# Efficacy Study of Light Therapy as an Adjunctive Treatment for Parkinson's Disease

> **NCT02175472** · NA · COMPLETED · sponsor: **PhotoPharmics, Inc.** · enrollment: 92 (actual)

## Conditions studied

- Parkinson Disease

## Interventions

- **DEVICE:** Spectramax light therapy device
- **DEVICE:** Control light device

## Key facts

- **NCT ID:** NCT02175472
- **Lead sponsor:** PhotoPharmics, Inc.
- **Sponsor class:** INDUSTRY
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** COMPLETED
- **Start date:** 2014-06
- **Primary completion:** 2016-10
- **Final completion:** 2016-12-23
- **Target enrollment:** 92 (ACTUAL)
- **Last updated:** 2018-10-23


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT02175472

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT02175472, "Efficacy Study of Light Therapy as an Adjunctive Treatment for Parkinson's Disease". Retrieved via AI Analytics 2026-07-15 from https://api.ai-analytics.org/clinical/NCT02175472. Licensed CC0.

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