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Bulletin of the National Research Centre
Fig. 7 | Bulletin of the National Research Centre

Fig. 7

From: A detailed review of pathophysiology, epidemiology, cellular and molecular pathways involved in the development and prognosis of Parkinson's disease with insights into screening models

Fig. 7

Clinical trial phases and treatment plans for treating PD. The relative contribution of phase I, phase II, and phase III trials to the total is depicted in (A) using a pie chart. In Clinical trials. gov, the phase I or phase II trials, respectively, are displayed. B A pie chart showing the percentages of every therapeutic approach to all the clinical trials for PD (Masato et al. 2019; Millichap et al. 2021; Clinical Research 2021; Merkow et al. 2020; Merchant et al. 2019; Ivanova 2020; Mullin et al. 2020; Parker et al. 2020; Barker 2019; Ghosh et al. 2021; Asemi-Rad et al. 2022; Desai et al. 2021; Bryson 2020)

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