Hetlioz · 4.1 Therapeutic indications · 1

HOS-097273 · has-adverse-reaction-information · PDF-Seite 5

Summary of the safety profile The most common adverse reactions (>3%) during clinical trials were headache (10.4%), somnolence (8.6%), nausea (4.0%), and dizziness (3.1%). The most frequently reported adverse reactions were mostly mild to moderate in severity and transient in nature. Adverse reactions leading to discontinuation occurred in 2.3% of tasimelteon-treated patients. The most frequent adverse reactions leading to discontinuation were: somnolence (0.23%), nightmare (0.23%), and headache (0.17%). Tabulated list of adverse reactions The following are adverse reactions that were reported in tasimelteon-treated adult patients, derived from patient trials in 1772 patients treated with tasimelteon. The following terms and frequencies are applied and presented by MedDRA System Organ Class: Very common (≥1/10); Common (≥1/100 to <1/10); Uncommon (≥1/1,000 to <1/100); Rare (≥1/10,000 to <1/1,000); Very rare (<1/10,000). Within each frequency grouping, adverse reactions are presented in order of decreasing seriousness. Table 1: Summary of Adverse Drug Reactions System Organ Class Very common Common Uncommon Sleep disorder, insomnia, Psychiatric disorders Nightmare abnormal dreams Nervous system Headache Somnolence, dizziness Dysguesia disorders Ear and labyrinth Tinnitus disorders Gastrointestinal Dyspepsia, nausea, dry disorders mouth Renal and urinary Pollakiuria disorders General disorders and administrative site Fatigue Foggy feeling in head conditions Aspartate aminotransferase Alanine aminotransferase Investigations increased, gamma-glutamyl increased

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HOS-097269 · has-contraindication-information · PDF-Seite 3

Hypersensitivity to the active substance or to any of the excipients listed in section 6.1.

HOS-097268 · has-indication-information · PDF-Seite 2

HETLIOZ is indicated for the treatment of Non-24-Hour Sleep-Wake Disorder (Non-24) in totally blind adults.

HOS-097271 · has-interaction-information · PDF-Seite 3

Potential for other medicinal products to affect tasimelteon CYP1A2 and CYP3A4 are enzymes identified to play a role in the metabolism of tasimelteon, with a minor role for CYP2C9/C19. Medicinal products that inhibit CYP1A2 and CYP3A4 have been shown to alter the metabolism of tasimelteon in vivo. 3 Strong CYP1A2 inhibitors (e.g. fluvoxamine, ciprofloxacin and enoxacin) Caution should be used when administering tasimelteon in combination with fluvoxamine or other strong CYP1A2 inhibitors such as ciprofloxacin and enoxacin because of a potentially large increase in tasimelteon exposure and greater risk of adverse reactions: the AUC0-inf and Cmax of tasimelteon increased by 7-fold and 2-fold, respectively, when co-administered with fluvoxamine 50 mg (after 6 days of fluvoxamine 50 mg per day). This is deemed even more important for strong CYP1A2 inhibitors also inhibiting other enzymes involved in the clearance of tasimelteon (e.g. fluvoxamine and ciprofloxacin). Strong CYP3A4 inhibitors (e.g. ketoconazole) Tasimelteon exposure was increased by approximately 50% when co-administered with ketoconazole 400 mg (after 5 days of ketoconazole 400 mg per day). The clinical relevance of this single factor is unclear, but with increased exposure caution is recommended to monitor the patient. Strong CYP3A4 inducers (e.g. rifampin) Use of tasimelteon should be avoided in combination with rifampin or other CYP3A4 inducers because of a potentially large decrease in tasimelteon exposure with reduced efficacy: the exposure of tasimelteon decreased by approximately 90% when co-administered with rifampin 600 mg (after 11 days of rifampin 600 mg per day). Smoking (moderate CYP1A2 inducer) Tasimelteon exposure decreased by approximately 40% in smokers compared to non-smokers (see section 5.2). The patient should be instructed to cease or reduce smoking while taking tasimelteon. Beta blockers The efficacy of tasimelteon may be reduced in patients with concomitant administration of beta adrenergic receptor antagonists. Monitoring of efficacy is recommended where if efficacy is not achieved by a patient on beta blocker medication, the physician may consider whether a substitution of another non-beta-blocker medication for the beta blocker is warranted or discontinue the use of Hetlioz. Potential effect of alcohol on tasimelteon In a study of 28 healthy volunteers, a single dose of ethanol (0.6 g/kg for women and 0.7

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HOS-097272 · has-pregnancy-information · PDF-Seite 4

Pregnancy There are no or limited amount of data from the use of tasimelteon in pregnant women. In animal studies, administration of tasimelteon during pregnancy resulted in developmental toxicity (embryofoetal mortality, neurobehavioural impairment, and decreased growth and development in offspring) at doses greater than those used clinically. As a precautionary measure, it is preferable to avoid the use of tasimelteon during pregnancy. Breast-feeding It is unknown whether tasimelteon/metabolites are excreted in human milk. A risk to the breast-fed child cannot be excluded. A decision must be made whether to discontinue breast-feeding or to discontinue/abstain from tasimelteon therapy taking into account the benefit of breast-feeding for the child and the benefit of therapy for the woman. Fertility 4 There are no data on the effects of tasimelteon on human fertility. Reproductive and developmental toxicity studies showed that oestrous cycles were prolonged in rats treated with high doses of tasimelteon, with no effect on mating performance or male fertility, and only a marginal effect on female fertility.

HOS-097270 · has-warning-information · PDF-Seite 3

After taking tasimelteon, patients should limit their activity to preparing for going to bed. Caution should be used when administering tasimelteon in combination with fluvoxamine or other strong CYP1A2 inhibitors, particularly those which also inhibit other enzymes involved in the clearance of tasimelteon because of a potentially large increase in tasimelteon exposure and greater risk of adverse reactions (see section 4.5). Caution should be used when administering tasimelteon in combination with rifampin or other CYP3A4 inducers because of a potentially large decrease in tasimelteon exposure with reduced efficacy (see section 4.5). Patients should be instructed to initiate tasimelteon treatment without regard to circadian phase. Physicians should evaluate patient response to tasimelteon 3 months after treatment initiation utilising a clinician interview to assess their overall functioning with an emphasis on sleep-wake complaints. Excipients HETLIOZ hard capsules contain lactose. Patients with rare hereditary problems of galactose intolerance, total lactase deficiency or glucose-galactose malabsorption should not take this medicinal product. HETLIOZ hard capsules contain the azo colouring agent Orange Yellow S (E110), which may cause allergic reactions. This medicinal product contains less than 1 mmol sodium (23 mg) per hard capsule, that is to say essentially ‘sodium-free’.