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An Early Phase Study of DCR-PH1 in Patients with an Inherited Disorder Resulting in Overproduction of Oxalate

A Phase 1 Study of DCR-PH1 in Patients with Primary Hyperoxaluria Type 1 (PH1)

Status
Active, not recruiting
Phases
Phase 1
Study type
Interventional
Source
EU CTR
Registry ID
EUCTR2015-003142-51-GB
Enrollment
42
Registered
2015-10-06
Start date
2016-04-11
Completion date
Unknown
Last updated
2019-06-30

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Primary Hyperoxaluria Type 1 MedDRA version: 18.0 Level: PT Classification code 10020703 Term: Hyperoxaluria System Organ Class: 10038359 - Renal and urinary disorders

Interventions

Product Name: DCR-PH1 Pharmaceutical Form: Concentrate for solution for injection INN or Proposed INN: Not Yet Assigned CAS Number: NA C

Sponsors

Dicerna Pharmaceuticals, Inc.
Lead Sponsor

Eligibility

Sex/Gender
All

Inclusion criteria

Inclusion criteria: 1. Male or female, at least 12 years of age at the time of obtaining informed consent. 2. Diagnosis of PH1, confirmed by genotyping for homozygosity or compound heterozygosity in the AGXT gene (historically available genotype information is acceptable for study eligibility). 3. 24-hour urine oxalate excretion = 0.7 mmol per 1.73 m2 BSA. 4. eGFR = 40 mL/min normalized to 1.73 m2 BSA calculated using the Modification of Diet in Renal Disease (MDRD) formula in adults (age = 18 years), or the formula by Schwartz in patients 12 to =65 years) no F.1.3.1 Number of subjects for this age range

Exclusion criteria

Exclusion criteria: 1. Prior renal and/or hepatic transplantation. 2. History of clinical signs and symptoms of systemic oxalosis other than nephrolithiasis or nephrocalcinosis. 3. Participation in any clinical study involving administration of any investigational drug within the 30 days before enrollment (NOTE: participation in PHYOS observational study is allowed). 4. Pregnancy or lactation at the time of screening or enrollment. 5. Sexually active females of childbearing potential (FOCBP) who are not using a highly effective contraception method and men with a fertile FOCBP partner who are unable or unwilling to use a highly effective contraception method (see Section 8.4). 6. Patients with a known history of human immunodeficiency virus (HIV), or active infection with hepatitis B virus or hepatitis C virus. 7. Moderate or severe hepatic impairment (Child-Pugh class B or C) 8. Liver function test abnormalities: alanine transaminase (ALT) and/or aspartate transaminase (AST) > 2 times upper limit of normal (ULN). 9. Active alcohol or substance abuse within 60 days prior to enrollment. 10. Prolonged QTc = 450 msec for males or QTc = 470 msec for females, at baseline as assessed by either Bazett’s or Fredericia’s correction methods. 11. Clinically significant prior cardio-respiratory disease, such as myocardial infarction within 6 months due to obstructive coronary artery disease, third degree atrioventricular block or uncontrolled rhythm disturbances, active cardiomyopathy (i.e., symptomatic left ventricular dysfunction), or chronic heart failure (CHF) New York Heart Association (NYHA) Class =III, or documented moderate or more severe chronic obstructive pulmonary disease (COPD) (ie forced expiratory volume in during the first second [FEV1] < 80% predicted). 12. Major surgery or interventional procedure within 30 days prior to study entry, or patients with an inadequate recovery from any surgical or interventional procedure. 13. History of severe reaction to a liposomal product or a known hypersensitivity to lipid products. For Part B (MAD portion), patients with a Grade 3 or higher adverse reaction during Part A (SAD portion) will not be eligible to participate. 14. Unable to collect 24-hour urine samples or follow other study procedures. 15. Any disorder or alteration in mental status that would preclude understanding of the informed consent process and/or completion of the study-related evaluations. 16. Any significant illness, organ system dysfunction, or other condition that, in the opinion of the Investigator, would interfere with the patient’s ability to comply with the protocol requirements, including the ability to attend all visits and undergo all assessments.

Design outcomes

Primary

MeasureTime frame
Main Objective: To determine the safety and tolerability of DCR-PH1 administered via IV infusion to patients with PH1.; Secondary Objective: To study the pharmacokinetics of DCR-PH1 To study the pharmacodynamic effects of DCR-PH1 including, but not limited to changes in plasma and urine oxalate and glycolate levels ; Primary end point(s): Safety and tolerability as determined by number of subjects with adverse events ; Timepoint(s) of evaluation of this end point: SAD: Adverse events to be collected from Day 1 through EOS or Day 29 (±1 day). MAD: Adverse events to be collected from Day 1 through EOS or Day 85 (±1 day).

Secondary

MeasureTime frame
Secondary end point(s): 1) Determination of pharmacokinetics parameters 2) Change in plasma levels from baseline (BL) to each time point of oxalate and glycolate 3) Change in urine levels from baseline (BL) of oxalate, oxalate to creatinine ratio and glycolate ; Timepoint(s) of evaluation of this end point: 1) Plasma samples to be collected: SAD: Before DCR-PH1 administration on Day 1, and at ca. 60 min after the start of infusion, at the end of infusion; at 30, 120, 240, 360 and 480 min after end of infusion; at Days 2, 3, 8 (±1 day), 15 (±1 d), 22 (±1 d), 29 (±1 d) MAD: Before DCR-PH1 administration and at ca. 60 min after the start of infusion, at the end of infusion; at 30, 120, 240, 360 and 480 min after end of infusion on Day 1; on Days 2, 3, 8 (±1 day), 22 (±1 d), 29 (±1 d), 57 (±1 d) 2) Plasma samples to be collected: SAD: Days 1 (BL), 15 (±1 day), 22 (±1 d), 29 (±1 d) MAD: Days 1 (BL), 22(±1 day), 29 (±1 d), 57(±1 d), 85 (±1 d) 3) Urine samples to be collected: SAD: Scr (BL), days 8(±1 day), 15(±1 d), 22 (±1 d) MAD: Scr(BL), days 22(±1 day), 29(±1 d), 57(±1 d), 78(±1 d)

Countries

France, Germany, Israel, Netherlands, United Kingdom, United States

Contacts

Public ContactClinical Operations

Dicerna Pharmaceuticals, Inc.

bfielman@dicerna.com0016176126253

Outcome results

None listed

Source: EU CTR (via WHO ICTRP) · Data processed: Feb 4, 2026