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Efficacy and Safety, Long-term Study of Zinc Acetate to Treat Wilson's Disease in Japan.

Phase3, Open-Label, Clinical Trial of Zinc Acetate for Treatment of Wilson's Disease in Japan.

Status
Completed
Phases
Phase 3
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT00212355
Enrollment
37
Registered
2005-09-21
Start date
2005-03-31
Completion date
2009-01-31
Last updated
2025-03-05

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

Conditions

Wilson's Disease

Brief summary

The purpose of this long-term study is to determine whether Zinc Acetate is effective and safe in the treatment of Wilson's disease among Japanese.

Detailed description

Wilson disease is an autosomal recessive disorder with copper metabolism. In Japan, the standard treatment is the use of copper chelating agents, such as D-penicillamine and trientine. In this study, we investigate efficacy on zinc acetate in Japanese patients with Wilson disease.

Interventions

DRUGNPC-02

zinc acetate

Sponsors

Nobelpharma
Lead SponsorINDUSTRY

Study design

Allocation
NA
Intervention model
SINGLE_GROUP
Primary purpose
TREATMENT
Masking
NONE

Eligibility

Sex/Gender
ALL
Age
1 Years to No maximum
Healthy volunteers
No

Inclusion criteria

* Wilson's disease(adult, infant, pregnant woman)

Exclusion criteria

* Acute hepatitis * Malignant tumor

Design outcomes

Primary

MeasureTime frameDescription
Safety and EfficacyDuring study period (up to 96W )Number of patients who have at least one adverse events. ALT Change

Participant flow

Participants by arm

ArmCount
NPC-02
zinc acetate NPC-02: zinc acetate
37
Total37

Withdrawals & dropouts

PeriodReasonFG000
Overall StudyA change of address1
Overall StudyAdverse Event1
Overall StudyWithdrawal by Subject1

Baseline characteristics

CharacteristicNPC-02
Age, Customized
≥16
20 participants
Age, Customized
≥1 - <6
2 participants
Age, Customized
≥6 - <16
15 participants
Sex: Female, Male
Female
24 Participants
Sex: Female, Male
Male
13 Participants

Adverse events

Event typeEG000
affected / at risk
deaths
Total, all-cause mortality
— / —
other
Total, other adverse events
37 / 37
serious
Total, serious adverse events
4 / 37

Outcome results

Primary

Safety and Efficacy

Number of patients who have at least one adverse events. ALT Change

Time frame: During study period (up to 96W )

Population: The analysis was performed based on FAS population

ArmMeasureValue (NUMBER)
NPC-02Safety and Efficacy37 participants

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026