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Table 3 Effectiveness of a single oral dose of Credelio Plus against natural nematode infections in dogs presenting to European veterinary clinics

From: Field study to investigate the effectiveness and safety of a novel orally administered combination drug product containing milbemycin oxime and lotilaner (Credelio® Plus) against natural intestinal nematode infections in dogs presented as veterinary patients in Europe

NNematode species

Samplea

Treatment groupb

Number of dogs

Egg count per gram faeces

Geometric Mean (GM)

GM % reduction

Number of dogs with zero eggs (%)

Effectiveness P-valuec

All nematode species

Pre-treatment

Credelio Plus

Afoxolaner + MO

278

117

13.2

11.2

Post-treatment

Credelio Plus

Afoxolaner + MO

278

117

0.3

0.3

97.6

97.0

245 (88.2%)

99 (84.6%)

 < 0.0001 (t524 = 24.33)

 < 0.0001 (t524 = 14.65)

Toxocara canis

Pre-treatment

Credelio Plus

Afoxolaner + MO

54

19

16.4

8.0

Post-treatment

Credelio Plus

Afoxolaner + MO

54

19

0.5

0.4

97.2

95.3

48 (88.9%)

16 (84.2%)

 < 0.0001 (t79.3 = 4.36)

 < 0.0001 (t79.3 = 9.70)

Ancylostoma caninum

Pre-treatment

Credelio Plus

Afoxolaner + MO

109

42

11.2

9.9

Post-treatment

Credelio Plus

Afoxolaner + MO

109

42

0.2

0.5

98.1

95.3

100 (91.7%)

35 (83.3%)

 < 0.0001 (t185 = 9.28)

 < 0.0001 (t185 = 17.19)

Trichuris vulpis

Pre-treatment

Credelio Plus

Afoxolaner + MO

176

80

9.8

9.7

Post-treatment

Credelio Plus

Afoxolaner + MO

176

80

0.2

0.1

97.8

98.5

156 (88.6%)

73 (91.2%)

 < 0.0001 (t340 = 12.79)

 < 0.0001 (t340 = 18.57)

  1. MO milbemycin oxime
  2. aPre-treatment sample collected once on Day 0; post-treatment sample collected on Day 8 (range 7–10)
  3. bSingle oral administration of Credelio Plus on Day 0 to provide a dose range of 0.75–1.56 mg/kg bodyweight MO and 20.0–41.5 mg/kg bodyweight lotilaner. Single oral dose of Nexgard Spectra on Day 0 to provide a dose range of 2.50–5.36 mg/kg bodyweight of afoxolaner and 0.50–1.07 mg/kg bodyweight of MO
  4. cEffectiveness P-value is the P-value for the within-treatment difference in least-square means