# add-on Low Dose Memantine in Middle-to-old Aged Bipolar II Disorder Patients

> **NCT04035798** · PHASE2,PHASE3 · UNKNOWN · sponsor: **National Cheng-Kung University Hospital** · enrollment: 120 (estimated)

## Conditions studied

- Bipolar II Disorder

## Interventions

- **DRUG:** Memantine or placebo

## Key facts

- **NCT ID:** NCT04035798
- **Lead sponsor:** National Cheng-Kung University Hospital
- **Sponsor class:** OTHER
- **Phase:** PHASE2,PHASE3
- **Study type:** INTERVENTIONAL
- **Status:** UNKNOWN
- **Start date:** 2019-08-01
- **Primary completion:** 2021-07-31
- **Final completion:** 2022-07-31
- **Target enrollment:** 120 (ESTIMATED)
- **Last updated:** 2021-03-09

## Collaborators

- [object Object]

## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04035798

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04035798, "add-on Low Dose Memantine in Middle-to-old Aged Bipolar II Disorder Patients". Retrieved via AI Analytics 2026-06-02 from https://api.ai-analytics.org/clinical/NCT04035798. Licensed CC0.

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