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Filibuvir, a CYP3A4 inhibitor is being developed for the treatment of chronic Hepatitis C infection. Given the likelihood of co administration of filibuvir and methadone, this study will evaluate the effect of filibuvir on the pharmacokinetics of R/S Methadone.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| 1.0 | Experimental |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| filibuvir | Drug | Filibuvir, 600mg bid administered along with methadone on days 2-11 |
|
| Measure | Description | Time Frame |
|---|---|---|
| Methadone plasma pharmacokinetic parameters, AUC24, Cmax | day 1 | |
| Methadone plasma pharmacokinetic parameters, AUC24, Cmax | day 11 |
| Measure | Description | Time Frame |
|---|---|---|
| Methadone plasma pharmacokinetic parameters Tmax and C24h | day 1 | |
| Methadone plasma pharmacokinetic parameters Tmax and C24h | day 11 | |
| Filibuvir plasma pharmacokinetic parameters: Auc 12, Cmax, and Tmax. |
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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 |
|---|---|
| D019698 | Hepatitis C, Chronic |
| ID | Term |
|---|---|
| D006526 | Hepatitis C |
| D000086982 | Blood-Borne Infections |
| D003141 | Communicable Diseases |
| D007239 | Infections |
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| ID | Term |
|---|---|
| C550357 | filibuvir |
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| day 2 |
| Filibuvir plasma pharmacokinetic parameters: Auc 12, Cmax, and Tmax. | day 11 |
| Safety and tolerability, including adverse events, vital signs, 12 lead ECG and lab safety assessments. | days 0-12 |
| Symptoms of methadone withdrawal as assessed by short Opiate Withdrawal Scale, Desires for Drug questionnaire and pupillary diameter measurement . | days 0-12 |
| Overland Park |
| Kansas |
| 66212 |
| United States |
| D006525 |
| Hepatitis, Viral, Human |
| D014777 | Virus Diseases |
| D018178 | Flaviviridae Infections |
| D012327 | RNA Virus Infections |
| D006521 | Hepatitis, Chronic |
| D006505 | Hepatitis |
| D008107 | Liver Diseases |
| D004066 | Digestive System Diseases |
| D002908 | Chronic Disease |
| D020969 | Disease Attributes |
| D010335 | Pathologic Processes |
| D013568 | Pathological Conditions, Signs and Symptoms |