Introduction: The objective of this study was to evaluate the economic impact of supply chain investment on the performance of the National Supply System of Essential Medicines in Sudan from 2011 to 2014.
Methods: This is a retrospective cross-sectional study designed from National Medical Supplies Fund documents. The cost-effectiveness analysis involved an economic evaluation of the performance of the supply chain system, with the cost calculated by using the activity-based costing method, by examining a supply chain according to its main components or functions including the cost of procurement, central storage, distribution and management, and administrative function.
Objective: To systematically identify the main factors contributing to the increase in pharmaceutical expenditures.
Methods: A systematic search of published studies was conducted utilising major widely used electronic databases using the search terms 'factors,' 'financing,' 'pharmaceutical,' and 'expenditures.' To be included, the studies needed to: (1) measure at least one of the following outcomes: total growth in pharmaceutical expenditures, price growth or quantity growth; (2) mention a clear method for analysing the impact of factors affecting the increases in drug expenditures; (3) be written in English.