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Petra Mäkelä

Researcher at University of London

Publications -  22
Citations -  1421

Petra Mäkelä is an academic researcher from University of London. The author has contributed to research in topics: Health care & Narrative. The author has an hindex of 9, co-authored 19 publications receiving 1247 citations. Previous affiliations of Petra Mäkelä include University of Cambridge & University of Oxford.

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Do cannabis-based medicinal extracts have general or specific effects on symptoms in multiple sclerosis? A double-blind, randomized, placebo-controlled study on 160 patients

TL;DR: Spasticity VAS scores were significantly reduced by CBME (Sativex) in comparison with placebo (P- 0.001), there were no significant adverse effects on cognition or mood and intoxication was generally mild.
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A preliminary controlled study to determine whether whole-plant cannabis extracts can improve intractable neurogenic symptoms

TL;DR: Cannabis medicinal extracts can improve neurogenic symptoms unresponsive to standard treatments, and unwanted effects are predictable and generally well tolerated.
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Long-term use of a cannabis-based medicine in the treatment of spasticity and other symptoms in multiple sclerosis.

TL;DR: It is concluded that long-term use of an oromucosal CBM (Sativex) maintains its effect in those patients who perceive initial benefit, and the precise nature and rate of risks with long- term use, especially epilepsy, will require larger and longer-term studies.
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Low doses of delta-9 tetrahydrocannabinol (THC) have divergent effects on short-term spatial memory in young, healthy adults.

TL;DR: The results suggest that THC has relatively complex effects on spatial memory in human subjects, perhaps reflecting altered CB1 receptor activity within frontotemporal circuits or altered activity of mesocortical dopaminergic pathways in PFC areas associated with spatial memory.