2 doses every 2.5 min) as test and the 4 naloxone dose arm A (1 dose every 2.5 min) as reference. Values are reported as dose-normalized AUC0-t. | 0 [pre-dose], 2, 4.5, 7, 10, 12.5, 15, 20, 30, 45, 60, 120, 180, 240, 360, and 720 minutes | |
Secondary | Predicted Time to Rescue a Patient From Simulated Opioid-induced Respiratory Depression From Fentanyl for a Medium Overdose Scenario | Data from this study will be combined with an existing pharmacokinetic/pharmacodynamic (PK/PD) model for opioid-induced respiratory depression to determine mean time to rescue. An intravenous fentanyl dose of 1.63 mg was selected as representative of a medium overdose scenario. The first naloxone dose in the simulations was administered 1 minute after ventilation decreased to 40% of baseline. Brain hypoxia (time to rescue a simulated patient) was defined as time brain oxygen partial pressure was less than 20 mm Hg and cardiac arrest was defined as the time cardiac output was less than 0.01 L/min. A value of 120 minutes means that simulated patients for that measure/dispersion metric were not predicted to recovered for the opioid dose and intervention. | 720 minutes | |
Secondary | Predicted Time to Rescue a Patient From Simulated Opioid-induced Respiratory Depression From Fentanyl for a High Overdose Scenario | Data from this study will be combined with an existing pharmacokinetic/pharmacodynamic (PK/PD) model for opioid-induced respiratory depression to determine mean time to rescue. An intravenous fentanyl dose of 2.97 mg was selected as representative of a medium overdose scenario. The first naloxone dose in the simulations was administered 1 minute after ventilation decreased to 40% of baseline. Brain hypoxia (time to rescue a simulated patient) was defined as time brain oxygen partial pressure was less than 20 mm Hg and cardiac arrest was defined as the time cardiac output was less than 0.01 L/min. A value of 120 minutes means that simulated patients for that measure/dispersion metric were not predicted to recovered for the opioid dose and intervention. | 720 minutes | |
Secondary | Predicted Time to Rescue a Patient From Simulated Opioid-induced Respiratory Depression From Carfentanil for a Medium Overdose Scenario | Data from this study will be combined with an existing pharmacokinetic/pharmacodynamic (PK/PD) model for opioid-induced respiratory depression to determine mean time to rescue. An intravenous carfentanil dose of 0.012 mg was selected as representative of a medium overdose scenario. The first naloxone dose in the simulations was administered 1 minute after ventilation decreased to 40% of baseline. Brain hypoxia (time to rescue a simulated patient) was defined as time brain oxygen partial pressure was less than 20 mm Hg and cardiac arrest was defined as the time cardiac output was less than 0.01 L/min. A value of 120 minutes means that simulated patients for that measure/dispersion metric were not predicted to recovered for the opioid dose and intervention. | 720 min | |
Secondary | Predicted Time to Rescue a Patient From Simulated Opioid-induced Respiratory Depression From Carfentanil for a High Overdose Scenario | Data from this study will be combined with an existing pharmacokinetic/pharmacodynamic (PK/PD) model for opioid-induced respiratory depression to determine mean time to rescue. An intravenous carfentanil dose of 0.022 mg was selected as representative of a medium overdose scenario. The first naloxone dose in the simulations was administered 1 minute after ventilation decreased to 40% of baseline. Brain hypoxia (time to rescue a simulated patient) was defined as time brain oxygen partial pressure was less than 20 mm Hg and cardiac arrest was defined as the time cardiac output was less than 0.01 L/min. A value of 120 minutes means that simulated patients for that measure/dispersion metric were not predicted to recovered for the opioid dose and intervention. | 720 min |
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