Migalastat

Chemical formula: C₆H₁₃NO₄  Molecular mass: 163.172 g/mol  PubChem compound: 176077

Interactions

Migalastat interacts in the following cases:

Fertility

The effects of migalastat on fertility in humans have not been studied. Transient and fully reversible infertility in male rats was associated with migalastat treatment at all doses assessed. Complete reversibility was seen after 4 weeks off-dose. Similar findings have been noted pre-clinically following treatment with other iminosugars. Migalastat did not affect fertility in female rats.

Pregnancy

There are limited data from the use of migalastat in pregnant women. In rabbits, developmental toxicity was observed only at maternally toxic doses. Migalastat is not recommended during pregnancy.

Nursing mothers

It is not known whether migalastat is secreted in human milk. However, migalastat has been shown to be expressed in the milk of lactating rats. Accordingly, a risk of migalastat exposure to the breast-feeding infant cannot be excluded. A decision must be made whether to discontinue breast-feeding or to discontinue migalastat, taking into account the benefit of breast-feeding for the child relative to the benefit of therapy for the mother.

Carcinogenesis, mutagenesis and fertility

Women of childbearing potential/Contraception in males and females

Migalastat is not recommended in women of childbearing potential not using contraception.

Fertility

The effects of migalastat on fertility in humans have not been studied. Transient and fully reversible infertility in male rats was associated with migalastat treatment at all doses assessed. Complete reversibility was seen after 4 weeks off-dose. Similar findings have been noted pre-clinically following treatment with other iminosugars. Migalastat did not affect fertility in female rats.

Effects on ability to drive and use machines

Migalastat has no or negligible influence on the ability to drive and use machines.

Adverse reactions


Summary of the safety profile

The most common adverse reaction was headache, which was experienced by approximately 10% of patients who received migalastat.

List of adverse reactions

Frequencies are defined as: 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) and not known (cannot be estimated from the available data). Within each frequency grouping, adverse reactions are presented in order of decreasing frequency within each System Organ Class.

Adverse reactions with migalastat in clinical trials:

Psychiatric disorders

Common: Depression

Nervous system disorders

Very common: Headache

Common: Paraesthesia, Dizziness, Hypoaesthesia

Ear and labyrinth disorders

Common: Vertigo

Cardiac disorders

Common: Palpitations

Respiratory, thoracic, and mediastinal disorders

Common: Dyspnoea, Epistaxis

Gastrointestinal disorders

Common: Diarrhoea, Nausea, Abdominal pain, Constipation, Dry mouth, Defaecation urgency, Dyspepsia

Skin and subcutaneous tissue disorders

Common: Rash, Pruritus

Musculoskeletal and connective tissue disorders

Common: Muscle spasms, Myalgia, Torticollis, Pain in extremity

Renal and urinary disorders

Common: Proteinuria

General disorders and administration site conditions

Common: Fatigue, Pain

Investigations

Common: Blood Creatine Phosphokinase increased, Weight increased

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