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Table 2 Adverse events (n = 71) during a median follow up of 36 months of TG therapy

From: Efficacy, safety and drug survival of thioguanine as maintenance treatment for inflammatory bowel disease: a retrospective multi-centre study in the United Kingdom

 

Grade 1 (mild)

(n = 59)

Grade 2 (moderate)

(n = 9)

Grade 3 (severe)

(n = 3)

General, neurological and psychological

Flu-like symptoms

7

–

 

–

 

Blood, lymphatic and vascular disorders

Bone marrow suppression

12

Bone-marrow suppression

2

–

 

Musculoskeletal and skin disorders

Alopecia

5

–

 

–

 

Rash

9

Arthralgia/myalgia

8

Hepatobiliary disorders

DILI

9

DILI

3

Portal hypertension

2

Gastrointestinal disorders

Nausea

5

Diarrhea

1

Pancreatitis

1

Abdominal pain

4

Infections and infestations

–

 

EBV infection

1

Herpetic eye infection

1

Neoplasm benign and malign

–

 

Melanoma

1

Diffuse large B-cell lymphoma

1

Recurrent breast cancer

1

  1. DILI Drug-induced liver injury, DILI grade 1 is defined as alanine aminotransferase (ALT) and aspartate aminotransferase (AST) > 1.25 and ≤ 3 upper limit of normal (ULN) and total bilirubin > 1.25 and ≤ 2 ULN, grade 2 is defined as ALT and AST > 3 and ≤ 5 ULN and total bilirubin > 2 and ≤ 3 ULN. Bone marrow suppression: grade 1 < =25% reduction from normal cellularity for age, grade 2: > 25 - < 50% reduction from normal cellularity for age, grade 3: > 50 - < =75% reduction cellularity from normal for age