Evaluating the Efficacy and Safety of Tolvaptan in Patients with Autosomal Dominant Polycystic Kidney Disease: A Systematic Review and Meta-Analysis of Randomized Controlled Trials
BACKGROUND: Autosomal dominant polycystic kidney disease (ADPKD) causes end-stage renal disease (ESRD) and a decline in the estimated glomerular filtration rate (eGFR) (1,2). In this meta-analysis, we aimed to assess the efficacy and safety of tolvaptan in delaying both eGFR decline and total kidney...
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University Library System, University of Pittsburgh
2025-01-01
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| Series: | International Journal of Medical Students |
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| Online Access: | http://ijms.info/IJMS/article/view/2968 |
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| author | Mohamed Ibrahim Ibrahim Nagmeldin Hassan Ahmed Mohammed Alhassan Ismail Abdulsamad |
| author_facet | Mohamed Ibrahim Ibrahim Nagmeldin Hassan Ahmed Mohammed Alhassan Ismail Abdulsamad |
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BACKGROUND: Autosomal dominant polycystic kidney disease (ADPKD) causes end-stage renal disease (ESRD) and a decline in the estimated glomerular filtration rate (eGFR) (1,2). In this meta-analysis, we aimed to assess the efficacy and safety of tolvaptan in delaying both eGFR decline and total kidney volume (TKV) increase in patients with ADPKD.
METHODS: A systematic search was conducted on PubMed, EMBASE, Web of Science, and Cochrane databases from inception to July 2024. We used the relevant keywords to include studies reporting delay in both eGFR decline and total kidney volume (TKV) increase after tolvaptan therapy. The definition of delay in both eGFR decline and total kidney volume (TKV) increase was identified across the included studies. The number of patients who achieved delay in both eGFR decline and total kidney volume (TKV) increase were extracted from the included studies. Review Manager Version 5.4 (RevMan 5.4) was used for meta-analysis. The random effect model was used in the presence of heterogeneity.
RESULTS: 4 studies (3-6) with 1775 patients were included. The pooled mean difference showed that tolvaptan significantly delays eGFR decline [MD = 1.21, 95% CI (0.81, 1.62), P = 0.001, I² = 40%] and total kidney volume (TKV) increase [MD = -3.02%, 95% CI (-3.62%, -2.42%, P = 0.001, I² = 42%] compared to placebo in ADPKD patients. Furthermore, our pooled analysis demonstrated a significant difference in our secondary outcomes, in which tolvaptan reduced the likelihood of complications such as hypertension [OR = 0.87, 95% CI (0.72, 1.05)], hematuria [OR = 0.92, 95% CI (0.78, 1.09)], renal pain [OR = 0.89, 95% CI (0.75, 1.05)], and urinary tract infection [OR = 0.96, 95% CI (0.82, 1.12)]. However, tolvaptan-treated patients had increased adjusted odds of adverse effects, including polyuria [OR = 5.2, 95% CI (4.3, 6.3)], polydipsia [OR = 3.0, 95% CI (2.4, 3.8)], and hepatic injury [OR = 2.5, 95% CI (1.9, 3.3)].
CONCLUSION: Based on this meta-analysis, tolvaptan was associated with a significant delay in both eGFR decline and total kidney volume (TKV) increase. We observed a substantial reduction in the likelihood of complications such as hypertension, hematuria, renal pain, and urinary tract infection in ADPKD patients compared with placebo. However, a slightly higher risk of adverse effects such as polyuria, polydipsia, and hepatic injury was demonstrated. Additional randomized, large-volume clinical trials with long-term follow-ups are required, as tolvaptan may carry short and long-term prognostic implications.
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| publishDate | 2025-01-01 |
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| spelling | doaj-art-62a6771bc24f43bdb21cb8520d327b512025-01-01T13:37:42ZengUniversity Library System, University of PittsburghInternational Journal of Medical Students2076-63272025-01-0112Evaluating the Efficacy and Safety of Tolvaptan in Patients with Autosomal Dominant Polycystic Kidney Disease: A Systematic Review and Meta-Analysis of Randomized Controlled TrialsMohamed Ibrahim0Ibrahim Nagmeldin Hassan1Ahmed Mohammed Alhassan Ismail Abdulsamad2Al Neelain University Faculty of Medicine, Khartoum, SudanUniversity of KhartoumUniversity of Khartoum Faculty of Medicine, Khartoum, Sudan BACKGROUND: Autosomal dominant polycystic kidney disease (ADPKD) causes end-stage renal disease (ESRD) and a decline in the estimated glomerular filtration rate (eGFR) (1,2). In this meta-analysis, we aimed to assess the efficacy and safety of tolvaptan in delaying both eGFR decline and total kidney volume (TKV) increase in patients with ADPKD. METHODS: A systematic search was conducted on PubMed, EMBASE, Web of Science, and Cochrane databases from inception to July 2024. We used the relevant keywords to include studies reporting delay in both eGFR decline and total kidney volume (TKV) increase after tolvaptan therapy. The definition of delay in both eGFR decline and total kidney volume (TKV) increase was identified across the included studies. The number of patients who achieved delay in both eGFR decline and total kidney volume (TKV) increase were extracted from the included studies. Review Manager Version 5.4 (RevMan 5.4) was used for meta-analysis. The random effect model was used in the presence of heterogeneity. RESULTS: 4 studies (3-6) with 1775 patients were included. The pooled mean difference showed that tolvaptan significantly delays eGFR decline [MD = 1.21, 95% CI (0.81, 1.62), P = 0.001, I² = 40%] and total kidney volume (TKV) increase [MD = -3.02%, 95% CI (-3.62%, -2.42%, P = 0.001, I² = 42%] compared to placebo in ADPKD patients. Furthermore, our pooled analysis demonstrated a significant difference in our secondary outcomes, in which tolvaptan reduced the likelihood of complications such as hypertension [OR = 0.87, 95% CI (0.72, 1.05)], hematuria [OR = 0.92, 95% CI (0.78, 1.09)], renal pain [OR = 0.89, 95% CI (0.75, 1.05)], and urinary tract infection [OR = 0.96, 95% CI (0.82, 1.12)]. However, tolvaptan-treated patients had increased adjusted odds of adverse effects, including polyuria [OR = 5.2, 95% CI (4.3, 6.3)], polydipsia [OR = 3.0, 95% CI (2.4, 3.8)], and hepatic injury [OR = 2.5, 95% CI (1.9, 3.3)]. CONCLUSION: Based on this meta-analysis, tolvaptan was associated with a significant delay in both eGFR decline and total kidney volume (TKV) increase. We observed a substantial reduction in the likelihood of complications such as hypertension, hematuria, renal pain, and urinary tract infection in ADPKD patients compared with placebo. However, a slightly higher risk of adverse effects such as polyuria, polydipsia, and hepatic injury was demonstrated. Additional randomized, large-volume clinical trials with long-term follow-ups are required, as tolvaptan may carry short and long-term prognostic implications. http://ijms.info/IJMS/article/view/2968Autosomal dominant polycystic kidney disease (ADPKD)TolvaptaneGFR (estimated glomerular filtration rate)TKV (total kidney volume) |
| spellingShingle | Mohamed Ibrahim Ibrahim Nagmeldin Hassan Ahmed Mohammed Alhassan Ismail Abdulsamad Evaluating the Efficacy and Safety of Tolvaptan in Patients with Autosomal Dominant Polycystic Kidney Disease: A Systematic Review and Meta-Analysis of Randomized Controlled Trials International Journal of Medical Students Autosomal dominant polycystic kidney disease (ADPKD) Tolvaptan eGFR (estimated glomerular filtration rate) TKV (total kidney volume) |
| title | Evaluating the Efficacy and Safety of Tolvaptan in Patients with Autosomal Dominant Polycystic Kidney Disease: A Systematic Review and Meta-Analysis of Randomized Controlled Trials |
| title_full | Evaluating the Efficacy and Safety of Tolvaptan in Patients with Autosomal Dominant Polycystic Kidney Disease: A Systematic Review and Meta-Analysis of Randomized Controlled Trials |
| title_fullStr | Evaluating the Efficacy and Safety of Tolvaptan in Patients with Autosomal Dominant Polycystic Kidney Disease: A Systematic Review and Meta-Analysis of Randomized Controlled Trials |
| title_full_unstemmed | Evaluating the Efficacy and Safety of Tolvaptan in Patients with Autosomal Dominant Polycystic Kidney Disease: A Systematic Review and Meta-Analysis of Randomized Controlled Trials |
| title_short | Evaluating the Efficacy and Safety of Tolvaptan in Patients with Autosomal Dominant Polycystic Kidney Disease: A Systematic Review and Meta-Analysis of Randomized Controlled Trials |
| title_sort | evaluating the efficacy and safety of tolvaptan in patients with autosomal dominant polycystic kidney disease a systematic review and meta analysis of randomized controlled trials |
| topic | Autosomal dominant polycystic kidney disease (ADPKD) Tolvaptan eGFR (estimated glomerular filtration rate) TKV (total kidney volume) |
| url | http://ijms.info/IJMS/article/view/2968 |
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