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To estimate the effect of food on the pharmacokinetics and relative bioavailability of oxycodone following oral administration of single 40 mg doses of PF 00345439 Formulation K taken whole or after chewing in healthy volunteers. We have described below the two cohorts each with two arms in this crossover study by listing them as four Arms/Groups in order to capture the differences between the cohorts prior to the crossover and after the crossover. 14 participants are planned for the first cohort and 18 participants are planned for the second cohort.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Treatment A | Experimental | Single dose of 40 mg PF-00345439 under naltrexone block (50 mg of naltrexone administered by mouth 12 hours before, 30 minutes before, and 12 hours after study drug administration). |
|
| Treatment B | Experimental | Single dose of 40 mg PF-00345439 under naltrexone block (50 mg of naltrexone administered by mouth 12 hours before, 30 minutes before, and 12 hours after study drug administration). |
|
| Treatment C | Experimental | Single dose of 40 mg PF-00345439 under naltrexone block (50 mg of naltrexone administered by mouth 12 hours before, 30 minutes before, and 12 hours after study drug administration). |
|
| Treatment D | Experimental | Single dose of 40 mg PF-00345439 under naltrexone block (50 mg of naltrexone administered by mouth 12 hours before, 30 minutes before, and 12 hours after study drug administration). |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Oxycodone | Drug | One capsule of 40 mg PF-00345439 Formulation K, taken whole, single dose, under fasting conditions |
|
| Measure | Description | Time Frame |
|---|---|---|
| Area Under the Curve From Time Zero to Extrapolated Infinite Time [AUC (0 - 8)] | AUC (0 - 8)= Area under the plasma concentration versus time curve (AUC) from time zero (pre-dose) to extrapolated infinite time (0 - 8). It is obtained from AUC (0 - t) plus AUC (t - 8). | 0,0.5,1,2,3,4,5,6,8,10,12,16,24,36,48 |
| Maximum Observed Plasma Concentration (Cmax) | 0,0.5,1,2,3,4,5,6,8,10,12,16,24,36,48 |
| Measure | Description | Time Frame |
|---|---|---|
| Area Under the Curve From Time Zero to Last Quantifiable Concentration (AUClast) | Area under the plasma concentration time-curve from zero to the last measured concentration (AUClast) | 0,0.5,1,2,3,4,5,6,8,10,12,16,24,36,48 |
| Concentration at time 24 hours (C24) |
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Inclusion Criteria:
Exclusion Criteria:
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| Name | Affiliation | Role |
|---|---|---|
| Pfizer CT.gov Call Center | Pfizer | Study Director |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| Pfizer Investigational Site | Overland Park | Kansas | 66211 | United States | ||
| Pfizer Investigational Site |
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| Label | URL |
|---|---|
| To obtain contact information for a study center near you, click here. | View source |
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| ID | Term |
|---|---|
| D010098 | Oxycodone |
| ID | Term |
|---|---|
| D003061 | Codeine |
| D009022 | Morphine Derivatives |
| D009019 | Morphinans |
| D053610 | Opiate Alkaloids |
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| Oxycodone | Drug | One capsule of 40 mg PF-00345439 Formulation K, taken whole, single dose, under fed conditions |
|
| Oxycodone | Drug | One capsule of 40 mg PF-00345439 Formulation K, Chewed, single dose, under fasting conditions |
|
| Oxycodone | Drug | One capsule of 40 mg PF-00345439 Formulation K, Chewed, single dose, under fed conditions |
|
| 0,0.5,1,2,3,4,5,6,8,10,12,16,24,36,48 |
| Time to Reach Maximum Observed Plasma Concentration (Tmax) | 0,0.5,1,2,3,4,5,6,8,10,12,16,24,36,48 |
| Plasma Decay Half-Life (t1/2) | Plasma decay half-life is the time measured for the plasma concentration to decrease by one half. | 0,0.5,1,2,3,4,5,6,8,10,12,16,24,36,48 |
| Overland Park |
| Kansas |
| 66212 |
| United States |
| D000470 |
| Alkaloids |
| D006571 | Heterocyclic Compounds |
| D006572 | Heterocyclic Compounds, Bridged-Ring |
| D006576 | Heterocyclic Compounds, 4 or More Rings |
| D000072471 | Heterocyclic Compounds, Fused-Ring |
| D010616 | Phenanthrenes |
| D011084 | Polycyclic Aromatic Hydrocarbons |
| D011083 | Polycyclic Compounds |