Actively Recruiting

Phase 2
All Genders
NCT04580420

Safety & Efficacy of DCR-PHXC in Patients With PH1 and ESRD

Led by Dicerna Pharmaceuticals, Inc., a Novo Nordisk company · Updated on 2025-12-24

28

Participants Needed

18

Research Sites

563 weeks

Total Duration

On this page

AI-Summary

What this Trial Is About

The aim of this study is to evaluate DCR-PHXC in participants with PH1 and severe renal impairment, with or without dialysis.

CONDITIONS

Official Title

Safety & Efficacy of DCR-PHXC in Patients With PH1 and ESRD

Who Can Participate

All Genders

Eligibility Criteria

Eligible

You may qualify if you...

  • Participants must be younger than 6 years of age
  • Participants will be enrolled in one of four age groups: adults and adolescents (12 years and older), children aged 6 to 11 years, children aged 2 to 5 years, and infants or newborns from birth to less than 2 years
  • Confirmed diagnosis of Primary Hyperoxaluria Type 1 by genetic testing
  • Estimated kidney function (GFR) below 30 mL/min per 1.73 m² at screening
  • Average of two plasma oxalate measurements above 20 micromol/L during screening
  • For dialysis patients, total dialysis duration must be less than 24 months and stable for at least 2 weeks before screening
  • Both male and female participants are eligible
  • Male participants with female partners of childbearing potential must agree to use contraception during treatment and for 12 weeks after last dose, and avoid sperm donation during this time
  • Female participants must not be pregnant or breastfeeding and either not be of childbearing potential or agree to use contraception during treatment and for 12 weeks after last dose
  • Participants or their legal guardians must be able to give informed consent and comply with study requirements
  • Adolescents aged 12 to under 18 years must provide written assent
  • Children under 12 years assent will follow local regulations
  • Participants must be affiliated with or beneficiaries of a health insurance system if required by local law
Not Eligible

You will not qualify if you...

  • Previous liver transplant or scheduled liver transplant within 6 months of Day 1 (kidney transplant allowed)
  • Evidence of severe systemic oxalosis, including retinal, heart, or skin calcifications, severe bone pain, fractures, or bone deformities
  • Conditions or illnesses that could interfere with study compliance or safety, such as severe illness, active liver disease, or non-PH causes of kidney failure
  • History of drug abuse or excessive alcohol intake in the last 2 years
  • Use of RNA interference drugs or DCR-PHXC within the past 6 months
  • History of serious reactions to oligonucleotide therapies, including severe thrombocytopenia, liver toxicity, severe flu-like symptoms, severe skin reactions, or blood clotting problems
  • Participation in other clinical trials with investigational drugs (except DCR-PHXC) within 4 months before screening
  • Abnormal liver function tests exceeding 1.5 times the upper normal limit for age and gender
  • Positive test for anti-double-stranded DNA antibodies at screening
  • Known allergy to DCR-PHXC or its ingredients
  • Inability or unwillingness to follow study procedures and lifestyle guidelines

AI-Screening

AI-Powered Screening

Complete this quick 3-step screening to check your eligibility

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Trial Site Locations

Total: 18 locations

1

Clinical Trial Site

San Francisco, California, United States, 94143

Active, Not Recruiting

2

Clinical Trial Site

Boston, Massachusetts, United States, 02115

Active, Not Recruiting

3

Clinical Trial Site

Rochester, Minnesota, United States, 55905

Actively Recruiting

4

Clinical Trial Site

New York, New York, United States, 10016

Active, Not Recruiting

5

Clinical Trial Site

Bron, France, 69677

Withdrawn

6

Clinical Trial Site

Paris, France, 75019

Withdrawn

7

Clinical Trial Site

Bonn, Germany, 53127

Actively Recruiting

8

Clinical Trial Site

Heidelberg, Germany, 69120

Withdrawn

9

Clinical Trial Site

Roma, Italy, 00165

Withdrawn

10

Clinical Trial Site

Beirut, Lebanon, 00001

Actively Recruiting

11

Clinical Trial Site

Casablanca, Morocco, 2025

Withdrawn

12

Clinical Trial Site

Oradea, Romania, 410469

Withdrawn

13

Clinical Trial Site

Oradea, Romania, 410562

Withdrawn

14

Clinical Trial Site

Barcelona, Spain, 08035

Actively Recruiting

15

Clinical Trial Site

Santa Cruz de Tenerife, Spain, 38320

Withdrawn

16

Clinical Trial Site

Dubai, United Arab Emirates, +971

Actively Recruiting

17

Clinical Trial Site

London, United Kingdom, NWG 2Q3

Withdrawn

18

Clinical Trial Site

London, United Kingdom, WC1N3JH

Actively Recruiting

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Research Team

N

Novo Nordisk

CONTACT

How is the study designed?

Study Type

INTERVENTIONAL

Masking

NONE

Allocation

NA

Model

SEQUENTIAL

Primary Purpose

TREATMENT

Number of Arms

1

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