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Table 9 Participants with ocular Mazzotti reactions starting within 1 Month of treatment by severity and treatment among participants with both eyes evaluated

From: Onchocerca volvulus microfilariae in the anterior chambers of the eye and ocular adverse events after a single dose of 8 mg moxidectin or 150 µg/kg ivermectin: results of a randomized double-blind Phase 3 trial in the Democratic Republic of the Congo, Ghana and Liberia

Mazzotti sign/symptom

Grade

Moxidectin

N = 973

Ivermectin

N = 490

  

n

%

n

%

Eye pruritus

1

35

3.6

7

1.4

 

2

8

0.8

4

0.8

 

3

21

0.2

1

0.2

Conjunctivitis

1

382

3.9

14

2.9

 

2

2

0.2

  
 

3

1

0.10

1

0.2

Eye pain

1

25

2.6

8

1.6

 

2

4

0.4

  

Eyelid oedema

1

18

1.8

5

1.0

 

2

2

0.2

 

0.0

Blurred vision

1

3

0.3

2

0.4

 

2

  

1

0.2

Ocular discomfort

1

8

0.8

43

0.8

 

2

1

0.1

1

0.2

Tearing/watery eyes

1

64

0.6

55

1.0

 

2

14

0.1

2

0.4

Photophobia

1

2

0.2

1

0.2

Peripheral sensory phenomena

1

1

0.1

2

0.4

Visual acuity6

1

1

0.1

  
  1. 1Moxidectin treatment: One participant had eye pruritus grade 3 starting 1 day after treatment which lessened to grade 2 on day 2 and resolved 2 days later. One participant had eye pruritus grade 3 starting on the day of treatment which resolved 2 days later
  2. 2 Moxidectin treatment: One participant had conjunctivitis grade 1 starting on the day of treatment, which worsened to grade 3 on the day after treatment before resolving 3 days later
  3. 3Ivermectin treatment: One participant had ocular discomfort grade 1 starting on the day of treatment which resolved the next day, reappeared on Day 3 and resolved the next day
  4. 4Moxidectin treatment: One participant had watery eyes starting on the day of treatment which resolved 2 days later and reappeared on Day 11 to resolved 6 days later. One participant had grade 2 watery eyes starting on the day of treatment which resolved the next day and experienced grade 1 watery eyes starting 8 days after treatment which resolved 43 days later
  5. 5Ivermectin treatment: One participant had eye pruritus grade 3 starting on the day of treatment which resolved 2 days later
  6. 6Moxidectin treatment: One participant complained about ‘reduced vision’ starting on Day 2 after treatment which resolved on Day 3 after treatment