Etravirine
| Interaction Color Code | Clinical Bottom Line | Clinical Effects | Drug 1 effect | Drug 2 dose | Drug 2 effect | Management | |
|---|---|---|---|---|---|---|---|
| Lenacapavir Etravirine | Red: Avoid combination | Do not coadminister: potentially reduced levels of lenacapavir | Potential loss of antiviral efficacy |
Use alternative agents. |
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| Ritonavir ETR 1034 | Yellow: Adjust dosing | Adjust dosing to avoid decreased levels of etravirine | Etravirine AUC decreased 46%; Cmax decreased 32% |
For ritonavir boosting - refer to individual protease inhibitors for specific recommendation |
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| Darunavir ETR 917 | Green: Administer standard doses | Administer standard doses | 200 mg twice daily | ||||
| Darunavir ETR 908 | Green: Administer standard doses | Administer standard doses | Not reported |
100 mg BID | Cmax decrease 32%, AUC decrease 37%, Cmin decrease 49% |
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| Atazanavir ETR 841 | Red: Avoid combination | Do not coadminister: Reduced levels of atazanavir and increased levels of etravirine | Potential increased etravirine effects, decreased atazanavir effects |
Atazanavir AUC decreased 17%, Cmin decreased 47% |
Etravirine AUC increased 50%, Cmax increased 47%, Cmin increased 58% |
Use alternative agents |
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| Tenofovir disoproxil fumarate ETR 733 | Green: Administer standard doses | Administer standard doses | Cmax increase 15%, AUC increase 15%, Cmin increase 19% |
200 mg BID | Cmax decrease 19%, AUC decrease 19%, Cmin decrease 18% |
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| Nevirapine ETR 617 | Red: Avoid combination | Do not coadminister: Reduced levels of etravirine | Decreased etravirine and nevirapine effects |
levels): increased 15-30% |
Etravirine AUC decreased 55% |
Use alternative agents |
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| Etravirine ATV 574 | Potential for increased etravirine effects |
Etravirine AUC increased 30%; Cmax increased 30%; Cmin decreased 26% |
300 mg daily with 100 mg ritonavir daily | Atazanavir AUC decreased 14%; Cmin decreased 38% |
When using atazanavir 300 mg plus ritonavir 100 mg once daily use etravirine standard dose. |
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| Etravirine Verapamil 573 | Orange: Minimal data to guide interaction | minimal data to guide interaction: weigh risks and benefits of using this combination | Potential decreased verampil efficacy |
If coadministring, titrate verapamil based on clinical response |
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| Etravirine Diltiazem 572 | Orange: Minimal data to guide interaction | minimal data to guide interaction: weigh risks and benefits of using this combination | Potential decreased dilitazem efficacy |
If coadministring, titrate dilitazem based on clinical response |
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| Etravirine Warfarin 571 | Orange: Minimal data to guide interaction | minimal data to guide interaction: weigh risks and benefits of using this combination | Potential for increased Warfarin concentration |
If coadministring, monitor INR |
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| Etravirine Trazodone 570 | Orange: Minimal data to guide interaction | minimal data to guide interaction: weigh risks and benefits of using this combination | Potiential decreaed Trazodone effects |
If coadministring, monitor for theraptutic effectiveness of Trazodone |
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| Etravirine Sertraline 569 | Orange: Minimal data to guide interaction | minimal data to guide interaction: weigh risks and benefits of using this combination | Potiential decreaed Sertaline effects |
If coadministring, monitor for theraptutic effectiveness of Sertaline |
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| Etravirine Zonisamide 568 | Orange: Minimal data to guide interaction | minimal data to guide interaction: weigh risks and benefits of using this combination | Potiental decreased anticonvulsant effects |
if co-administring, monitor for seizure control |
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| Etravirine Tiagabine 567 | Orange: Minimal data to guide interaction | minimal data to guide interaction: weigh risks and benefits of using this combination | Potiental decreased anticonvulsant effects |
if co-administring, monitor for seizure control |
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| Etravirine Lacosamide 566 | Orange: Minimal data to guide interaction | minimal data to guide interaction: weigh risks and benefits of using this combination | Potiental decreased anticonvulsant effects |
if co-administring, monitor for seizure control |
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| Etravirine Ethosuximide 565 | Orange: Minimal data to guide interaction | minimal data to guide interaction: weigh risks and benefits of using this combination | Potiental decreased anticonvulsant effects |
if co-administring, monitor for seizure control |
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| Etravirine Lumefantrine 564 | Orange: Minimal data to guide interaction | Minimal data to guide interaction: weigh risks and benefits of using this combination | Decreased antimalarial effects |
No significant change |
artemether / Lumefantrine 80 / 480 mg | Lumefantrine AUC decreased 13% |
If coadministering, monitor for anti-malarial efficacy. |
| Etravirine Itraconazole 563 | Orange: Minimal data to guide interaction | Minimal data to guide interaction: weigh risks and benefits of using this combination | Decreased itraconazole effects |
Not studied (may increase etravirine levels) |
Not studied (may decrease itraconazole levels) |
If coadministering, dose adjustment not established. Monitor itraconazole levels and etravirine toxicity. |
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| Etravirine Artemether / Lumefantrine 562 | Orange: Minimal data to guide interaction | Minimal data to guide interaction: risks likely to outweigh benefits | Decreased antimalarial effects |
No significant change |
artemether / lumefantrine 80 / 480 mg | Artemether AUC decreased 38%; Lumefantrine AUC decreased 13% |
Use with caution; avoid if possible |
| Etravirine Clarithromycin 561 | Orange: Minimal data to guide interaction | Minimal data to guide interaction: risks likely to outweigh benefits | Increased etravirine effects; decreased clarithromycin effects |
Etravirine AUC increased 42%; Cmax increased 46%; Cmin increased 46% |
500 mg BID | Clarithromycin AUC decreased 37%; Cmax decreased 34%; Cmin decreased 53%; 14-hydroxyclarithromycin AUC increased 21%; Cmax increased 33% |
Use alternative macrolide (consider use of azithromycin) for MAC |
| Etravirine Bosentan 560 | Orange: Minimal data to guide interaction | Minimal data to guide interaction: risks likely to outweigh benefits | Potential decreased etravirine effects; potential decreased bosentran effects |
If coadministring, monitor bosentran efficacy and virologic response |
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| Etravirine Elvitegravir / Cobicistat / Emtricitabine / Tenofovir alafenamide 559 | Orange: Minimal data to guide interaction | Minimal data to guide interaction: risks likely to outweigh benefits | Potentially decreased or increased elvitegravir, cobicistat and / or etravirine effects |
No significant change |
Elvitegravir 150 mg daily | No significant change |
Avoid combination and use alternative agents |
| Etravirine Clopidogrel 558 | Orange: Minimal data to guide interaction | Minimal data to guide interaction: risks likely to outweigh benefits | Potential decreased clopidogrel effects |
Avoid combination and use alternative agents |
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| Etravirine Tamsulosin 557 | Orange: Minimal data to guide interaction | Adjust dosing to avoid decreased levels of tamsulosin | Decreased tamsulosin effects |
If coadministring, monitor for theraptutic effectiveness of tamsulosin after 2-4 weeks. Increase dose to 0.8mg daily for patients who fail to respond to 0.4 mg dose. |
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| Etravirine Phenytoin 556 | Red: Avoid combination | Do not coadminister: Potential for reduced levels of etravirine and phenytoin | Potential decreased etravirine effects; potential decreased anticonvulsants effects |
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| Etravirine CBZ 555 | Red: Avoid combination | Do not coadminister: Potential for reduced levels of etravirine and carbamazepine | Potential decreased etravirine effects; potential decreased anticonvulsants effects |
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| Etravirine Phenobarbital 554 | Red: Avoid combination | Do not coadminister: Potential for reduced levels of etravirine and phenobarbital | Potential decreased etravirine effects; potential decreased anticonvulsants effects |
Avoid combination and use alternative agents |
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| Etravirine NVP 553 | Red: Avoid combination | Do not coadminister: Reduced levels of etravirine | Avoid combination: :combining two NNRTIs has not been shown beneficial use alternate agents |
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| Etravirine EFV 552 | Red: Avoid combination | Do not coadminister: Reduced levels of etravirine | Avoid combination: combining two NNRTIs has not been shown beneficial; use alternate agents |
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| Etravirine SOF/VEL 551 | Red: Avoid combination | Do not coadminister: potientially reduced levels of velpatasvir and voxilaprevir | Potential loss of anti-HCV efficacy |
Not studied |
Not studied (may decrease velpatasvir and voxilaprevirlevels) |
Contraindicated. Use alternative agents. |
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| Etravirine SOF/VEL 550 | Red: Avoid combination | Do not coadminister: potientially reduced levels of velpatasvir | Potential loss of anti-HCV efficacy |
Not studied |
Not studied (may decrease velpatasvir and sofosbuvir levels) |
Contraindicated. Use alternative agents. |
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| Etravirine Pimavanserin 549 | Red: Avoid combination | Do not coadminister: potientially reduced levels of pimavanserin | Potential decreased pimavanserin effects |
Contraindicated. Use alternative agents. |
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| Etravirine Cariprazine 548 | Red: Avoid combination | Do not coadminister: potientially reduced levels of cariprazine | Potential decreased cariprazine effects |
Contraindicated. Use alternative agents. |
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| Etravirine Lumateperone 547 | Red: Avoid combination | Do not coadminister: Reduced levels of lumateperon | Decreased Lumateperon levels |
Avoid combination and use alternative agents |
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| Etravirine G/P 546 | Red: Avoid combination | Do not coadminister: Potential for reduced levels of glecaprevir / Pibrentasvir | Potentially decreased glecaprevir / pibrentasvir levels expected |
Not studied (may decrease grazprevir levels) |
Avoid combination. Use alternative agents |
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| Etravirine RIF 545 | Red: Avoid combination | Do not coadminister: Potential for reduced levels of etravirine | Significant decrease in etravirine efficacy |
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| Etravirine RPT 544 | Red: Avoid combination | Do not coadminister: Potential for reduced levels of etraviorine | Potential decreased etravirine effects |
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| Etravirine St. John's Wort (Hypericum perforatum) 543 | Red: Avoid combination | Do not coadminister: Potential for reduced levels of ETR | loss of virologic response |
Not studied |
Not studied |
Contraindicated. Use alternative agents. |
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| Etravirine EBR/GZR 542 | Red: Avoid combination | Do not coadminister: Potential for reduced levels of elbasvir / grazoprevir | Potentially decreased elbasvir, grazoprevir levels expected |
Not studied |
Not studied (may decrease grazprevir levels) |
Avoid combination. Use alternative agents |
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| Etravirine DTG 541 | Red: Avoid combination | Do not coadminister: Potential for reduced levels of dolutegravir | Potentially reduced dolutegravir effectiveness |
50 mg daily | Dolutegravir AUC decreased 71%; Cmin decreased 88% |
Do not coadminister etravirine with dolutegravir unless atazanavir / ritonavir, darunavir / ritonavir, or lopinavir / ritonavir are also part of the regimen. If one of these boosted PIs is present and known or clinically suspected INSTI resistance, increase dolutegravir dosage to 50 mg BID. |
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| Etravirine Bedaquiline 540 | Red: Avoid combination | Do not coadminister: Potential for reduced levels of bedaquiline | potentially reduced levels of bedaquiline |
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| Etravirine ATV/c 539 | Red: Avoid combination | Do not coadminister: Potential for reduced levels of atazanavir | Potential loss of antiviral efficacy |
Not studied |
Not studied; Potential decreased atazanavir and cobicistat levels) |
Use alternative agents |
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| Etravirine Dasabuvir + Ombitasvir / Paritaprevir / Ritonavir 538 | Red: Avoid combination | Do not coadminister: Potential for reduced levels of anti-HCV agents | Potential decrease in anti-HCV efficacy |
Not studied |
Not studied (may decrease paritaprevir levels) |
Use alternative agents |
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| Etravirine DTG 537 | Red: Avoid combination | Administer standard doses | 50 mg daily | Dolutegravir AUC increased 11%; Cmin increased 28% |
Do not coadminister etravirine with dolutegravir unless atazanavir / ritonavir, darunavir / ritonavir, or lopinavir / ritonavir are also part of the regimen. When using this combo and there is known or clinically suspected INSTI resistance, increase dolutegravir dosage to 50 mg BID. |
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| Etravirine DTG 536 | Red: Avoid combination | Administer standard doses | Potentially reduced dolutegravir effectiveness |
50 mg daily | Dolutegravir AUC decreased 25%; Cmin decreased 37% |
Do not coadminister etravirine with dolutegravir unless atazanavir / ritonavir, darunavir / ritonavir, or lopinavir / ritonavir are also part of the regimen. When using this combo and there is known or clinically suspected INSTI resistance, increase dolutegravir dosage to 50 mg BID. |
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| Etravirine Omeprazole 535 | Green: Administer standard doses | Administer standard doses | Etravirine AUC increased 41% |
40 mg daily x 11 days | |||
| Etravirine Ranitidine 534 | Green: Administer standard doses | Administer standard doses | No significant change |
150 mg BID x 11 days | |||
| Etravirine Methadone 533 | Green: Administer standard doses | Administer standard doses | 60-130 mg daily | R-methadone: no significant effect; S-methadone: no significant effect |
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| Etravirine RAL 532 | Green: Administer standard doses | Administer standard doses | Etravirine Cmin increased 17% |
400 mg BID | Raltegravir Cmin decreased 34% |
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| Etravirine Paroxetine 531 | Green: Administer standard doses | Administer standard doses | No significant change |
20 mg daily | No significant change |
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| Etravirine Ethinyl estradiol / Norethindrone acetate 530 | Green: Administer standard doses | Administer standard doses | 0.035 mg EE / 1 mg NE daily | Ethinyl estradiol AUC increased 22%; Cmax increased 33%; Norethindrone Cmin decreased 22% |
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| Etravirine DRV 529 | Green: Administer standard doses | Administer standard doses | Etravirine AUC increased 80%; Cmax increased 81%; Cmin increased 67% (compared to etravirine 100 mg BID) |
Darunavir AUC increased 15% |
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| Etravirine DRV 528 | Green: Administer standard doses | Administer standard doses | Etravirine AUC decreased 37%; Cmax decreased 32%; Cmin decreased 49% |
600 mg BID with 100 mg ritonavir BID | No significant change |
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| Etravirine Voriconazole 527 | Green: Administer standard doses | Administer standard doses | Potential for increased etravirine effects |
Etravirine AUC increased 36%; Cmin increased 52%; Cmax increased 26% |
200 mg BID | Voriconazole Cmin increased 23% |
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| Etravirine Saxagliptin 526 | Green: Administer standard doses | Administer standard doses | Possible decrease in antihyperglycemic effects |
Monitor glycemic control |
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| Etravirine Linagliptin 525 | Green: Administer standard doses | Administer standard doses | Possible decrease in antihyperglycemic effects |
Monitor glycemic control |
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| Etravirine Midazolam 524 | Green: Administer standard doses | Administer standard doses | decreased levels of midazolam |
Midozolam AUC decreased 31%; active metabolite Cmax increased 57% |
Monitor for theraputive effectiveness of midazolam |
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| Etravirine Sildenafil 523 | Green: Administer standard doses | Administer standard doses | Decreased sildenafil effects |
50 mg x 1 | Sildenafil AUC decreased 57%; Cmax decreased 45% |
Monitor for sildenafil efficacy and titrate to effect |
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| Etravirine Fluconazole 522 | Green: Administer standard doses | Administer standard doses | Increased etravirine effects |
Etravirine AUC increased 86%; Cmax increased 75%; Cmin increased 109% |
200 mg QAM | No significant change |
Monitor for fluconazole associated toxicities |
| Etravirine Posaconazole 521 | Green: Administer standard doses | Administer standard doses | Not studied (may increase etravirine levels) |
Not studied |
Monitor for etravirine related toxicities |
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| Etravirine RFB 520 | Yellow: Adjust dosing | Adjust dosing to avoid reduced levels of rifabutin | Decreased rifabutin effects |
Etravirine AUC decreased 37%; Cmax decreased 37%; Cmin decreased 35% |
300 mg daily | Rifabutin AUC decreased 17%; Cmin decreased 24%; 25-O-desacetylrifabutin AUC decreased 17%; Cmax decreased 15%; Cmin decreased 22% |
Administer rifabutin 300 mg once daily with etravirine. If etravirine and a protease inhibitor are used together, do not coadminister with rifabutin. |
| Etravirine MVC 519 | Yellow: Adjust dosing | Adjust dosing to avoid reduced levels of maraviroc | No significant change |
300 mg BID | Maraviroc AUC decreased 53%; Cmax decreased 60%; Cmin decreased 39% |
Increase maraviroc to 600 mg BID when combined with etravirine. When etravirine and maraviroc are coadministered with a strong CYP3A4 inhibitor, decrease maraviroc dose to 150 mg BID |
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| Etravirine MVC 518 | Yellow: Adjust dosing | Adjust dosing to avoid reduced levels of maraviroc | Increased maraviroc effects |
150 mg BID | Maraviroc AUC increased 3.10 fold; Cmax increased 1.76 fold; Cmin increased 5.27 fold |
Increase maraviroc to 600 mg BID when combined with etravirine. When etravirine and maraviroc are coadministered with a strong CYP3A4 inhibitor, decrease maraviroc dose to 150 mg BID |
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| Etravirine MVC 517 | Yellow: Adjust dosing | Adjust dosing to avoid reduced levels of maraviroc | Increased maraviroc effects |
No significant change on etravirine, darunavir or ritonavir pharmacokinetics |
300 mg BID | Maraviroc AUC increased 210%; Cmax increased 77%; Cmin increased 430% |
Increase maraviroc to 600 mg BID when combined with etravirine. When etravirine and maraviroc are coadministered with a strong CYP3A4 inhibitor, decrease maraviroc dose to 150 mg BID |
| Etravirine MVC 516 | Yellow: Adjust dosing | Adjust dosing to avoid reduced levels of maraviroc | Decreased maraviroc effects |
300 mg BID | Maraviroc AUC decreased 53%; Cmax decreased 60%; Cmin decreased 39% |
Increase maraviroc to 600 mg BID when combined with etravirine. When etravirine and maraviroc are coadministered with a strong CYP3A4 inhibitor, decrease maraviroc dose to 150 mg BID |
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| Etravirine Daclatasvir 515 | Yellow: Adjust dosing | Adjust dosing to avoid reduced levels of daclatasvir | Potential loss of anti-HCV efficacy |
Not studied |
120 mg daily | AUC increased 37% and Cmin decreased 17%. |
Increase daclatasvir dose to 90 mg daily. |
| Etravirine Atorvastatin 514 | Yellow: Adjust dosing | Adjust dosing to avoid increased levels of atorvastatin | Decreased atorvastatin effects |
No significant change |
40 mg daily | Atorvastatin AUC decreased 37% 2-hydroxyatorvastatin AUC increased 27%; Cmax increased 76% |
Consider low dose atorvastatin and titrate to effect; monitor for myopathy |
| Etravirine RTV 513 | Yellow: Adjust dosing | Adjust dosing to avoid decreased levels of etravirine | Significant decrease in etravirine concentration and loss of theraputic effect |
600 mg BID | |||
| Efavirenz ETR 448 | Red: Avoid combination | Do not coadminister: Reduced levels of etravirine | Decreased etravirine and efavirenz effects |
Etravirine AUC decreased 41% |
Use alternative agents |
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| Doravirine ETR 354 | Red: Avoid combination | Do not coadminister: Potential for reduced levels of doravirine | Potential decrease in antiretroviral efficacy |
Do not coadminister. Use alternative agents. |
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| Cabotegravir ETR 332 | Green: Administer standard doses | Administer standard doses | Cmax increased 4%, AUC increased 1% |
200 mg once daily | Not studied |
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| Raltegravir ETR 309 | Green: Administer standard doses | Administer standard doses | Raltegravir AUC decreased 10%; Cmin decreased 34% |
200 mg BID | Not reported |
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| Raltegravir ETR 299 | Green: Administer standard doses | Administer standard doses | Not reported |
200 mg | Etravirine AUC increased 10%, Cmin increased 17% |
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| Dolutegravir ETR 123 | Red: Avoid combination | Do not coadminister: Reduced levels of dolutegravir | Potential decrease in antiretroviral efficacy |
Cmax decreased 52%, AUC decreased 71%, Cmin decreased 88% |
200 mg once daily | Not studied |
Contraindicated. Use in combination with ATV / r or DRV / r |
| Dolutegravir ETR + DRV/r 106 | Green: Administer standard doses | Administer standard doses | Cmax decreased 12%, AUC decreased 25%, Cmin decreased 37% |
200 mg + 600 / 100 mg BID | Not studied |
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| Maraviroc ETR 38 | Yellow: Adjust dosing | Adjust dosing to avoid decreased levels of maraviroc | Potential decrease in antiretroviral efficacy |
Maraviroc AUC decreased 53%; Cmin decreased 39% |
200 mg BID | Not reported |
Increase maraviroc dose to 600 mg BID. If including MVC, ETR plus a strong CYP3A4 inhibitor in the regimen, reduce maraviroc dose to 150 mg BID |
| Fostemsavir ETR 5 | Green: Administer standard doses | Administer standard doses | Temsavir Cmax decreased 48%, AUC decreased 50%, Cmin decreased 48% |
200 mg BID | Etravirine Cmax increased 11%, AUC increased 11%, Cmin increased 14% |
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| Etravirine |

