GALAD Score for the Diagnosis of Hepatocellular Carcinoma in Sub-Saharan Africa: A Validation Study in Ghanaian Patients

Cancer Res Commun. 2024 Oct 1;4(10):2653-2659. doi: 10.1158/2767-9764.CRC-24-0227.

Abstract

Hepatocellular carcinoma (HCC) is one of the leading causes of cancer-related mortality worldwide including sub-Saharan Africa. The GALAD score, derived from Gender, Age, Lens culinaris agglutinin-reactive fraction of alpha fetoprotein, Alpha fetoprotein, and Des-carboxy-prothrombin, has high accuracy in diagnosing HCC in Asia, Europe, and North America; however, it has not been validated in an African cohort. The aim of this study was to assess the performance of the GALAD score in the diagnosis of HCC in sub-Saharan Africa. Clinical data from patients with cirrhosis (n = 93) or HCC (n = 78) from outpatient hepatology clinics at three teaching hospitals in Ghana were abstracted, and serum samples were analyzed. A logistic regression model predicting HCC status based on the GALAD score was constructed to obtain the ROC curve for GALAD. The AUC with 95% confidence interval (CI) was calculated. The median GALAD score was higher among patients with HCC versus cirrhosis controls (8.0 vs. -4.1, P < 0.01). The AUC of the GALAD score for HCC detection was 0.86 (95% CI, 0.79-0.92). At a cut-off value of -0.37, the GALAD score had a sensitivity of 0.81 and a specificity of 0.86. The AUC (95% CI) was 0.87 (0.80-0.95) and 0.81 (0.67-0.94) in hepatitis B virus-positive and hepatitis B virus-negative patients, respectively. The GALAD score has a high accuracy for HCC detection. It has great potential to improve HCC surveillance in sub-Saharan Africa where imaging resources are limited. Significance: The GALAD score or its relevant modifications have the potential to aid in improving HCC surveillance efforts in low-resource settings in sub-Saharan Africa. This could enhance early detection rates of HCC and potentially improve survival rates in resource-limited settings.

Publication types

  • Validation Study
  • Research Support, Non-U.S. Gov't

MeSH terms

  • Adult
  • Aged
  • Biomarkers
  • Biomarkers, Tumor / blood
  • Carcinoma, Hepatocellular* / blood
  • Carcinoma, Hepatocellular* / diagnosis
  • Carcinoma, Hepatocellular* / epidemiology
  • Female
  • Ghana / epidemiology
  • Humans
  • Liver Cirrhosis / blood
  • Liver Cirrhosis / diagnosis
  • Liver Neoplasms* / blood
  • Liver Neoplasms* / diagnosis
  • Liver Neoplasms* / epidemiology
  • Male
  • Middle Aged
  • Plant Lectins
  • Protein Precursors
  • Prothrombin
  • ROC Curve
  • alpha-Fetoproteins* / analysis
  • alpha-Fetoproteins* / metabolism

Substances

  • alpha-Fetoproteins
  • Prothrombin
  • acarboxyprothrombin
  • Biomarkers, Tumor
  • lentil lectin
  • Plant Lectins
  • Protein Precursors
  • Biomarkers