A Trial for the Treatment of Cardiac AL-Amyloidosis With the Green Tea Compound Epigallocatechin-3-gallate (TAME-AL)

NCT ID: NCT02015312

Last Updated: 2017-10-17

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

COMPLETED

Clinical Phase

PHASE2

Total Enrollment

38 participants

Study Classification

INTERVENTIONAL

Study Start Date

2013-04-30

Study Completion Date

2017-10-11

Brief Summary

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Efficacy and safety of epigallocatechin-3-gallate (EGCG) in patients with cardiac amyloid light-chain (AL) amyloidosis. Evaluation of clinical efficacy of EGCG intake using a pretest posttest comparison of left ventricular amyloid mass (g/m2) measured by cardiac MRI.

Detailed Description

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Conditions

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Light Chain (AL) Amyloidosis Cardiac Involvement

Keywords

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Amyloidosis

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

TREATMENT

Blinding Strategy

QUADRUPLE

Participants Caregivers Investigators Outcome Assessors

Study Groups

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Epigallocatechin-3-gallate (EGCG)

EGCG 400 mg/d p.o. for 3 months; 800 mg/d p.o. for 3 months, 1200 mg/d p.o. for 6 months

Group Type EXPERIMENTAL

Epigallocatechin-3-gallate (EGCG)

Intervention Type DRUG

Pharmaceutical formulation: capsules

Dose:

400 mg/d for 3 months; 800 mg/d for 3 months, 1200 mg/d for 6 months Route of administration: p.o. Treatment duration: 12 months

Placebo

capsules

Dose:

400 mg/d for 3 months; 800 mg/d for 3 months, 1200 mg/d for 6 months Route of administration: p.o. Treatment duration: 12 months

Group Type PLACEBO_COMPARATOR

Placebo

Intervention Type DRUG

Pharmaceutical formulation: capsules

Dose:

400 mg/d for 3 months; 800 mg/d for 3 months, 1200 mg/d for 6 months Route of administration: p.o. Treatment duration: 12 months

Interventions

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Epigallocatechin-3-gallate (EGCG)

Pharmaceutical formulation: capsules

Dose:

400 mg/d for 3 months; 800 mg/d for 3 months, 1200 mg/d for 6 months Route of administration: p.o. Treatment duration: 12 months

Intervention Type DRUG

Placebo

Pharmaceutical formulation: capsules

Dose:

400 mg/d for 3 months; 800 mg/d for 3 months, 1200 mg/d for 6 months Route of administration: p.o. Treatment duration: 12 months

Intervention Type DRUG

Other Intervention Names

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Epigallocatechin gallate EGCG Epigallocatechin 3-gallate Tea catechin Epigallocatechin-3-gallate Mannitol 99.5% + highly dispersed silicon dioxide 0.5%

Eligibility Criteria

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Inclusion Criteria

* Biopsy proven systemic AL amyloidosis.
* Cardiac involvement with septum thickness more than 12 mm (without other causes as published by Gertz et al., hypertension or other potential causes of left ventricular hypertrophy)
* Previously treated with chemotherapy, induced at least a very good partial remission of the underlying monoclonal plasma cell or B cell disorder.
* GPT and GOT less than 3-times ULN.
* Life expectancy more than 12 month.
* Ability of subject to understand character and individual consequences of the clinical trail.
* Written informed consent.
* For women with childbearing potential and men, adequate contraception.

Exclusion Criteria

* Age less than 18 years.
* Concomitant multiple myeloma stage 2 and 3 (Salmon and Durie)
* Concurrent chemotherapy necessary
* Time to last chemotherapy more than 6 months.
* Chronic liver disease, Bilirubin over 1,5 mg/dl
* Not able to visit Amyloidosis Clinic in Heidelberg every 3 months.
* History of hypersensitivity to the investigational product or to any substance with similar chemical structure or to any excipient present in the pharmaceutical form of the investigational medicinal product.
* Participation in other clinical trials or observation period of competing trials, respectively.
* Pregnant or nursing women.
Minimum Eligible Age

18 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No

Sponsors

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German Federal Ministry of Education and Research

OTHER_GOV

Sponsor Role collaborator

Florian Michel

OTHER

Sponsor Role lead

Responsible Party

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Florian Michel

Study Coordinator

Responsibility Role SPONSOR_INVESTIGATOR

Principal Investigators

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Stefan Schönland, MD

Role: PRINCIPAL_INVESTIGATOR

University Hospital of Heidelberg

Locations

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University Hospital of Heidelberg; Medical Department V

Heidelberg, Baden-Wurttemberg, Germany

Site Status

Countries

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Germany

Other Identifiers

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2012-004520-38

Identifier Type: EUDRACT_NUMBER

Identifier Source: secondary_id

TAME-AL

Identifier Type: -

Identifier Source: org_study_id