Viewing Study NCT07148804


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Study NCT ID: NCT07148804
Status: COMPLETED
Last Update Posted: 2025-08-29
First Post: 2025-08-11
Is NOT Gene Therapy: False
Has Adverse Events: False

Brief Title: A Double-Blind, Placebo-Controlled Study of Fermented Deglycyrrhizinated Licorice Extract
Sponsor: Helwan University
Organization:

Study Overview

Official Title: Oral α-Amylase Enzyme Replacement for the Treatment of Diabetic Polyneuropathy
Status: COMPLETED
Status Verified Date: 2025-08
Last Known Status: None
Delayed Posting: No
If Stopped, Why?: Not Stopped
Has Expanded Access: False
If Expanded Access, NCT#: N/A
Has Expanded Access, NCT# Status: N/A
Acronym: None
Brief Summary: This double-blind, placebo-controlled study evaluated the efficacy of oral α-amylase enzyme replacement therapy in treating early-stage diabetic polyneuropathy (DPN). The study was conducted at Al-Azhar University Hospitals with 83 diabetic patients randomized to receive either fermented deglycyrrhizinated licorice extract (FDGL) containing α-amylase enzyme (2500 IU/gm) or placebo for 6 months. Primary outcomes measured improvements in nerve conduction velocity and vibration perception threshold.
Detailed Description: Diabetes mellitus complications continue to develop despite optimal glycemic control with insulin. Recent studies suggest that serum amylase deficiency correlates with the severity of diabetic complications. This study hypothesizes that α-amylase enzyme deficiency represents an enzymatic defect in the cascade between activated insulin receptors and mitochondrial energy liberation, contributing to diabetic complications.

α-amylase is a glycolytic enzyme that undergoes entero-pancreatic circulation and is proposed to be a precursor to key phosphorylating enzymes (glycogen phosphorylase, glucokinase, and hexokinase) essential for glycolysis. Supplementation with α-amylase may restore normal carbohydrate metabolism and prevent diabetic complications.

The study drug is a formulation rich in α-amylase enzyme prepared from fermented deglycyrrhizinated licorice root extract, also containing acid-lipase enzyme and naturally occurring flavonoids. The intervention was administered as 500mg capsules twice daily, one hour before meals, for 6 months alongside regular antidiabetic medications.

Study Oversight

Has Oversight DMC: None
Is a FDA Regulated Drug?: False
Is a FDA Regulated Device?: False
Is an Unapproved Device?: None
Is a PPSD?: None
Is a US Export?: None
Is an FDA AA801 Violation?: