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ong Term Extension Study in Patients With Primary Hyperoxaluria

Phase 3
Conditions
Primary Hyperoxaluria Type 1 (PH1)Primary Hyperoxaluria Type 2 (PH2)Kidney DiseasesUrologic DiseasesGenetic Disease
Kidney Diseases
T51.2
Registration Number
LBCTR2020124677
Lead Sponsor
Dicerna Pharmaceuticals, Inc.
Brief Summary

Not available

Detailed Description

Not available

Recruitment & Eligibility

Status
Other
Sex
All
Target Recruitment
50
Inclusion Criteria

Key Inclusion Criteria:

•Participant successfully completed a Dicerna Pharmaceuticals, Inc. study of DCR PHXC.

OR Participant is the sibling of a participant who successfully completed a Dicerna Pharmaceuticals, Inc. study of DCR PHXC. Siblings must be younger than 18 years of age and must have genetically confirmed PH.

•For participants rolling over from a multidose study of DCR-PHXC, enrollment should occur within a window of 25 to 60 days from the last dose of study intervention. Estimated GFR at screening = 30 mL/min normalized to 1.73 m2 body surface area (BSA), calculated using Chronic Kidney Disease Epidemiology Collaboration (CKD EPI) formula in participants aged = 18 years (Levey & Stevens, 2010), or the formula by Schwartz in participants aged 6 to 16 years (Schwartz et al., 2009; National Kidney Foundation, 2002). In Japan, the formula by Uemura et al. will be used for participants aged 6 to 17 years (Uemura et al., 2014).

Exclusion Criteria

Key exclusion criteria include:
• Renal or hepatic transplantation; prior or planned within the study period
• Current dialysis
• Documented evidence of clinical manifestations of systemic oxalosis (including pre-existing retinal, heart, or skin calcifications, or history of severe bone pain, pathological fractures, or bone deformations).

Study & Design

Study Type
Interventional
Study Design
Not specified
Primary Outcome Measures
NameTimeMethod
ame: To evaluate the effect of DCR PHXC on estimated glomerular filtration rate ;Timepoints: Annual change from baseline;Measure: estimated glomerular filtration rate
Secondary Outcome Measures
NameTimeMethod
ame: The incidence and severity of treatment-emergent adverse events (TEAE) and SAEs associated with abnormal 12 lead electrocardiogram (ECG) readings;Timepoints: TEAEs and SAEs are evaluated monthly for 3 years;Measure: Electrocardiogram (ECG)
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