Table 2 Related grade 1 and 2 AEs using MedDRA terminology during the immunization phase Days −2 to +42).

From: Heterologous protection against malaria by a simple chemoattenuated PfSPZ vaccine regimen in a randomized trial

System organ class

Preferred term

Vaccine (N = 13)

Placebo (N = 7)

Blood and lymphatic system disorders

Lymphopenia

[1] 1 (7.7%)

#Total

[1] 1 (7.7%)

Cardiac disorders

Tachycardia

[2] 2 (15.4%)

#Total

[2] 2 (15.4%)

Gastrointestinal and abdominal pains (excl. oral and throat)

Abdominal pain

[1] 1 (7.7%)

[2] 1 (14.3%)

#Total

[1] 1 (7.7%)

[2] 1 (14.3%)

Gastrointestinal disorders

Diarrhea

[2] 2 (15.4%)

[1] 1 (14.3%)

Nausea

[7] 6 (46.2%)

[3] 2 (28.6%)

#Total

[9] 7 (53.8%)

[4] 3 (42.9%)

General disorders and administration site conditions

Chills

[3] 3 (23.1%)

[1] 1 (14.3%)

Fatigue

[16] 9 (69.2%)

[3] 3 (42.9%)

Hyperhidrosis

[4] 4 (30·8%)

Malaise

[4] 3 (23.1%)

Pyrexia

[8] 5 (38.5%)

[1] 1 (14.3%)

#Total

[35] 10 (76.9%)

[5] 3 (42.9%)

Infections and infestations

Oral herpes

[1] 1 (14.3%)

#Total

[1] 1 (14.3%)

Musculoskeletal and connective tissue disorders

Back pain

[1] 1 (7.7%)

Myalgia

[5] 4 (30.8%)

[1] 1 (14.3%)

#Total

[6] 4 (30.8%)

[1] 1 (14.3%)

Nervous system disorders

Dizziness

[15] 7 (53.8%)

[4] 2 (28.6%)

Headache

[35] 12 (92.3%)

[8] 4 (57.1%)

Paresthesia

[1] 1 (7.7%)

Vision blurred

[3] 2 (15.4%)

#Total

[54] 12 (92.3%)

[12] 5 (71.4%)

Psychiatric disorders

Depersonalization/derealization disorder

[1] 1 (14.3%)

#Total

[1] 1 (14.3%)

Respiratory, thoracic, and mediastinal disorders

Tachypnoea

[1] 1 (7.7%)

#Total

[1] 1 (7.7%)

  1. In square brackets: number of events; number of patients with events; in brackets: percentage of patients with event.
  2. No differences were statistically significant (p > 0.10, Fisher’s exact test, two-sided for all).