About this trial
A phase 2a trial randomized, double-blind, placebo-controlled, parallel group trial to determine whether NMN administration improves DKD, as indicated by a significantly greater reduction in UACR compared with placebo administration. Eligible participants will be randomized to receive either 1000 mg NMN or placebo twice daily.
Eligibility criteria
This trial does not accept healthy volunteersQualifiers
A man or a postmenopausal woman (complete cessation of menses for one or more years and /or FSH > 20 U/L), 30 years or older
Self-report of type 1 or type 2 diabetes plus the use of a prescribed medication.
ICD-10 code for type 1 or type 2 diabetes plus current use of a medication in the electronic medical record.
HbA1c >6.4%; or 2 fasting glucose > 125 mg/dL
Disqualifiers
Fasting morning UACR > 5,000 mg/ g creatinine
Has AST or ALT > 3 times the upper limit of normal
eGFR < 25 mL/ min / 1.73 m2
Hematocrit < 0.34 or > 0.50 L/L
Trial design
Parallel
Treatments tested in this trial
Investigational Product - MIB 626
DrugThe eligible participants will be assigned to receive either NMN or placebo using concealed block randomization in a 1:1 ratio, stratified by sex (male, female), age (60 to 75, \>75 years) and trial site. The randomization list will be generated by the unblinded biostatistician using the software R (www.r-project.org), and deployed in a secure, centralized web-based application accessible to study staff following confirmation of a participant's eligibility.
Placebo
DrugPlacebo - Participants randomized to placebo will receive Matching placebo tablets will be provided by Metro International Biotech, LLC.
Treatment groups
Trial outcomes
Primary outcomes
The primary endpoint is the change from baseline in UACR over the 6-month intervention period.
To determine whether treatment with a microcrystalline formulation of β nicotinamide mononucleotide (βNMN) in older adults with DKD improves urinary albumin to creatinine excretion ratio (UACR), compared to placebo.
Secondary outcomes
Assess the proportion of participants in the two study arms with 30% or greater reduction in UACR
In supportive analysis of the primary outcome, the investigator will compare the proportion of participants in the two study arms with 30% or greater reduction in UACR
Assess the change from baseline over the 6-month intervention period in biomarkers of kidney injury.
Compared to placebo treatment, NMN treatment of older adults with DKD will assess for improvements in biomarkers of kidney injury in association with DKD prognosis by measuring KIM-1 and STNFR1 combinedly.
Change from baseline in the levels of serum creatinine over 6-month intervention period
To determine whether NMN treatment is associated with change in serum creatinine from baseline to 24 weeks between the two study arms.
Change from baseline in the levels of cystine C over 6-month intervention period.
To determine whether NMN treatment is associated with change in cystatin C from baseline to 24 weeks between the two study arms.
Sponsors and contacts
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Brigham and Women's Hospital
Lead sponsor
Boston Medical Center
Collaborator