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Modulation of opiate reward by NK1 antagonism: A laboratory based proof of concept study

Modulation of opiate reward by NK1 antagonism: A laboratory based proof of concept study

Status
Active, not recruiting
Phases
Phase 2
Study type
Interventional
Source
EU CTR
Registry ID
EUCTR2007-004912-30-SE
Enrollment
60
Registered
2007-10-12
Start date
2008-07-31
Completion date
Unknown
Last updated
2022-08-08

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

opiate abuse MedDRA version: 9.1 Level: LLT Classification code 10039004 Term: Reversal of opiate activity MedDRA version: 9.1 Level: LLT Classification code 10012346 Term: Dependence on opiates

Interventions

Trade Name: Emend Pharmaceutical Form: Capsule, hard CAS Number: 170729-80-3 Current Sponsor code: Apr Other descriptive name: APREPITANT Concentration unit: mg milligram(s) Concentration type: equal

Sponsors

Karolinska Institutet
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: Subjects will be eligible if they are aged 18 – 50 years and have current opiate use Are the trial subjects under 18? no Number of subjects for this age range: F.1.2 Adults (18-64 years) yes F.1.2.1 Number of subjects for this age range F.1.3 Elderly (>=65 years) no F.1.3.1 Number of subjects for this age range

Exclusion criteria

Exclusion criteria: Subject will not be eligible if they -currently meet criteria for opiate dependence. -have a positive urine screen for opiates -meet criteria for any other substance dependence disorder except nicotine within the last 12 months -have any ongoing prescription medication other than oral contraceptives or hormone replacement -have any serious medical condition which in the judgment of the investigators makes administration of opiates medically inappropriate.

Design outcomes

Primary

MeasureTime frame
Main Objective: To evaluate the NK1 antagonist aprepitant for its ability to block physiological and psychological effects of opiate receptor activation;Secondary Objective: ;Primary end point(s): Subjective psychological responses to opiate challene

Countries

Sweden

Outcome results

None listed

Source: EU CTR (via WHO ICTRP) · Data processed: Feb 4, 2026