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PF-04457845 has been shown to temporarily decrease the dream (REM) period of sleep in rats, which suggests that PF-04457845 is active in rat's brains. This study is designed to see whether this is also the case in man.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| PF-04457845 followed by placebo | Experimental |
| |
| Placebo followed by PF-04457845 | Experimental |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| PF-04457845 / matched placebo | Drug | PF-04457845 4 mg tablet once daily / matched placebo |
|
| Measure | Description | Time Frame |
|---|---|---|
| Percentage of total sleep time spent in REM (ie, time spent in REM/total sleep time) | 3 days |
| Measure | Description | Time Frame |
|---|---|---|
| Minutes of REM sleep time | 3 days | |
| Percentage of total sleep time spent in Stage 1 sleep | 3 days | |
| Percentage of total sleep time spent in Stage 2 sleep |
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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 | New York | New York | 10019 | United States |
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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 |
|---|---|
| C560620 | N-pyridazin-3-yl-4-(3-((5-(trifluoromethyl)pyridin-2-yl)oxy)benzylidene)piperidine-1-carboxamide |
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| PF-04457845 / matched placebo | Drug | PF-04457845 4 mg tablet once daily / matched placebo |
|
| 3 days |
| Percentage of total sleep time spent in Stage 3-4 sleep | 3 days |
| Total sleep time | 3 days |
| Wake after sleep onset (sum of wake time during sleep and prior to final awakening) and wake time after sleep) (WASO) | 3 days |
| Number of arousals after sleep onset (NASO) | 3 days |
| Latency to persistent sleep | 3 days |
| Plasma concentrations of PF-04457845 | 3 days |
| Plasma concentrations of fatty acid amides (N-arachidonyl ethanolamine (anandamide, AEA), palmitoylethanolamide (PEA), oleoylethanolamide (OEA) and linoleoyl ethanolamine (LEA)) | 3 days |
| Beta-band spectral power (qEEG) measured with eyes open and eyes closed while subjects are awake immediately before lights off for each PSG | 3 days |
| Beta-band spectral power (qEEG) measured with eyes open and eyes closed while subjects are awake immediately after lights on for each PSG | 3 days |
| Beta-band spectral power (qEEG) measured while subjects are asleep during the sleep onset period (SOP) and first 3 periods of NREM sleep | 3 days |