Changes in carbohydrate-deficient transferrin levels after alcohol withdrawal

Area of Science:

• Biochemistry
• Clinical Chemistry
• Addiction Medicine

Background:

• Chronic alcoholism significantly impacts liver function and cellular metabolism.
• Carbohydrate-deficient transferrin (CDT) is a biomarker reflecting alcohol consumption.
• Assessing alcohol abuse and treatment efficacy requires sensitive and specific biochemical markers.

Purpose of the Study:

• To evaluate the diagnostic and prognostic value of serum carbohydrate-deficient transferrin (CDT) in alcohol-dependent individuals during detoxification.
• To compare the sensitivity of CDT with other biochemical markers like gamma-glutamyl transferase (GGT), AST, ALT, and MCV.
• To assess the utility of CDT and GGT in monitoring treatment outcomes and detecting relapse.

Main Methods:

• Sequential serum CDT levels were measured in 72 alcoholics during detoxification.
• Gamma-glutamyl transferase (GGT), AST, ALT, and MCV were also assessed.
• CDT half-life was calculated after alcohol cessation.
• Correlation between CDT and GGT levels, and their combined sensitivity for alcoholism and relapse detection were analyzed.

Main Results:

• Elevated CDT levels were found in 79% of patients before treatment.
• CDT normalized within a mean half-life of 16 days after alcohol cessation.
• Relapse was indicated by a recurrent increase in CDT levels.
• CDT was the most sensitive marker for chronic alcoholism (79%), while GGT was more useful in patients with normal baseline CDT.
• Combined CDT and GGT sensitivity for assessing treatment outcome reached 95%.

Conclusions:

• Serum CDT is a highly sensitive and reliable biomarker for detecting chronic alcohol abuse and monitoring recovery.
• The combination of CDT and GGT offers a powerful tool for assessing treatment effectiveness and identifying relapse in alcohol-dependent patients.
• CDT normalization kinetics provide valuable information on the duration of abstinence.