Changes in Delay Discounting, Time estimation ability and the role of Trauma in Addicted Patients during Initial treatment

Changes in Delay Discounting, Time estimation ability and the role of Trauma in Addicted Patients during Initial treatment - DDT-TAP

Status

Recruiting

Phases

Unknown

Study type

Observational

Source

NL-OMON

Registry ID

NL-OMON49471

Enrollment

167

Registered

2021-02-15

Start date

2022-03-11

Completion date

Unknown

Last updated

2025-09-08

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

Conditions

Addiction and trauma Addiction trauma

Interventions

None listed

Eligibility

Age

18 Years to 99 Years

Inclusion criteria

Inclusion criteria: Patients 1. Age 18-65 year; 2. Substance use disorder 3. Willingness to participate in the study (informed consent procedure); 4. Motivation to persist in abstinence of substances Healthy Controls 1. Age 18-65 year; 2. Matched on age, origin, education and sex with patients 3. No diagnosis of substance use disorder or psychiatric illness. 4. Willingness to participate in the study (informed consent procedure)

Exclusion criteria

Exclusion criteria: Patiënten 1. IQ

Design outcomes

Primary

Measure	Time frame
This study will show the differences in patients between study intake and phase 1 completion of treatment for delay discounting, time estimation ability and PTSD. A significant change would indicate that such variable has improved as a result of / or is strongly associated with treatment outcomes. Furthermore, this study will show degree of differences between healthy controls and addicted patients in delay discounting and time estimation.	—

Measure

Time frame

This study will show the differences in patients between study intake and phase 1 completion of treatment for delay discounting, time estimation ability and PTSD. A significant change would indicate that such variable has improved as a result of / or is strongly associated with treatment outcomes. Furthermore, this study will show degree of differences between healthy controls and addicted patients in delay discounting and time estimation.

—

Secondary

Measure	Time frame
These outcomes are focused on improving diagnostics: Individual psychological variables at intake that are associated with abstinence at end of treatment. Assessment of delay discounting (at intake) as a valid predictor of treatment-drop out. Analysis of the association of Trauma associated with delay discounting.	—

Countries

Netherlands

Outcome results