Comparative efficacy of sodium oxybate versus placebo on improvement of nighttime sleep in adult patients with narcolepsy: A systematic review and meta-analysis
Background: Narcolepsy, a central hypersomnolence disorder, disrupts sleep regulation. Sodium oxybate, a CNS (central nervous system) depressant, is widely used as a treatment, but there are surprisingly very few rigorous studies comparing its effectiveness to placebo in adults. Objectives: To measu...
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Elsevier
2025-12-01
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| Series: | Sleep Medicine: X |
| Online Access: | http://www.sciencedirect.com/science/article/pii/S259014272400034X |
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| author | Adina Arshad Muhammad Abdul Muqtadir Qureshi Muhammad Abdullah Masood Hafiz Shahbaz Zahoor Ayesha Nazakat Anfal Fatima Javed Iqbal |
| author_facet | Adina Arshad Muhammad Abdul Muqtadir Qureshi Muhammad Abdullah Masood Hafiz Shahbaz Zahoor Ayesha Nazakat Anfal Fatima Javed Iqbal |
| author_sort | Adina Arshad |
| collection | DOAJ |
| description | Background: Narcolepsy, a central hypersomnolence disorder, disrupts sleep regulation. Sodium oxybate, a CNS (central nervous system) depressant, is widely used as a treatment, but there are surprisingly very few rigorous studies comparing its effectiveness to placebo in adults. Objectives: To measure the comparative efficacy of sodium oxybate at a dosage regimen of 9 g versus placebo in improving nighttime sleep quality, reducing nocturnal arousals and sleep stage shifts, and enhancing the overall refreshed nature of sleep in adult patients with narcolepsy. Methods: The methodology included a literature review of PubMed, Cochrane, Scopus, Google Scholar, and Clinicaltrials.gov, retrieving 53 randomized controlled trials (RCT) after removing 14 duplicates. Four studies met the criteria for gauging the efficacy of sodium oxybate compared to placebo in the adult population with narcolepsy. The primary efficacy outcome was improved sleep quality, whereas secondary outcomes were reduced nocturnal arousals and sleep stage shifts with an overall refreshed sleep nature. Analyses used RevMan 5.3 software, and SMD (standardized mean differences) with 95 % CI (confidence intervals) were calculated. Risk and publication biases were measured with Cochrane risk of bias tools and Comprehensive Meta-Analysis Software. Evidence certainty was measured using GRADEpro. Results: Four RCT involving 1079 participants were analyzed for said outcomes, and relevant forest plots were generated. Statistical analysis showed a substantial improvement in sleep quality [SMD = 0.74(95%Cl:0.53,0.95; p < 0.00001; I2 = 0 %; (high certainty)] and refreshing nature of sleep [SMD = 0.81(95%CI:0.51,1.11; P < 0.00001; I2 = 0 %; (moderate certainty)], reduction in nocturnal arousals [SMD = −0.62(95%CI: 0.92,-0.32; p < 0.00001; I2 = 0 %; (moderate certainty)] and sleep stage shifts [SMD = −1.22(95%CI: 1.46,-0.98; p < 0.00001; I2 = 0 %; (high certainty)]. The risk of bias was located high for one study. Symmetrical funnel plots and Egger's regression intercepts testified to no significant publication bias. Conclusions: The results showed that sodium oxybate considerably improved the quality of nocturnal sleep, resulting in substantial restorative advantages as well as a decrease in nocturnal arousals and sleep stage transitions. Significant results with low heterogeneity and p-values <0.05, showing consistent effects, were obtained from the analysis. However, overall reliability may be impacted by a high risk of bias in one study. |
| format | Article |
| id | doaj-art-1b772e56fb2b4ef6bef37a94cfecade3 |
| institution | OA Journals |
| issn | 2590-1427 |
| language | English |
| publishDate | 2025-12-01 |
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| series | Sleep Medicine: X |
| spelling | doaj-art-1b772e56fb2b4ef6bef37a94cfecade32025-08-20T02:00:12ZengElsevierSleep Medicine: X2590-14272025-12-01910013610.1016/j.sleepx.2024.100136Comparative efficacy of sodium oxybate versus placebo on improvement of nighttime sleep in adult patients with narcolepsy: A systematic review and meta-analysisAdina Arshad0Muhammad Abdul Muqtadir Qureshi1Muhammad Abdullah Masood2Hafiz Shahbaz Zahoor3Ayesha Nazakat4Anfal Fatima5Javed Iqbal6Quaid-e-Azam Medical College, Bahawalpur, Punjab, PakistanQuaid-e-Azam Medical College, Bahawalpur, Punjab, PakistanQuaid-e-Azam Medical College, Bahawalpur, Punjab, PakistanQuaid-e-Azam Medical College, Bahawalpur, Punjab, PakistanQuaid-e-Azam Medical College, Bahawalpur, Punjab, PakistanQuaid-e-Azam Medical College, Bahawalpur, Punjab, PakistanHamad Medical Corporation, Doha, Qatar; Corresponding author.Background: Narcolepsy, a central hypersomnolence disorder, disrupts sleep regulation. Sodium oxybate, a CNS (central nervous system) depressant, is widely used as a treatment, but there are surprisingly very few rigorous studies comparing its effectiveness to placebo in adults. Objectives: To measure the comparative efficacy of sodium oxybate at a dosage regimen of 9 g versus placebo in improving nighttime sleep quality, reducing nocturnal arousals and sleep stage shifts, and enhancing the overall refreshed nature of sleep in adult patients with narcolepsy. Methods: The methodology included a literature review of PubMed, Cochrane, Scopus, Google Scholar, and Clinicaltrials.gov, retrieving 53 randomized controlled trials (RCT) after removing 14 duplicates. Four studies met the criteria for gauging the efficacy of sodium oxybate compared to placebo in the adult population with narcolepsy. The primary efficacy outcome was improved sleep quality, whereas secondary outcomes were reduced nocturnal arousals and sleep stage shifts with an overall refreshed sleep nature. Analyses used RevMan 5.3 software, and SMD (standardized mean differences) with 95 % CI (confidence intervals) were calculated. Risk and publication biases were measured with Cochrane risk of bias tools and Comprehensive Meta-Analysis Software. Evidence certainty was measured using GRADEpro. Results: Four RCT involving 1079 participants were analyzed for said outcomes, and relevant forest plots were generated. Statistical analysis showed a substantial improvement in sleep quality [SMD = 0.74(95%Cl:0.53,0.95; p < 0.00001; I2 = 0 %; (high certainty)] and refreshing nature of sleep [SMD = 0.81(95%CI:0.51,1.11; P < 0.00001; I2 = 0 %; (moderate certainty)], reduction in nocturnal arousals [SMD = −0.62(95%CI: 0.92,-0.32; p < 0.00001; I2 = 0 %; (moderate certainty)] and sleep stage shifts [SMD = −1.22(95%CI: 1.46,-0.98; p < 0.00001; I2 = 0 %; (high certainty)]. The risk of bias was located high for one study. Symmetrical funnel plots and Egger's regression intercepts testified to no significant publication bias. Conclusions: The results showed that sodium oxybate considerably improved the quality of nocturnal sleep, resulting in substantial restorative advantages as well as a decrease in nocturnal arousals and sleep stage transitions. Significant results with low heterogeneity and p-values <0.05, showing consistent effects, were obtained from the analysis. However, overall reliability may be impacted by a high risk of bias in one study.http://www.sciencedirect.com/science/article/pii/S259014272400034X |
| spellingShingle | Adina Arshad Muhammad Abdul Muqtadir Qureshi Muhammad Abdullah Masood Hafiz Shahbaz Zahoor Ayesha Nazakat Anfal Fatima Javed Iqbal Comparative efficacy of sodium oxybate versus placebo on improvement of nighttime sleep in adult patients with narcolepsy: A systematic review and meta-analysis Sleep Medicine: X |
| title | Comparative efficacy of sodium oxybate versus placebo on improvement of nighttime sleep in adult patients with narcolepsy: A systematic review and meta-analysis |
| title_full | Comparative efficacy of sodium oxybate versus placebo on improvement of nighttime sleep in adult patients with narcolepsy: A systematic review and meta-analysis |
| title_fullStr | Comparative efficacy of sodium oxybate versus placebo on improvement of nighttime sleep in adult patients with narcolepsy: A systematic review and meta-analysis |
| title_full_unstemmed | Comparative efficacy of sodium oxybate versus placebo on improvement of nighttime sleep in adult patients with narcolepsy: A systematic review and meta-analysis |
| title_short | Comparative efficacy of sodium oxybate versus placebo on improvement of nighttime sleep in adult patients with narcolepsy: A systematic review and meta-analysis |
| title_sort | comparative efficacy of sodium oxybate versus placebo on improvement of nighttime sleep in adult patients with narcolepsy a systematic review and meta analysis |
| url | http://www.sciencedirect.com/science/article/pii/S259014272400034X |
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