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Safety and Neuroprotective Effects of Polyphenon E in MS; Phase II

Phase 2 Randomized Placebo Controlled Trial of Polyphenon E in MS

Status
Terminated
Phases
Phase 2
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT01451723
Acronym
POEMS
Enrollment
11
Registered
2011-10-14
Start date
2011-07-31
Completion date
2013-02-28
Last updated
2014-03-14

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

Conditions

Multiple Sclerosis

Keywords

Multiple Sclerosis, Polyphenon E, Green tea, EGCG, Epigallocatechin-galleate, Placebo, Randomized controlled trial

Brief summary

The hypothesis is that Polyphenon E can protect brain cells in patients with Multiple Sclerosis. To test this hypothesis we are going to compare the changes in n-Acetyl-Aspartate (a chemical that reflects the number of neurons and their metabolism) over one year between people with MS treated with Polyphenon E at a dose of 400mg twice a day and people with MS treated with a matching sugar pill.

Detailed description

This will be a double blind placebo controlled trial of Polyphenon E as a treatment for MS. The primary outcome will be the changes in NAA levels over one year. Secondary outcomes will be changes in brain atrophy over one year. As an exploratory outcome we will correlate changes in NAA levels with free Plasma levels of EGCG 8 hours after the morning dose. Exploratory outcomes include disability progression by EDSS, MS functional composite components and a cognitive test battery.

Interventions

Polyphenon E is a standardized green tea extract. For this study we will use capsules of Polyphenon E containing 200 mg of EGCG per capsule. Subjects will take two capsules twice a day with food.

OTHERPlacebo

Matching placebo capsules

Sponsors

National Center for Complementary and Integrative Health (NCCIH)
CollaboratorNIH
Louisiana State University Health Sciences Center in New Orleans
Lead SponsorOTHER

Study design

Allocation
NON_RANDOMIZED
Intervention model
PARALLEL
Primary purpose
TREATMENT
Masking
QUADRUPLE (Subject, Caregiver, Investigator, Outcomes Assessor)

Eligibility

Sex/Gender
ALL
Age
18 Years to 60 Years
Healthy volunteers
No

Inclusion criteria

* Diagnosis of MS by McDonald criteria * Relapsing-remitting MS or secondary progressive MS * Stable therapy with Copaxone, Rebif, Betaseron or Avonex 30 mcg for at least six months * EDSS Score less than or equal to 7.0 * Ages 18-60. * Participants must have normal organ and marrow function as defined below: 1. Leukocytes ≥3,000/µL 2. Absolute neutrophil count ≥1,500/µL 3. Platelets ≥100,000/µL 4. Total bilirubin ≤local upper limit of normal 5. AST (SGOT) ≤local upper limit of normal 6. ALT (SGPT) ≤local upper limit of normal 7. Creatinine ≤local upper limit of normal

Exclusion criteria

* MS relapse within the 30 days prior to enrollment * A primary progressive form of MS. * Previous treatment prior to study entry as follows: complete radiation ablation of the bone marrow or anti-CD4 antibody treatment (Campath) at any time; mitoxantrone, cyclophosphamide, Natalizumab or other immunomodulatory or immunosuppressant therapies except the DMT's included in the inclusion criteria and methylprednisone for relapses within prior nine months. * History of renal or liver disease. * Consumption of green tea or supplements containing green tea or tea extract within 30 days prior to enrollment. * Participants may not participate in any other clinical trial involving investigational agents during the study, or within six months prior to enrolling in the study. * History of allergic reactions attributed to compounds of similar chemical or biologic composition to Polyphenon E, tea, or any of the inactive ingredients present in the active or placebo capsules, including gelatin. * History of allergic reactions to gadolinium or any other condition contraindicated for MRI. * Uncontrolled, clinically-relevant active illness (aside from MS) including, but not limited to, ongoing or active infection, symptomatic congestive heart failure, unstable angina pectoris, cardiac arrhythmia, or psychiatric illness/social situations that would limit compliance with study requirements. * Any condition which would make the subject, in the opinion of the investigator, unsuitable for the study * Inability to complete the baseline MRI scan * Pregnant women * Any underlying predisposition to gastrointestinal bleeding (peptic ulcer disease, gastritis, diverticulitis, colitis, hemorrhoids)

Design outcomes

Primary

MeasureTime frameDescription
Rate of Change in NAA Levels Adjusted for Water Content.1 yearThe rate of change will be calculated using all the time points available )baseline, 6 and 12 months) using a mixed model analysis with the Log NAA as the dependent variable and water content, %grey matter, %white matter, %CSF and % lesion volume as covariates. All the voxels available for each subject where estimates have a SD \<30 will be used. A spatial anysotropic exponential covariance structure will be used.

Secondary

MeasureTime frameDescription
Brain Atrophy1 yearDifference between the two groups in brain atrophy as measured by SIENA

Countries

United States

Participant flow

Participants by arm

ArmCount
Polyphenon E 400mg Twice a Day
Two capsules of Polyphenon E containing 200mg of EGCG each taken twice a day with food. Polyphenon E: Polyphenon E is a standardized green tea extract. For this study we will use capsules of Polyphenon E containing 200 mg of EGCG per capsule. Subjects will take two capsules twice a day with food.
6
Placebo
Matching placebo capsules. Placebo: Matching placebo capsules
5
Total11

Withdrawals & dropouts

PeriodReasonFG000FG001
Overall Studystudy halted65

Baseline characteristics

CharacteristicPolyphenon E 400mg Twice a DayPlaceboTotal
Age, Categorical
<=18 years
0 Participants0 Participants0 Participants
Age, Categorical
>=65 years
0 Participants0 Participants0 Participants
Age, Categorical
Between 18 and 65 years
6 Participants5 Participants11 Participants
Age, Continuous49.6 years
STANDARD_DEVIATION 6.2
47 years
STANDARD_DEVIATION 7.6
48.2 years
STANDARD_DEVIATION 6.9
Ethnicity (NIH/OMB)
Hispanic or Latino
0 Participants0 Participants0 Participants
Ethnicity (NIH/OMB)
Not Hispanic or Latino
6 Participants5 Participants11 Participants
Ethnicity (NIH/OMB)
Unknown or Not Reported
0 Participants0 Participants0 Participants
Race (NIH/OMB)
American Indian or Alaska Native
0 Participants0 Participants0 Participants
Race (NIH/OMB)
Asian
0 Participants0 Participants0 Participants
Race (NIH/OMB)
Black or African American
0 Participants0 Participants0 Participants
Race (NIH/OMB)
More than one race
0 Participants0 Participants0 Participants
Race (NIH/OMB)
Native Hawaiian or Other Pacific Islander
0 Participants0 Participants0 Participants
Race (NIH/OMB)
Unknown or Not Reported
0 Participants0 Participants0 Participants
Race (NIH/OMB)
White
6 Participants5 Participants11 Participants
Region of Enrollment
United States
6 participants5 participants11 participants
Sex: Female, Male
Female
4 Participants5 Participants9 Participants
Sex: Female, Male
Male
2 Participants0 Participants2 Participants

Adverse events

Event typeEG000
affected / at risk
EG001
affected / at risk
deaths
Total, all-cause mortality
— / —— / —
other
Total, other adverse events
5 / 60 / 5
serious
Total, serious adverse events
1 / 60 / 5

Outcome results

Primary

Rate of Change in NAA Levels Adjusted for Water Content.

The rate of change will be calculated using all the time points available )baseline, 6 and 12 months) using a mixed model analysis with the Log NAA as the dependent variable and water content, %grey matter, %white matter, %CSF and % lesion volume as covariates. All the voxels available for each subject where estimates have a SD \<30 will be used. A spatial anysotropic exponential covariance structure will be used.

Time frame: 1 year

Population: No subjects completed either the six or twelve month point so no data was available for analysis.

Secondary

Brain Atrophy

Difference between the two groups in brain atrophy as measured by SIENA

Time frame: 1 year

Source: ClinicalTrials.gov · Data processed: Mar 5, 2026