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is predicted to increase the exposure to eletriptan.

Study

▶ Cobicistat is predicted to markedly increase the exposure to

eletriptan. Avoid.rStudy

▶ Eletriptan increases the risk of vasoconstriction when given

Study

with ergotamine. Separate administration by 24 hours.r

▶ HIV-protease inhibitors are predicted to markedly increase the

exposure to eletriptan. Avoid.rStudy

▶ Idelalisib is predicted to markedly increase the exposure to

eletriptan. Avoid.rStudy

▶ Macrolides (clarithromycin) are predicted to markedly increase

the exposure to eletriptan. Avoid.rStudy

▶ Macrolides (erythromycin) moderately increase the exposure to

eletriptan. Avoid.oStudy

▶ Netupitant

o

is predicted to increase the exposure to eletriptan.

Study

Eliglustat

▶ Abiraterone is predicted to increase the exposure to eliglustat.

Avoid or adjust dose—consult product literature.rStudy

▶ Eliglustat is predicted to increase the exposure to aliskiren.

Adjust dose.oStudy

▶ Antiarrhythmics (dronedarone, propafenone) are predicted to

increase the exposure to eliglustat. Avoid or adjust dose—

consult product literature.rStudy

▶ Antiepileptics (carbamazepine, fosphenytoin, phenobarbital,

phenytoin, primidone) are predicted to decrease the exposure

to eliglustat. Avoid.rStudy

▶ Antifungals, azoles (fluconazole, isavuconazole, itraconazole,

ketoconazole, posaconazole, voriconazole) are predicted to

increase the exposure to eliglustat. Avoid or adjust dose—

consult product literature.rStudy

▶ Eliglustat is predicted to increase the exposure to

antihistamines, non-sedating

o

(fexofenadine). Adjust dose.

Study

▶ Aprepitant is predicted to increase the exposure to eliglustat.

Avoid or adjust dose—consult product literature.rStudy

▶ Eliglustat is predicted to increase the exposure to atomoxetine.

Adjust dose.oTheoretical

▶ Eliglustat is predicted to increase the exposure to beta blockers,

non-selective (propranolol). Adjust dose.oStudy

▶ Eliglustat is predicted to increase the exposure to beta blockers,

selective (metoprolol). Adjust dose.oStudy

▶ Bosentan

o

is predicted to decrease the exposure to eliglustat.

Theoretical

▶ Bupropion is predicted to increase the exposure to eliglustat.

Avoid or adjust dose—consult product literature.rStudy

▶ Calcium channel blockers (diltiazem, verapamil) are predicted to

increase the exposure to eliglustat. Avoid or adjust dose—

consult product literature.rStudy

▶ Cinacalcet is predicted to increase the exposure to eliglustat.

Avoid or adjust dose—consult product literature.rStudy

▶ Cobicistat is predicted to increase the exposure to eliglustat.

Avoid or adjust dose—consult product literature.rStudy

▶ Eliglustat is predicted to increase the exposure to colchicine.

Avoid or adjust colchicine dose, p. 1120.rTheoretical

▶ Crizotinib is predicted to increase the exposure to eliglustat.

Avoid or adjust dose—consult product literature.rStudy

1448 Efavirenz — Eliglustat BNF 78

Interactions | Appendix 1

A1

▶ Eliglustat is predicted to increase the exposure to dabigatran.

Adjust dose.oStudy

▶ Eliglustat

o

increases the exposure to digoxin. Adjust dose.

Study

▶ Duloxetine is predicted to increase the exposure to eliglustat.

Avoid or adjust dose—consult product literature.rStudy

▶ Eliglustat is predicted to increase the exposure to edoxaban.

Adjust dose.oStudy

▶ Efavirenz

o

is predicted to decrease the exposure to eliglustat.

Theoretical

▶ Enzalutamide is predicted to decrease the exposure to

eliglustat. Avoid.rStudy

▶ Eliglustat is predicted to increase the exposure to everolimus.

Adjust dose.oStudy

▶ Grapefruit juice is predicted to increase the exposure to

eliglustat. Avoid.rTheoretical

▶ HIV-protease inhibitors are predicted to increase the exposure

to

r

eliglustat. Avoid or adjust dose—consult product literature.

Study

▶ Idelalisib is predicted to increase the exposure to eliglustat.

Avoid or adjust dose—consult product literature.rStudy

▶ Imatinib is predicted to increase the exposure to eliglustat.

Avoid or adjust dose—consult product literature.rStudy

▶ Eliglustat is predicted to increase the exposure to loperamide.

Adjust dose.oStudy

▶ Macrolides (clarithromycin, erythromycin) are predicted to

increase the exposure to eliglustat. Avoid or adjust dose—

consult product literature.rStudy

▶ Mirabegron is predicted to increase the exposure to eliglustat.

Avoid or adjust dose—consult product literature.rStudy

▶ Mitotane is predicted to decrease the exposure to eliglustat.

Avoid.rStudy

▶ Moclobemide is predicted to increase the exposure to

eliglustat

r

. Avoid or adjust dose—consult product literature.

Theoretical

▶ Netupitant is predicted to increase the exposure to eliglustat.

Avoid or adjust dose—consult product literature.rStudy

▶ Nevirapine

o

is predicted to decrease the exposure to eliglustat.

Theoretical

▶ Nilotinib is predicted to increase the exposure to eliglustat.

Avoid or adjust dose—consult product literature.rStudy

▶ Quinolones (ciprofloxacin) are predicted to increase the

exposure to eliglustat. Avoid or adjust dose—consult product

literature.rTheoretical

▶ Rifampicin is predicted to decrease the exposure to eliglustat.

Avoid.rStudy

▶ Eliglustat is predicted to increase the exposure to sirolimus.

Adjust dose.oStudy

▶ SSRIs (fluoxetine, paroxetine) are predicted to increase the

exposure to eliglustat. Avoid or adjust dose—consult product

literature.rStudy

▶ St John’s Wort is predicted to increase the exposure to

eliglustat. Avoid.rStudy

▶ Eliglustat is predicted to increase the exposure to taxanes

(paclitaxel). Adjust dose.oStudy

▶ Terbinafine is predicted to increase the exposure to eliglustat.

Avoid or adjust dose—consult product literature.rStudy

▶ Eliglustat is predicted to increase the exposure to tolterodine.

Adjust dose.oTheoretical

▶ Eliglustat is predicted to increase the exposure to topotecan.

Adjust dose.oStudy

▶ Eliglustat is predicted to increase the exposure to tricyclic

antidepressants (nortriptyline). Adjust dose.oTheoretical

Elotuzumab → see monoclonal antibodies

Eltrombopag

▶ Antacids decrease the absorption of eltrombopag. Eltrombopag

should be taken 2 hours before or 4 hours after

r

antacids.

Study

▶ Oral calcium salts decrease the absorption of eltrombopag.

Eltrombopag should be taken 2 hours before or 4 hours after

calcium salts.rStudy

▶ Ciclosporin decreases the exposure to eltrombopag. Monitor

and adjust dose.oStudy

▶ Dairy products are predicted to decrease the absorption of

eltrombopag. Eltrombopag should be taken 2 hours before or

4 hours after dairy products.rTheoretical

▶ Iron (oral) is predicted to decrease the absorption of

eltrombopag. Eltrombopag should be taken 2 hours before or

4 hours after iron (oral).rTheoretical

▶ Eltrombopag is predicted to increase the concentration of

letermovir.oStudy

▶ Eltrombopag is predicted to increase the concentration of

methotrexate.oTheoretical

▶ Rifampicin is predicted to decrease the exposure to

eltrombopag and eltrombopag is predicted to increase the

concentration of rifampicin.oTheoretical

▶ Oral selenium is predicted to decrease the absorption of

eltrombopag. Eltrombopag should be taken 2 hours before or

4 hours after selenium.rTheoretical

▶ SSRIs (fluvoxamine) are predicted to increase the exposure to

eltrombopag.oTheoretical

▶ Eltrombopag is predicted to increase the exposure to statins.

Monitor and adjust dose.oStudy

▶ Eltrombopag is predicted to increase the exposure to tenofovir

alafenamide.oTheoretical

▶ Eltrombopag is predicted to increase the exposure to tenofovir

disoproxil.oTheoretical

▶ Oral zinc is predicted to decrease the absorption of

eltrombopag. Eltrombopag should be taken 2 hours before or

4 hours after zinc.rTheoretical

Elvitegravir

▶ Antacids moderately decrease the exposure to elvitegravir.

Separate administration by at least 4 hours.oStudy

▶ Antiepileptics (carbamazepine, fosphenytoin, phenobarbital,

phenytoin, primidone) are predicted to decrease the

concentration of elvitegravir. Avoid.rTheoretical

▶ Bosentan is predicted to decrease the concentration of

elvitegravir. Avoid.rTheoretical

▶ Elvitegravir is predicted to decrease the anticoagulant effect of

coumarins.oTheoretical

▶ Efavirenz is predicted to decrease the concentration of

elvitegravir. Avoid.rTheoretical

▶ Enzalutamide is predicted to decrease the concentration of

elvitegravir. Avoid.rTheoretical

▶ Elvitegravir markedly increases the exposure to grazoprevir.

Avoid.rStudy

▶ HIV-protease inhibitors (atazanavir, lopinavir) (boosted with

ritonavir) increase the concentration of elvitegravir. Refer to

specialist literature.oStudy

▶ Mitotane is predicted to decrease the concentration of

elvitegravir. Avoid.rTheoretical

▶ Nevirapine is predicted to decrease the concentration of

elvitegravir. Avoid.rTheoretical

▶ Rifampicin is predicted to decrease the concentration of

elvitegravir. Avoid.rTheoretical

▶ St John’s Wort is predicted to decrease the concentration of

elvitegravir. Avoid.rTheoretical

Empagliflozin → see TABLE 14 p. 1378 (antidiabetic drugs), TABLE 8

p. 1376 (hypotension)

Enalapril → see ACE inhibitors

Encorafenib → see TABLE 9 p. 1377 (QT-interval prolongation)

▶ Antiarrhythmics (dronedarone) are predicted to moderately

increase the exposure to encorafenib.oStudy → Also see

TABLE 9 p. 1377

▶ Antiepileptics (carbamazepine, fosphenytoin, phenobarbital,

phenytoin, primidone) are predicted to decrease the exposure

to encorafenib.rTheoretical

▶ Antifungals, azoles (fluconazole, isavuconazole, posaconazole)

are predicted to moderately increase the exposure to

encorafenib.oStudy → Also see TABLE 9 p. 1377

▶ Antifungals, azoles (itraconazole, ketoconazole, voriconazole) are

predicted to increase the exposure to encorafenib. Avoid or

monitor.rStudy → Also see TABLE 9 p. 1377

▶ Aprepitant is predicted to moderately increase the exposure to

encorafenib.oStudy

▶ Calcium channel blockers (diltiazem, verapamil) are predicted to

moderately increase the exposure to

Study

encorafenib.o

BNF 78 Eliglustat — Encorafenib 1449

Interactions | Appendix 1

A1

Encorafenib (continued)

▶ Cobicistat is predicted to increase the exposure to encorafenib.

Avoid or monitor.rStudy

▶ Encorafenib is predicted to affect the exposure to combined

hormonal contraceptives.rTheoretical

▶ Crizotinib is predicted to moderately increase the exposure to

encorafenib.oStudy → Also see TABLE 9 p. 1377

▶ Encorafenib is predicted to increase the exposure to

dolutegravir.oTheoretical

▶ Enzalutamide is predicted to decrease the exposure to

encorafenib.rTheoretical

▶ Grapefruit juice is predicted to increase the exposure to

encorafenib. Avoid.oStudy

▶ HIV-protease inhibitors are predicted to increase the exposure

to encorafenib. Avoid or monitor.rStudy → Also see

TABLE 9 p. 1377

▶ Idelalisib is predicted to increase the exposure to encorafenib.

Avoid or monitor.rStudy

▶ Imatinib is predicted to moderately increase the exposure to

encorafenib.oStudy

▶ Macrolides (clarithromycin) are predicted to increase the

exposure to encorafenib. Avoid or monitor.rStudy → Also

see TABLE 9 p. 1377

▶ Macrolides (erythromycin) are predicted to moderately increase

the exposure to encorafenib.oStudy → Also see TABLE 9

p. 1377

▶ Mitotane

r

is predicted to decrease the exposure to encorafenib.

Theoretical

▶ Netupitant is predicted to moderately increase the exposure to

encorafenib.oStudy

▶ Nilotinib is predicted to moderately increase the exposure to

encorafenib.oStudy → Also see TABLE 9 p. 1377

▶ Encorafenib is predicted to increase the exposure to

raltegravir.oTheoretical

▶ Rifampicin is predicted to decrease the exposure to

encorafenib.rTheoretical

▶ St John’s Wort is predicted to decrease the exposure to

encorafenib.rTheoretical

Enoxaparin → see low molecular-weight heparins

Entacapone

▶ Iron (oral) is predicted to decrease the absorption of

entacapone

o

. Separate administration by at least 2 hours.

Theoretical

▶ Entacapone increases the exposure to levodopa. Monitor side

effects and adjust dose.oStudy

▶ Entacapone is predicted to increase the exposure to

methyldopa.oTheoretical

▶ Entacapone is predicted to increase the risk of elevated blood

pressure when given with monoamine-oxidase A and B

inhibitors, irreversible. Avoid.rTheoretical

▶ Entacapone is predicted to increase the risk of cardiovascular

o

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