# ipRGC as a Potential Biomarker for Predicting Transcranial Magnetic Stimulation Treatment Response in Major Depressive Disorder

> **NCT07474974** · NA · NOT_YET_RECRUITING · sponsor: **Polytechnic Institute of Porto** · enrollment: 44 (estimated)

## Conditions studied

- Depression - Major Depressive Disorder
- Treatment Resistant Depression

## Interventions

- **DEVICE:** Repetitive transcranial magnetic stimulation (rTMS)

## Key facts

- **NCT ID:** NCT07474974
- **Lead sponsor:** Polytechnic Institute of Porto
- **Sponsor class:** OTHER
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** NOT_YET_RECRUITING
- **Start date:** 2026-03-15
- **Primary completion:** 2027-04-30
- **Final completion:** 2027-07-31
- **Target enrollment:** 44 (ESTIMATED)
- **Last updated:** 2026-03-16

## Collaborators

- [object Object]

## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT07474974

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT07474974, "ipRGC as a Potential Biomarker for Predicting Transcranial Magnetic Stimulation Treatment Response in Major Depressive Disorder". Retrieved via AI Analytics 2026-05-28 from https://api.ai-analytics.org/clinical/NCT07474974. Licensed CC0.

---

*[Clinical trials dataset](/datasets/clinical-trials) · CC0 1.0*