# The Modulatory Role of Communicated Treatment Rationale on Treatment Expectation Effects in Depression.

> **NCT04719663** · NA · COMPLETED · sponsor: **Philipps University Marburg** · enrollment: 150 (actual)

## Conditions studied

- Condition: Major Depressive Disorder (MDD)

## Interventions

- **BEHAVIORAL:** Biological illness and treatment rationale
- **BEHAVIORAL:** Psychological illness and treatment rationale
- **DRUG:** Active pharmacological placebo
- **BEHAVIORAL:** Active psychological placebo

## Key facts

- **NCT ID:** NCT04719663
- **Lead sponsor:** Philipps University Marburg
- **Sponsor class:** OTHER
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2021-04-13
- **Primary completion:** 2023-09-12
- **Final completion:** 2023-09-12
- **Target enrollment:** 150 (ACTUAL)
- **Last updated:** 2023-11-18

## Collaborators

- [object Object]

## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04719663

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04719663, "The Modulatory Role of Communicated Treatment Rationale on Treatment Expectation Effects in Depression.". Retrieved via AI Analytics 2026-06-01 from https://api.ai-analytics.org/clinical/NCT04719663. Licensed CC0.

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