Clinical trial of long acting methylphenidate in amphetamine addicts with Attention Deficit Hyperactivity Disorder (ADHD)

ISRCTN ISRCTN81602628
DOI https://doi.org/10.1186/ISRCTN81602628
Secondary identifying numbers N/A
Submission date
26/02/2008
Registration date
21/04/2008
Last edited
11/06/2010
Recruitment status
No longer recruiting
Overall study status
Completed
Condition category
Mental and Behavioural Disorders
Prospectively registered
Protocol
Statistical analysis plan
Results
Individual participant data

Plain English Summary

Not provided at time of registration

Contact information

Dr Johan Franck
Scientific

Karolinska Institute
Magnus Huss, bv
Stockholm
171 76
Sweden

Study information

Study designProspective randomised double-blind placebo controlled single-centre trial.
Primary study designInterventional
Secondary study designRandomised controlled trial
Study setting(s)Not specified
Study typeTreatment
Scientific title
Study acronymMAHA
Study hypothesisADHD is a pervasive childhood disorder highly prevalent in substance users. It is characterized by disabling problems of inattention, impulsivity and hyperactivity. ADHD is a known risk factor for substance use disorders (SUD) and has a negative effect on treatment outcome. Amphetamine is one of the most commonly used illicit drugs world wide causing severe physical and mental health problems for the individuals and their families and a huge financial cost for the communities.

Study hypothesis:
Does long acting methylphenidate (Concerta®) in combination with skills training reduce ADHD symptoms in amphetamine addicts with ADHD compared with placebo in combination with skills training?
Ethics approval(s)Regional ethics committee in Stockholm, approved on 23/06/2004 (Dnr 04-396/1). Amendment approved on 17/02/2005 (Dnr 2005/200-32)
ConditionAttention deficit hyperactivity disorder
InterventionParticipants are required to stay abstinent of any substance for minimum two weeks prior the inclusion.

Intervention group: Long acting methylphenidate (Concerta®) for 12 weeks, starting dose of 18 mg with 10-day titration up to max 72 mg + skills training
Control group: Placebo for 12 weeks + skills training

For subjects who do not tolerate the dose increase the dosage is adjusted and continued at the tolerated level.

Skills training: The main features in the treatment is assessing ADHD-symptoms and developing strategies to manage them such as exercises in mindfulness. Themes for the sessions are e.g., impulsivity, self-control, managing craving, risk situations for relapse.
Intervention typeDrug
Pharmaceutical study type(s)
PhaseNot Specified
Drug / device / biological / vaccine name(s)methylphenidate (Concerta®)
Primary outcome measureReduction in self rated ADHD symptoms, assessed using the Conners' Adult ADHD Rating Scale (CAARS) at baseline and once a week for 12 weeks
Secondary outcome measures1. Reduction in drug use: urine toxicology at baseline and weeks 4, 8 and 12
2. Observer rated ADHD symptoms, assessed using CAARS at baseline and once a week for 12 weeks
3. Psychiatric symptoms at baseline and weeks 4, 8 and 12
3.1. Self rated craving assessed with Tiffany craving scale
3.2. Change in symptoms of depression and anxiety assessed with Becks inventories
3.3. Stroop test (test of selective attention)
Overall study start date14/02/2006
Overall study end date25/06/2007

Eligibility

Participant type(s)Patient
Age groupAdult
Lower age limit18 Years
SexBoth
Target number of participants24
Participant inclusion criteria1. Male or female 18 to 65 years
2. Written consent
3. Amphetemine (amph) dependence according to the Diagnostic and Statistical Manual of Mental Disorders, 4th edition (DSM-IV)
4. Used apmh on minimum 10 days during the year before inclusion
5. ADHD according to DSM-IV
6. Living in Stockholm area
Participant exclusion criteria1. Dependence (current or past) of opioids, cannabis or benzodiazepines
2. Have used opioids within 3 months before screening
3. Other serious psychiatric conditions such as suicidality or psychosis
4. Current treatment with benzodiazepines, antidepressants or neuroleptics
5. Heart condition or stroke or any other medical condition that is considered a risk
6. Pregnancy or breastfeeding
8. IQ <75
Recruitment start date14/02/2006
Recruitment end date25/06/2007

Locations

Countries of recruitment

  • Sweden

Study participating centre

Karolinska Institute
Stockholm
171 76
Sweden

Sponsor information

Addiction Centre Stockholm (Beroendecentrum Stockholm) (Sweden)
Hospital/treatment centre

Box 17914
Stockholm
118 95
Sweden

Website http://www.beroendecentrum.com
ROR logo "ROR" https://ror.org/04g380834

Funders

Funder type

Hospital/treatment centre

Addiction Centre Stockholm (Beroendecentrum Stockholm) (Sweden)

No information available

Results and Publications

Intention to publish date
Individual participant data (IPD) Intention to shareNo
IPD sharing plan summaryNot provided at time of registration
Publication and dissemination planNot provided at time of registration
IPD sharing plan

Study outputs

Output type Details Date created Date added Peer reviewed? Patient-facing?
Results article results 01/04/2010 Yes No