# Treatment Resistance in Psychiatric Disorders: the Search for Biological Markers Predictive of Response to Treatment

> **NCT07741981** · NA · RECRUITING · sponsor: **Centre Hospitalier St Anne** · enrollment: 700 (estimated)

## Conditions studied

- Schizophrenia
- Treatment Resistant Depression (TRD)
- Bipolar Disorder (BD)
- Catatonia
- Obsessive Compulsive Disorder (OCD)

## Interventions

- **BIOLOGICAL:** Blood sampling, lumbar puncture, stool sampling, skin microbiopsy and psychometrics scales

## Key facts

- **NCT ID:** NCT07741981
- **Lead sponsor:** Centre Hospitalier St Anne
- **Sponsor class:** OTHER
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** RECRUITING
- **Start date:** 2026-08-20
- **Primary completion:** 2036-11-01
- **Final completion:** 2038-09-01
- **Target enrollment:** 700 (ESTIMATED)
- **Last updated:** 2026-09-21

## Collaborators

- [object Object]

## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT07741981

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT07741981, "Treatment Resistance in Psychiatric Disorders: the Search for Biological Markers Predictive of Response to Treatment". Retrieved via MORVS 2026-10-20 from https://api.morvs.ai/clinical/NCT07741981. Licensed CC0.

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