| Robert R. Fenichel |
| Sort by class/drug/model/receptor | Sort by potency (relative to IKr) | Sort by receptor/drug/model |
| Sort by receptor/potency | Sort by receptor/model | Return to QT top level |
| Drug | Class | Model | Receptor | IC50 (µM) | Relative Potency (IKr/X) | Ref | Comment |
|---|---|---|---|---|---|---|---|
| alfuzosin | alpha1-blocker | HERG/CHO | IKr | 83.3 | --- | 92 | |
| almokalant | antiarrhythmic | rabbit VM | IKr | 0.005 | --- | 38 | |
| amiodarone | antiarrhythmic | rat VM | ICaL | 5.8 | 93 | ||
| amiodarone | antiarrhythmic | rabbit VM | IK1 | 50 | 29 | ||
| amiodarone | antiarrhythmic | guinea-pig AM | IKAch | 2 | 24 | ||
| amiodarone | antiarrhythmic | guinea-pig VM | IKNa | 1 | 23 | ||
| amiodarone | antiarrhythmic | AT-1 | IKr | 0.7 | --- | 129 | |
| amiodarone | antiarrhythmic | AT-1 | IKr | 1 | --- | 130 | |
| amiodarone | antiarrhythmic | HERG/L | IKr | 1 | --- | 130 | |
| amiodarone | antiarrhythmic | rabbit VM | IKr | 2.8 | --- | 64 | |
| amiodarone | antiarrhythmic | rabbit VM | IKr | 10 | --- | 21 | |
| amiodarone | antiarrhythmic | HERG/XO | IKr | 10 | --- | 73 | |
| amiodarone | antiarrhythmic | rat VM | Ito | 4.9 | 22 | ||
| amiodarone | antiarrhythmic | rabbit VM | Ito | >10 | 21 | ||
| amitriptyline | antidepressant | HERG/CHO | IKr | >3 | --- | 112 | |
| amitriptyline | antidepressant | HERG/CHO | IKr | 10 | --- | 114 | |
| amitriptyline | antidepressant | rat neuron | IKr | 10 | --- | 125 | |
| amlodipine | dihydropyridine | AT-1 | IKr | 1 | --- | 130 | |
| amlodipine | dihydropyridine | AT-1 | IKr | 3 | 129 | ||
| aprinidine | antiarrhythmic | HERG/COS | IKr | 0.23 | --- | 59 | |
| aprinidine | antiarrhythmic | COS | IKs | >10 | 59 | ||
| astemizole | antihistamine | GP cerebellum | H1 | 0.052 | 58 | 27 | |
| astemizole | antihistamine | GP LM | H1 | 0.079 | 88 | 74 | |
| astemizole | antihistamine | GP LM | H1 | 0.3 | 333 | 63 | |
| astemizole | antihistamine | guinea-pig VM | IK1 | >10 | 31 | ||
| astemizole | antihistamine | HERG/HEK | IKr | 0.0009 | --- | 138 | |
| astemizole | antihistamine | guinea-pig VM | IKr | 0.0015 | --- | 101 | |
| astemizole | antihistamine | HERG/HEK | IKr | 0.022 | --- | 46 | at 37°C |
| astemizole | antihistamine | HERG/XO | IKr | 0.048 | --- | 110 | |
| astemizole | antihistamine | HERG/XO | IKr | 0.069 | --- | 40 | |
| astemizole | antihistamine | HERG/XO | IKr | 0.33 | --- | 111 | |
| astemizole | antihistamine | IKs | >10 | 101 | 10uM = IC0.3 | ||
| astemizole | antihistamine | XO | IKs | >60 | 110 | ||
| astemizole | antihistamine | XO | IKv1.1 | >60 | 110 | ||
| astemizole | antihistamine | XO | IRK1 | >60 | 110 | ||
| astemizole | antihistamine | guinea-pig VM | Ito | >10 | 31 | ||
| astemizole | antihistamine | Ito | >10 | 30 | 10uM = IC23 | ||
| desmethylastemizole | antihistamine | GP LM | H1 | 0.2 | 10 | 63 | |
| desmethylastemizole | antihistamine | HERG/HEK | IKr | 0.001 | --- | 138 | |
| norastemizole | antihistamine | HERG/HEK | IKr | 0.028 | --- | 138 | |
| atropine | anticholinergic | IKr | 0.558 | --- | 76 | ||
| azimilide | antiarrhythmic | GP VM | ICaL | >10 | 54 | ||
| azimilide | antiarrhythmic | GP VM | IK1 | >10 | 54 | ||
| azimilide | antiarrhythmic | GP VM | IKr | 0.4 | --- | 54 | |
| azimilide | antiarrhythmic | HERG/XO | IKr | 1.4 | --- | 34 | |
| azimilide | antiarrhythmic | GP VM | IKs | 3 | 54 | ||
| bepridil | antianginal | guinea-pig VM | ICaL | 0.5 | 134 | ||
| bepridil | antianginal | guinea-pig AM | ICaL | 1.55 | 57 | ||
| bepridil | antianginal | sheep PF | IK1 | >1.8 | 28 | ||
| bepridil | antianginal | HERG/COS | IKr | 0.55 | --- | 42 | |
| bepridil | antianginal | IKs/COS | IKs | 10 | 42 | ||
| bepridil | antianginal | guinea-pig AM | INa | 4.43 | 57 | ||
| bepridil | antianginal | guinea-pig VM | INa | 30 | 134 | ||
| bepridil | antianginal | sheep PF | Ito | <30 | 28 | ||
| buprenorphine | opiate | HERG/HEK | IKr | 7.5 | --- | 71 | |
| captopril | ACE inhibitor | AT-1 | IKr | 10 | --- | 129 | |
| carvedilol | beta-blocker | HERG/XO | IKr | 10.42 | --- | 69 | |
| cetirizine | antihistamine | GP cerebellum | H1 | 0.47 | 0.004 | 27 | |
| cetirizine | antihistamine | rabbit VM | IK1 | >1000 | 37 | ||
| cetirizine | antihistamine | HERG/XO | IKr | >30 | --- | 111 | |
| cetirizine | antihistamine | rabbit VM | IKr | 108 | --- | 37 | |
| cetirizine | antihistamine | rabbit VM | IKs | >1000 | 37 | 1mM = IC44 | |
| chlorpheniramine | antihistamine | GP LM | H1 | 0.002 | 0.001 | 74 | |
| chlorpheniramine | antihistamine | IK1 | >10 | 101 | 10uM=IC0.6 | ||
| chlorpheniramine | antihistamine | IKr | 1.1 | --- | 101 | ||
| chlorpheniramine | antihistamine | GP VM | IKr | 1.6 | --- | 102 | |
| chlorpheniramine | antihistamine | HERG/XO | IKr | 21 | --- | 110 | |
| chlorpheniramine | antihistamine | IKs | >10 | 101 | 10uM = IC9.7 | ||
| chlorpromazine | antipsychotic | HERG/CHO | IKr | 1.47 | --- | 114 | |
| ciprofloxacin | antibiotic/quinolone | HERG/CHO | IKr | >100 | --- | 33 | -40 mV |
| ciprofloxacin | antibiotic/quinolone | HERG/CHO | IKr | 966 | --- | 66 | |
| cisapride | prokinetic | various | 5HT4 | 0.023-0.031 | 0.5 | 89 | |
| cisapride | prokinetic | HERG/HEK | IKr | 0.0065 | --- | 91 | different lab |
| cisapride | prokinetic | rabbit VM | IKr | 0.009 | --- | 36 | |
| cisapride | prokinetic | guinea-pig VM | IKr | 0.015 | --- | 48 | |
| cisapride | prokinetic | HERG/CHO | IKr | 0.016 | --- | 123 | at 20-22°C |
| cisapride | prokinetic | HERG/CHO | IKr | 0.024 | --- | 123 | at 37°C |
| cisapride | prokinetic | HERG/HEK | IKr | 0.044 | --- | 95 | |
| cisapride | prokinetic | HERG | IKr | 0.044 | --- | 76 | at 32-37°C |
| cisapride | prokinetic | IKs | 3.39 | 76 | at 32-37°C | ||
| cisapride | prokinetic | guinea-pig VM | IKs | >10 | 48 | ||
| cisapride | prokinetic | IKv1.5 | 21.2 | 76 | at 32-37°C | ||
| cisapride | prokinetic | Ito | 9.33 | 76 | at 32-37°C | ||
| clarithromycin | antibiotic/macrolide | HERG/CHO | IKr | 20 | --- | 2 | +MiRP1 |
| clarithromycin | antibiotic/macrolide | HERG/CHO | IKr | 59 | --- | 2 | WT |
| clobutinol | antitussive | IKr | 2.9 | --- | 26 | ||
| clofilium | antiarrhythmic | AT-1 | IKr | 1.25 | --- | 32 | |
| clotrimazole | antifungal | GP VM | ICaL | <25 | 113 | 5=IC16, 25 = IC59 | |
| clozapine | antipsychotic | human AM | IK1 | >100 | 46 | ||
| clozapine | antipsychotic | HERG/HEK | IKr | 0.191 | --- | 46 | at 37°C |
| clozapine | antipsychotic | human AM | INa | 29.0 | 46 | ||
| clozapine | antipsychotic | human AM | Isus | >100 | 46 | ||
| clozapine | antipsychotic | human AM | Ito | 50-100 | 46 | ||
| cocaine | local anesthetic | HERG/HEK | IKr | 7.2 | --- | 135 | |
| codeine | opiate | HERG/HEK | IKr | > 300 | --- | 71 | |
| cromakalim | chromanol deriv | GP VM | IKr | >20 | --- | 58 | |
| cromakalim | chromanol deriv | IKs/COS | IKs | >10 | 85 | ||
| cromakalim | chromanol deriv | GP VM | IKs | >20 | 58 | ||
| cyproheptadine | antihistamine | GP cerebellum | H1 | 0.003 | 27 | ||
| diltiazem | calcium antagonist | HERG/COS | IKr | >10 | --- | 42 | |
| diltiazem | calcium antagonist | HERG/HEK | IKr | 17.3 | --- | 136 | |
| diltiazem | calcium antagonist | IKs/COS | IKs | >10 | 42 | ||
| diphenhydramine | antihistamine | GP LM | H1 | 0.042 | 0.038 | 74 | |
| diphenhydramine | antihistamine | GP VM | IKr | 0.03 | --- | 72 | |
| diphenhydramine | antihistamine | GP VM | IKr | 1.1 | --- | 102 | |
| diphenhydramine | antihistamine | HERG/XO | IKr | 27 | --- | 110 | |
| disopyramide | antiarrhythmic | rabbit VM | IKr | 1.8 | --- | 120 | |
| disopyramide | antiarrhythmic | AT-1 | IKr | 58 | --- | 98 | |
| disopyramide | antiarrhythmic | AT-1 | IKr | 60-100 | --- | 130 | |
| disopyramide | antiarrhythmic | HERG/L | IKr | 92 | 129 | ||
| disopyramide | antiarrhythmic | INa | 28 | 132 | |||
| disopyramide | antiarrhythmic | rabbit VM | Ito | 14 | 120 | ||
| dofetilide | antiarrhythmic | GP VM | IK1 | >1 | 61 | ||
| dofetilide | antiarrhythmic | rabbit VM | IKr | 0.0039 | --- | 39 | |
| dofetilide | antiarrhythmic | HERG/HEK | IKr | 0.0095 | --- | 94 | |
| dofetilide | antiarrhythmic | HERG/L | IKr | 0.0095 | --- | 94 | |
| dofetilide | antiarrhythmic | AT-1 | IKr | 0.011 | --- | 129 | |
| dofetilide | antiarrhythmic | AT-1 | IKr | 0.012 | --- | 131 | |
| dofetilide | antiarrhythmic | HERG/HEK | IKr | 0.012 | --- | 105 | |
| dofetilide | antiarrhythmic | HERG-HEK | IKr | 0.015 | --- | 95 | |
| dofetilide | antiarrhythmic | HERG/L | IKr | 0.015 | --- | 129 | |
| dofetilide | antiarrhythmic | HERG | IKr | 0.015 | --- | 76 | at 22°C |
| dofetilide | antiarrhythmic | GP VM | IKr | 0.032 | --- | 61 | |
| dofetilide | antiarrhythmic | HL-1 | IKr | 0.047 | --- | 43 | |
| dofetilide | antiarrhythmic | mouse heart | IKr | 0.054 | --- | 81 | |
| dofetilide | antiarrhythmic | HERG/XO | IKr | 0.125 | --- | 80 | |
| dofetilide | antiarrhythmic | GP VM | IKs | >100 | 61 | ||
| dofetilide | antiarrhythmic | HEK-293 | IKv1.5 | >10 | 94 | ||
| doxazosin | alpha1-blocker | HERG/CHO | IKr | 2.5 | --- | 92 | |
| E-4031 | antiarrhythmic | HERG/HEK | IKr | 0.0077 | --- | 137 | |
| E-4031 | antiarrhythmic | ferret heart | IKr | 0.0103 | --- | 83 | |
| E-4031 | antiarrhythmic | HERG/XO | IKr | 0.38 | --- | 2 | +MiRP1 |
| E-4031 | antiarrhythmic | GP VM | IKr | 0.397 | --- | 103 | |
| E-4031 | antiarrhythmic | GP VM | IKr | <5 | --- | 99 | |
| E-4031 | antiarrhythmic | HERG/XO | IKr | 0.588 | --- | 116 | |
| E-4031 | antiarrhythmic | HERG/XO | IKr | 1.25 | --- | 2 | WT |
| E-4031 | antiarrhythmic | HERG/XO | IKr | 1.4 | --- | 34 | different lab |
| ebastine | antihistamine | GP LM | H1 | 0.27 | 1.9 | 74 | |
| ebastine | antihistamine | rat VM | IK1 | >3 | 75 | ||
| ebastine | antihistamine | guinea-pig VM | IKr | 0.14 | --- | 75 | |
| ebastine | antihistamine | guinea-pig VM | IKs | 2 | 75 | ||
| ebastine | antihistamine | IKv1.5 | >1 | 20 | 1uM = IC6.5 | ||
| ebastine | antihistamine | rat VM | Ito | >3 | 75 | ||
| EDDP | opiate | HERG/HEK | IKr | >50 | --- | 71 | methadone metabolite |
| encainide | antiarrhythmic | feline VM | IKr | 6 | --- | 55 | |
| epinastine | antihistamine | HERG/XO | IKr | >100 | --- | 40 | |
| erythromycin | antibiotic/macrolide | AT-1 | IKr | 54.6 | --- | 127 | |
| erythromycin | antibiotic/macrolide | GP VM | IKr | >100 | --- | 47 | |
| erythromycin | antibiotic/macrolide | IKr | 387 | --- | 76 | at 32-37°C | |
| erythromycin | antibiotic/macrolide | Ito | 606 | 76 | at 32-37°C | ||
| erythromycin | antibiotic/macrolide | S. pneumoniae | MIC | 1.36 | <0.014 | 68 | |
| fentanyl | opiate | HERG/HEK | IKr | 1.8 | --- | 71 | |
| fexofenadine | antihistamine | GP LM | H1 | 0.26 | 0.024 | 74 | |
| fexofenadine | antihistamine | feline VM | IKr | >5 | --- | 126 | |
| fexofenadine | antihistamine | IKr | >10 | 96 | |||
| fexofenadine | antihistamine | HERG | IKr | 13.1 | --- | 76 | at 32-37°C |
| fexofenadine | antihistamine | HERG/HEK | IKr | 21.57 | --- | 46 | at 37°C |
| fexofenadine | antihistamine | HERG/XO | IKr | >500 | --- | 100 | |
| fexofenadine | antihistamine | IKs | 20.4 | 76 | at 32-37°C | ||
| fexofenadine | antihistamine | IKv1.5 | >50 | 128 | |||
| fexofenadine | antihistamine | feline VM | IKv1.5 | 214 | 96 | ||
| fexofenadine | antihistamine | IKv1.5 | 389 | 76 | at 32-37°C | ||
| fexofenadine | antihistamine | XO | IKv1.5 | >500 | 100 | ||
| fexofenadine | antihistamine | Ito | 112 | 76 | at 32-37°C | ||
| flecainide | antiarrhythmic | feline VM | IKr | 2.2 | --- | 55 | |
| gatifloxacin | antibiotic/quinolone | AT-1 | IKr | 26.5 | --- | 4 | |
| gatifloxacin | antibiotic/quinolone | HERG/CHO | IKr | 130 | --- | 66 | |
| glibenclamide | sulfonylurea | neuroblastoma | IKr | 74.8 | --- | 99 | |
| glibenclamide | sulfonylurea | GP VM | IKr | <100 | --- | 99 | |
| grepafloxacin | antibiotic/quinolone | AT-1 | IKr | 27.2 | --- | 4 | |
| grepafloxacin | antibiotic/quinolone | HERG/CHO | IKr | 27.5 | --- | 33 | -40 mV |
| grepafloxacin | antibiotic/quinolone | HERG/CHO | IKr | 50 | --- | 66 | |
| haloperidol | antipsychotic | human AM | IK1 | >100 | 46 | ||
| haloperidol | antipsychotic | HERG/HEK | IKr | 0.0281 | --- | 46 | at 37°C |
| haloperidol | antipsychotic | HERG/XO | IKr | 1 | --- | 108 | |
| haloperidol | antipsychotic | human AM | INa | 14.4 | 46 | ||
| haloperidol | antipsychotic | human AM | Isus | 10-100 | 46 | ||
| haloperidol | antipsychotic | human AM | Ito | 10-100 | 46 | ||
| hesperetin | flavonoid | HERG/XO | IKr | 288.8 | --- | 139 | |
| ibutilide | antiarrhythmic | HERG/L | IKr | 0.015 | --- | 129 | |
| ibutilide | antiarrhythmic | AT-1 | IKr | 0.02 | --- | 131 | |
| imipramine | antidepressant | HERG/CHO | IKr | 3.4 | --- | 112 | |
| indapamide | diuretic | GP VM | IKs | 196 | 117 | ||
| ketanserin | serotonin antagonist | guinea-pig VM | IKr | >32 | --- | 79 | |
| ketanserin | serotonin antagonist | rabbit VM | Ito | 2.25 | 78 | ||
| ketoconazole | antifungal | feline VM | IKr | 2.5 | --- | 41 | |
| ketoconazole | antifungal | HERG/XO | IKr | 49 | --- | 51 | |
| ketoconazole | antifungal | XO | IKv1.5 | 107 | 51 | ||
| ketoconazole | antifungal | feline VM | Ito | 10 | 41 | ||
| LAAM | opiate | HERG/HEK | IKr | 2.2 | --- | 71 | |
| levofloxacin | antibiotic/quinolone | HERG/CHO | IKr | 915 | --- | 66 | |
| lopinavir | antiviral | HERG/HEK | IKr | 8.6 | --- | 5 | |
| loratidine | antihistamine | GP cerebellum | H1 | 1 | 0.3 | 27 | |
| loratidine | antihistamine | HERG/HEK | IK1 | >1 | 45 | ||
| loratidine | antihistamine | rat VM | IK1 | >10 | 50 | ||
| loratidine | antihistamine | HERG/HEK | IKr | 0.173 | --- | 45 | |
| loratidine | antihistamine | IKr | >1 | --- | 50 | 1uM = IC5 | |
| loratidine | antihistamine | HERG/XO | IKr | 100 | --- | 111 | |
| loratidine | antihistamine | IKs | <10 | 50 | 10uM = IC58 | ||
| loratidine | antihistamine | guinea-pig VM | IKs | <25 | 50 | ||
| loratidine | antihistamine | HEK 293 | IKv1.5 | 0.8 | 77 | ||
| loratidine | antihistamine | IKv1.5 | 1.2 | 19 | |||
| loratidine | antihistamine | HERG/HEK | Isus | >1 | 45 | ||
| loratidine | antihistamine | HERG/HEK | Ito | >1 | 45 | ||
| loratidine | antihistamine | rat VM | Ito | 2.6 | 50 | ||
| loratidine | antihistamine | Ito | >10 | 50 | 10uM = IC12 | ||
| DC-loratidine | antihistamine | HERG/HEK | IKr | 1.82 | --- | 46 | at 37°C |
| LY97241 | antiarrhythmic | HERG/XO | IKr | 0.15 | --- | 109 | |
| meperidine | opiate | HERG/HEK | IKr | 75 | --- | 71 | |
| methadone | opiate | HERG/HEK | IKr | 9.8 | --- | 71 | |
| methadone | opiate | HERG/HEK | IKr | 10 | --- | 70 | |
| mexiletine | antiarrhythmic | rat VM | ICaL | 5.8 | --- | 93 | |
| mibefradil | calcium antagonist | guinea pig | ICaL | 0.2 | 52 | -50 mV | |
| mibefradil | calcium antagonist | guinea pig | ICaL | 12 | 52 | -80 mV | |
| mibefradil | calcium antagonist | ICaL | 18.6 | 88 | |||
| mibefradil | calcium antagonist | ICaT | 2.7 | 88 | |||
| mibefradil | calcium antagonist | AT-1 | IKr | 0.4-0.8 | --- | 130 | |
| mibefradil | calcium antagonist | AT-1 | IKr | 0.75 | --- | 98 | |
| mibefradil | calcium antagonist | HERG/COS | IKr | 1.43 | --- | 42 | |
| mibefradil | calcium antagonist | IKs/COS | IKs | 11.8 | 42 | ||
| mizolastine | antihistamine | HERG/HEK | IKr | 0.441 | --- | 46 | at 37°C |
| MK-499 | antiarrhythmic | HERG/XO | IKr | 0.123 | --- | 106 | |
| MK-499 | antiarrhythmic | guinea-pig VM | IKr | 0.4 | --- | 54 | |
| morin | flavonoid | HERG/XO | IKr | 111.4 | --- | 139 | |
| morphine | opiate | HERG/HEK | IKr | > 1000 | --- | 71 | |
| moxifloxacin | antibiotic/quinolone | AT-1 | IKr | 0.75 | --- | 4 | |
| moxifloxacin | antibiotic/quinolone | HERG/CHO | IKr | 1 | --- | 97 | -40 mV |
| moxifloxacin | antibiotic/quinolone | HERG/CHO | IKr | 41.2 | --- | 33 | -40 mV |
| moxifloxacin | antibiotic/quinolone | HERG/CHO | IKr | 129 | --- | 66 | |
| naringenin | flavonoid | HERK/HEK | IKr | 36.5 | --- | 139 | 13.8% @ 1 uM |
| naringenin | flavonoid | HERG/XO | IKr | 102.3 | --- | 139 | |
| nelfinavir | antiviral | HERG/HEK | IKr | 11.5 | --- | 5 | |
| nifedipine | dihydropyridine | HERG/HEK | IKr | >50 | --- | 136 | |
| nitrendipine | dihydropyridine | HERG/COS | IKr | >10 | --- | 42 | |
| nitrendipine | dihydropyridine | IKs/COS | IKs | >10 | 42 | ||
| nitrendipine | dihydropyridine | rat VM | INa | 3 | 133 | ||
| ofloxacin | antibiotic/quinolone | HERG/CHO | IKr | 1420 | --- | 66 | |
| olanzipine | antipsychotic | human AM | IK1 | >>100 | 46 | ||
| olanzipine | antipsychotic | HERG/HEK | IKr | 0.181 | --- | 46 | at 37°C |
| olanzipine | antipsychotic | human AM | INa | >100 | 46 | ||
| olanzipine | antipsychotic | human AM | Isus | >100 | 46 | ||
| olanzipine | antipsychotic | human AM | Ito | >100 | 46 | ||
| OPC-18790 | inotrope | AT-1 | IKr | 0.96 | --- | 129 | |
| perhexiline | antianginal | HERG/CHO | IKr | 7.8 | --- | 124 | |
| pimozide | antipsychotic | rat brain | 5HT2 | 0.031 | 1.7 | 44 | |
| pimozide | antipsychotic | human AM | IK1 | >100 | 46 | ||
| pimozide | antipsychotic | HERG | IKr | 0.018 | --- | 65 | |
| pimozide | antipsychotic | HERG/HEK | IKr | 0.0497 | --- | 46 | at 37°C |
| pimozide | antipsychotic | HERG | IKs | >10 | 65 | ||
| pimozide | antipsychotic | HERG | IKv1.5 | >10 | 65 | ||
| pimozide | antipsychotic | human AM | INa | 21.9 | 46 | ||
| pimozide | antipsychotic | human AM | Isus | >>100 | 46 | ||
| pimozide | antipsychotic | human AM | Ito | >>100 | 46 | ||
| prazosin | alpha1-blocker | HERG/CHO | IKr | 3.4 | --- | 92 | |
| procainamide | antiarrhythmic | AT-1 | IKr | 380 | --- | 130 | |
| N-acetylprocainamide | antiarrhythmic | AT-1 | IKr | 92 | --- | 98 | |
| propranolol | beta blocker | AT-1 | IKr | 15 | --- | 127 | |
| pyrilamine | antihistamine | GP cerebellum | H1 | 0.006 | 0.005 | 27 | |
| pyrilamine | antihistamine | IK1 | >10 | 101 | 10uM = IC1.3 | ||
| pyrilamine | antihistamine | guinea-pig VM | IKr | 1.1 | --- | 102 | |
| pyrilamine | antihistamine | IKr | 1.1 | --- | 101 | ||
| pyrilamine | antihistamine | IKs | >10 | 101 | 10uM = IC16 | ||
| quinidine | antiarrhythmic | feline VM | IKr | 0.18 | --- | 126 | |
| quinidine | antiarrhythmic | HERG/L | IKr | 0.3 | --- | 130 | |
| quinidine | antiarrhythmic | AT-1 | IKr | 1 | --- | 130 | |
| quinidine | antiarrhythmic | HERG/XO | IKr | 8 | --- | 80 | |
| ranolazine | antianginal | canine VM | ICaL(late) | 50 | 4.2 | 6 | |
| ranolazine | antianginal | canine VM | ICaL(peak) | 296 | 49 | 6 | |
| ranolazine | antianginal | canine VM | IK1 | >100 | 140 | ||
| ranolazine | antianginal | canine VM | IKr | 11.5 | --- | 140 | |
| ranolazine | antianginal | canine VM | IKr | 12 | --- | 6 | |
| ranolazine | antianginal | canine VM | IKs | 13.4 | 140 | ||
| ranolazine | antianginal | canine VM | IKs | >> 30 | >> 5 | 6 | 17% at 30 uM |
| ranolazine | antianginal | canine VM | INa | 21 | 140 | ||
| ranolazine | antianginal | canine VM | INa(late) | 6 | 0.5 | 6 | |
| ranolazine | antianginal | canine VM | INaCa | 91 | 15 | 6 | |
| ranolazine | antianginal | canine VM | Ito | >100 | >9 | 140 | 17% at 100 uM |
| risperidone | antipsychotic | 5HT2 | 0.00016 | 0.0004 | 104 | ||
| risperidone | antipsychotic | D2 | 0.0033 | 0.008 | 104 | ||
| risperidone | antipsychotic | human AM | IK1 | >100 | 46 | ||
| risperidone | antipsychotic | HERG/HEK | IKr | 0.163 | --- | 46 | at 37°C |
| risperidone | antipsychotic | IKr | 0.394 | --- | 76 | at 32-37°C | |
| risperidone | antipsychotic | IKs | 9.7 | 76 | at 32-37°C | ||
| risperidone | antipsychotic | IKv1.5 | 9.5 | 76 | at 32-37°C | ||
| risperidone | antipsychotic | human AM | INa | 50-100 | 46 | ||
| risperidone | antipsychotic | human AM | Isus | >100 | 46 | ||
| risperidone | antipsychotic | Ito | 25.5 | 76 | at 32-37°C | ||
| risperidone | antipsychotic | human AM | Ito | >100 | 46 | ||
| ritonavir | antiviral | HERK/HEK | IKr | 8.2 | --- | 5 | |
| RP-58866 | antiarrhythmic | guinea-pig VM | IKr | 0.02 | --- | 62 | |
| RP-58866 | antiarrhythmic | HERG/XO | IKr | 0.2 | --- | 62 | |
| saquinavir | antiviral | HERG/HEK | IKr | 15.3 | --- | 5 | |
| sertindole | antipsychotic | 5HT2 | 0.00085 | 0.17 | 104 | ||
| sertindole | antipsychotic | D2 | 0.0074 | 1.5 | 104 | ||
| sertindole | antipsychotic | human AM | IK1 | >10 | 46 | ||
| sertindole | antipsychotic | HERG | IKr | 0.005 | --- | 76 | at 32-37°C |
| sertindole | antipsychotic | HERG/HEK | IKr | 0.0126 | --- | 46 | at 37°C |
| sertindole | antipsychotic | HERG/L | IKr | 0.014 | --- | 94 | |
| sertindole | antipsychotic | IKs | 0.88 | 76 | at 32-37°C | ||
| sertindole | antipsychotic | HEK | IKv1.5 | 2.12 | 94 | ||
| sertindole | antipsychotic | IKv1.5 | 4 | 76 | at 32-37°C | ||
| sertindole | antipsychotic | human AM | INa | >10 | 46 | ||
| sertindole | antipsychotic | human AM | Isus | >10 | 46 | ||
| sertindole | antipsychotic | Ito | 8.8 | 76 | at 32-37°C | ||
| sertindole | antipsychotic | human AM | Ito | >10 | 46 | ||
| sildenafil | PDE inhibitor | HERG/HEK | IKr | 100 | --- | 56 | |
| sildenafil | PDE inhibitor | PDE5 | PDE5 | 0.001 | 0.00001 | 118 | |
| d-sotalol | antiarrhythmic | GP VM | IKr | 100 | --- | 103 | |
| d-sotalol | antiarrhythmic | human AM | IKv1.5 | >500 | --- | 53 | |
| d-sotalol | antiarrhythmic | human AM | Ito | >500 | 53 | ||
| sparfloxacin | antibiotic/quinolone | AT-1 | IKr | 0.23 | --- | 4 | |
| sparfloxacin | antibiotic/quinolone | HERG/CHO | IKr | 13.5 | --- | 33 | -40 mV |
| sparfloxacin | antibiotic/quinolone | HERG/CHO | IKr | 18 | --- | 66 | |
| spironolactone | aldosterone antagonist | HERG/CHO | IKr | 23 | --- | 35 | |
| tamoxifen | antiestrogen | rabbit VM | IKr | 1 | --- | 84 | |
| tamsulosin | alpha1-blocker | HERG/CHO | IKr | 104.8 | --- | 92 | |
| terazosin | alpha1-blocker | HERG/CHO | IKr | 21.4 | --- | 92 | |
| terfenadine | antihistamine | GP cerebellum | H1 | 0.45 | 9 | 27 | |
| terfenadine | antihistamine | GP LM | H1 | 0.56 | 3.7 | 74 | |
| terfenadine | antihistamine | guinea-pig VM | ICa | <3 | 90 | ||
| terfenadine | antihistamine | rat VM | ICaL | 0.14 | 82 | ||
| terfenadine | antihistamine | HERG/HEK | IK1 | >1 | 45 | ||
| terfenadine | antihistamine | IK1 | >10 | 31 | |||
| terfenadine | antihistamine | guinea-pig VM | IK1 | >10 | 31 | ||
| terfenadine | antihistamine | guinea-pig VM | IKr | 0.05 | --- | 101 | |
| terfenadine | antihistamine | HERG/HEK | IKr | 0.056 | --- | 95 | |
| terfenadine | antihistamine | HERG | IKr | 0.056 | --- | 76 | at 32-37°C |
| terfenadine | antihistamine | rabbit VM | IKr | 0.096 | --- | 37 | |
| terfenadine | antihistamine | AT-1 | IKr | 0.097 | --- | 127 | |
| terfenadine | antihistamine | feline VM | IKr | 0.15 | --- | 126 | |
| terfenadine | antihistamine | HERG/HEK | IKr | 0.204 | --- | 45 | |
| terfenadine | antihistamine | HERG/XO | IKr | 0.246 | --- | 110 | |
| terfenadine | antihistamine | HERG/XO | IKr | 0.431 | --- | 40 | |
| terfenadine | antihistamine | HERG/XO | IKr | 0.48 | --- | 111 | |
| terfenadine | antihistamine | IKs | 4.4 | 76 | at 32-37°C | ||
| terfenadine | antihistamine | IKs | <10 | 101 | 10uM = IC58 | ||
| terfenadine | antihistamine | XO | IKs | 29 | 110 | ||
| terfenadine | antihistamine | XO | IKv1.1 | 34 | 110 | ||
| terfenadine | antihistamine | IKv1.5 | 0.367 | 76 | at 32-37°C | ||
| terfenadine | antihistamine | feline VM | IKv1.5 | 0.37 | 96 | ||
| terfenadine | antihistamine | XO | IKv1.5 | 1 | 128 | ||
| terfenadine | antihistamine | IKv1.5 | 1.1 | 18 | |||
| terfenadine | antihistamine | XO | IKv1.5 | 2.6 | 100 | ||
| terfenadine | antihistamine | guinea-pig VM | INa | <3 | 90 | ||
| terfenadine | antihistamine | XO | IRK1 | 23 | 110 | ||
| terfenadine | antihistamine | HERG/HEK | Isus | >1 | 45 | ||
| terfenadine | antihistamine | guinea-pig VM | Ito | >1 | 31 | ||
| terfenadine | antihistamine | HERG/HEK | Ito | >1 | 45 | ||
| terfenadine | antihistamine | Ito | >1 | 30 | 1uM = IC11 | ||
| terfenadine | antihistamine | Ito | 2.7 | 76 | at 32-37°C | ||
| terikalant | antiarrhythmic | guinea-pig VM | IKr | 0.031 | --- | 62 | |
| terikalant | antiarrhythmic | HERG/XO | IKr | 0.25 | --- | 62 | |
| terodiline | antispasmodic | AT-1 | IKr | 0.0037 | --- | 127 | |
| terodiline | antispasmodic | guinea-pig VM | IKr | 0.7 | --- | 60 | |
| thioridazine | antipsychotic | human AM | IK1 | >100 | 46 | ||
| thioridazine | antipsychotic | HERG/HEK | IKr | 0.0357 | --- | 46 | at 37°C |
| thioridazine | antipsychotic | HERG/CHO | IKr | 1.07 | --- | 114 | |
| thioridazine | antipsychotic | HERG/tsA-201 | IKr | 1.25 | --- | 49 | |
| thioridazine | antipsychotic | guinea-pig VM | IKr | 1.25 | --- | 49 | |
| thioridazine | antipsychotic | guinea-pig VM | IKs | 14 | 49 | ||
| thioridazine | antipsychotic | human AM | INa | 7.0 | 46 | ||
| thioridazine | antipsychotic | human AM | Isus | >100 | 46 | ||
| thioridazine | antipsychotic | human AM | Ito | 27 | 46 | ||
| trimethaphan | antihypertensive | AT-1 | IKr | 10 | --- | 127 | |
| valproic acid | antiepileptic | AT-1 | IKr | 20 | --- | 127 | |
| verapamil | calcium antagonist | guinea pig | ICaL | 0.7 | 52 | ||
| verapamil | calcium antagonist | HERG/HEK | IKr | 0.143 | --- | 136 | |
| verapamil | calcium antagonist | HERG/L | IKr | 0.34 | --- | 129 | |
| verapamil | calcium antagonist | AT-1 | IKr | 0.3-1 | --- | 130 | |
| verapamil | calcium antagonist | HERG/COS | IKr | 0.83 | --- | 42 | |
| verapamil | calcium antagonist | AT-1 | IKr | 1.3 | --- | 98 | |
| verapamil | calcium antagonist | HERG/XO | IKr | 3.8 | --- | 122 | |
| verapamil | calcium antagonist | IKs/COS | IKs | >10 | 42 | ||
| vesnarinone | PDE inhibitor | rabbit VM | IKr | 5.7 | --- | 115 | |
| vesnarinone | PDE inhibitor | human heart | PDE3 | 6.2 | 1.1 | 87 | |
| WAY-123,398 | antiarrhythmic | feline VM | IKr | 0.019 | --- | 107 | |
| ziprasidone | antipsychotic | human AM | IK1 | >10 | 46 | ||
| ziprasidone | antipsychotic | HERG/HEK | IKr | 0.152 | --- | 46 | at 37°C |
| ziprasidone | antipsychotic | human AM | INa | >10 | 46 | ||
| ziprasidone | antipsychotic | human AM | Isus | >10 | 46 | ||
| ziprasidone | antipsychotic | human AM | Ito | >10 | 46 |