cns penetration effectiveness
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Author(s):  
Gilles Force ◽  
Idir Ghout ◽  
Jacques Ropers ◽  
Guislaine Carcelain ◽  
Dhiba Marigot-Outtandy ◽  
...  

Abstract Objectives Despite the effectiveness of antiretroviral (ARV) therapy to control HIV infection, HIV-associated neurocognitive disorders (HAND) remain frequent. The Neuro+3 study assessed the cognitive improvement associated with ARV intensification based on increased CNS penetration effectiveness (CPE) scoring ≥+3 and total CPE score ≥9. Methods Thirty-one patients, aged 18–65 years, with confirmed diagnosis of HAND and effective ARV therapy were included. The cognitive improvement was measured using Frascati three-stage classification and global deficit score (GDS) after 48 and 96 weeks of ARV intensification. Ultrasensitive HIV-RNA, neopterin, soluble CD14, CCL2, CXCL10, IL6, IL8 and NF-L were measured in plasma and cerebrospinal fluid at Day 0 (baseline), Week 48 (W48) and W96. Results The intensified ARV was associated with a median (IQR) CPE score increase from 6 (4–7) at baseline to 10 (9–11). From baseline to W96, the median (IQR) GDS decreased from 1.4 (0.8–2.2) to 1.0 (0.6–2.0) (P = 0.009); HAND classification improved from 2 to 1 HIV-associated dementia, 22 to 8 mild neurocognitive disorders, 7 to 17 asymptomatic neurocognitive impairment and 0 to 5 patients without any neurocognitive alterations (P = 0.001). In multivariable linear regression analysis, GDS improvement at W96 was significantly associated with CPE score ≥9 after intensification (P = 0.014), CD4 lymphocyte increase at W48 (P < 0.001) and plasma CXCL10 decrease at W96 (P = 0.001). Conclusions In patients with HAND, a significant cognitive improvement was observed after the ARV intensification strategy, with a higher CPE score. Cognitive improvement was more often observed in the case of a switch of two drug classes, arguing for better control of CNS HIV immune activation.


Author(s):  
Rodrigo Hasbun ◽  
Richard Dunham ◽  
Rituparna Das ◽  
Karen Nunez-Wallace ◽  
Lydia J. Sharp ◽  
...  

Discuss the clinical features, differential diagnosis, and management of HIV-associated neurocognitive disorders. • CD8+ T cell encephalitis has been described as a severe form of HIV-associated neurocognitive disorder (HAND). • The central nervous system (CNS) penetration effectiveness score has been correlated with cerebrospinal fluid (CSF) viral escape....


Neurology ◽  
2011 ◽  
Vol 76 (7) ◽  
pp. 644-651 ◽  
Author(s):  
E. Lanoy ◽  
M. Guiguet ◽  
M. Bentata ◽  
E. Rouveix ◽  
C. Dhiver ◽  
...  

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