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. 2025 Sep 11;390:e084290. doi: 10.1136/bmj-2025-084290

Table 3.

Other treatment related adverse events

Event* Methylcobalamin group (n=117) Placebo group (n=117) P value for difference in any grade†
Any grade Grade 3-4 Any grade Grade 3-4
Any 88 (75.2) 12 (10.3) 95 (81.2) 18 (15.4) 0.27
Lymphopenia 46 (39.3) 10 (8.5) 55 (47.0) 13 (11.1) 0.23
Leukopenia 35 (29.9) 4 (3.4) 35 (29.9) 3 (2.6) 1.00
Anaemia 33 (28.2) 0 36 (30.8) 0 0.67
Neutropenia 33 (28.2) 3 (2.6) 33 (28.2) 6 (5.1) 1.00
ALT increased 25 (21.4) 0 20 (17.1) 0 0.41
ALP increased 23 (19.7) 0 18 (15.4) 0 0.39
AST increased 20 (17.1) 0 24 (20.5) 0 0.50
Platelet count decreased 20 (17.1) 0 25 (21.4) 1 (0.9) 0.41
Diarrhoea 18 (15.4) 0 15 (12.8) 0 0.57
Stomatitis 17 (14.5) 1 (0.9) 12 (10.3) 0 0.32
Bilirubin level increased 15 (12.8) 0 20 (17.1) 0 0.36
Fatigue 12 (10.3) 0 13 (11.1) 0 0.83
Nausea 8 (6.8) 0 12 (10.3) 0 0.35
Creatinine increased 4 (3.4) 0 3 (2.6) 0 0.70
Vomiting 3 (2.6) 0 6 (5.1) 0 0.31

Data are numbers (%).

ALP=alkaline phosphatase; ALT=alanine aminotransferase; AST=aspartate aminotransferase.

*

Each patient was counted once for highest grade of each adverse event that occurred.

From Pearson’s χ2 test.