INCANT - Cohort of Adolescents Treated for Cannabis Abuse and Addiction 
Head :
Falissard Bruno, INSERM U669
Phan Olivier, INSERM U669
Jouanne Celine
Phan Olivier, INSERM U669
Jouanne Celine
Last update : 12/01/2019 | Version : 1 | ID : 4363
| General | |
| Identification | |
| Detailed name | Cohort of Adolescents Treated for Cannabis Abuse and Addiction |
| Sign or acronym | INCANT |
| General Aspects | |
| Medical area |
Pediatrics Psychology and psychiatry |
| Pathology (details) | Addictions |
| Health determinants |
Addictions Social and psychosocial factors |
| Keywords | protocol, family therapy, cannabis, treatment, abuse, adolescent, assessment |
| Scientific investigator(s) (Contact) | |
| Name of the director | Falissard |
| Surname | Bruno |
| Address | Inserm U669 Maison de Solenn 97 boulevard du Port Royal 75679 Paris Cedex |
| Phone | +33 (0)1 58 41 58 50 |
| falissard_b@wanadoo.fr | |
| Unit | INSERM U669 |
| Organization | National Institute of Health and Medical Research |
| Name of the director | Phan |
| Surname | Olivier |
| Address | Inserm U669 Maison de Solenn 97 boulevard du Port Royal 75679 Paris Cedex |
| Phone | +33 (0)1 53 82 81 70 |
| olivier.phan@imm.fr | |
| Unit | INSERM U669 |
| Organization | National Institute of Health and Medical Research |
| Name of the director | Jouanne |
| Surname | Celine |
| jouanne.celine@neuf.fr | |
| Organization | Tolbiac Emergency Resource Centre |
| Collaborations | |
| Funding | |
| Funding status |
Public |
| Details | Interministerial Mission to Combat Drugs and Drug Addiction (MILDT) |
| Governance of the database | |
| Sponsor(s) or organisation(s) responsible | INSERM - National Institute of Health and Medical Research |
| Organisation status |
Public |
| Sponsor(s) or organisation(s) responsible | Mission Interministérielle de Lutte contre les Drogues et les Toxicomanies (MILDT) |
| Organisation status |
Public |
| Additional contact | |
| Main features | |
| Type of database | |
| Type of database |
Study databases |
| Study databases (details) |
Cohort study |
| Database recruitment is carried out by an intermediary |
A selection of health institutions and services |
| Database recruitment is carried out as part of an interventional study |
Yes |
| Details |
Performed at group level (clusters) |
| Additional information regarding sample selection. | All patients between 13 and 18 years old requesting a “cannabis consultation” are seen by the research psychologist. After checking the inclusion criteria, the psychologist proposes the study to the patient and his/her family. If required, they may be given time to think about it and give their answer during a second consultation with the research psychologist. After reading the information sheet and signing their consent, the family is included in the randomised study and assigned to one of three therapies. The randomisation procedure is required by the European protocol.. The Urn Randomisation procedure is used (Stout 1994; Project Match). This is carried out by the research psychologist. |
| Database objective | |
| Main objective |
To assess the interest in a specific therapy; Multidimensional Family Therapy (MDFT) is given to adolescents who are misusing or addicted to cannabis.
To develop a therapeutic method in the European context, especially in France, that is effective in the field of adolescent addiction; to develop psychotherapy evaluation methods. |
| Inclusion criteria | Presenting with a diagnosis for cannabis abuse and addiction and to having at least one parent (or legal guardian) agreeing to participate in the treatment and study. It should be noted that the misuse of psychoactive substances, behavioural and/or psychiatric disorders often associated with cannabis do not constitute grounds for exclusion. |
| Population type | |
| Age |
Adolescence (13 to 18 years) |
| Population covered |
Sick population |
| Gender |
Male Woman |
| Geography area |
International |
| Detail of the geography area | Europe: France; Netherlands; Germany; Switzerland; Belgium. Adolescents and their parents in France were recruited from two specialised psychoactive substance addiction centres that offer consultations for young drug users according to the MILDT protocol: Tolbiac Emergency Resource Centre, part of the Institute Mutual Montsouris (Paris, thirteenth municipal district), and the Specialised Drug Addiction Treatment Centre (CSST) and Drug Addiction Support Centre (CEDAT) in Mantes-la-Jolie that are managed by the Mignot Hospital in Versailles. |
| Data collection | |
| Dates | |
| Date of first collection (YYYY or MM/YYYY) | 10/2006 |
| Date of last collection (YYYY or MM/YYYY) | 12/2009 |
| Size of the database | |
| Size of the database (number of individuals) |
< 500 individuals |
| Details of the number of individuals | 150 |
| Data | |
| Database activity |
Data collection completed |
| Type of data collected |
Clinical data Declarative data Paraclinical data |
| Clinical data (detail) |
Medical registration |
| Declarative data (detail) |
Paper self-questionnaire |
| Details of collected declarative data | Sociodemographic data; adolescent history; family composition; drug use; family history of psychiatric illness; legal record; treatment path; problems at school and relationship with peers. |
| Paraclinical data (detail) | Intake interview is available separately for adolescents and parents. This heteroquestionnaire, which takes about twenty minutes, allows the collection of sociodemographic data as well as information on adolescent history; family composition; drug use; family history of psychiatric illness; legal record; treatment path; problems at school and relationship with peers. There is a specific version for adolescents and one for parents. Additional form: demographic characteristics; age; nationality; family status; number of children (parents); details on work and education; current occupation; medical information; personal medical history; compilation of drug therapies. Personal Experience Inventory (PEI): The PEI is a self-administered questionnaire that assesses the severity drug use and related issues. Youth Self Report (YSR): abbreviated self-administered questionnaire that allows the adolescent to focus on behavioural and possible psychological disorders. The Child Behavioral Checklist (CBCL) is the parent version of the YSR. Adolescent Depression Rating Scale (ADRS): evaluates the presence and severity of depression in adolescents aged between 13 and 20 years old. Timeline Follow-Back method: TLFB is a structured interview that measures the progression of drug use in young people over time. ADI-Light: Adolescent Diagnostic Interview-Light is a structured interview that evaluates adolescent substance usage based on DSM-IV-TR criteria. |
| Presence of a biobank |
Yes |
| Contents of biobank |
Fluids (saliva, urine, amniotic fluid, …) |
| Details of biobank content | Urine: semi-quantitative analysis of cannabis in the urine is also carried out at baseline and at six and twelve months. |
| Health parameters studied |
Health event/morbidity |
| Procedures | |
| Data collection method | Self-administered questionnaire (Intake Interview, PEI, YSR, CBCL, ADRS) and medical interview (Timeline Follow-Back method, ADI-Light). |
| Participant monitoring |
Yes |
| Details on monitoring of participants | Weekly consultation. Initial assessment at 6 and 12 months. |
| Links to administrative sources |
No |
| Promotion and access | |
| Promotion | |
| Link to the document | http://www.mdft.org/mdft/media/files/Jouanne-et-al-%28comparaison-de-l-efficacite-de-la-MultiDimensional-Family-Therapy-%28MDFT%29-versus-la-Treatment-as-usual-Explicite.pdf |
| Access | |
| Terms of data access (charter for data provision, format of data, availability delay) | Contact the scientist in charge. |
| Access to aggregated data |
Access on specific project only |
| Access to individual data |
Access on specific project only |
