char = G;code = 71
char = i;code = 105
char = n;code = 110
char = k;code = 107
char = g;code = 103
char = o;code = 111
char = ;code = 32
char = b;code = 98
char = i;code = 105
char = l;code = 108
char = o;code = 111
char = b;code = 98
char = a;code = 97
char = :;code = 58
char = ;code = 32
char = e;code = 101
char = v;code = 118
char = a;code = 97
char = l;code = 108
char = u;code = 117
char = a;code = 97
char = t;code = 116
char = i;code = 105
char = o;code = 111
char = n;code = 110
char = ;code = 32
char = o;code = 111
char = f;code = 102
char = ;code = 32
char = C;code = 67
char = Y;code = 89
char = P;code = 80
char = 2;code = 50
char = C;code = 67
char = 9;code = 57
char = ;code = 32
char = d;code = 100
char = r;code = 114
char = u;code = 117
char = g;code = 103
char = ;code = 32
char = i;code = 105
char = n;code = 110
char = t;code = 116
char = e;code = 101
char = r;code = 114
char = a;code = 97
char = c;code = 99
char = t;code = 116
char = i;code = 105
char = o;code = 111
char = n;code = 110
char = s;code = 115
char = ;code = 32
char = i;code = 105
char = n;code = 110
char = ;code = 32
char = v;code = 118
char = i;code = 105
char = t;code = 116
char = r;code = 114
char = o;code = 111
char = ;code = 32
char = a;code = 97
char = n;code = 110
char = d;code = 100
char = ;code = 32
char = i;code = 105
char = n;code = 110
char = ;code = 32
char = v;code = 118
char = i;code = 105
char = v;code = 118
char = o;code = 111
char = .;code = 46
result sql = Ginkgo biloba: evaluation of CYP2C9 drug interactions in vitro and in vivo.
Ginkgo biloba: evaluation of CYP2C9 drug interactions in vitro and in vivo.
char = G;code = 71
char = i;code = 105
char = n;code = 110
char = k;code = 107
char = g;code = 103
char = o;code = 111
char = ;code = 32
char = b;code = 98
char = i;code = 105
char = l;code = 108
char = o;code = 111
char = b;code = 98
char = a;code = 97
char = ;code = 32
char = e;code = 101
char = x;code = 120
char = t;code = 116
char = r;code = 114
char = a;code = 97
char = c;code = 99
char = t;code = 116
char = ;code = 32
char = i;code = 105
char = s;code = 115
char = ;code = 32
char = o;code = 111
char = n;code = 110
char = e;code = 101
char = ;code = 32
char = o;code = 111
char = f;code = 102
char = ;code = 32
char = t;code = 116
char = h;code = 104
char = e;code = 101
char = ;code = 32
char = m;code = 109
char = o;code = 111
char = s;code = 115
char = t;code = 116
char = ;code = 32
char = w;code = 119
char = i;code = 105
char = d;code = 100
char = e;code = 101
char = l;code = 108
char = y;code = 121
char = ;code = 32
char = u;code = 117
char = s;code = 115
char = e;code = 101
char = d;code = 100
char = ;code = 32
char = h;code = 104
char = e;code = 101
char = r;code = 114
char = b;code = 98
char = a;code = 97
char = l;code = 108
char = ;code = 32
char = p;code = 112
char = r;code = 114
char = o;code = 111
char = d;code = 100
char = u;code = 117
char = c;code = 99
char = t;code = 116
char = s;code = 115
char = ;code = 32
char = i;code = 105
char = n;code = 110
char = ;code = 32
char = t;code = 116
char = h;code = 104
char = e;code = 101
char = ;code = 32
char = U;code = 85
char = n;code = 110
char = i;code = 105
char = t;code = 116
char = e;code = 101
char = d;code = 100
char = ;code = 32
char = S;code = 83
char = t;code = 116
char = a;code = 97
char = t;code = 116
char = e;code = 101
char = s;code = 115
char = .;code = 46
char = ;code = 32
char = H;code = 72
char = o;code = 111
char = w;code = 119
char = e;code = 101
char = v;code = 118
char = e;code = 101
char = r;code = 114
char = ,;code = 44
char = ;code = 32
char = b;code = 98
char = l;code = 108
char = e;code = 101
char = e;code = 101
char = d;code = 100
char = i;code = 105
char = n;code = 110
char = g;code = 103
char = ;code = 32
char = e;code = 101
char = p;code = 112
char = i;code = 105
char = s;code = 115
char = o;code = 111
char = d;code = 100
char = e;code = 101
char = s;code = 115
char = ;code = 32
char = i;code = 105
char = n;code = 110
char = ;code = 32
char = p;code = 112
char = a;code = 97
char = t;code = 116
char = i;code = 105
char = e;code = 101
char = n;code = 110
char = t;code = 116
char = s;code = 115
char = ;code = 32
char = t;code = 116
char = a;code = 97
char = k;code = 107
char = i;code = 105
char = n;code = 110
char = g;code = 103
char = ;code = 32
char = G;code = 71
char = i;code = 105
char = n;code = 110
char = k;code = 107
char = g;code = 103
char = o;code = 111
char = ;code = 32
char = b;code = 98
char = i;code = 105
char = l;code = 108
char = o;code = 111
char = b;code = 98
char = a;code = 97
char = ;code = 32
char = a;code = 97
char = n;code = 110
char = d;code = 100
char = ;code = 32
char = w;code = 119
char = a;code = 97
char = r;code = 114
char = f;code = 102
char = a;code = 97
char = r;code = 114
char = i;code = 105
char = n;code = 110
char = ;code = 32
char = h;code = 104
char = a;code = 97
char = v;code = 118
char = e;code = 101
char = ;code = 32
char = b;code = 98
char = e;code = 101
char = e;code = 101
char = n;code = 110
char = ;code = 32
char = d;code = 100
char = o;code = 111
char = c;code = 99
char = u;code = 117
char = m;code = 109
char = e;code = 101
char = n;code = 110
char = t;code = 116
char = e;code = 101
char = d;code = 100
char = .;code = 46
char = ;code = 32
char = T;code = 84
char = h;code = 104
char = e;code = 101
char = r;code = 114
char = e;code = 101
char = f;code = 102
char = o;code = 111
char = r;code = 114
char = e;code = 101
char = ,;code = 44
char = ;code = 32
char = i;code = 105
char = n;code = 110
char = ;code = 32
char = v;code = 118
char = i;code = 105
char = t;code = 116
char = r;code = 114
char = o;code = 111
char = ;code = 32
char = a;code = 97
char = n;code = 110
char = d;code = 100
char = ;code = 32
char = i;code = 105
char = n;code = 110
char = ;code = 32
char = v;code = 118
char = i;code = 105
char = v;code = 118
char = o;code = 111
char = ;code = 32
char = i;code = 105
char = n;code = 110
char = h;code = 104
char = i;code = 105
char = b;code = 98
char = i;code = 105
char = t;code = 116
char = i;code = 105
char = o;code = 111
char = n;code = 110
char = ;code = 32
char = s;code = 115
char = t;code = 116
char = u;code = 117
char = d;code = 100
char = i;code = 105
char = e;code = 101
char = s;code = 115
char = ;code = 32
char = w;code = 119
char = e;code = 101
char = r;code = 114
char = e;code = 101
char = ;code = 32
char = d;code = 100
char = o;code = 111
char = n;code = 110
char = e;code = 101
char = ;code = 32
char = t;code = 116
char = o;code = 111
char = ;code = 32
char = a;code = 97
char = s;code = 115
char = c;code = 99
char = e;code = 101
char = r;code = 114
char = t;code = 116
char = a;code = 97
char = i;code = 105
char = n;code = 110
char = ;code = 32
char = t;code = 116
char = h;code = 104
char = e;code = 101
char = ;code = 32
char = i;code = 105
char = n;code = 110
char = f;code = 102
char = l;code = 108
char = u;code = 117
char = e;code = 101
char = n;code = 110
char = c;code = 99
char = e;code = 101
char = ;code = 32
char = o;code = 111
char = f;code = 102
char = ;code = 32
char = g;code = 103
char = i;code = 105
char = n;code = 110
char = k;code = 107
char = g;code = 103
char = o;code = 111
char = ;code = 32
char = o;code = 111
char = n;code = 110
char = ;code = 32
char = C;code = 67
char = Y;code = 89
char = P;code = 80
char = 2;code = 50
char = C;code = 67
char = 9;code = 57
char = ,;code = 44
char = ;code = 32
char = t;code = 116
char = h;code = 104
char = e;code = 101
char = ;code = 32
char = P;code = 80
char = -;code = 45
char = 4;code = 52
char = 5;code = 53
char = 0;code = 48
char = ;code = 32
char = i;code = 105
char = s;code = 115
char = o;code = 111
char = z;code = 122
char = y;code = 121
char = m;code = 109
char = e;code = 101
char = ;code = 32
char = r;code = 114
char = e;code = 101
char = s;code = 115
char = p;code = 112
char = o;code = 111
char = n;code = 110
char = s;code = 115
char = i;code = 105
char = b;code = 98
char = l;code = 108
char = e;code = 101
char = ;code = 32
char = f;code = 102
char = o;code = 111
char = r;code = 114
char = ;code = 32
char = t;code = 116
char = h;code = 104
char = e;code = 101
char = ;code = 32
char = m;code = 109
char = e;code = 101
char = t;code = 116
char = a;code = 97
char = b;code = 98
char = o;code = 111
char = l;code = 108
char = i;code = 105
char = s;code = 115
char = m;code = 109
char = ;code = 32
char = o;code = 111
char = f;code = 102
char = ;code = 32
char = t;code = 116
char = h;code = 104
char = e;code = 101
char = ;code = 32
char = m;code = 109
char = o;code = 111
char = s;code = 115
char = t;code = 116
char = ;code = 32
char = p;code = 112
char = o;code = 111
char = t;code = 116
char = e;code = 101
char = n;code = 110
char = t;code = 116
char = ;code = 32
char = w;code = 119
char = a;code = 97
char = r;code = 114
char = f;code = 102
char = a;code = 97
char = r;code = 114
char = i;code = 105
char = n;code = 110
char = ;code = 32
char = e;code = 101
char = n;code = 110
char = a;code = 97
char = n;code = 110
char = t;code = 116
char = i;code = 105
char = o;code = 111
char = m;code = 109
char = e;code = 101
char = r;code = 114
char = ,;code = 44
char = ;code = 32
char = (;code = 40
char = S;code = 83
char = );code = 41
char = -;code = 45
char = w;code = 119
char = a;code = 97
char = r;code = 114
char = f;code = 102
char = a;code = 97
char = r;code = 114
char = i;code = 105
char = n;code = 110
char = .;code = 46
char = ;code = 32
char = G;code = 71
char = i;code = 105
char = n;code = 110
char = k;code = 107
char = g;code = 103
char = o;code = 111
char = ;code = 32
char = e;code = 101
char = x;code = 120
char = t;code = 116
char = r;code = 114
char = a;code = 97
char = c;code = 99
char = t;code = 116
char = ;code = 32
char = i;code = 105
char = n;code = 110
char = h;code = 104
char = i;code = 105
char = b;code = 98
char = i;code = 105
char = t;code = 116
char = e;code = 101
char = d;code = 100
char = ;code = 32
char = h;code = 104
char = u;code = 117
char = m;code = 109
char = a;code = 97
char = n;code = 110
char = ;code = 32
char = l;code = 108
char = i;code = 105
char = v;code = 118
char = e;code = 101
char = r;code = 114
char = ;code = 32
char = m;code = 109
char = i;code = 105
char = c;code = 99
char = r;code = 114
char = o;code = 111
char = s;code = 115
char = o;code = 111
char = m;code = 109
char = a;code = 97
char = l;code = 108
char = ;code = 32
char = C;code = 67
char = Y;code = 89
char = P;code = 80
char = 2;code = 50
char = C;code = 67
char = 9;code = 57
char = ;code = 32
char = w;code = 119
char = i;code = 105
char = t;code = 116
char = h;code = 104
char = ;code = 32
char = a;code = 97
char = n;code = 110
char = ;code = 32
char = a;code = 97
char = p;code = 112
char = p;code = 112
char = a;code = 97
char = r;code = 114
char = e;code = 101
char = n;code = 110
char = t;code = 116
char = ;code = 32
char = K;code = 75
char = i;code = 105
char = =;code = 61
char = 1;code = 49
char = 4;code = 52
char = .;code = 46
char = 8;code = 56
char = ;code = 32
char = m;code = 109
char = i;code = 105
char = c;code = 99
char = r;code = 114
char = o;code = 111
char = g;code = 103
char = /;code = 47
char = m;code = 109
char = L;code = 76
char = ,;code = 44
char = ;code = 32
char = a;code = 97
char = n;code = 110
char = d;code = 100
char = ;code = 32
char = t;code = 116
char = h;code = 104
char = e;code = 101
char = ;code = 32
char = i;code = 105
char = n;code = 110
char = h;code = 104
char = i;code = 105
char = b;code = 98
char = i;code = 105
char = t;code = 116
char = i;code = 105
char = o;code = 111
char = n;code = 110
char = ;code = 32
char = w;code = 119
char = a;code = 97
char = s;code = 115
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char = i;code = 105
char = n;code = 110
char = c;code = 99
char = r;code = 114
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char = a;code = 97
char = s;code = 115
char = e;code = 101
char = d;code = 100
char = ;code = 32
char = b;code = 98
char = y;code = 121
char = ;code = 32
char = a;code = 97
char = c;code = 99
char = i;code = 105
char = d;code = 100
char = ;code = 32
char = h;code = 104
char = y;code = 121
char = d;code = 100
char = r;code = 114
char = o;code = 111
char = l;code = 108
char = y;code = 121
char = s;code = 115
char = i;code = 105
char = s;code = 115
char = ;code = 32
char = (;code = 40
char = a;code = 97
char = p;code = 112
char = p;code = 112
char = a;code = 97
char = r;code = 114
char = e;code = 101
char = n;code = 110
char = t;code = 116
char = ;code = 32
char = K;code = 75
char = i;code = 105
char = =;code = 61
char = 9;code = 57
char = .;code = 46
char = 1;code = 49
char = ;code = 32
char = m;code = 109
char = i;code = 105
char = c;code = 99
char = r;code = 114
char = o;code = 111
char = g;code = 103
char = /;code = 47
char = m;code = 109
char = L;code = 76
char = );code = 41
char = .;code = 46
char = ;code = 32
char = T;code = 84
char = w;code = 119
char = o;code = 111
char = ;code = 32
char = o;code = 111
char = p;code = 112
char = e;code = 101
char = n;code = 110
char = -;code = 45
char = l;code = 108
char = a;code = 97
char = b;code = 98
char = e;code = 101
char = l;code = 108
char = ,;code = 44
char = ;code = 32
char = c;code = 99
char = r;code = 114
char = o;code = 111
char = s;code = 115
char = s;code = 115
char = o;code = 111
char = v;code = 118
char = e;code = 101
char = r;code = 114
char = ;code = 32
char = p;code = 112
char = h;code = 104
char = a;code = 97
char = r;code = 114
char = m;code = 109
char = a;code = 97
char = c;code = 99
char = o;code = 111
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char = i;code = 105
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char = e;code = 101
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char = i;code = 105
char = c;code = 99
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char = u;code = 117
char = d;code = 100
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char = i;code = 105
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char = h;code = 104
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char = h;code = 104
char = y;code = 121
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char = b;code = 98
char = j;code = 106
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char = e;code = 101
char = r;code = 114
char = f;code = 102
char = o;code = 111
char = r;code = 114
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char = e;code = 101
char = d;code = 100
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char = u;code = 117
char = s;code = 115
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char = g;code = 103
char = ;code = 32
char = t;code = 116
char = o;code = 111
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char = b;code = 98
char = u;code = 117
char = t;code = 116
char = a;code = 97
char = m;code = 109
char = i;code = 105
char = d;code = 100
char = e;code = 101
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char = a;code = 97
char = n;code = 110
char = d;code = 100
char = ;code = 32
char = d;code = 100
char = i;code = 105
char = c;code = 99
char = l;code = 108
char = o;code = 111
char = f;code = 102
char = e;code = 101
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char = a;code = 97
char = c;code = 99
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char = a;code = 97
char = s;code = 115
char = ;code = 32
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char = r;code = 114
char = o;code = 111
char = b;code = 98
char = e;code = 101
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char = C;code = 67
char = Y;code = 89
char = P;code = 80
char = 2;code = 50
char = C;code = 67
char = 9;code = 57
char = ;code = 32
char = s;code = 115
char = u;code = 117
char = b;code = 98
char = s;code = 115
char = t;code = 116
char = r;code = 114
char = a;code = 97
char = t;code = 116
char = e;code = 101
char = s;code = 115
char = .;code = 46
char = ;code = 32
char = I;code = 73
char = n;code = 110
char = ;code = 32
char = c;code = 99
char = o;code = 111
char = n;code = 110
char = t;code = 116
char = r;code = 114
char = a;code = 97
char = s;code = 115
char = t;code = 116
char = ;code = 32
char = t;code = 116
char = o;code = 111
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char = t;code = 116
char = h;code = 104
char = e;code = 101
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char = i;code = 105
char = n;code = 110
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char = v;code = 118
char = i;code = 105
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char = i;code = 105
char = b;code = 98
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char = o;code = 111
char = f;code = 102
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char = C;code = 67
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char = P;code = 80
char = 2;code = 50
char = C;code = 67
char = 9;code = 57
char = ,;code = 44
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char = o;code = 111
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char = i;code = 105
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char = b;code = 98
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char = e;code = 101
char = e;code = 101
char = n;code = 110
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char = G;code = 71
char = i;code = 105
char = n;code = 110
char = k;code = 107
char = g;code = 103
char = o;code = 111
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char = b;code = 98
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char = l;code = 108
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char = a;code = 97
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char = d;code = 100
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char = C;code = 67
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char = r;code = 114
char = a;code = 97
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char = e;code = 101
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char = ;code = 32
char = w;code = 119
char = e;code = 101
char = r;code = 114
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result sql = Ginkgo biloba extract is one of the most widely used herbal products in the United States. However, bleeding episodes in patients taking Ginkgo biloba and warfarin have been documented. Therefore, in vitro and in vivo inhibition studies were done to ascertain the influence of ginkgo on CYP2C9, the P-450 isozyme responsible for the metabolism of the most potent warfarin enantiomer, (S)-warfarin. Ginkgo extract inhibited human liver microsomal CYP2C9 with an apparent Ki=14.8 microg/mL, and the inhibition was increased by acid hydrolysis (apparent Ki=9.1 microg/mL). Two open-label, crossover pharmacokinetic studies in healthy subjects were performed using tolbutamide and diclofenac as probe CYP2C9 substrates. In contrast to the in vitro inhibition of CYP2C9, no interactions between Ginkgo biloba extract and CYP2C9 probe substrates were observed in vivo as evidenced by the lack of effect on the steady-state pharmacokinetics of diclofenac or on the urinary metabolic ratio of tolbutamide.

Publication: Am J Ther 2006 Jan-Feb ;13(1)::24-31.
Publication Date: 2006 Jan-Feb
Study Author(s): Mohutsky, Michael A;Anderson, Gail D;Miller, John W;Elmer, Gary W;
Institution: Department of Medicinal Chemistry, University of Washington, Seattle, Washington 98195, USA.
Shortcut link to this study:
Ginkgo biloba extract is one of the most widely used herbal products in the United States. However, bleeding episodes in patients taking Ginkgo biloba and warfarin have been documented. Therefore, in vitro and in vivo inhibition studies were done to ascertain the influence of ginkgo on CYP2C9, the P-450 isozyme responsible for the metabolism of the most potent warfarin enantiomer, (S)-warfarin. Ginkgo extract inhibited human liver microsomal CYP2C9 with an apparent Ki=14.8 microg/mL, and the inhibition was increased by acid hydrolysis (apparent Ki=9.1 microg/mL). Two open-label, crossover pharmacokinetic studies in healthy subjects were performed using tolbutamide and diclofenac as probe CYP2C9 substrates. In contrast to the in vitro inhibition of CYP2C9, no interactions between Ginkgo biloba extract and CYP2C9 probe substrates were observed in vivo as evidenced by the lack of effect on the steady-state pharmacokinetics of diclofenac or on the urinary metabolic ratio of tolbutamide.
PMID: 16428919

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