Study: NCT03192995

Intervention type: DRUG
Group type: ACTIVE_COMPARATOR
Intervention: lorcaserin
Description: lorcaserin 20 mg tablet

Intervention type: DRUG
Group type: PLACEBO_COMPARATOR
Intervention: Placebo Oral Tablet
Description: placebo 20 mg. tablet

Intervention type: BEHAVIORAL
Group type: PLACEBO_COMPARATOR
Intervention: Substance use counseling
Description: Manual-driven psychosocial substance use counseling program using cognitive behavioral therapy and motivational interviewing techniques and incorporating the Stages of Change Model.

Intervention type: BEHAVIORAL
Group type: ACTIVE_COMPARATOR
Intervention: Substance use counseling
Description: Manual-driven psychosocial substance use counseling program using cognitive behavioral therapy and motivational interviewing techniques and incorporating the Stages of Change Model.

Intervention type: BEHAVIORAL
Group type: PLACEBO_COMPARATOR
Intervention: ACASI
Description: Audio-computer assisted self-interviews (ACASI) is a self-administered standardized questionnaire on substance and alcohol use, substance use treatment, sexual risk behavior, partnership sexual risk, and

Intervention type: BEHAVIORAL
Group type: ACTIVE_COMPARATOR
Intervention: ACASI
Description: Audio-computer assisted self-interviews (ACASI) is a self-administered standardized questionnaire on substance and alcohol use, substance use treatment, sexual risk behavior, partnership sexual risk, and

Intervention type: DIAGNOSTIC_TEST
Group type: PLACEBO_COMPARATOR
Intervention: Cocaine metabolites
Description: Rapid qualitative urine test Medtox Verdict II (Medtox Diagnostics, Burlington, NC) and tamper-evident sweat patches (PharmChek®, PharmChem, Inc., Fort Worth, Tx)

Intervention type: DIAGNOSTIC_TEST
Group type: ACTIVE_COMPARATOR
Intervention: Cocaine metabolites
Description: Rapid qualitative urine test Medtox Verdict II (Medtox Diagnostics, Burlington, NC) and tamper-evident sweat patches (PharmChek®, PharmChem, Inc., Fort Worth, Tx)

Intervention type: BEHAVIORAL
Group type: PLACEBO_COMPARATOR
Intervention: Ecological Momentary Assessment (EMA)
Description: EMA are questions sent to the participant 4-5 times a day to determine real-time behavior and participant experiences.

Intervention type: BEHAVIORAL
Group type: ACTIVE_COMPARATOR
Intervention: Ecological Momentary Assessment (EMA)
Description: EMA are questions sent to the participant 4-5 times a day to determine real-time behavior and participant experiences.

Intervention type: BEHAVIORAL
Group type: PLACEBO_COMPARATOR
Intervention: Balloon Analogue Risk Task (BART)
Description: BART is a computerized measure of risk taking behavior. The BART models real-world risk behavior through the conceptual frame of balancing the potential for reward versus loss. This is a test for impulsivity.

Intervention type: BEHAVIORAL
Group type: ACTIVE_COMPARATOR
Intervention: Balloon Analogue Risk Task (BART)
Description: BART is a computerized measure of risk taking behavior. The BART models real-world risk behavior through the conceptual frame of balancing the potential for reward versus loss. This is a test for impulsivity.

Intervention type: BEHAVIORAL
Group type: PLACEBO_COMPARATOR
Intervention: Qualitative Exit Interview
Description: The qualitative exit interview assessed acceptability measures and included questions on attitudes about trial participation, level of satisfaction with trial procedures, and trial medication.

Intervention type: BEHAVIORAL
Group type: ACTIVE_COMPARATOR
Intervention: Qualitative Exit Interview
Description: The qualitative exit interview assessed acceptability measures and included questions on attitudes about trial participation, level of satisfaction with trial procedures, and trial medication.