Drug safety · 2015
Targeted spontaneous reporting of suspected renal toxicity in patients undergoing highly active anti-retroviral therapy in two public health facilities in Uganda.
СтатьяПоддержка исследования: вне правительства СШАНазвание и аннотация: Перевод в очереди
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Ndagije Helen, Nambasa Victoria, Namagala Elizabeth, Nassali Huldah, Kajungu Dan, Sematiko Gordon, Olsson Sten, Pal Shanthi
Аннотация
BACKGROUND: Although the national HIV control programme in Uganda has a well-established system for monitoring disease progression and treatment outcomes, monitoring of adverse drug reactions (ADRs) is inadequate. In order to address under-reporting of ADRs, the National Pharmacovigilance Centre, in collaboration with the HIV control programme, piloted a targeted spontaneous reporting (TSR) system as a complementary method to traditional spontaneous reporting.
METHODS: From April 2012 to March 2014, all cases of suspected renal toxicity in 10,225 patients on tenofovir-based regimens were monitored in the regional pharmacovigilance centres of Masaka and Mbale. The identification of renal toxicity was performed using serum creatinine, urinalysis, and other signs and symptoms of kidney injury.
RESULTS: There was one suspected renal toxicity reported for every 200 patients on a tenofovir-based regimen. Some of the serious reactions reported were death in two cases and bone demineralisation in five patients. Most of patients had been on treatment for 2 years. Those that had been on tenofovir for more than 4 years had raised serum creatinine levels, emphasising the importance of monitoring for the risk of renal damage for longer. We also found that the reporting rate of suspected ADRs for all medicines in the two sites increased almost fivefold during the implementation period.
CONCLUSION: Although the occurrence of suspected tenofovir renal toxicity of HIV patients is low, there is need to monitor those at risk so as to prevent irreversible kidney injury. TSR can complement spontaneous reporting for collecting safety data on particular drugs and increase ADR reporting rates.
METHODS: From April 2012 to March 2014, all cases of suspected renal toxicity in 10,225 patients on tenofovir-based regimens were monitored in the regional pharmacovigilance centres of Masaka and Mbale. The identification of renal toxicity was performed using serum creatinine, urinalysis, and other signs and symptoms of kidney injury.
RESULTS: There was one suspected renal toxicity reported for every 200 patients on a tenofovir-based regimen. Some of the serious reactions reported were death in two cases and bone demineralisation in five patients. Most of patients had been on treatment for 2 years. Those that had been on tenofovir for more than 4 years had raised serum creatinine levels, emphasising the importance of monitoring for the risk of renal damage for longer. We also found that the reporting rate of suspected ADRs for all medicines in the two sites increased almost fivefold during the implementation period.
CONCLUSION: Although the occurrence of suspected tenofovir renal toxicity of HIV patients is low, there is need to monitor those at risk so as to prevent irreversible kidney injury. TSR can complement spontaneous reporting for collecting safety data on particular drugs and increase ADR reporting rates.