Extended Data Table 4 Grade 3/4 adverse events of special interest

From: Peri-operative atezolizumab in early-stage triple-negative breast cancer: final results and ctDNA analyses from the randomized phase 3 IMpassion031 trial

Patients, n (%)

Neoadjuvant phase

Overall

Atezolizumab + CT (n = 164)

Placebo + CT (n = 167)

Atezolizumab + CT (n = 164)

Placebo + CT (n = 167)

Hepatitis (diagnosis and laboratory abnormalities)

16 (10)

13 (8)

17 (10)

13 (8)

 Hepatitis (diagnosis)

1 (1)

0

1 (1)

0

 Hepatitis (laboratory abnormalities)

15 (9)

13 (8)

16 (10)

13 (8)

Rash

6 (4)

6 (4)

6 (4)

6 (4)

Colitis

1 (1)

0

2 (1)

0

Infusion-related reaction

1 (1)

1 (1)

1 (1)

1 (1)

Pneumonitis

1 (1)

0

1 (1)

1 (1)

Meningoencephalitis

1 (1)

0

1 (1)

0

Myositis

1 (1)

0

1 (1)

0

Autoimmune hemolytic anemia

1 (1)

0

1 (1)

0

Pancreatitis

0

0

1 (1)

0

Guillain–Barré syndrome

0

1 (1)

0

1 (1)

Hypothyroidism

0

0

0

0

Hyperthyroidism

0

0

0

0

Adrenal insufficiency

0

0

0

0

Diabetes

0

0

0

0

Ocular inflammatory toxicity

0

0

0

0

Severe cutaneous reactions

0

0

0

0