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Table 3 Rcts included in the meta-analysis of cortex

From: Effect of cannabinoids on glutamate levels in the human brain: a systematic review and meta-analysis

Article

Imaging Modality and Parameters

OUTCOMES

REPORTED CONCLUSIONS

Glx

Glu

Glx/Cre

Glu/Cre

Colizzi et al. 2020

1H-MRS 3 T

Voxel: ACC (20 × 20x20 mm3)

PRESS spectra analysed using LCModel v6.3 - 1L

 

THC did not affect glutamate levels (Glx, Glu, Glx/Cre) in the ACC

Mason et al. 2019

1H-MRS 7 T

Voxel: ACC (25 × 20x17 mm3)

STEAM spectra analysed using LCModel v6.3 - 1H

   

THC did not affect Glu/Cre in the ACC

Pretzsch et al. 2019a

1H-MRS 3 T

Voxel: DMPFC (25 × 40x30 mm3)

MEGA-PRESS spectra analysed using LCModel v6.3 - 1L

   

CBD decreased Glx level in the dmpfc

Pretzsch et al. 2019b

1H-MRS 3 T

Voxel: DMPFC Midline (25 × 40x30 mm3)

MEGA-PRESS spectra analysed using LCModel v6.3 - 1L

   

CBDV has no effect on Glx in the dmpfc

Van boxel et al. 2023

1H-MRS 3 T

Voxel:Pre-forntal cortex (40 × 30x20 mm3)

MEGA-PRESS spectra analysed using LCModel V6.3 - 0 A

  

CBD did not significantly affect glutamate levels (Glx,Glu) in the prefrontal cortex