Objective:

to describe the process of development and validation of an instrument created for the evaluation of treatment results in disorders caused by substance use.

Materials and methods:

The study was carried out in three phases. Phase 1: review of the literature in the main health science databases about scales or instruments for evaluation of treatment results in disorders caused by substance use; Phase 2: de novo instrument development and validation by experts using a modified 2-phase Delphi technique; Phase 3: clinical validation study involving 100 users of a public institution.

Results:

The “Escala de evaluación de tratamiento multimodal” (EETM), after its content analysis, obtained appropriate results in terms of pertinence and relevance. Additionally, it showed Cronbach’s Alpha coefficients between 0.799 and 0.963 and similarities between the evaluator and the patient results.

Conclusions:

It was concluded that the EETM proved to be a valid instrument for the evaluation of treatment results in institutions with comprehensive interventions in disorders caused by substance use and during the admission period.

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