NCT01379469

Brief Summary

The primary objective is to determine if the medication Carbamazepine, can be used as a therapy for patients with severe liver disease due to Alpha-1-Antitrypsin Deficiency .

Trial Health

57
Monitor

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Enrollment
20

participants targeted

Target at below P25 for phase_2

Timeline
Completed

Started Jan 2012

Longer than P75 for phase_2

Geographic Reach
1 country

3 active sites

Status
terminated

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

Click on a node to explore related trials.

Study Timeline

Key milestones and dates

First Submitted

Initial submission to the registry

June 15, 2011

Completed
8 days until next milestone

First Posted

Study publicly available on registry

June 23, 2011

Completed
6 months until next milestone

Study Start

First participant enrolled

January 1, 2012

Completed
5.1 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

February 1, 2017

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

February 1, 2017

Completed
4.7 years until next milestone

Results Posted

Study results publicly available

October 12, 2021

Completed
Last Updated

October 12, 2021

Status Verified

October 1, 2021

Enrollment Period

5.1 years

First QC Date

June 15, 2011

Results QC Date

September 9, 2021

Last Update Submit

October 7, 2021

Conditions

Keywords

Carbamazepine (Tegretol) usesevere liver diseasealpha-1-antitrypsin deficiency

Outcome Measures

Primary Outcomes (1)

  • The Primary Outcome Will be to Determine the Effect of Carbamazepine on Hepatic ATZ Load.

    The effect of Carbamazepine on hepatic ATZ load will be measured by the number of hepatocytes with PAS+/diastase-resistant globules and/or steady state levels of ATZ by immunoblot analysis.

    52 weeks

Secondary Outcomes (1)

  • For the Secondary Outcomes we Will Determine the Effect of Carbamazepine Treatment on Hepatic Fibrosis.

    52 weeks

Study Arms (2)

Drug-Carbamazepine (Tegretol XR)

ACTIVE COMPARATOR

One arm receives Drug-Carbamazepine (Tegretol XR).All subjects have severe liver disease due to alpha-1-antitrypsin deficiency.

Drug: Drug-Carbamazepine (Tegretol XR)

Drug-Carbamazepine (Tegretol XR) Placebo

PLACEBO COMPARATOR

One arm receives Carbamazepine (Tegretol-XR) placebo.All subjects have severe liver disease due to alpha-1-antitrypsin deficiency.

Drug: Carbamazepine (Tegretol XR) Placebo

Interventions

To reduce the likelihood of hypersensitivity reactions the subjects will be started on 400 mg/day in 2 doses and the dose will be increased weekly by 200mg/day until reaching a stable therapeutic concentration with a dose not exceeding 1200mg/day(or 1000mg/day in subjects less than 15 years of age). The CBZ tablets will be encapsulated..

Also known as: Tegretol-XR Carbamazepine extended release tablets., NDC 0078-0510-05.
Drug-Carbamazepine (Tegretol XR)

Carbamazepine (Tegretol XR)Placebo-the subjects will be started on 400mg/day in 2 doses and the dose will be increased weekly by 200 mg/day until reaching a dose not exceeding 1200 mg/day (or 1000 mg/day in subjects less than 15 years of age). The placebo group will receive encapsulated tables without Carbamazepine.

Also known as: Carbamazepine (Tegretol-XR) placebo.
Drug-Carbamazepine (Tegretol XR) Placebo

Eligibility Criteria

Age14 Years - 80 Years
Sexall
Healthy VolunteersNo
Age GroupsChild (0-17), Adult (18-64), Older Adult (65+)

You may qualify if:

  • Age greater than or equal to 14 years to less than or equal to 80 years of age.
  • Alpha-1-Antitrypsin deficiency confirmed by ZZ or SZ phenotype \& serum level
  • \< 83mg/dl.
  • HVPG greater than or equal to 10 mmHg unless collateral vessels are visualized via transvenous biopsy.

You may not qualify if:

  • Child Pugh Score greater than or equal to 12. Serum total bilirubin \> 5 mg/dl. INR \> 2.2.

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (3)

Washington University in St. Louis School of Medicine

St Louis, Missouri, 63110, United States

Location

Children's Hospital of Pittsburgh, UPMC

Pittsburgh, Pennsylvania, 15201, United States

Location

University of Pittsburgh Medical Center, Presbyterian Hospital

Pittsburgh, Pennsylvania, 15213, United States

Location

Related Publications (48)

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    BACKGROUND
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  • Silverman GA, Pak SC, Perlmutter DH. Disorders of protein misfolding: alpha-1-antitrypsin deficiency as prototype. J Pediatr. 2013 Aug;163(2):320-6. doi: 10.1016/j.jpeds.2013.03.077. Epub 2013 May 8. No abstract available.

MeSH Terms

Conditions

alpha 1-Antitrypsin DeficiencyLiver CirrhosisLiver Diseases

Interventions

Carbamazepine

Condition Hierarchy (Ancestors)

Digestive System DiseasesLung DiseasesRespiratory Tract DiseasesGenetic Diseases, InbornCongenital, Hereditary, and Neonatal Diseases and AbnormalitiesSubcutaneous EmphysemaEmphysemaPathologic ProcessesPathological Conditions, Signs and SymptomsFibrosis

Intervention Hierarchy (Ancestors)

DibenzazepinesHeterocyclic Compounds, 3-RingHeterocyclic Compounds, Fused-RingHeterocyclic Compounds

Limitations and Caveats

The primary \& secondary outcomes could not be assessed because the number of subjects with available pre \& post biopsies was insufficient in subject number and sample quality to conduct the analyses. As described in more detail in Outcome Measures. .

Results Point of Contact

Title
David Rudnick MD, PhD- Associate Professor
Organization
Washington University School of Medicine

Study Officials

  • David H. Perlmutter, M.D.

    Washington University School of Medicine

    PRINCIPAL INVESTIGATOR

Publication Agreements

PI is Sponsor Employee
Yes
Restrictive Agreement
No

Study Design

Study Type
interventional
Phase
phase 2
Allocation
RANDOMIZED
Masking
QUADRUPLE
Who Masked
PARTICIPANT, CARE PROVIDER, INVESTIGATOR, OUTCOMES ASSESSOR
Purpose
TREATMENT
Intervention Model
PARALLEL
Sponsor Type
OTHER
Responsible Party
SPONSOR

Study Record Dates

First Submitted

June 15, 2011

First Posted

June 23, 2011

Study Start

January 1, 2012

Primary Completion

February 1, 2017

Study Completion

February 1, 2017

Last Updated

October 12, 2021

Results First Posted

October 12, 2021

Record last verified: 2021-10

Data Sharing

IPD Sharing
Will share

We will share data and liver tissue with other researchers. They may be doing research in areas similar to this research or in other unrelated areas. These researchers may be at Washington University, at other research centers and institutions, or industry sponsors of research. We may also share research data with large data repositories (a repository is a database of information) for broad sharing with the research community. If individual research data is placed in one of these repositories only qualified researchers, who have received prior approval from individuals that monitor the use of the data, will be able to look at the information.

Locations