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Effect of Metformin as Add-on Therapy in Levodopa Treated Parkinson's Disease Patients

Effect of Metformin as Add-on Therapy in Levodopa Treated Parkinson's Disease Patients: Randomized, Double Blind, Placebo Controlled Trial

Status
Active, not recruiting
Phases
Phase 3
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT07055958
Enrollment
74
Registered
2025-07-09
Start date
2024-12-29
Completion date
2025-07-20
Last updated
2025-07-09

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Parkinson Disease

Keywords

Metformin, Parkinson disease

Brief summary

The goal of this clinical trial is to learn that metformin has effect on motor aspects of daily living and oxidative stress in levodopa treated Parkinson disease patients. Researcher will compare drug metformin to a placebo. Participants will take metformin or placebo for 8 weeks.

Detailed description

This clinical trial is an effort to explore whether administration of metformin has effect on motor aspects of daily living and oxidative stress in levodopa treated Parkinson's disease patients. After completion of necessary formalities, each participant will be assessed by translated and validated Bangla version of the Unified Parkinson's Disease Rating Scale (MDS-UPDRS) Part questionnaire and malondialdehyde (MDA) and glutathione (GSH) will be measured at baseline and after 8 weeks.

Interventions

DRUGMetformin

Metformin's chemical name is 1,1-Dimethylbiguanide, a molecular formula of C4H11N5. Beyond its well established antihyperglycemic impact, metformin demonstrated anti-oxidant and anti-inflammatory activities contributing its potential benefits in conditions associated with inflammation and oxidative stress. Furthermore, metformin rapidly crosses the blood brain barrier and disperses into several brain regions presenting an ideal therapeutic option for the treatment of PD.

OTHERplacebo

placebo of tab. Metformin of same shape

Sponsors

Bangabandhu Sheikh Mujib Medical University, Dhaka, Bangladesh
Lead SponsorOTHER

Study design

Allocation
RANDOMIZED
Intervention model
PARALLEL
Primary purpose
TREATMENT
Masking
QUADRUPLE (Subject, Caregiver, Investigator, Outcomes Assessor)

Eligibility

Sex/Gender
ALL
Healthy volunteers
No

Inclusion criteria

* Diagnosed mild to moderate PD patients taking Levodopa * Age 18 years and older * Sex : Any

Exclusion criteria

* Secondary causes of Parkinsonism * Prior stereotactic surgery for PD * Suffering from active malignancy * Known hypersensitivity to metformin * Pregnancy or lactation

Design outcomes

Primary

MeasureTime frameDescription
motor aspects of daily living8 weeksmotor aspects of daily living in MDS-UPDRS rating scale (Movement Disorder Society- sponsored revision of the Unified Parkinson's Disease Rating Scale). The score of Part 2 of this scale i.e. motor experiences of daily living is 13.

Secondary

MeasureTime frameDescription
1. Plasma Malondealdehyde (MDA) level in micromole/litre. 2. Erythrocyte Glutathione (GSH) level in mg/ml.8 weeksMalondealdehyde is oxidative stress marker. Glutathione is anti-oxidant.
1. Erythrocyte glutathione level in mg/ml 2. Erythrocyte Glutathione (GSH) level in mg/ml.8 weeksGlutathione is an anti-oxidant Glutathione is anti-oxidant.
Comparison of adverse effects in percentage8 weeksAdverse effects in Metformin treated and placebo treated patients

Countries

Bangladesh

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026