Article Publish Status: FREE
Abstract Title:

Efficacy and safety ofleaf extract in the dengue: A systematic review and meta-analysis.

Abstract Source:

Int J Appl Basic Med Res. 2016 Oct-Dec;6(4):249-254. PMID: 27857891

Abstract Author(s):

Jaykaran Charan, Deepak Saxena, Jagdish Prasad Goyal, Sandul Yasobant

Article Affiliation:

Jaykaran Charan


BACKGROUND: Dengue is an infectious disease associated with high mortality and morbidity. Being a viral disease, there is no specific drug available for treatment. There are some reports that Carica papaya leaf extract may improve the clinical condition of dengue patients; however, to support this, at present, there is no systematically searched and synthesized evidence available.

OBJECTIVES: This systematic review and meta-analysis was designed to search the available evidence related to the efficacy and safety ofleaf extract in dengue and to synthesize the evidence in meaningful form through meta-analysis so that inference can be drawn.

MATERIALS AND METHODS: Randomized controlled trials related to the efficacy and safety ofleaf extract in dengue were searched from PubMed, Cochrane Clinical Trial Registry and Google Scholar. The primary endpoint was mortality, and secondary endpoints were increase in platelet count, hospitalization days, and Grade 3 and 4 adverse events. Data related to primary and secondary endpoints were pooled together and analyzed by review manager (Review Manager (RevMan) Copenhagen: The Nordic Cochrane Centre, The Cochrane Collaboration, Denmark) software. The random effect model was used. The bias was analyzed by the Cochrane risk of bias tool.

RESULTS: Total four trials enrolling 439 subjects were included in the analysis. Of 439 subjects, data of 377 subjects were available for analysis.leaf extract was found to be associated with increase in platelet count in the overall analysis (mean difference [MD] =20.27 [95% confidence interval (CI) 6.21-34.73;= 0.005]) and analysis after 4day (MD = 28.25 [95% CI 14.14-42.37;<0.0001]). After 48 h, there was no significant difference betweenand control group (MD = 13.38 [95% CI - 7.71-34.51;= 0.21]). There was significant decrease in hospitalization days in thegroup (MD = 1.90 [95% CI 1.62-2.18;<0.00001]). Because of nonavailability of data in published clinical trials, mortality, and adverse events cannot be pooled.

CONCLUSION: leaf extract can be considered as a potential candidate for increase in platelet count in patients of dengue, however; there is need of high-quality evidence in the form of large clinical trials before a decision related to the use of such extract is made.

Study Type : Meta Analysis, Review
Additional Links
Pharmacological Actions : Antiviral Agents : CK(1957) : AC(1034)

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Sayer Ji
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