{"id":1579,"date":"2018-09-12T13:21:49","date_gmt":"2018-09-12T13:21:49","guid":{"rendered":"http:\/\/edren.org\/ren\/?page_id=1579"},"modified":"2023-11-10T10:16:38","modified_gmt":"2023-11-10T10:16:38","slug":"tacrolimus","status":"publish","type":"page","link":"https:\/\/edren.org\/ren\/handbook\/transplant-handbook\/immunosuppressive-drugs\/tacrolimus\/","title":{"rendered":"Tacrolimus"},"content":{"rendered":"<h5><span style=\"font-family: georgia, palatino, serif;\"><strong><span style=\"color: #993300;\">Tacrolimus (<\/span><\/strong><\/span><span style=\"font-family: georgia, palatino, serif;\"><strong><span style=\"color: #993300;\">Adoport<\/span><\/strong><\/span><span style=\"font-family: georgia, palatino, serif;\"><strong><span style=\"color: #993300;\">\/Advagraf \/Prograf)<\/span><\/strong><\/span><\/h5>\n<h5><strong><span style=\"font-family: georgia, palatino, serif; color: #993300;\">Current indication<\/span><\/strong><\/h5>\n<ul style=\"list-style-type: disc;\">\n<li><span style=\"font-family: georgia, palatino, serif;\">As the lead agent in standard triple therapy for all patients.<\/span><\/li>\n<\/ul>\n<h5><strong><span style=\"font-family: georgia, palatino, serif; color: #993300;\">Dosage<\/span><\/strong><\/h5>\n<ul style=\"list-style-type: disc;\">\n<li><span style=\"font-family: georgia, palatino, serif;\">Adoport 0.05mg\/kg twice daily (i.e. 0.1mg\/kg\/day in 2 divided doses) (normally between 2 mg and 5 mg bd).<\/span><\/li>\n<\/ul>\n<h5><strong><span style=\"font-family: georgia, palatino, serif; color: #993300;\">Preparation<\/span><\/strong><\/h5>\n<ul style=\"list-style-type: disc;\">\n<li><span style=\"font-family: georgia, palatino, serif;\">Adoport is available as 0.5 mg, 0.75mg, 1mg, 2mg and 5 mg capsules. <\/span><span style=\"font-family: georgia, palatino, serif;\">Prograf is available as 0.5 mg (cream), 1 mg (white) and 5 mg (greyish red) capsules.\u00a0 Note that Prograf and Adoport are clinically equivalent although they should not be used interchangeably in the same patient.<\/span><\/li>\n<li><span style=\"font-family: georgia, palatino, serif;\">In addition, the once a day preparation Advagraf is also available.<\/span><\/li>\n<li><span style=\"font-family: georgia, palatino, serif;\">Adoport is used in the initial post-operative period. Occasional patients may still be taking Prograf, if they did not switch to Adoport, when that was introduced in the unit.<\/span><\/li>\n<li><span style=\"font-family: georgia, palatino, serif;\">Patients can be switched to Advagraf once stable levels have been achieved if this is felt to be clinically beneficial.<\/span><\/li>\n<\/ul>\n<h5><strong><span style=\"font-family: georgia, palatino, serif; color: #993300;\">Administration<\/span><\/strong><\/h5>\n<ul style=\"list-style-type: disc;\">\n<li><span style=\"font-family: georgia, palatino, serif;\">Oral route in most instances (well absorbed even in those with NG tubes).<\/span><\/li>\n<li><span style=\"font-family: georgia, palatino, serif;\">It is administered at 10 am and 10 pm.<\/span><\/li>\n<li><span style=\"font-family: georgia, palatino, serif;\">The capsules are taken on an empty stomach either 1 hour before or 2 &#8211; 3 hours after meals.<\/span><\/li>\n<li><span style=\"font-family: georgia, palatino, serif;\">Contents of the capsule can be suspended in water for NG administration.<\/span><\/li>\n<li><span style=\"font-family: georgia, palatino, serif;\">One fifth of the oral dose can be given as a continuous IV infusion in saline via non PVC bags\/tubing if absolutely necessary.<\/span><\/li>\n<\/ul>\n<h5><strong><span style=\"font-family: georgia, palatino, serif; color: #993300;\">Levels<\/span><\/strong><\/h5>\n<ul style=\"list-style-type: disc;\">\n<li><span style=\"font-family: georgia, palatino, serif;\">Whole blood trough levels to be checked on Mondays, Wednesdays and Fridays.<\/span><\/li>\n<li><span style=\"font-family: georgia, palatino, serif;\">The target levels may be found in the immunosuppression section.<\/span><\/li>\n<li><span style=\"font-family: georgia, palatino, serif;\">In adult kidney transplant patients steady state may be reached 2-3 days after starting therapy or changing dose.<\/span><\/li>\n<\/ul>\n<h5><strong><span style=\"font-family: georgia, palatino, serif; color: #993300;\">Pregnancy<\/span><\/strong><\/h5>\n<ul style=\"list-style-type: disc;\">\n<li><span style=\"font-family: georgia, palatino, serif;\">Tacrolimus may be used during pregnancy. Quantities of tacrolimus in breast milk are negligible and not clinically relevant so women may safely breastfeed while taking tacrolimus.<\/span><\/li>\n<\/ul>\n<h5><strong><span style=\"font-family: georgia, palatino, serif; color: #993300;\">Side Effects<\/span><\/strong><\/h5>\n<p><span style=\"font-family: georgia, palatino, serif;\">The most frequent side effects seen with tacrolimus include:<\/span><\/p>\n<ul style=\"list-style-type: disc;\">\n<li><span style=\"font-family: georgia, palatino, serif;\">abnormal kidney function (similar to Ciclosporin)<\/span><\/li>\n<li><span style=\"font-family: georgia, palatino, serif;\">tremor<\/span><\/li>\n<li><span style=\"font-family: georgia, palatino, serif;\">headache<\/span><\/li>\n<li><span style=\"font-family: georgia, palatino, serif;\">paraesthesia<\/span><\/li>\n<\/ul>\n<p><span style=\"font-family: georgia, palatino, serif;\"><em>Less common side effects are:<\/em><\/span><\/p>\n<ul style=\"list-style-type: disc;\">\n<li><span style=\"font-family: georgia, palatino, serif;\">diarrhoea<\/span><\/li>\n<li><span style=\"font-family: georgia, palatino, serif;\">hypertension<\/span><\/li>\n<li><span style=\"font-family: georgia, palatino, serif;\">hyperglycaemia<\/span><\/li>\n<li><span style=\"font-family: georgia, palatino, serif;\">hyperkalaemia<\/span><\/li>\n<li><span style=\"font-family: georgia, palatino, serif;\">hypomagnesaemia<\/span><\/li>\n<li><span style=\"font-family: georgia, palatino, serif;\">visual and neurological disturbances (affected patients should not drive or operate machinery)<\/span><\/li>\n<li><span style=\"font-family: georgia, palatino, serif;\">hypertrophic cardiomyopathy (in paediatric patients with trough levels &gt;25 mg\/ml).<\/span><\/li>\n<\/ul>\n<h5><strong><span style=\"font-family: georgia, palatino, serif; color: #993300;\">Interactions<\/span><\/strong><\/h5>\n<p><span style=\"font-family: georgia, palatino, serif;\"><em>Potential interactions due to effects on hepatic microsomal enzymes:<\/em><\/span><\/p>\n<p><span style=\"font-family: georgia, palatino, serif;\">Tacrolimus is extensively metabolised via the hepatic microsomal cytochrome P450 3A4 isoenzyme. Concomitant use of substances known to inhibit or induce cytochrome P450 3A4 (CYP3A4) may affect the metabolism of tacrolimus. Therefore:<\/span><\/p>\n<ul style=\"list-style-type: disc;\">\n<li><span style=\"font-family: georgia, palatino, serif;\">Inhibitors of CYP3A4 may <em>decrease <\/em>metabolism of tacrolimus and thus increase tacrolimus blood levels, e.g.<\/span><\/li>\n<\/ul>\n<table style=\"height: 261px; width: 80%; border-collapse: collapse;\" border=\"1\">\n<tbody>\n<tr style=\"height: 33px;\">\n<td style=\"width: 50%; height: 33px; background-color: #e6f7ed;\">clotrimazole<\/td>\n<td style=\"width: 50%; height: 33px; background-color: #e6f7ed;\"><span style=\"font-family: georgia, palatino, serif;\">diltiazem<\/span><\/td>\n<\/tr>\n<tr style=\"height: 34px;\">\n<td style=\"width: 50%; height: 34px; background-color: #e6f7ed;\"><span style=\"font-family: georgia, palatino, serif;\">fluconazole*<\/span><\/td>\n<td style=\"width: 50%; height: 34px; background-color: #e6f7ed;\"><span style=\"font-family: georgia, palatino, serif;\">nicardipine<\/span><\/td>\n<\/tr>\n<tr style=\"height: 34px;\">\n<td style=\"width: 50%; height: 34px; background-color: #e6f7ed;\"><span style=\"font-family: georgia, palatino, serif;\">ketoconazole*<\/span><\/td>\n<td style=\"width: 50%; height: 34px; background-color: #e6f7ed;\"><span style=\"font-family: georgia, palatino, serif;\">danazol<\/span><\/td>\n<\/tr>\n<tr style=\"height: 58px;\">\n<td style=\"width: 50%; height: 58px; background-color: #e6f7ed;\"><span style=\"font-family: georgia, palatino, serif;\">itraconazole*<\/span><\/td>\n<td style=\"width: 50%; height: 58px; background-color: #e6f7ed;\"><span style=\"font-family: georgia, palatino, serif;\">grapefruit juice (naringenin)<\/span><\/td>\n<\/tr>\n<tr style=\"height: 34px;\">\n<td style=\"width: 50%; height: 34px; background-color: #e6f7ed;\"><span style=\"font-family: georgia, palatino, serif;\">erthromycin*<\/span><\/td>\n<td style=\"width: 50%; height: 34px; background-color: #e6f7ed;\"><span style=\"font-family: georgia, palatino, serif;\">ethinyl oestradiol<\/span><\/td>\n<\/tr>\n<tr style=\"height: 34px;\">\n<td style=\"width: 50%; height: 34px; background-color: #e6f7ed;\"><span style=\"font-family: georgia, palatino, serif;\">clarithromycin*<\/span><\/td>\n<td style=\"width: 50%; height: 34px; background-color: #e6f7ed;\"><span style=\"font-family: georgia, palatino, serif;\">omeprazole<\/span><\/td>\n<\/tr>\n<tr style=\"height: 34px;\">\n<td style=\"width: 50%; height: 34px; background-color: #e6f7ed;\"><span style=\"font-family: georgia, palatino, serif;\">voriconazole<\/span><\/td>\n<td style=\"width: 50%; height: 34px; background-color: #e6f7ed;\"><span style=\"font-family: georgia, palatino, serif;\">nifedipine<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<ul style=\"list-style-type: disc;\">\n<li><span style=\"font-family: georgia, palatino, serif;\">Inducers of CYP3A4 may <em>increase <\/em>metabolism of tacrolimus and thus decrease blood levels, e.g.\u00a0\u00a0<\/span><\/li>\n<\/ul>\n<table style=\"height: 113px; width: 80%; border-collapse: collapse;\" border=\"1\">\n<tbody>\n<tr>\n<td style=\"width: 100%; background-color: #e6f7ed;\"><span style=\"font-family: georgia, palatino, serif;\">rifampicin<sup>*<\/sup><\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"width: 100%; background-color: #e6f7ed;\"><span style=\"font-family: georgia, palatino, serif;\">phenobarbitol<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"width: 100%; background-color: #e6f7ed;\">\u00a0<span style=\"font-family: georgia, palatino, serif;\">phenytoin<sup>*<\/sup><\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><span style=\"font-family: georgia, palatino, serif;\">*Drugs marked with an asterisk will require a dose adjustment of tacrolimus in nearly all patients. Other listed drugs may require dose adjustment only in individual cases.<\/span><\/p>\n<ul style=\"list-style-type: disc;\">\n<li><span style=\"font-family: georgia, palatino, serif;\">Tacrolimus itself has a powerful inhibitory effect on CYP3A4. Thus concomitant use of tacrolimus with drugs metabolised by CYP3A4 dependant pathways may affect the metabolism of such drugs. For this reason Ciclosporin A should not be co-prescribed with tacrolimus. Patients switched from ciclosporin to tacrolimus should receive the first tacrolimus dose at least 24 hours after the last ciclosporin dose.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-family: georgia, palatino, serif;\"><em><span style=\"color: #993300;\">Interactions due to cumulative toxicity\/synergistic effects:<\/span><\/em><\/span><\/p>\n<ul style=\"list-style-type: disc;\">\n<li><span style=\"font-family: georgia, palatino, serif;\">Concurrent use of tacrolimus with drugs known to have nephrotoxic or neurotoxic effects may increase the degree of toxicity. Enhanced nephrotoxicity has been observed with co-administration of:<\/span><\/li>\n<\/ul>\n<table style=\"width: 80%; border-collapse: collapse;\" border=\"1\">\n<tbody>\n<tr>\n<td style=\"width: 80%; background-color: #e6f7ed;\"><span style=\"font-family: georgia, palatino, serif;\">Ciclosporin A<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"width: 80%; background-color: #e6f7ed;\"><span style=\"font-family: georgia, palatino, serif;\">Amphotericin B<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"width: 80%; background-color: #e6f7ed;\"><span style=\"font-family: georgia, palatino, serif;\">Ibuprofen<\/span><\/td>\n<\/tr>\n<tr>\n<td style=\"width: 80%; background-color: #e6f7ed;\">\u00a0<span style=\"font-family: georgia, palatino, serif;\">Sirolimus (Rapamune)<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<ul style=\"list-style-type: disc;\">\n<li><span style=\"font-family: georgia, palatino, serif;\">As tacrolimus may cause hyperkalaemia, high potassium intake or potassium sparing diuretics should be avoided.<\/span><\/li>\n<\/ul>\n<p><span style=\"font-family: georgia, palatino, serif; color: #993300;\"><em><span style=\"color: #993300;\">Interactions due to plasma protein binding of tacrolimus:<\/span><\/em><\/span><\/p>\n<p><span style=\"font-family: georgia, palatino, serif;\">Tacrolimus is extensively bound (&gt;98%) to plasma proteins so competition with other highly protein bound drugs may result in displacement of either drug. This displacement may not be reflected in the blood levels of tacrolimus or other drugs. Therefore, dosage adjustment may not be needed unless clinical signs and symptoms suggest otherwise.<\/span><\/p>\n<p><span style=\"font-family: georgia, palatino, serif; color: #993300;\"><em><span style=\"color: #993300;\">Other interactions:<\/span><\/em><\/span><\/p>\n<ul style=\"list-style-type: disc;\">\n<li><span style=\"font-family: georgia, palatino, serif;\">Vaccinations may be less effective and the use of live attenuated vaccines should be avoided.<\/span><\/li>\n<li><span style=\"font-family: georgia, palatino, serif;\">Administration of tacrolimus with a meal of moderate fat content reduces the oral bioavailability of the drug.<\/span><\/li>\n<li><span style=\"font-family: georgia, palatino, serif;\">Complimentary medicines may cause a variety of interactions (See page 45).<\/span><\/li>\n<\/ul>\n<p><span style=\"font-family: georgia, palatino, serif;\">This is not a comprehensive list of potential interactions with tacrolimus. For further information please ask a member of staff or consult the transplant unit pharmacist.<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Tacrolimus (Adoport\/Advagraf \/Prograf) Current indication As the lead agent in standard triple therapy for all patients. Dosage Adoport 0.05mg\/kg twice daily (i.e. 0.1mg\/kg\/day in 2 divided doses) (normally between 2 mg and 5 mg bd). Preparation Adoport is available as 0.5 mg, 0.75mg, 1mg, 2mg and 5 mg capsules. Prograf\u2026<\/p>\n<p> <a class=\"continue-reading-link\" href=\"https:\/\/edren.org\/ren\/handbook\/transplant-handbook\/immunosuppressive-drugs\/tacrolimus\/\"><span>Continue reading<\/span><i class=\"crycon-right-dir\"><\/i><\/a> <\/p>\n","protected":false},"author":2,"featured_media":0,"parent":1568,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_lmt_disableupdate":"no","_lmt_disable":"","footnotes":""},"class_list":["post-1579","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/edren.org\/ren\/wp-json\/wp\/v2\/pages\/1579","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/edren.org\/ren\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/edren.org\/ren\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/edren.org\/ren\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/edren.org\/ren\/wp-json\/wp\/v2\/comments?post=1579"}],"version-history":[{"count":6,"href":"https:\/\/edren.org\/ren\/wp-json\/wp\/v2\/pages\/1579\/revisions"}],"predecessor-version":[{"id":6247,"href":"https:\/\/edren.org\/ren\/wp-json\/wp\/v2\/pages\/1579\/revisions\/6247"}],"up":[{"embeddable":true,"href":"https:\/\/edren.org\/ren\/wp-json\/wp\/v2\/pages\/1568"}],"wp:attachment":[{"href":"https:\/\/edren.org\/ren\/wp-json\/wp\/v2\/media?parent=1579"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}