Comparative clinical trial of Langenlianqiao oral liquid and Lianhuaqingwen capsule in the treatment of mild cases of coronavirus disease 2019 (COVID-19)

Clinical Trial Overview

Title: Comparative clinical trial of Langenlianqiao oral liquid and Lianhuaqingwen capsule in treating mild COVID-19 cases.

Published in: J Health Popul Nutr. 2024 Oct 12;43(1):158.

Objective

The goal of this study was to assess how effective Langenlianqiao (LGLQ) oral liquid is in treating COVID-19, providing valuable information for clinical treatment.

Study Design

This was an experimental clinical study conducted at Changde Hospital with three groups of patients confirmed to have COVID-19.

Participants

A total of 253 patients participated in the study.

Methods

Patients were divided into three groups:

  • LGLQ treatment group: 100 patients
  • Lianhuaqingwen (LHQW) treatment group: 100 patients
  • Placebo control group: 53 patients

The study compared the major symptoms, how long symptoms lasted, hospital stay duration, and infection duration among the groups.

Results

The LGLQ and LHQW groups had shorter infection (6.8 days) and hospital stay (7.4 days) compared to the placebo group (10.0 days). The LGLQ group had a lower rate of fatigue (4.0%) compared to LHQW (14.0%) and placebo (15.1%), although these differences were not statistically significant.

For cough treatment, the LGLQ group performed significantly better than both LHQW and placebo groups. LHQW was effective in reducing dry cough compared to placebo, while LGLQ did not show a significant difference.

However, neither treatment reduced the duration of symptoms for patients who had pre-existing conditions.

Conclusions

The LGLQ treatment improved clinical symptoms of COVID-19 and reduced hospital stay and infection duration, showing similar antiviral effects as LHQW. This research could enhance future antiviral therapy approaches.

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