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. 2020 Mar 6;20(9):1–92.

Table 5:

Adverse Events with 5-ALA in Comparison to Standard Care

Systematic Review Author, Year Number of Included Studies Adverse Outcome 5-ALA (%) Standard Care (%)
Jenkinson et al, 201845 1 Overall adverse events 58.7 57.8
Neurological adverse events 42.8 44.5
Grades III and IVa 7 5.2
Significant neurological adverse eventsb 12.4 11.6
Deterioration in NIH Stroke Scale compared to baseline—48 hours 26.2 14.5
Deterioration in NIH Stroke Scale compared to baseline—7 days 20.5 10.7
Deterioration in NIH Stroke Scale compared to baseline—6 weeks 17.1 11.3
Deterioration in NIH Stroke Scale compared to baseline—3 months 19.6 18.6

Abbreviations: 5-ALA, 5-aminolevulinic acid hydrochloride; NIH, National Institutes of Health.

a

According to the Common Toxicity Criteria (data obtained from the primary Stummer et al article for further clarification).50

b

Defined as aphasia, convulsions, grand mal seizure, hemiparesis, intracranial hypertension and stupor (data obtained from the primary Stummer et al50 article for further clarification)