Safety, Feasibility and Efficacy of Sulforaphane (Avmacol Extra Strength) in Chronic Kidney Disease

NCT ID: NCT05797506

Last Updated: 2025-08-13

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

ACTIVE_NOT_RECRUITING

Clinical Phase

PHASE2

Total Enrollment

100 participants

Study Classification

INTERVENTIONAL

Study Start Date

2023-05-03

Study Completion Date

2025-12-31

Brief Summary

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The Sulforaphane Production System® in Avmacol Extra Strength (ES) supplies broccoli seed extract (glucoraphanin) and Myrosimax® (Active Myrosinase Enzyme) which helps promote sulforaphane production in your body. The investigators hypothesize that daily intake of Avmacol ES can decrease kidney disease progression rate and decrease markers of oxidative stress and inflammation in Chronic Kidney Disease (CKD) patients. They will test this hypothesis in a randomized, double-blind, placebo controlled Phase 2 clinical trial. This proposed study has been funded by the National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK), R01 DK128677.

Detailed Description

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The investigators will test the safety and efficacy of Avmacol ES in Chronic Kidney Disease (CKD) patients. After having established a safe dose of 4 tablets once daily in participants with CKD Stages 3 - 4 in the pharmacokinetic (PK) phase, the investigators will enroll 100 participants from the Kidney Clinic at the University of Rochester Medical Center and Highland Hospital with CKD stages 3 - 4 who will be randomized to Avmacol ES or placebo in a 1:1 ratio in a blinded manner.

Conditions

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Chronic Kidney Disease Stage 3 Chronic Kidney Disease Stage 4

Study Design

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Allocation Method

RANDOMIZED

Intervention Model

PARALLEL

Primary Study Purpose

TREATMENT

Blinding Strategy

DOUBLE

Participants Investigators

Study Groups

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Sulforaphane (Avmacol Extra Strength)

Four tablets of Sulforaphane (Avmacol Extra Strength) per day. The tablets will be provided by Nutramax.

Group Type EXPERIMENTAL

Sulforaphane (Avmacol Extra Strength)

Intervention Type DRUG

4 Tablets of Sulforaphane (Avmacol Extra Strength) per day in patients with Chronic Kidney Disease, stages 3-4.

Placebo

Nutramax will provide the matched placebo tablets.

Group Type PLACEBO_COMPARATOR

Placebo

Intervention Type DIETARY_SUPPLEMENT

These tablets will be matched placebos and will be provided by Avmacol.

Interventions

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Sulforaphane (Avmacol Extra Strength)

4 Tablets of Sulforaphane (Avmacol Extra Strength) per day in patients with Chronic Kidney Disease, stages 3-4.

Intervention Type DRUG

Placebo

These tablets will be matched placebos and will be provided by Avmacol.

Intervention Type DIETARY_SUPPLEMENT

Eligibility Criteria

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Inclusion Criteria

* Age ≥ 18 years and ≤ 80 years
* Estimated glomerular filtration rate (eGFR) ≥ 20 and \< 60 mL/min/1.73m2 and a decline in eGFR of ≥ 3 ml/min/1.73m2 /year in the previous 12 ± 2 months
* Able to provide consent
* Able to swallow Avmacol ES or placebo capsules

Exclusion Criteria

* Significant co-morbid conditions with life expectancy of \< 1 year
* Serum potassium of \> 5.5 milliequivalents per liter (mEq/L) at screening
* New York Heart Association Class 3 or 4 heart failure symptoms, known Ejection Fraction (EF) ≤ 30% or hospital admission for heart failure within the past 3 months
* Factors judged to limit adherence to interventions based on appointment attendance and medication treatment compliance; PI will make this determination
* Current participation in another medical intervention study
* Known to be pregnant or planning to become pregnant or currently breastfeeding; determined by self-report and medical record history. A urine pregnancy test will be completed for individuals of childbearing potential before administering the study drug, and repeated thereafter at every study visit (\~ every 3-4 months)
* History of dementia documented in the medical record
* On anticoagulants or immunosuppression
* Under treatment for cancer
* Delayed gastric emptying or similar GI conditions Non-English-speaking individuals are excluded in this randomized phase of the study because the lack of English proficiency will affect a subject's ability to report problems or adverse events. If a patient cannot read, the consent form will be read to them by the research coordinator.
Minimum Eligible Age

18 Years

Maximum Eligible Age

80 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No

Sponsors

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University of Virginia

OTHER

Sponsor Role collaborator

Nutramax Laboratories, Inc.

INDUSTRY

Sponsor Role collaborator

National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK)

NIH

Sponsor Role collaborator

University of Rochester

OTHER

Sponsor Role lead

Responsible Party

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Thu Le

John J. Kuiper Distinguished Professor of Medicine & Chief, Division of Nephrology

Responsibility Role PRINCIPAL_INVESTIGATOR

Locations

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University of Rochester Medical Center

Rochester, New York, United States

Site Status

Countries

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United States

Other Identifiers

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R01DK128677

Identifier Type: NIH

Identifier Source: secondary_id

View Link

STUDY00008014

Identifier Type: -

Identifier Source: org_study_id

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