# Photobiomodulation on Postoperative Pain

> **NCT04190797** · NA · UNKNOWN · sponsor: **University of Sao Paulo General Hospital** · enrollment: 34 (estimated)

## Conditions studied

- Knee Osteoarthritis
- Metabolic Disease

## Interventions

- **DEVICE:** Photobiomodulation + patiente controled anaethesia (PCA)
- **DEVICE:** Placebo + patiente controled anaethesia (PCA)

## Key facts

- **NCT ID:** NCT04190797
- **Lead sponsor:** University of Sao Paulo General Hospital
- **Sponsor class:** OTHER
- **Phase:** NA
- **Study type:** INTERVENTIONAL
- **Status:** UNKNOWN
- **Start date:** 2019-12-01
- **Primary completion:** 2020-08-01
- **Final completion:** 2020-08-01
- **Target enrollment:** 34 (ESTIMATED)
- **Last updated:** 2019-12-09


## Primary source

ClinicalTrials.gov registry: https://clinicaltrials.gov/study/NCT04190797

## Citation

> US National Library of Medicine, ClinicalTrials.gov registration NCT04190797, "Photobiomodulation on Postoperative Pain". Retrieved via AI Analytics 2026-06-02 from https://api.ai-analytics.org/clinical/NCT04190797. Licensed CC0.

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