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Trial · NCT04884815

A Phase 1/2/3 Study of UX701 Gene Therapy in Adults With Wilson Disease

NCT04884815, Phase 1, Phase 2, Active not recruiting, Ultragenyx Pharmaceutical Inc

3 sourcestrials-2026-11-12-0.5.0

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ConductScience Library. A Phase 1/2/3 Study of UX701 Gene Therapy in Adults With Wilson Disease. Trials, record NCT04884815. Release trials-2026-11-12-0.5.0, 12 Nov 2026. https://conductscience.org/library/trials/NCT04884815

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Trial

As registered on ClinicalTrials.gov, in the graph's capture of the registry.

Title
A Phase 1/2/3 Study of UX701 Gene Therapy in Adults With Wilson Disease
NCT number
NCT04884815
Status
Active not recruiting
Phases
Phase 1, Phase 2
Enrollment
82 participants, estimated
Lead sponsor
Ultragenyx Pharmaceutical Inc
Conditions
Wilson Disease
Interventions
UX701, Standard of Care (SOC)
First posted
2021-05-13
Last updated
2026-09-25
Other registries' IDs
eudract:2020-005266-34

Source ClinicalTrials.gov

Registered outcomes19

Each outcome the trial registered, primary first, in ClinicalTrials.gov's words.

ListOutcomeTime frameDescription
Primary
Stage 1: Incidence of Treatment-Emergent Adverse Events (TEAEs), Treatment-Emergent Serious Adverse Events (TESAEs), Adverse Events of Special Interest (AESIs), Treatment-Related TEAEs, and Treatment-Related TESAEs
Up to Week 52
PrimaryStage 1: Change in 24-hour Urinary Copper Concentration from Baseline at Week 52Baseline, Week 52
PrimaryStage 1: Change in Total Copper from Baseline at Week 52Baseline, Week 52
PrimaryStage 1: Change in Ceruloplasmin-bound Copper from Baseline at Week 52Baseline, Week 52
PrimaryStage 1: Change in Ceruloplasmin from Baseline at Week 52Baseline, Week 52
PrimaryStage 1: Change in Non-Ceruloplasmin-bound Copper (NCC) from Baseline at Week 52Baseline, Week 52
PrimaryStage 1: Change in Free Copper from Baseline at Week 52Baseline, Week 52
PrimaryStage 1: Change in Ceruloplasmin Activity from Baseline at Week 52Baseline, Week 52
PrimaryStage 1: Percent Reduction in Standard of Care (SOC) Medication by Week 52Week 52
PrimaryStage 1: Number of Participants Who Discontinue SOC Medication by Week 52Week 52

Outcomes0

Each outcome the trial posted results for, in ClinicalTrials.gov's words.

None in this release.

Results by group0

Each measurement the trial posted, group by group, in the words and numbers it posted.

None in this release.

Participant flow0

How many started, completed or left each group, period by period.

None in this release.

Adverse events0

Each adverse event the trial posted, group by group: the participants affected out of those at risk.

None in this release.

Adverse event totals0

The totals the trial posted for each group.

None in this release.

Papers0

The papers the trial lists on ClinicalTrials.gov.

None in this release.

Grants0

The grants NIH RePORTER links to the trial, newest funded first: NIH's, and some of AHRQ's, CDC's, FDA's and VA's. Each shows its title, principal investigators, organization and funder in its newest year.

None in this release.

Trial comparisons0

Comparisons of the trial's two groups, calculated by ConductScience from the counts it posted.

None in this release.

Tests0

The ConductCognition tests this trial's registered outcomes name, as ScienceGraph matched them in trial-tests-2026-11-12-0.2.1.

None in this release.

Data dates

The day each source was copied for this release.

ClinicalTrials.gov
2026-11-12
ClinicalTrials.gov
Results, from AACT
2026-03-23
AACT
NIH grant links
2026-11-13
NIH RePORTER

Sources 3

  • ClinicalTrials.gov's posted results, through CTTI's AACTFreely available. Acknowledgement requested
  • ClinicalTrials.govNo license stated
  • NIH RePORTER's clinical studies and project filesPublic domain
Each source's terms
  • ClinicalTrials.gov's posted results, through CTTI's AACTClinicalTrials.gov data via Aggregate Analysis of ClinicalTrials.gov (AACT), CTTI. CTTI makes its materials freely available and requests acknowledgement. https://aact.ctti-clinicaltrials.org/documentation/299
  • ClinicalTrials.govnone stated
  • NIH RePORTER's clinical studies and project filesPublic domain (NIH RePORTER)

ClinicalTrials.gov's data carry an international copyright outside the United States: https://clinicaltrials.gov/about-site/terms-conditions.

For software

Read this trial from software.

The record and each of its lists are JSON, twenty rows a page. No key.

GET https://conductscience.org/api/trials/v1/NCT04884815

GET https://conductscience.org/api/trials/v1/NCT04884815/registered