Florman, Katia Eh; Siddharthan, Trishul; Pollard, Suzanne L; Alupo, Patricia; Barber, Julie A; Chandyo, Ram K; Flores-Flores, Oscar; ... GECo Study Investigators, .; + view all Florman, Katia Eh; Siddharthan, Trishul; Pollard, Suzanne L; Alupo, Patricia; Barber, Julie A; Chandyo, Ram K; Flores-Flores, Oscar; Kirenga, Bruce; Mendes, Renata Gonçalves; Miranda, J Jaime; Mohan, Sakshi; Ricciardi, Federico; Rykiel, Natalie A; Sharma, Arun K; Wosu, Adaeze C; Checkley, William; Hurst, John R; GECo Study Investigators, .; - view fewer (2023) Unmet Diagnostic and Therapeutic Opportunities for COPD in Low- and Middle-Income Countries. American Journal of Respiratory and Critical Care Medicine , 208 (4) pp. 442-450. 10.1164/rccm.202302-0289OC.

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Abstract

RATIONALE: Chronic obstructive pulmonary disease (COPD) is a prevalent and burdensome condition in low- and middle-income countries (LMICs). Challenges to better care include more effective diagnosis, and access to affordable interventions. There are no previous reports describing therapeutic needs in LMIC populations with COPD identified through screening. OBJECTIVE: To describe unmet therapeutic need in screening-detected COPD in LMIC settings. METHODS: We compared interventions recommended by the international 'GOLD' COPD strategy document, with that received, in 1000 people with COPD identified by population screening at three LMIC sites in Nepal, Peru and Uganda. We calculated costs using data on the availability and affordability of medicines. MEASUREMENT AND MAIN RESULTS: The greatest unmet need for non-pharmacological interventions was for education and vaccinations (applicable to all), pulmonary rehabilitation (49%), smoking cessation (30%) and advice on biomass smoke exposure (26%). 95% of cases were previously undiagnosed and few were receiving therapy (4.5% had short-acting beta-agonists). Only three of 47 people (6%) with a previous COPD diagnosis had access to drugs consistent with recommendations. None of those with more severe COPD were accessing appropriate maintenance inhalers. Even when available, maintenance treatments were unaffordable with 30 days of treatment more than a low-skilled workers' daily average wage. CONCLUSION: We found significant missed opportunity to reduce the burden of COPD in LMIC settings, with most cases undiagnosed. Whilst there is unmet need in developing novel therapies, in LMICs where the burden is greatest, better diagnosis together with access to affordable interventions could translate to immediate benefit. This article is open access and distributed under the terms of the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/).

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