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Active, not recruitingNCT04982393BONAPH1DEUpdated Oct 6, 2026

BONAPH1DE, A Prospective Observational Study of Patients With Primary Hyperoxaluria Type 1 (PH1)

An observational study in Primary Hyperoxaluria Type 1, sponsored by Alnylam Pharmaceuticals. Active, not recruiting at 30 sites in 11 countries. Per ClinicalTrials.gov, last updated 2026-10-06.

Sponsored by Alnylam Pharmaceuticals · Observational

Study type
Observational
Model
Cohort
Time perspective
Prospective
Enrollment
207
Sex
All
01

Study summary

The purpose of this study is to describe the natural history and progression of patients diagnosed with PH1, and to characterize the long-term real-world safety and effectiveness of lumasiran.

02

Conditions studied

  • Primary Hyperoxaluria Type 1

Keywords

  • PH1
  • Lumasiran
  • Primary Hyperoxaluria Type 1
03

In context

Lead sponsor

Alnylam Pharmaceuticals is the lead sponsor of 82 studies on the registry; 20 are open to participants now.

Of its 17 completed or terminated interventional studies of FDA-regulated products, 14 (82%) have results posted.

Counted across the registry records on this site, refreshed daily.

04

Who can participate

Ages eligible
Child (0–17), Adult (18–64), Older adult (65+)
Sexes eligible
All
Accepts healthy volunteers
No
Sampling method
Non-probability sample

Study population

Patients diagnosed with PH1 will be managed and treated per routine clinical practice.

Inclusion criteria

  • Documented diagnosis of PH1, per physician's determination

Exclusion criteria

Exclusion Criteria:

  • Currently enrolled in a clinical trial for any investigational agent
05

Study design

Observational model
Cohort
Time perspective
Prospective
Enrollment
207 participants (actual)
Patient registry
No

Groups and cohorts

  • Patients with PH1

    Patients with a diagnosis of PH1 will be eligible for the study and will be managed and treated per routine clinical practice.

06

What researchers measure

Primary outcomes

  1. Incidence of Adverse Events in Lumasiran Treated Patients

    Time frame: Up to 7 years

Secondary outcomes

  1. Incidence of Selected Events of Interest in PH1 Patients

    Selected events of interest are defined as hepatic events, kidney stones, acute kidney injury events, nephrocalcinosis, chromic kidney disease, kidney failure, and any cardiac, bone, skin, eye, hematological, or neuropathic manifestations due to oxalosis.

    Time frame: Up to 7 years

  2. 12-Item Short Form Health Survey Version 2 (SF-12 V2) (Standard Version)

    SF-12 V2 is a 12-question measure capturing global quality of life and overall health status and evaluates the following 8 domains: physical functioning, role physical, bodily pain, general health, vitality, social functioning, role emotional, and mental health.

    Time frame: Up to 7 years

  3. Change in Urinary Oxalate Excretion

    Time frame: Baseline and every 12 months for up to 7 years

  4. Change in Plasma Oxalate

    Time frame: Baseline and every 12 months for up to 7 years

07

Study locations

30 sites
  • Clinical Trial Site
    Phoenix, Arizona 85016, United States
  • Clinical Trial Site
    Washington D.C., District of Columbia 20010, United States
  • Clinical Trial Site
    Boston, Massachusetts 02115, United States
  • Clinical Trial Site
    Rochester, Minnesota 55905, United States
  • Clinical Trial Site
    Cincinnati, Ohio 45229, United States
  • Clinical Trial Site
    Pittsburgh, Pennsylvania 15213, United States
  • Clinical Trial Site
    Dallas, Texas 75390, United States
  • Clinical Trial Site
    Houston, Texas 77030, United States
  • Clinical Trial Site
    Ghent, Belgium
  • Clinical Trial Site
    Liège, Belgium
  • Clinical Trial Site
    Hamilton, Ontario, Canada
  • Clinical Trial Site
    Toronto, Ontario, Canada
  • Clinical Trial Site
    Laurier, Quebec, Canada
  • Clinical Trial Site
    Bordeaux, France
  • Clinical Trial Site
    Lyon, France
  • Clinical Trial Site
    Paris, France
  • Clinical Trial Site
    Berlin, Germany
  • Clinical Trial Site
    Cologne, Germany
  • Clinical Trial Site
    Hamburg, Germany
  • Clinical Trial Site
    Jerusalem, Israel
  • Clinical Trial Site
    Orbassano, Torino, Italy
  • Clinical Trial Site
    Milan, Italy
  • Clinical Trial Site
    Verona, Italy
  • Clinical Trial Site
    Amsterdam, Netherlands
  • Clinical Trial Site
    Santa Cruz de Tenerife, Canary Islands, Spain
  • Clinical Trial Site
    Barcelona, Spain
  • Clinical Trial Site
    Las Palmas, Spain
  • Clinical Trial Site
    Bern, Switzerland
  • Clinical Trial Site
    London, England, United Kingdom
  • Clinical Trial Site
    London, United Kingdom
08

References and documents

Individual participant data

Plan to share: No

No publications or documents are linked to this record.

09

Updates

1 registry update since Sep 25, 2026
Minor edits
Nothing that changes what the study is or who can join. Edited: verification date
1 update, last Oct 6, 2026
Show all 1 update
  1. Oct 6, 2026
    Minor edits only
    + 1 other change: verification date

From the registry record's own update history. This site started tracking changes on Sep 25, 2026; for anything earlier, see the record history on ClinicalTrials.gov ↗

10

Registry details

Key details

Study ID
NCT04982393
Lead sponsor
Alnylam Pharmaceuticals
Responsible party
Sponsor
First posted
Jul 29, 2021
Start date
Dec 13, 2021
Primary completion
Jan 2, 2029 (estimated)
Completion
Jan 2, 2029 (estimated)
Last update
Oct 6, 2026

Study contacts

Medical Director
study director · Alnylam Pharmaceuticals

Oversight

Data monitoring committee
No
FDA-regulated drug
No
FDA-regulated device
No
View the source record on ClinicalTrials.gov ↗

Not currently enrolling

This study is active, not recruiting, as verified in Oct 2026. You cannot join it, but the record below documents what was studied.

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