Joy Das,
Utpal Bhui,
Soumyadip Nayak,
Rahul Bishayee,
Udita Dutta,
Poulomi Mishra,
Radheshyam Pal,
Pratibha Bhowmick,
Mithun Bhowmick,
- Research scholar, Department of Pharmacology, School of Pharmaceutical Sciences, Lovely Professional University, Phagwara, Punjab, India
- Research scholar, Department of Pharmacology, School of Pharmaceutical Sciences, Lovely Professional University, Phagwara, West Bengal, India
- Research scholar, Department of Pharmacology, School of Pharmaceutical Sciences, Lovely Professional University, Phagwara, Punjab, India
- Research scholar, Department of Pharmacology, School of Pharmaceutical Sciences, Lovely Professional University, Phagwara, Punjab, India
- Research scholar, Department of Pharmaceutical Chemistry, Amrita School of Pharmacy, Amrita Vishwa Vidyapeetham, Kerala, India
- Assistant Professor, Department of Pharmacology, Pandaveswar School of Pharmacy, Pandaveswar, West Bengal, India
- Assistant Professor, Department of Pharmaceutical Sciences, Bengal College of Pharmaceutical Sciences & Research, Durgapur, West Bengal, India
- Professor, Department of Pharmaceutical Sciences, Bengal College of Pharmaceutical Sciences & Research, Durgapur, West Bengal, India
- Professor, Department of Pharmaceutical Sciences, Bengal College of Pharmaceutical Sciences & Research, Durgapur, West Bengal, India
Abstract
Background: Recent studies have suggested Rasagiline and Safinamide monotherapy as potential management options for Parkinson’s disease. Parkinson’s disease, a neurological disorder characterized by tremors and movement difficulties, necessitates treatments aimed at managing clinical symptoms. Levodopa remains the primary effective treatment for Parkinson’s disease symptoms; however, its long-term use often leads to motor complications in many patients. Additional therapeutic drugs, such as dopamine agonists and monoamine oxidase B inhibitors, including Safinamide and Rasagiline, have proven beneficial in enhancing levodopa therapy to better control motor symptoms. Studies have indicated that Safinamide significantly reduces motor fluctuations without exacerbating troublesome dyskinesia due to its dual mechanism. These offer distinct advantages for Parkinson’s disease patients with fluctuating symptoms compared to placebo or other medications. Transitioning from Rasagiline to Safinamide has been shown to improve the “ON-OFF” effect, where Parkinsonism symptoms worsen predictably as the effect of a levodopa dose fades. Safinamide might reduce the overall daily need for levodopa, enhance periods of improved symptoms (“ON” time), and potentially periods of worsened symptoms (‘OFF’ time), and potentially prove more effective than the other MAO-B inhibitors. This meta-analysis and systematic review aim to investigate the comparative efficacy and safety of Safinamide and Rasagiline among patients with motor complications as a viable and beneficial strategy to optimize antiparkinsonian medication. Objective: The objective of this study is to systematically evaluate and compare the clinical efficacy and safety profiles of Safinamide and Rasagiline as adjunct therapies for Parkinson’s disease among patients experiencing motor complications. Specifically, the study aims to investigate the effectiveness of Safinamide and Rasagiline in reducing motor fluctuations, improving overall motor symptoms, enhancing ‘ON’ time, reducing ‘OFF’ time, and potentially minimizing the need for levodopa dosage adjustments. Additionally, the study seeks to assess the safety profiles of both medications, including the incidence of adverse events and their impact on potential tolerability and quality of life. The evaluation will be conducted using standardized measures, such as the Unified Parkinson’s Disease Rating Scale Part III and the clinical global impression of severity (CGIS) score levels, providing objective assessments of motor symptoms severity and overall disease severity, respectively. Ultimately, the research aims to provide valuable insights into the optimal pharmacotherapeutics strategies for managing motor complications in Parkinson’s disease, thereby contributing to the optimization of antiparkinsonian medication regimen. Methodology: To identify relevant studies, we conducted a comprehensive computerized literature search covering Pubmed, Google Scholar, Embase, ScienceDirect, Scopus, and Embase up to 2023. We concentrated our efforts on randomized controlled trials that directly compared the efficacy and safety of Safinamide and Rasagiline against placebo groups. Our primary outcomes of interest include assessing alterations in UPDRS II, UPDRS III, and CGIS scores, alongside monitoring the incidence of adverse events. We employed mean difference (MD), standardized mean difference (SMD), and risk ratio (RR), and calculated 95% confidence intervals (CI) to quantify the effect sizes and their statistical significance. Additionally, to assess the degree of heterogeneity across studies, we utilized the I2 test. Results: Our analysis revealed significant improvements in the Safinamide group compared to the placebo group across various measures. Firstly, the MD of changes in “UPDRS II” favored the Safinamide group, with a value of 0.71 (95% CI ranging from –1.04 to –0.37). Moreover, examining changes in “UPDRS III”, we observed a similar trend. The overall MD of changes in UPDRS III favored the Safinamide group, with a value of –1.83 (95% CI ranging from –2.43 to –1.23). Similarly, when evaluating the changes in CGIS scores, the overall MD was –0.18 (95% CI = –0.24 to –0.12). On the other hand, a meta-analysis on Rasagiline concentrated on patients administered a daily dosage of 1 mg. Rasagiline exhibited significant improvements in “UPDRS II” and “UPDRS III” scores compared to the placebo group. However, notable heterogeneity among the studies was evident, with an I2 value exceeding 70%. Importantly, neither Safinamide nor Rasagiline showed an increased relative risk (RR) for any serious adverse events, or adverse events leading to withdrawal when compared to placebo. Upon concluding this analysis, it’s clear that Safinamide appears as a more favorable choice for patients with Parkinson’s disease when compared to Rasagiline. Conclusion: In conclusion, MAO-B inhibitors have proven to be valuable therapeutic options for managing PD. Rasagiline, for instance, has demonstrated its efficacy in reducing “off” time and increasing “on” time without any troublesome dyskinesia in PD patients experiencing fluctuations in symptoms. Moreover, clinical trials have underscored Rasagiline tolerability and low incidence of cognitive and behavioral AEs, solidifying its position as a valuable treatment choice for PD. On the other hand, Safinamide emerges as a compelling long-term adjunctive therapy alongside levodopa in PD patients.
Keywords: Parkinson’s disease, movement disorder, safinamide, rasagiline, UPDRS, CGIS, MAO-B inhibitors, dopamine agonist, motor fluctuations
[This article belongs to Research & Reviews: A Journal of Pharmacology ]
Joy Das, Utpal Bhui, Soumyadip Nayak, Rahul Bishayee, Udita Dutta, Poulomi Mishra, Radheshyam Pal, Pratibha Bhowmick, Mithun Bhowmick. Comparative Efficacy and Safety of Safinamide and Rasagiline in the Treatment of Parkinson’s Disease: A Meta-Analysis and Systematic Review. Research & Reviews: A Journal of Pharmacology. 2024; 14(03):74-91.
Joy Das, Utpal Bhui, Soumyadip Nayak, Rahul Bishayee, Udita Dutta, Poulomi Mishra, Radheshyam Pal, Pratibha Bhowmick, Mithun Bhowmick. Comparative Efficacy and Safety of Safinamide and Rasagiline in the Treatment of Parkinson’s Disease: A Meta-Analysis and Systematic Review. Research & Reviews: A Journal of Pharmacology. 2024; 14(03):74-91. Available from: https://journals.stmjournals.com/rrjop/article=2024/view=191790
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Research and Reviews: A Journal of Pharmacology
| Volume | 14 |
| Issue | 03 |
| Received | 26/09/2024 |
| Accepted | 13/11/2024 |
| Published | 31/12/2024 |
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