An Individual-specific Synchrony Signature

Condition(s) studied

Investigational drug(s) / intervention(s)

Supportive-expressive treatment: Sixteen weeks of a time-limited psychodynamic therapy adapted for depression that includes the use of expressive techniques, such as interpretation, confrontation, clarification and the use of supportive techniques, such as affirmation and empathic validation. This treatment postulates insight as its core mechanism of change.

Study summary

This study aims to establish synchrony as an individual-specific mechanism of therapeutic change and offers novel insights into the mechanisms of curative interpersonal processes. The study identifies individual-specific trait-like synchrony signature and investigates the associations between synchrony signature, the individual's trait-like characteristics, and mental health, among participants diagnosed with Major Depressive Disorder. The study further investigates how deterministic the trait-like synchrony signature is by identifying for whom, how, and when changes are anticipated. Additionally, it examines whether synchrony signature transfers to relationships with the therapist, whether and how it changes throughout treatment, and whether such potential changes are associated with improvements in mental health. Synchrony is recognized as a key driver of collaborative, affiliative, and curative relationships. While its potential role in improving mental health through interpersonal relationships has sparked growing interest, particularly in psychotherapy, the field is at a crossroads, with mixed findings challenging the widespread theoretical assumption that "more synchrony is better." This study introduces a personalized framework that emphasizes individual-specific synchrony signatures, shifting from generalized assumptions to tailored understanding and interventions. The study explores how synchrony can transform relationships into curative ones by leveraging individual-tailored changes in synchrony signatures in psychotherapy. The potential impact is vast. Tailoring synchrony to individual-specific signatures represents a paradigm shift from a one-size-fits-all approach to personalized interventions. This personalized framework could revolutionize mental health care by facilitating the development of targeted strategies that enhance treatment outcomes.

Eligibility

Primary outcome measure(s)

• Weekly change in Hamilton rating scale for depression (HRSD) — Measured at baseline and every week for 16 weeks of treatment
  A 17-item clinically administered measure assessing the severity of depression. Each item is rated on a scale ranging from 0 (don't have) to 4 (sever) or 0 (don't have) to 2 (sever). The total score ranges between 0 and 52, where higher scores indicate worse outcome.

Trial sites (1)

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