CBZ: Carbamazepine in Severe Liver Disease Due to Alpha-1 Antitrypsin Deficiency
Study Details
Study Description
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 .
Condition or Disease | Intervention/Treatment | Phase |
---|---|---|
|
Phase 2 |
Detailed Description
The primary objective is to determine if Carbamazepine therapy in patients with severe liver disease due to Alpha-1-Antitrypsin Deficiency leads to a significant reduction in the hepatic accumulation of ATZ.
The other objectives are:
To determine whether Carbamazepine treatment reduces hepatic fibrosis in alpha-1-antitrypsin deficient patients with severe liver disease. To determine whether Carbamazepine treatment reduces portal pressure in alpha-1-antitrypsin deficient patients with severe liver disease. To determine whether Carbamazepine treatment is safe and tolerated by patients with severe liver disease caused by alpha-1-deficiency. To determine whether Carbamazepine treatment leads to stabilization in disease severity as measured by the MELD scores.
Study Design
Arms and Interventions
Arm | Intervention/Treatment |
---|---|
Active Comparator: Drug-Carbamazepine (Tegretol XR) One arm receives Drug-Carbamazepine (Tegretol XR).All subjects have severe liver disease due to alpha-1-antitrypsin deficiency. |
Drug: Drug-Carbamazepine (Tegretol XR)
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..
Other Names:
|
Placebo Comparator: Drug-Carbamazepine (Tegretol XR) Placebo One arm receives Carbamazepine (Tegretol-XR) placebo.All subjects have severe liver disease due to alpha-1-antitrypsin deficiency. |
Drug: Carbamazepine (Tegretol XR) Placebo
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.
Other Names:
|
Outcome Measures
Primary Outcome Measures
- The Primary Outcome Will be to Determine the Effect of Carbamazepine on Hepatic ATZ Load. [52 weeks]
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.
Secondary Outcome Measures
- For the Secondary Outcomes we Will Determine the Effect of Carbamazepine Treatment on Hepatic Fibrosis. [52 weeks]
For the secondary outcomes we will determine the effect of Carbamazepine treatment on hepatic fibrosis on the basis of sirius red staining and hydroxyproline concentration and whether Carbamazepine treatment changes portal pressure as determined by Hepatic Venous Pressure Gradient.
Eligibility Criteria
Criteria
Inclusion Criteria:
-
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.
Exclusion Criteria:
- Child Pugh Score greater than or equal to 12. Serum total bilirubin > 5 mg/dl. INR > 2.2.
Contacts and Locations
Locations
Site | City | State | Country | Postal Code | |
---|---|---|---|---|---|
1 | Washington University in St. Louis School of Medicine | Saint Louis | Missouri | United States | 63110 |
2 | Children's Hospital of Pittsburgh, UPMC | Pittsburgh | Pennsylvania | United States | 15201 |
3 | University of Pittsburgh Medical Center, Presbyterian Hospital | Pittsburgh | Pennsylvania | United States | 15213 |
Sponsors and Collaborators
- Washington University School of Medicine
- Novartis
- National Institutes of Health (NIH)
- National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)
- University of Pittsburgh
Investigators
- Principal Investigator: David H. Perlmutter, M.D., Washington University School of Medicine
Study Documents (Full-Text)
More Information
Additional Information:
Publications
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- 201510060-PRO09070279
- 1R21DK092567-01
Study Results
Participant Flow
Recruitment Details | |
---|---|
Pre-assignment Detail |
Arm/Group Title | Drug-Carbamazepine (Tegretol XR) | Drug-Carbamazepine (Tegretol XR) Placebo |
---|---|---|
Arm/Group Description | One arm receives Drug-Carbamazepine (Tegretol XR).All subjects have severe liver disease due to alpha-1-antitrypsin deficiency. Drug-Carbamazepine (Tegretol XR): 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. | One arm receives Carbamazepine (Tegretol-XR) placebo.All subjects have severe liver disease due to alpha-1-antitrypsin deficiency. Carbamazepine (Tegretol XR) Placebo: 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. |
Period Title: Overall Study | ||
STARTED | 13 | 7 |
COMPLETED | 1 | 3 |
NOT COMPLETED | 12 | 4 |
Baseline Characteristics
Arm/Group Title | Drug-Carbamazepine (Tegretol XR) | Drug-Carbamazepine (Tegretol XR) Placebo | Total |
---|---|---|---|
Arm/Group Description | One arm receives Drug-Carbamazepine (Tegretol XR).All subjects have severe liver disease due to alpha-1-antitrypsin deficiency. Drug-Carbamazepine (Tegretol XR): 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, and the placebo group will receive encapsulated tablets without CBZ. | One arm receives Carbamazepine (Tegretol-XR) placebo.All subjects have severe liver disease due to alpha-1-antitrypsin deficiency. Carbamazepine (Tegretol XR) Placebo: 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. | Total of all reporting groups |
Overall Participants | 13 | 7 | 20 |
Age (Count of Participants) | |||
<=18 years |
0
0%
|
1
14.3%
|
1
5%
|
Between 18 and 65 years |
13
100%
|
3
42.9%
|
16
80%
|
>=65 years |
0
0%
|
3
42.9%
|
3
15%
|
Age (years) [Mean (Standard Deviation) ] | |||
Mean (Standard Deviation) [years] |
50.7
(9.4)
|
53.7
(19.6)
|
51.75
(13.38)
|
Sex: Female, Male (Count of Participants) | |||
Female |
5
38.5%
|
3
42.9%
|
8
40%
|
Male |
8
61.5%
|
4
57.1%
|
12
60%
|
Race (NIH/OMB) (Count of Participants) | |||
American Indian or Alaska Native |
0
0%
|
0
0%
|
0
0%
|
Asian |
0
0%
|
0
0%
|
0
0%
|
Native Hawaiian or Other Pacific Islander |
0
0%
|
0
0%
|
0
0%
|
Black or African American |
0
0%
|
0
0%
|
0
0%
|
White |
13
100%
|
7
100%
|
20
100%
|
More than one race |
0
0%
|
0
0%
|
0
0%
|
Unknown or Not Reported |
0
0%
|
0
0%
|
0
0%
|
Region of Enrollment (participants) [Number] | |||
United States |
13
100%
|
7
100%
|
20
100%
|
Outcome Measures
Title | The Primary Outcome Will be to Determine the Effect of Carbamazepine on Hepatic ATZ Load. |
---|---|
Description | 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. |
Time Frame | 52 weeks |
Outcome Measure Data
Analysis Population Description |
---|
The primary outcome was not assessable because the number of subjects with available pre & post PAS+/diastase stained liver biopsies & tissue for immunoblot was insufficient in subject number and sample quality. To elaborate only 3 subjects had both pre & post biopsies stained for PAS, 2 from the placebo & 1 from the Carbamazepine arms & the available histology quality was insufficient for histomorphormetry. Frozen liver samples were also of insufficient number & mass for immunoblot. |
Arm/Group Title | Drug-Carbamazepine (Tegretol XR) | Drug-Carbamazepine (Tegretol XR) Placebo |
---|---|---|
Arm/Group Description | One arm receives Drug-Carbamazepine (Tegretol XR).All subjects have severe liver disease due to alpha-1-antitrypsin deficiency. Drug-Carbamazepine (Tegretol XR): 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, and the placebo group will receive encapsulated tablets without CBZ. | One arm receives Carbamazepine (Tegretol-XR) placebo.All subjects have severe liver disease due to alpha-1-antitrypsin deficiency. Carbamazepine (Tegretol XR) Placebo: 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. |
Measure Participants | 0 | 0 |
Title | For the Secondary Outcomes we Will Determine the Effect of Carbamazepine Treatment on Hepatic Fibrosis. |
---|---|
Description | For the secondary outcomes we will determine the effect of Carbamazepine treatment on hepatic fibrosis on the basis of sirius red staining and hydroxyproline concentration and whether Carbamazepine treatment changes portal pressure as determined by Hepatic Venous Pressure Gradient. |
Time Frame | 52 weeks |
Outcome Measure Data
Analysis Population Description |
---|
The secondary outcome was also not assessable because the number of subjects with available pre & post trichrome stained liver biopsies & tissue for hydroxyproline was also insufficient in subject number and sample quality. Again only 3 subjects had both pre & post biopsies stained for trichrome, 2 placebo- & 1 Carbamazepine treated. Available histology quality was also insufficient here for histomorphormetry &.frozen liver samples insufficient for hydroxyproline determination. |
Arm/Group Title | Drug-Carbamazepine (Tegretol XR) | Drug-Carbamazepine (Tegretol XR) Placebo |
---|---|---|
Arm/Group Description | One arm receives Drug-Carbamazepine (Tegretol XR).All subjects have severe liver disease due to alpha-1-antitrypsin deficiency. Drug-Carbamazepine (Tegretol XR): 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, and the placebo group will receive encapsulated tablets without CBZ. | One arm receives Carbamazepine (Tegretol-XR) placebo.All subjects have severe liver disease due to alpha-1-antitrypsin deficiency. Carbamazepine (Tegretol XR) Placebo: 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. |
Measure Participants | 0 | 0 |
Adverse Events
Time Frame | Serious Adverse Events and Adverse Events were collected for 52 weeks. | |||
---|---|---|---|---|
Adverse Event Reporting Description | ||||
Arm/Group Title | Drug-Carbamazepine (Tegretol XR) | Drug-Carbamazepine (Tegretol XR) Placebo | ||
Arm/Group Description | One arm receives Drug-Carbamazepine (Tegretol XR).All subjects have severe liver disease due to alpha-1-antitrypsin deficiency. Drug-Carbamazepine (Tegretol XR): 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, and the placebo group will receive encapsulated tablets without CBZ. | One arm receives Carbamazepine (Tegretol-XR) placebo.All subjects have severe liver disease due to alpha-1-antitrypsin deficiency. Carbamazepine (Tegretol XR) Placebo: 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. | ||
All Cause Mortality |
||||
Drug-Carbamazepine (Tegretol XR) | Drug-Carbamazepine (Tegretol XR) Placebo | |||
Affected / at Risk (%) | # Events | Affected / at Risk (%) | # Events | |
Total | 0/13 (0%) | 2/7 (28.6%) | ||
Serious Adverse Events |
||||
Drug-Carbamazepine (Tegretol XR) | Drug-Carbamazepine (Tegretol XR) Placebo | |||
Affected / at Risk (%) | # Events | Affected / at Risk (%) | # Events | |
Total | 6/13 (46.2%) | 4/7 (57.1%) | ||
Blood and lymphatic system disorders | ||||
Hematologic | 1/13 (7.7%) | 1 | 0/7 (0%) | 0 |
Cardiac disorders | ||||
Cardiac | 1/13 (7.7%) | 1 | 1/7 (14.3%) | 2 |
Gastrointestinal disorders | ||||
Gastrointestinal | 2/13 (15.4%) | 3 | 2/7 (28.6%) | 2 |
General disorders | ||||
Pain | 2/13 (15.4%) | 3 | 1/7 (14.3%) | 1 |
Constitutional | 4/13 (30.8%) | 6 | 0/7 (0%) | 0 |
Infections and infestations | ||||
Infection | 2/13 (15.4%) | 4 | 2/7 (28.6%) | 2 |
Metabolism and nutrition disorders | ||||
Metabolic/Laboratory | 1/13 (7.7%) | 1 | 0/7 (0%) | 0 |
Respiratory, thoracic and mediastinal disorders | ||||
Pulmonary | 1/13 (7.7%) | 2 | 1/7 (14.3%) | 2 |
Vascular disorders | ||||
Vascular | 2/13 (15.4%) | 2 | 0/7 (0%) | 0 |
Other (Not Including Serious) Adverse Events |
||||
Drug-Carbamazepine (Tegretol XR) | Drug-Carbamazepine (Tegretol XR) Placebo | |||
Affected / at Risk (%) | # Events | Affected / at Risk (%) | # Events | |
Total | 13/13 (100%) | 7/7 (100%) | ||
Blood and lymphatic system disorders | ||||
Hematologic | 3/13 (23.1%) | 4 | 1/7 (14.3%) | 1 |
Cardiac disorders | ||||
Cardiac | 1/13 (7.7%) | 2 | 3/7 (42.9%) | 4 |
Endocrine disorders | ||||
Endocrine | 3/13 (23.1%) | 3 | 1/7 (14.3%) | 1 |
Gastrointestinal disorders | ||||
Gastrointestinal | 9/13 (69.2%) | 35 | 5/7 (71.4%) | 13 |
General disorders | ||||
Constitutional | 12/13 (92.3%) | 63 | 7/7 (100%) | 17 |
Pain | 8/13 (61.5%) | 15 | 5/7 (71.4%) | 8 |
Hepatobiliary disorders | ||||
Child-Pugh Score Increase | 1/13 (7.7%) | 1 | 1/7 (14.3%) | 2 |
Infections and infestations | ||||
Infection | 7/13 (53.8%) | 16 | 3/7 (42.9%) | 5 |
Metabolism and nutrition disorders | ||||
Metabolic/Laboratory | 3/13 (23.1%) | 3 | 2/7 (28.6%) | 3 |
Musculoskeletal and connective tissue disorders | ||||
Musculoskeletal | 7/13 (53.8%) | 12 | 3/7 (42.9%) | 5 |
Nervous system disorders | ||||
Neurologic | 10/13 (76.9%) | 31 | 3/7 (42.9%) | 5 |
Renal and urinary disorders | ||||
Genitourological | 3/13 (23.1%) | 3 | 2/7 (28.6%) | 2 |
Reproductive system and breast disorders | ||||
Gynecological | 2/13 (15.4%) | 2 | 1/7 (14.3%) | 1 |
Respiratory, thoracic and mediastinal disorders | ||||
Pulmonary | 4/13 (30.8%) | 9 | 4/7 (57.1%) | 5 |
Skin and subcutaneous tissue disorders | ||||
Dermatologic | 2/13 (15.4%) | 2 | 2/7 (28.6%) | 4 |
Vascular disorders | ||||
Vascular | 5/13 (38.5%) | 5 | 1/7 (14.3%) | 1 |
Limitations/Caveats
More Information
Certain Agreements
All Principal Investigators ARE employed by the organization sponsoring the study.
There is NOT an agreement between Principal Investigators and the Sponsor (or its agents) that restricts the PI's rights to discuss or publish trial results after the trial is completed.
Results Point of Contact
Name/Title | David Rudnick MD, PhD- Associate Professor |
---|---|
Organization | Washington University School of Medicine |
Phone | 314-286-2832 |
rudnick_d@wustl.edu |
- 201510060-PRO09070279
- 1R21DK092567-01