Proceedings of ESCAPE 36ISSN: 2818-4734
Volume: 5 (2026)
Table of Contents
LAPSE:2026.0363
Published Article
LAPSE:2026.0363
Enhancing Pharmaceutical Supply Chain Robustness via Simulated Annealing
June 12, 2026
Abstract
The pharmaceutical sector is essential for ensuring universal access to medicines, demanding ef-ficient supply chains that deliver drugs at optimal prices with minimal delays and shortages. Pharmaceutical supply chains (PSCs) face significant challenges, including strict quality controls, government regulations, drug perishability, high R&D costs, and complex transportation require-ments. The sector is undergoing a shift, driven by the rise of pharmaceutical components in emerging markets, unpredictable demand, and reduced R&D investments by major companies, which struggle to compete with generic pharmaceutical brands. Post-pandemic challenges and geopolitical risks have further exposed vulnerabilities in PSCs, leading to frequent supply disrup-tions, product shortages, and unreliable transportation. The increasing focus on regionalization highlights the need for more resilient supply chains to manage disruptions effectively. PSCs must incorporate robustness to address uncertainties and disruptions, which can be internal, such as operational, financial, and quality risks, or external, including supply, demand, and environmental uncertainties. While recent research emphasizes the importance of integrating these uncertain-ties into decision-making tools, the field still lacks comprehensive solutions for PSC optimization. Previous studies have used heuristic and metaheuristic algorithms to address individual uncer-tainties and disruptions, providing feasible solutions with lower computational effort. However, a more holistic approach is required. This work introduces a new tool based on a Meta-heuristic al-gorithm, which evaluates the robustness of PSCs under multiple uncertainties and disruptions. The tool enables the development of what-if scenarios, helping decision-makers improve supply chain robustness and adaptability in the face of several risks
Keywords
Algorithms, Modelling and Simulations, Optimization, Simulated Annealing, Supply Chain, Uncertainty
Suggested Citation
Chibeles-Martins N, Monge MA, Pinto-Varela T. Enhancing Pharmaceutical Supply Chain Robustness via Simulated Annealing. Systems and Control Transactions 5:1262-1268 (2026) https://doi.org/10.69997/sct.194948
Author Affiliations
Chibeles-Martins N: Departamento de Matemática, Faculdade de Ciências e Tecnologia, Universidade Nova de Lisboa, Caparica, Portugal. NOVA MATH, Centro de Matemática e Aplicações, Faculdade de Ciências e Tecnologia, Universidade Nova de Lisboa, Caparica, Portugal [ORCID]
Monge MA: Centro de Estudos de Gestão, Instituto Superior Técnico, Universidade Lisboa, Lisboa, Portugal
Pinto-Varela T: Centro de Estudos de Gestão, Instituto Superior Técnico, Universidade Lisboa, Lisboa, Portugal [ORCID]
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Journal Name
Systems and Control Transactions
Volume
5
First Page
1262
Last Page
1268
Year
2026
Publication Date
2026-06-12
Version Comments
Original Submission
Other Meta
PII: 1262-1268-444-SCT-5-2026, Publication Type: Journal Article
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LAPSE:2026.0363
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References Cited
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