About this trial
The goal of this expanded access program is to provide bitopertin to patients with EPP and XLP who have no satisfactory treatment options available in the US and to learn if bitopertin is safe to treat EPP and XLP.
Eligibility criteria
This trial does not accept healthy volunteersQualifiers
Written informed consent (and assent where applicable).
Age ≥12 years at time of request.
Diagnosis of erythropoietic protoporphyria (EPP) or X-linked protoporphyria (XLP), confirmed by ferrochelatase (FECH) or aminolevulinic acid synthase 2 (ALAS2) genotyping or by biochemical porphyrin analysis. Prior confirmation is acceptable; re-testing is not required if documentation of prior diagnosis is available.
Hemoglobin ≥10 g/dL at baseline.
Disqualifiers
Known hypersensitivity to bitopertin or its excipients.
Patients with AST or ALT ≥3 × upper limit of normal (ULN), or total bilirubin ≥2 × ULN (unless due to Gilbert syndrome), or albumin below the lower limit of normal at screening.
Patients with a history of liver transplantation or anticipated need for liver transplantation.
Pregnancy, planned pregnancy during the program, or breastfeeding.
Trial design
Treatments tested in this trial
DISC-1459
DrugDISC-1459, 60 mg oral dose once a day
Treatment groups
Trial outcomes
This trial has no outcomes listed.Sponsors and contacts
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