Clareo Health | A Study Investigate the Safety, Tolerability, Pharmacokinetic, and Pharmacodynamic Response of SLN124 in Adults With Alpha/Beta-thalassaemia and Very Low- and Low-risk Myelodysplastic Syndrome
A Study Investigate the Safety, Tolerability, Pharmacokinetic, and Pharmacodynamic Response of SLN124 in Adults With Alpha/Beta-thalassaemia and Very Low- and Low-risk Myelodysplastic Syndrome
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Keep this study
Lead
Silence Therapeutics plc
Age
18–any
Sex
ALL
Healthy volunteers
Not accepted
You may be eligible if
Adult with alpha- or beta-thalassaemia or compound heterozygous haemoglobin E/beta-thalassaemia or adult with very low- or low-risk MDS according to the 2016 revision to the World Health Organisation classification.
All subjects must agree to adhere to appropriate contraception requirements.
Subjects must provide written informed consent and be able to comply with all study requirements.
Body mass index ≥18 kg/m2 and ≤35 kg/m2 at screening.
At least one of: a) Mean ferritin \>250 μg/L based on a minimum of 2 measurements ≥1 week apart within 20 days before the planned dosing day, in the absence of active significant infection; b) Mean TSAT \>40% measured on a minimum of 2 occasions ≥1 week apart within 20 days before the planned dosing day; c) Liver iron \>3 mg Fe/g dry weight, measured according to local procedures.
Mean baseline haemoglobin concentration ≥5 g/dL and ≤11 g/dL, based on a minimum of 2 measurements ≥1 week apart, within 20 days before the planned dosing day.
You may not be if
Adult with haemoglobin S/alpha-thalassaemia or haemoglobin S/beta-thalassaemia or adult with secondary MDS, i.e., MDS that is known to have arisen because of chemical injury or treatment with chemotherapy and/or radiation for another disease.
History of multiple drug allergies or history of allergic reaction to an oligonucleotide or GalNAc, or intolerance to s.c. injections.
Known infection with HIV, or active infectious hepatitis A, B, or C virus.
Any conditions which, in the opinion of the Investigator, would make the subject unsuitable for enrolment in the study or could interfere with the subject's participation in, or completion of the study.
History or clinical evidence of alcohol or illegal drug misuse within 2 years before screening.
Currently using ESA, or plan to use ESA at any point during the study.
Require daily treatment with 1 or more non-steroidal anti-inflammatory drugs during the study period. Paracetamol will be permitted for use as an antipyretic and/or analgesic.
Treatment, or change in treatment with prohibited medications as specified in the protocol
Treatment with ICT where the subject has not been on a stable dose for at least 8 weeks before screening or it is planned to initiate ICT therapy during the study.
Clinically significant cardiac disease
Clinically significant pulmonary disease
For subjects with thalassaemia:
Treatment, or change in treatment with prohibited medications as specified in the protocol
currently and anticipated to receiving more than 5 units of RBCs during the 24 weeks to 6 weeks period before first dose of study drug.
For subjects with very low / low-risk MDS:
Previous allogeneic or autologous stem cell transplantation.
Currently or planned to receive treatment with a corticosteroid for MDS within 8 weeks before screening.
Currently or planned to receive treatment with haematopoietic growth factors (e.g., eltrombopag, romiplostim) within 8 weeks before screening.
