Research Article

Safety Evaluation in Healthy Colombian Volunteers of P2Et Extract Obtained from Caesalpinia spinosa: Design 3+3 Phase I Clinical Trial

Table 3

Effects of P2Et extract on biochemical and hematological parameters in rabbits following 28 days of administration.

Parameters and reference valuesGroup value
Test (N = 5)Control (N = 6)

Kidney functionUrea (13.0 to 52.0 mg/dL)42.32 ± 11.9143.68 ± 6.980.66
Creatinine (0.80 to 1.80 mg/dL)1.34 ± 0.461.19 ± 0.330.91
Sodium (138.0 to 148.0 mmol/L)142.48 ± 1.18144.35 ± 3.760.93
Potassium (3.3 to 6.9 mmol/L)4.81 ± 0.464.78 ± 0.470.55
Chloride (92.0 to 112.0 mmol/L)99.64 ± 2.5598.38 ± 4.560.58
Calcium (5.6 to 12.0 mg/dL)12.86 ± 0.3212.88 ± 0.410.93

Liver functionALT (31 to 60 U/L)162.00 ± 111.60108.17 ± 21.210.62
Phosphatase (90 to 145 U/L)145.00 ± 32.52137.33 ± 44.530.50
AST (42.0 to 98.0 U/L)103.80 ± 95.0595.50 ± 53.780.65
GGT (4 to 12 U/L)6.20 ± 2.496.00 ± 1.670.81
Bilirubin (0.30 to 0.80 mg/dL)0.44 ± 0.070.53 ± 0.100.23
Cholesterol (35 to 60 mg/dL)44.00 ± 0.0043.67 ± 0.520.26
Triglycerides (124 to 156 mg/dL)108.34 ± 75.8176.17 ± 37.280.81

ErythrogramErythrocytes (5.1 to 7.9 millions/mm3)6.06 ± 0.636.06 ± 0.750.76
Hemoglobin (10.0 to 17.4 g/dL)13.36 ± 1.0512.98 ± 1.130.45
Hematocrit (33.0 to 50.0%)42.16 ± 2.7440.80 ± 3.050.88
MVC (57.8 to 66.5 u3)64.94 ± 2.4067.83 ± 5.950.87
MHC (17,1 to 23,5 pg)20.54 ± 0.6721.55 ± 1.450.49
MCHC (29,0 to 37,0 g/dL)31.68 ± 1.0431.85 ± 2.070.33
Total protein (5.4 to 8.5 g/dL)5.92 ± 0.336.10 ± 0.450.38

LeukogramLeukocytes (5.2 to 12.5 thousands/mm3)4.48 ± 1.155.95 ± 2.010.33
Neutrophil (20 to 75%)55.60 ± 17.1063.67 ± 7.890.46
Eosinophil (1 to 4%)0.00 ± 0.000.17 ± 0.410.19
Lymphocytes (30 to 85%)41.80 ± 18.0533.00 ± 8.150.30
Monocytes (1 to 4%)2.60 ± 1.143.17 ± 1.470.11
Platelets (250 to 650 thousands/mm3)418.60 ± 102.50473.67 ± 76.620.52

CoagulogramPT (7.2 to 7.8 seconds)7.44 ± 0.327.35 ± 0.260.44
PTT (35 seconds)21.38 ± 1.0922.73 ± 2.230.38

N: number of animals in the group, data expressed as mean ± standard deviation. Statistically significant difference  < 0.05.