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Testing Alcohol Only Samples for Drugs and Drugs Only Samples for Alcohol

This study has been completed.
Ministry of Internal Affairs, Finland
European Commission
Information provided by (Responsible Party):
National Institute for Health and Welfare, Finland Identifier:
First received: March 27, 2008
Last updated: November 1, 2013
Last verified: November 2013

This study intends to supply information about the prevalence of psychoactive drugs and alcohol in suspected DUI samples which are suspected of only one of these rather than both drugs and alcohol.

Police samples for suspected DUI samples that have been sent for alcohol analysis or drug analysis only will be screened for drugs and alcohol respectively.

Driving Under the Influence

Study Type: Observational
Study Design: Observational Model: Case-Crossover
Official Title: Retrospective Study of Unrequested Analytical Data in DUID-cases From a 2 Week Period

Resource links provided by NLM:

Further study details as provided by National Institute for Health and Welfare, Finland:

Primary Outcome Measures:
  • assessment of both alcohol and drugs in suspected DUI cases [ Time Frame: 2 weeks ]

Secondary Outcome Measures:
  • prevalence of psychoactive substances in the general driving population [ Time Frame: three years ]

Biospecimen Retention:   Samples With DNA
Whole blood samples are collected for the study. However no DNA detection is done at any point in the study. The laboratory where the samples are analysed does not analyse DNA. DNA is not relevant for this study

Enrollment: 250
Study Start Date: September 2008
Study Completion Date: October 2011
Primary Completion Date: September 2008 (Final data collection date for primary outcome measure)
drivers of motorised vehicles suspected of driving under the influence of psychoactive drugs or alcohol
drivers stopped in police traffic controls and breathalysed positive for alcohol

Detailed Description:

There are 3 different possibilities for forensic analysis of suspected driving under the influence samples. Testing for alcohol or drugs only or testing for both alcohol and drugs.

Often if the primary suspicion of the apprehending police officer is of driving under the influence of drugs or alcohol then only laboratory analysis concerning that primary suspicion is requested.

The study aims to provide information about those 'missed cases' where only analysis for drugs or alcohol is carried out. Traffic police samples from a 2 week period are to be screened for both drugs and alcohol, even if the primary suspicion is only one of these.

The study is part of the EU-project DRUID. Altogether 13 European countries are participating in DRUID.


Ages Eligible for Study:   18 Years and older   (Adult, Senior)
Sexes Eligible for Study:   All
Accepts Healthy Volunteers:   Yes
Sampling Method:   Non-Probability Sample
Study Population
drivers of motorised vehicles in general road traffic

Inclusion Criteria:

  • 18 years or older
  • driver of a motorised vehicle

Exclusion Criteria:

  • 17 years or younger
  • not the driver of a motorised vehicle
  Contacts and Locations
Choosing to participate in a study is an important personal decision. Talk with your doctor and family members or friends about deciding to join a study. To learn more about this study, you or your doctor may contact the study research staff using the Contacts provided below. For general information, see Learn About Clinical Studies.

Please refer to this study by its identifier: NCT00648206

National Public Health Institute
Helsinki, Finland
Sponsors and Collaborators
National Institute for Health and Welfare, Finland
Ministry of Internal Affairs, Finland
European Commission
Principal Investigator: Pirjo Lillsunde, Dr National Public Health Institute, Helsinki, Finland
  More Information

Additional Information:
Responsible Party: National Institute for Health and Welfare, Finland Identifier: NCT00648206     History of Changes
Other Study ID Numbers: KTL 419-9
Study First Received: March 27, 2008
Last Updated: November 1, 2013

Keywords provided by National Institute for Health and Welfare, Finland:
driving under the influence
psychoactive substances
blood samples
Prevalence of psychoactive substances in road traffic

Additional relevant MeSH terms:
Anti-Infective Agents, Local
Anti-Infective Agents
Central Nervous System Depressants
Physiological Effects of Drugs processed this record on May 25, 2017