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| Name | Class |
|---|---|
| National Institute on Drug Abuse (NIDA) | NIH |
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Cocaine use disorders are an unrelenting public health concern. Intensive research efforts have yielded behavioral interventions that reduce cocaine use, however, these interventions are not universally effective and treatment effects diminish over time. Development of a pharmacotherapy that enhances the efficacy of these interventions is a priority for the National Institute on Drug Abuse. This study proposes to determine the impact of buspirone maintenance on self-administration of cocaine and alternative reinforcers. These preliminary data will be used to support further research developing buspirone as a pharmacotherapy for cocaine use disorders. We hypothesize that buspirone will attenuate the reinforcing effects of cocaine and increase the reinforcing effects of alternative reinforcers.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Buspirone | Experimental | Subjects will be maintained on 30 mg buspirone daily. |
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| Placebo | Placebo Comparator | Subjects will be maintained on placebo (i.e., 0 mg buspirone daily). |
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| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Buspirone | Drug | Subjects will be maintained on oral buspirone (10 mg administered 3 times daily) for 6 days each during the study in random order. |
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| Measure | Description | Time Frame |
|---|---|---|
| Number of Times Cocaine Was Selected in the Presence of a Monetary Reward Alternative | The reinforcing effects of cocaine were determined using a modified progressive ratio procedure (Stoops et al., 2010) in which subjects made 6 choices between available each available cocaine dose and money (US$0.25). Reinforcing effects are measured for each cocaine dose during both buspirone and placebo maintenance. | One test per cocaine dose level per intervention for each participant over his/her 2 week inpatient admission |
| Measure | Description | Time Frame |
|---|---|---|
| Peak Score on Sedative Subscale of the Adjective Rating Scale | Subjects completed 16 items that loaded into the Sedative Subscale of the Adjective Rating Scale. The items were rated 0-4 on a Likert-type scale and the sum for the 16 "sedative" items was summed to yield the Sedative Subscale score. The maximum score for this scale was 64, the minimum was 0. Higher values represent greater subjective effects on this item. Peak scores were calculated from multiple assessments for each cocaine dose under both buspirone and placebo conditions. |
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Inclusion Criteria:
Exclusion Criteria:
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| Name | Affiliation | Role |
|---|---|---|
| William W Stoops, Ph.D. | University of Kentucky | Principal Investigator |
| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| University of Kentucky Medical Center | Lexington | Kentucky | 40536 | United States |
| PubMed Identifier | Type | Citation | Retractions |
|---|---|---|---|
| 20638380 | Background | Stoops WW, Lile JA, Glaser PE, Hays LR, Rush CR. Intranasal cocaine functions as reinforcer on a progressive ratio schedule in humans. Eur J Pharmacol. 2010 Oct 10;644(1-3):101-5. doi: 10.1016/j.ejphar.2010.06.055. Epub 2010 Jul 16. |
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| ID | Title | Description |
|---|---|---|
| FG000 | Buspirone Then Placebo | Subjects were maintained on 30 mg buspirone daily for 6 days, then they were crossed over to placebo daily for 6 days. |
| FG001 | Placebo Then Buspirone | Subjects were maintained on placebo daily for 6 days, then they were crossed over to 30 mg buspirone daily for 6 days. |
| Title | Milestones | Reasons Not Completed | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Overall Study |
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| ID | Title | Description |
|---|---|---|
| BG000 | All Study Participants | Subjects were maintained on oral buspirone (10 mg administered 3 times daily) or placebo for 6 days each during the study in random order. |
| Units | Counts |
|---|---|
| Participants |
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| Title | Description | Population Description | Parameter Type | Dispersion Type | Unit of Measure | Calculate Percentage | Denominator Units Selected | Denominators | Classes |
|---|---|---|---|---|---|---|---|---|---|
| Age, Continuous | Mean |
| Type | Title | Description | Population Description | Reporting Status | Anticipated Posting Date | Parameter Type | Dispersion Type | Unit of Measure | Calculate Percentage | Time Frame | Units Analyzed | Denominator Units Selected | Arm/Group Information | Denominators | Classes | Analyses | ||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Primary | Number of Times Cocaine Was Selected in the Presence of a Monetary Reward Alternative | The reinforcing effects of cocaine were determined using a modified progressive ratio procedure (Stoops et al., 2010) in which subjects made 6 choices between available each available cocaine dose and money (US$0.25). Reinforcing effects are measured for each cocaine dose during both buspirone and placebo maintenance. | Posted | Mean | Standard Error | Number of Cocaine Choices | One test per cocaine dose level per intervention for each participant over his/her 2 week inpatient admission |
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| ID | Title | Description | Deaths (Affected) | Deaths (At Risk) | Serious Events (Affected) | Serious Events (At Risk) | Other Events (Affected) | Other Events (At Risk) |
|---|---|---|---|---|---|---|---|---|
| EG000 | Buspirone | Subjects will be maintained on buspirone. Buspirone: Subjects will be maintained on oral buspirone (administered 3 times daily) or placebo for 6 days each during the study in random order. These subjects will be the same as those who are maintained on placebo (i.e., the study uses a within-subjects design). |
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| Title | Organization | Phone | Extension | |
|---|---|---|---|---|
| William W. Stoops, Ph.D. | University of Kentucky | 859-257-5388 | william.stoops@uky.edu |
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| ID | Term |
|---|---|
| D002065 | Buspirone |
| ID | Term |
|---|---|
| D013141 | Spiro Compounds |
| D006844 | Hydrocarbons, Cyclic |
| D006838 | Hydrocarbons |
| D009930 | Organic Chemicals |
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| Placebo | Drug | Subjects will be maintained on oral placebo (0 mg administered 3 times daily) for 6 days each during the study in random order. |
|
| Subjects completed this measure at 15 minute intervals for 45 minutes after sampling each cocaine dose under both buspirone and placebo maintenance conditions. |
| Peak Systolic Blood Pressure | Systolic blood pressure was measured with an automated monitor. Higher values represent greater systolic pressure. Peak scores were calculated from multiple assessments for each cocaine dose under both buspirone and placebo conditions. | This measure was completed at 15 minute intervals for 45 minutes after sampling each cocaine dose under both buspirone and placebo maintenance conditions. |
| Peak Score on Stimulant Subscale of the Adjective Rating Scale | Subjects completed 16 items that loaded into the Stimulant Subscale of the Adjective Rating Scale. The items were rated 0-4 on a Likert-type scale and the sum for the 16 "sedative" items was summed to yield the Stimulant Subscale score. The maximum score for this scale was 64, the minimum was 0. Higher values represent greater subjective effects on this item. Peak scores were calculated from multiple assessments for each cocaine dose under both buspirone and placebo conditions. | Subjects completed this measure at 15 minute intervals for 45 minutes after sampling each cocaine dose under both buspirone and placebo maintenance conditions. |
| Peak Ratings of "Active, Alert, Energetic" on the Visual Analog Scale | Subjects rated their feelings of "Active, Alert, Energetic" on a Visual Analog Scale. This item was rated from 0 (minimum)-100 (maximum) on a Visual Analog Scale. Higher values represent greater subjective effects on this item. Peak scores were calculated from multiple assessments for each cocaine dose under both buspirone and placebo conditions. | Subjects completed this measure at 15 minute intervals for 45 minutes after sampling each cocaine dose under both buspirone and placebo maintenance conditions. |
| Peak Ratings of "Any Effect" on the Visual Analog Scale | Subjects rated their feelings of "Any Effect" on a Visual Analog Scale. This item was rated from 0 (minimum)-100 (maximum) on a Visual Analog Scale. Higher values represent greater subjective effects on this item. Peak scores were calculated from multiple assessments for each cocaine dose under both buspirone and placebo conditions. | Subjects completed this measure at 15 minute intervals for 45 minutes after sampling each cocaine dose under both buspirone and placebo maintenance conditions. |
| Peak Ratings of "Bad Effects" on the Visual Analog Scale | Subjects rated their feelings of "Bad Effects" on a Visual Analog Scale. This item was rated from 0 (minimum)-100 (maximum) on a Visual Analog Scale. Higher values represent greater subjective effects on this item. Peak scores were calculated from multiple assessments for each cocaine dose under both buspirone and placebo conditions. | Subjects completed this measure at 15 minute intervals for 45 minutes after sampling each cocaine dose under both buspirone and placebo maintenance conditions. |
| Peak Ratings of "Euphoric" on the Visual Analog Scale | Subjects rated their feelings of "Euphoric" on a Visual Analog Scale. This item was rated from 0 (minimum)-100 (maximum) on a Visual Analog Scale. Higher values represent greater subjective effects on this item. Peak scores were calculated from multiple assessments for each cocaine dose under both buspirone and placebo conditions. | Subjects completed this measure at 15 minute intervals for 45 minutes after sampling each cocaine dose under both buspirone and placebo maintenance conditions. |
| Peak Ratings of "Good Effects" on the Visual Analog Scale | Subjects rated their feelings of "Good Effects" on a Visual Analog Scale. This item was rated from 0 (minimum)-100 (maximum) on a Visual Analog Scale. Higher values represent greater subjective effects on this item. Peak scores were calculated from multiple assessments for each cocaine dose under both buspirone and placebo conditions. | Subjects completed this measure at 15 minute intervals for 45 minutes after sampling each cocaine dose under both buspirone and placebo maintenance conditions. |
| Peak Ratings of "High" on the Visual Analog Scale | Subjects rated their feelings of "High" on a Visual Analog Scale. This item was rated from 0 (minimum)-100 (maximum) on a Visual Analog Scale. Higher values represent greater subjective effects on this item. Peak scores were calculated from multiple assessments for each cocaine dose under both buspirone and placebo conditions. | Subjects completed this measure at 15 minute intervals for 45 minutes after sampling each cocaine dose under both buspirone and placebo maintenance conditions. |
| Peak Ratings of "Irregular/Racing Heartbeat" on the Visual Analog Scale | Subjects rated their feelings of "Irregular/Racing Heartbeat" on a Visual Analog Scale. This item was rated from 0 (minimum)-100 (maximum) on a Visual Analog Scale. Higher values represent greater subjective effects on this item. Peak scores were calculated from multiple assessments for each cocaine dose under both buspirone and placebo conditions. | Subjects completed this measure at 15 minute intervals for 45 minutes after sampling each cocaine dose under both buspirone and placebo maintenance conditions. |
| Peak Ratings of "Like Drug" on the Visual Analog Scale | Subjects rated their feelings of "Like Drug" on a Visual Analog Scale. This item was rated from 0 (minimum)-100 (maximum) on a Visual Analog Scale. Higher values represent greater subjective effects on this item. Peak scores were calculated from multiple assessments for each cocaine dose under both buspirone and placebo conditions. | Subjects completed this measure at 15 minute intervals for 45 minutes after sampling each cocaine dose under both buspirone and placebo maintenance conditions. |
| Peak Ratings of "Nauseated, Queasy, Sick to Stomach" on the Visual Analog Scale | Subjects rated their feelings of "Nauseated, Queasy, Sick to Stomach" on a Visual Analog Scale. This item was rated from 0 (minimum)-100 (maximum) on a Visual Analog Scale. Higher values represent greater subjective effects on this item. Peak scores were calculated from multiple assessments for each cocaine dose under both buspirone and placebo conditions. | Subjects completed this measure at 15 minute intervals for 45 minutes after sampling each cocaine dose under both buspirone and placebo maintenance conditions. |
| Peak Ratings of "Nervous, Anxious" on the Visual Analog Scale | Subjects rated their feelings of "Nervous, Anxious" on a Visual Analog Scale. This item was rated from 0 (minimum)-100 (maximum) on a Visual Analog Scale. Higher values represent greater subjective effects on this item. Peak scores were calculated from multiple assessments for each cocaine dose under both buspirone and placebo conditions. | Subjects completed this measure at 15 minute intervals for 45 minutes after sampling each cocaine dose under both buspirone and placebo maintenance conditions. |
| Peak Ratings of "Willing to Pay For" on the Visual Analog Scale | Subjects rated their feelings of "Willing to Pay For" on a Visual Analog Scale. This item was rated from 0 (minimum)-100 (maximum) on a Visual Analog Scale. Higher values represent greater subjective effects on this item. Peak scores were calculated from multiple assessments for each cocaine dose under both buspirone and placebo conditions. | Subjects completed this measure at 15 minute intervals for 45 minutes after sampling each cocaine dose under both buspirone and placebo maintenance conditions. |
| Peak Ratings of "Performance Impaired" on the Visual Analog Scale | Subjects rated their feelings of "Performance Impaired" on a Visual Analog Scale. This item was rated from 0 (minimum)-100 (maximum) on a Visual Analog Scale. Higher values represent greater subjective effects on this item. Peak scores were calculated from multiple assessments for each cocaine dose under both buspirone and placebo conditions. | Subjects completed this measure at 15 minute intervals for 45 minutes after sampling each cocaine dose under both buspirone and placebo maintenance conditions. |
| Peak Ratings of "Performance Improved" on the Visual Analog Scale | Subjects rated their feelings of "Performance Improved" on a Visual Analog Scale. This item was rated from 0 (minimum)-100 (maximum) on a Visual Analog Scale. Higher values represent greater subjective effects on this item. Peak scores were calculated from multiple assessments for each cocaine dose under both buspirone and placebo conditions. | Subjects completed this measure at 15 minute intervals for 45 minutes after sampling each cocaine dose under both buspirone and placebo maintenance conditions. |
| Peak Ratings of "Restless" on the Visual Analog Scale | Subjects rated their feelings of "Restless" on a Visual Analog Scale. This item was rated from 0 (minimum)-100 (maximum) on a Visual Analog Scale. Higher values represent greater subjective effects on this item. Peak scores were calculated from multiple assessments for each cocaine dose under both buspirone and placebo conditions. | Subjects completed this measure at 15 minute intervals for 45 minutes after sampling each cocaine dose under both buspirone and placebo maintenance conditions. |
| Peak Ratings of "Rush" on the Visual Analog Scale | Subjects rated their feelings of "Rush" on a Visual Analog Scale. This item was rated from 0 (minimum)-100 (maximum) on a Visual Analog Scale. Higher values represent greater subjective effects on this item. Peak scores were calculated from multiple assessments for each cocaine dose under both buspirone and placebo conditions. | Subjects completed this measure at 15 minute intervals for 45 minutes after sampling each cocaine dose under both buspirone and placebo maintenance conditions. |
| Peak Ratings of "Shaky, Jittery" on the Visual Analog Scale | Subjects rated their feelings of "Shaky, Jittery" on a Visual Analog Scale. This item was rated from 0 (minimum)-100 (maximum) on a Visual Analog Scale. Higher values represent greater subjective effects on this item. Peak scores were calculated from multiple assessments for each cocaine dose under both buspirone and placebo conditions. | Subjects completed this measure at 15 minute intervals for 45 minutes after sampling each cocaine dose under both buspirone and placebo maintenance conditions. |
| Peak Ratings of "Sluggish, Fatigued, Lazy" on the Visual Analog Scale | Subjects rated their feelings of "Sluggish, Fatigued, Lazy" on a Visual Analog Scale. This item was rated from 0 (minimum)-100 (maximum) on a Visual Analog Scale. Higher values represent greater subjective effects on this item. Peak scores were calculated from multiple assessments for each cocaine dose under both buspirone and placebo conditions. | Subjects completed this measure at 15 minute intervals for 45 minutes after sampling each cocaine dose under both buspirone and placebo maintenance conditions. |
| Peak Ratings of "Stimulated" on the Visual Analog Scale | Subjects rated their feelings of "Stimulated" on a Visual Analog Scale. This item was rated from 0 (minimum)-100 (maximum) on a Visual Analog Scale. Higher values represent greater subjective effects on this item. Peak scores were calculated from multiple assessments for each cocaine dose under both buspirone and placebo conditions. | Subjects completed this measure at 15 minute intervals for 45 minutes after sampling each cocaine dose under both buspirone and placebo maintenance conditions. |
| Peak Ratings of "Willing to Take Again" on the Visual Analog Scale | Subjects rated their feelings of "Willing to Take Again" on a Visual Analog Scale. This item was rated from 0 (minimum)-100 (maximum) on a Visual Analog Scale. Higher values represent greater subjective effects on this item. Peak scores were calculated from multiple assessments for each cocaine dose under both buspirone and placebo conditions. | Subjects completed this measure at 15 minute intervals for 45 minutes after sampling each cocaine dose under both buspirone and placebo maintenance conditions. |
| Peak Ratings of "Talkative, Friendly" on the Visual Analog Scale | Subjects rated their feelings of "Talkative, Friendly" on a Visual Analog Scale. This item was rated from 0 (minimum)-100 (maximum) on a Visual Analog Scale. Higher values represent greater subjective effects on this item. Peak scores were calculated from multiple assessments for each cocaine dose under both buspirone and placebo conditions. | Subjects completed this measure at 15 minute intervals for 45 minutes after sampling each cocaine dose under both buspirone and placebo maintenance conditions. |
| Peak Oral Temperature | Oral temperature was measured with an automated monitor. Higher values represent greater temperature. Peak scores were calculated from multiple assessments for each cocaine dose under both buspirone and placebo conditions. | This measure was completed at 15 minute intervals for 45 minutes after sampling each cocaine dose under both buspirone and placebo maintenance conditions. |
| Peak Diastolic Blood Pressure | Diastolic blood pressure was measured with an automated monitor. Higher values represent greater diastolic pressure. Peak scores were calculated from multiple assessments for each cocaine dose under both buspirone and placebo conditions. | This measure was completed at 15 minute intervals for 45 minutes after sampling each cocaine dose under both buspirone and placebo maintenance conditions. |
| Peak Heart Rate | Heart rate was measured with an automated monitor. Higher values represent greater heart rate. Peak scores were calculated from multiple assessments for each cocaine dose under both buspirone and placebo conditions. | This measure was completed at 15 minute intervals for 45 minutes after sampling each cocaine dose under both buspirone and placebo maintenance conditions. |
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| Sex: Female, Male | Count of Participants | Participants |
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| Region of Enrollment | Number | participants |
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| Secondary | Peak Score on Sedative Subscale of the Adjective Rating Scale | Subjects completed 16 items that loaded into the Sedative Subscale of the Adjective Rating Scale. The items were rated 0-4 on a Likert-type scale and the sum for the 16 "sedative" items was summed to yield the Sedative Subscale score. The maximum score for this scale was 64, the minimum was 0. Higher values represent greater subjective effects on this item. Peak scores were calculated from multiple assessments for each cocaine dose under both buspirone and placebo conditions. | Posted | Mean | Standard Error | arbitrary units on a Likert-type scale | Subjects completed this measure at 15 minute intervals for 45 minutes after sampling each cocaine dose under both buspirone and placebo maintenance conditions. |
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| Secondary | Peak Systolic Blood Pressure | Systolic blood pressure was measured with an automated monitor. Higher values represent greater systolic pressure. Peak scores were calculated from multiple assessments for each cocaine dose under both buspirone and placebo conditions. | Posted | Mean | Standard Error | mmHg | This measure was completed at 15 minute intervals for 45 minutes after sampling each cocaine dose under both buspirone and placebo maintenance conditions. |
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| Secondary | Peak Score on Stimulant Subscale of the Adjective Rating Scale | Subjects completed 16 items that loaded into the Stimulant Subscale of the Adjective Rating Scale. The items were rated 0-4 on a Likert-type scale and the sum for the 16 "sedative" items was summed to yield the Stimulant Subscale score. The maximum score for this scale was 64, the minimum was 0. Higher values represent greater subjective effects on this item. Peak scores were calculated from multiple assessments for each cocaine dose under both buspirone and placebo conditions. | Posted | Mean | Standard Error | arbitrary units on a Likert-type scale | Subjects completed this measure at 15 minute intervals for 45 minutes after sampling each cocaine dose under both buspirone and placebo maintenance conditions. |
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| Secondary | Peak Ratings of "Active, Alert, Energetic" on the Visual Analog Scale | Subjects rated their feelings of "Active, Alert, Energetic" on a Visual Analog Scale. This item was rated from 0 (minimum)-100 (maximum) on a Visual Analog Scale. Higher values represent greater subjective effects on this item. Peak scores were calculated from multiple assessments for each cocaine dose under both buspirone and placebo conditions. | Posted | Mean | Standard Error | arbitary units on a Visual Analog Scale | Subjects completed this measure at 15 minute intervals for 45 minutes after sampling each cocaine dose under both buspirone and placebo maintenance conditions. |
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| Secondary | Peak Ratings of "Any Effect" on the Visual Analog Scale | Subjects rated their feelings of "Any Effect" on a Visual Analog Scale. This item was rated from 0 (minimum)-100 (maximum) on a Visual Analog Scale. Higher values represent greater subjective effects on this item. Peak scores were calculated from multiple assessments for each cocaine dose under both buspirone and placebo conditions. | Posted | Mean | Standard Error | arbitary units on a Visual Analog Scale | Subjects completed this measure at 15 minute intervals for 45 minutes after sampling each cocaine dose under both buspirone and placebo maintenance conditions. |
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| Secondary | Peak Ratings of "Bad Effects" on the Visual Analog Scale | Subjects rated their feelings of "Bad Effects" on a Visual Analog Scale. This item was rated from 0 (minimum)-100 (maximum) on a Visual Analog Scale. Higher values represent greater subjective effects on this item. Peak scores were calculated from multiple assessments for each cocaine dose under both buspirone and placebo conditions. | Posted | Mean | Standard Error | arbitary units on a Visual Analog Scale | Subjects completed this measure at 15 minute intervals for 45 minutes after sampling each cocaine dose under both buspirone and placebo maintenance conditions. |
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| Secondary | Peak Ratings of "Euphoric" on the Visual Analog Scale | Subjects rated their feelings of "Euphoric" on a Visual Analog Scale. This item was rated from 0 (minimum)-100 (maximum) on a Visual Analog Scale. Higher values represent greater subjective effects on this item. Peak scores were calculated from multiple assessments for each cocaine dose under both buspirone and placebo conditions. | Posted | Mean | Standard Error | arbitary units on a Visual Analog Scale | Subjects completed this measure at 15 minute intervals for 45 minutes after sampling each cocaine dose under both buspirone and placebo maintenance conditions. |
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| Secondary | Peak Ratings of "Good Effects" on the Visual Analog Scale | Subjects rated their feelings of "Good Effects" on a Visual Analog Scale. This item was rated from 0 (minimum)-100 (maximum) on a Visual Analog Scale. Higher values represent greater subjective effects on this item. Peak scores were calculated from multiple assessments for each cocaine dose under both buspirone and placebo conditions. | Posted | Mean | Standard Error | arbitary units on a Visual Analog Scale | Subjects completed this measure at 15 minute intervals for 45 minutes after sampling each cocaine dose under both buspirone and placebo maintenance conditions. |
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| Secondary | Peak Ratings of "High" on the Visual Analog Scale | Subjects rated their feelings of "High" on a Visual Analog Scale. This item was rated from 0 (minimum)-100 (maximum) on a Visual Analog Scale. Higher values represent greater subjective effects on this item. Peak scores were calculated from multiple assessments for each cocaine dose under both buspirone and placebo conditions. | Posted | Mean | Standard Error | arbitary units on a Visual Analog Scale | Subjects completed this measure at 15 minute intervals for 45 minutes after sampling each cocaine dose under both buspirone and placebo maintenance conditions. |
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| Secondary | Peak Ratings of "Irregular/Racing Heartbeat" on the Visual Analog Scale | Subjects rated their feelings of "Irregular/Racing Heartbeat" on a Visual Analog Scale. This item was rated from 0 (minimum)-100 (maximum) on a Visual Analog Scale. Higher values represent greater subjective effects on this item. Peak scores were calculated from multiple assessments for each cocaine dose under both buspirone and placebo conditions. | Posted | Mean | Standard Error | arbitary units on a Visual Analog Scale | Subjects completed this measure at 15 minute intervals for 45 minutes after sampling each cocaine dose under both buspirone and placebo maintenance conditions. |
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| Secondary | Peak Ratings of "Like Drug" on the Visual Analog Scale | Subjects rated their feelings of "Like Drug" on a Visual Analog Scale. This item was rated from 0 (minimum)-100 (maximum) on a Visual Analog Scale. Higher values represent greater subjective effects on this item. Peak scores were calculated from multiple assessments for each cocaine dose under both buspirone and placebo conditions. | Posted | Mean | Standard Error | arbitary units on a Visual Analog Scale | Subjects completed this measure at 15 minute intervals for 45 minutes after sampling each cocaine dose under both buspirone and placebo maintenance conditions. |
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| Secondary | Peak Ratings of "Nauseated, Queasy, Sick to Stomach" on the Visual Analog Scale | Subjects rated their feelings of "Nauseated, Queasy, Sick to Stomach" on a Visual Analog Scale. This item was rated from 0 (minimum)-100 (maximum) on a Visual Analog Scale. Higher values represent greater subjective effects on this item. Peak scores were calculated from multiple assessments for each cocaine dose under both buspirone and placebo conditions. | Posted | Mean | Standard Error | arbitary units on a Visual Analog Scale | Subjects completed this measure at 15 minute intervals for 45 minutes after sampling each cocaine dose under both buspirone and placebo maintenance conditions. |
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| Secondary | Peak Ratings of "Nervous, Anxious" on the Visual Analog Scale | Subjects rated their feelings of "Nervous, Anxious" on a Visual Analog Scale. This item was rated from 0 (minimum)-100 (maximum) on a Visual Analog Scale. Higher values represent greater subjective effects on this item. Peak scores were calculated from multiple assessments for each cocaine dose under both buspirone and placebo conditions. | Posted | Mean | Standard Error | arbitary units on a Visual Analog Scale | Subjects completed this measure at 15 minute intervals for 45 minutes after sampling each cocaine dose under both buspirone and placebo maintenance conditions. |
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| Secondary | Peak Ratings of "Willing to Pay For" on the Visual Analog Scale | Subjects rated their feelings of "Willing to Pay For" on a Visual Analog Scale. This item was rated from 0 (minimum)-100 (maximum) on a Visual Analog Scale. Higher values represent greater subjective effects on this item. Peak scores were calculated from multiple assessments for each cocaine dose under both buspirone and placebo conditions. | Posted | Mean | Standard Error | arbitary units on a Visual Analog Scale | Subjects completed this measure at 15 minute intervals for 45 minutes after sampling each cocaine dose under both buspirone and placebo maintenance conditions. |
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| Secondary | Peak Ratings of "Performance Impaired" on the Visual Analog Scale | Subjects rated their feelings of "Performance Impaired" on a Visual Analog Scale. This item was rated from 0 (minimum)-100 (maximum) on a Visual Analog Scale. Higher values represent greater subjective effects on this item. Peak scores were calculated from multiple assessments for each cocaine dose under both buspirone and placebo conditions. | Posted | Mean | Standard Error | arbitary units on a Visual Analog Scale | Subjects completed this measure at 15 minute intervals for 45 minutes after sampling each cocaine dose under both buspirone and placebo maintenance conditions. |
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| Secondary | Peak Ratings of "Performance Improved" on the Visual Analog Scale | Subjects rated their feelings of "Performance Improved" on a Visual Analog Scale. This item was rated from 0 (minimum)-100 (maximum) on a Visual Analog Scale. Higher values represent greater subjective effects on this item. Peak scores were calculated from multiple assessments for each cocaine dose under both buspirone and placebo conditions. | Posted | Mean | Standard Error | arbitary units on a Visual Analog Scale | Subjects completed this measure at 15 minute intervals for 45 minutes after sampling each cocaine dose under both buspirone and placebo maintenance conditions. |
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| Secondary | Peak Ratings of "Restless" on the Visual Analog Scale | Subjects rated their feelings of "Restless" on a Visual Analog Scale. This item was rated from 0 (minimum)-100 (maximum) on a Visual Analog Scale. Higher values represent greater subjective effects on this item. Peak scores were calculated from multiple assessments for each cocaine dose under both buspirone and placebo conditions. | Posted | Mean | Standard Error | arbitary units on a Visual Analog Scale | Subjects completed this measure at 15 minute intervals for 45 minutes after sampling each cocaine dose under both buspirone and placebo maintenance conditions. |
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| Secondary | Peak Ratings of "Rush" on the Visual Analog Scale | Subjects rated their feelings of "Rush" on a Visual Analog Scale. This item was rated from 0 (minimum)-100 (maximum) on a Visual Analog Scale. Higher values represent greater subjective effects on this item. Peak scores were calculated from multiple assessments for each cocaine dose under both buspirone and placebo conditions. | Posted | Mean | Standard Error | arbitary units on a Visual Analog Scale | Subjects completed this measure at 15 minute intervals for 45 minutes after sampling each cocaine dose under both buspirone and placebo maintenance conditions. |
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| Secondary | Peak Ratings of "Shaky, Jittery" on the Visual Analog Scale | Subjects rated their feelings of "Shaky, Jittery" on a Visual Analog Scale. This item was rated from 0 (minimum)-100 (maximum) on a Visual Analog Scale. Higher values represent greater subjective effects on this item. Peak scores were calculated from multiple assessments for each cocaine dose under both buspirone and placebo conditions. | Posted | Mean | Standard Error | arbitary units on a Visual Analog Scale | Subjects completed this measure at 15 minute intervals for 45 minutes after sampling each cocaine dose under both buspirone and placebo maintenance conditions. |
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| Secondary | Peak Ratings of "Sluggish, Fatigued, Lazy" on the Visual Analog Scale | Subjects rated their feelings of "Sluggish, Fatigued, Lazy" on a Visual Analog Scale. This item was rated from 0 (minimum)-100 (maximum) on a Visual Analog Scale. Higher values represent greater subjective effects on this item. Peak scores were calculated from multiple assessments for each cocaine dose under both buspirone and placebo conditions. | Posted | Mean | Standard Error | arbitary units on a Visual Analog Scale | Subjects completed this measure at 15 minute intervals for 45 minutes after sampling each cocaine dose under both buspirone and placebo maintenance conditions. |
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| Secondary | Peak Ratings of "Stimulated" on the Visual Analog Scale | Subjects rated their feelings of "Stimulated" on a Visual Analog Scale. This item was rated from 0 (minimum)-100 (maximum) on a Visual Analog Scale. Higher values represent greater subjective effects on this item. Peak scores were calculated from multiple assessments for each cocaine dose under both buspirone and placebo conditions. | Posted | Mean | Standard Error | arbitary units on a Visual Analog Scale | Subjects completed this measure at 15 minute intervals for 45 minutes after sampling each cocaine dose under both buspirone and placebo maintenance conditions. |
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| Secondary | Peak Ratings of "Willing to Take Again" on the Visual Analog Scale | Subjects rated their feelings of "Willing to Take Again" on a Visual Analog Scale. This item was rated from 0 (minimum)-100 (maximum) on a Visual Analog Scale. Higher values represent greater subjective effects on this item. Peak scores were calculated from multiple assessments for each cocaine dose under both buspirone and placebo conditions. | Posted | Mean | Standard Error | arbitary units on a Visual Analog Scale | Subjects completed this measure at 15 minute intervals for 45 minutes after sampling each cocaine dose under both buspirone and placebo maintenance conditions. |
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| Secondary | Peak Ratings of "Talkative, Friendly" on the Visual Analog Scale | Subjects rated their feelings of "Talkative, Friendly" on a Visual Analog Scale. This item was rated from 0 (minimum)-100 (maximum) on a Visual Analog Scale. Higher values represent greater subjective effects on this item. Peak scores were calculated from multiple assessments for each cocaine dose under both buspirone and placebo conditions. | Posted | Mean | Standard Error | arbitary units on a Visual Analog Scale | Subjects completed this measure at 15 minute intervals for 45 minutes after sampling each cocaine dose under both buspirone and placebo maintenance conditions. |
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| Secondary | Peak Oral Temperature | Oral temperature was measured with an automated monitor. Higher values represent greater temperature. Peak scores were calculated from multiple assessments for each cocaine dose under both buspirone and placebo conditions. | Posted | Mean | Standard Error | Degrees Fahrenheit | This measure was completed at 15 minute intervals for 45 minutes after sampling each cocaine dose under both buspirone and placebo maintenance conditions. |
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| Secondary | Peak Diastolic Blood Pressure | Diastolic blood pressure was measured with an automated monitor. Higher values represent greater diastolic pressure. Peak scores were calculated from multiple assessments for each cocaine dose under both buspirone and placebo conditions. | Posted | Mean | Standard Error | mmHg | This measure was completed at 15 minute intervals for 45 minutes after sampling each cocaine dose under both buspirone and placebo maintenance conditions. |
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| Secondary | Peak Heart Rate | Heart rate was measured with an automated monitor. Higher values represent greater heart rate. Peak scores were calculated from multiple assessments for each cocaine dose under both buspirone and placebo conditions. | Posted | Mean | Standard Error | beats per minute | This measure was completed at 15 minute intervals for 45 minutes after sampling each cocaine dose under both buspirone and placebo maintenance conditions. |
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| 0 |
| 9 |
| 0 |
| 9 |
| EG001 | Placebo | Subjects will be maintained on placebo. Buspirone: Subjects will be maintained on oral buspirone (administered 3 times daily) or placebo for 6 days each during the study in random order.These subjects will be the same as those who are maintained on buspirone (i.e., the study uses a within-subjects design). | 0 | 9 | 0 | 9 |
Not provided
Not provided
| D010879 |
| Piperazines |
| D006573 | Heterocyclic Compounds, 1-Ring |
| D006571 | Heterocyclic Compounds |
| D011743 | Pyrimidines |
| D011083 | Polycyclic Compounds |
| 45 mg Cocaine |
|
| 45 mg Cocaine |
|
| 45 mg Cocaine |
|
| 45 mg Cocaine |
|
| 45 mg Cocaine |
|
| 45 mg Cocaine |
|
| 45 mg Cocaine |
|
| 45 mg Cocaine |
|
| 45 mg Cocaine |
|
| 45 mg Cocaine |
|
| 45 mg Cocaine |
|
| 45 mg Cocaine |
|
| 45 mg Cocaine |
|
| 45 mg Cocaine |
|
| 45 mg Cocaine |
|
| 45 mg Cocaine |
|
| 45 mg Cocaine |
|
| 45 mg Cocaine |
|
| 45 mg Cocaine |
|
| 45 mg Cocaine |
|
| 45 mg Cocaine |
|
| 45 mg Cocaine |
|
| 45 mg Cocaine |
|
| 45 mg Cocaine |
|
| 45 mg Cocaine |
|
| 45 mg Cocaine |
|