A Study to Evaluate the Soluble Guanylate Cyclase (sGC) Stimulator IW-1973 in Diabetic Nephropathy / Diabetic Kidney Disease as Measured by Albuminuria



Status:Recruiting
Conditions:Renal Impairment / Chronic Kidney Disease, Endocrine, Diabetes, Diabetes
Therapuetic Areas:Endocrinology, Nephrology / Urology
Healthy:No
Age Range:25 - 75
Updated:4/5/2019
Start Date:August 1, 2017
End Date:October 2019
Contact:Paul Miller
Email:pmiller@cyclerion.com
Phone:857-338-3355

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A Randomized, Double-Blind, Placebo-Controlled, Phase 2 Study to Evaluate the Safety and Efficacy of IW-1973 in Patients With Type 2 Diabetes With Albuminuria Treated With Renin-Angiotensin System Inhibitors

To evaluate the safety and efficacy of IW-1973 in patients with type 2 diabetes mellitus with
albuminuria who are on a stable regimen of renin-angiotensin system inhibitors.


Key Inclusion Criteria:

- Patient is an ambulatory male or female from 25 to 75 years old at the Screening
Visit.

- Patient has type 2 diabetes diagnosed by a physician or nurse practitioner ≥6 months
before the Screening Visit, has been on ≥1 antihyperglycemic medication for ≥12 weeks
preceding the Randomization Visit, and has been on a stable regimen (ie, same drug and
same dose) of ≥1 antihyperglycemic medication for ≥28 days preceding the Randomization
Visit. (Modification of short-acting insulin throughout the Screening Period will not
affect eligibility.)

- Patient has been on a stable regimen (ie, same drug and dose) of antihypertensive
medications, which must include an angiotensin-converting enzyme inhibitor (ACEi) or
an angiotensin receptor blocker (ARB), for ≥28 days preceding the Randomization Visit
and is expected to remain on their regimen through the Follow-up Visit.

- Patient has the following:

1. Estimated glomerular filtration rate (eGFR) 30 to 75 mL/min/1.73 m2 by the
Chronic Kidney Disease Epidemiology Collaboration (CKD-EPI) creatinine equation
(1) at the Screening and Baseline Visits

2. Urine albumin-to-creatinine ratio (UACR) >200 mg/g at the Screening and Baseline
Visits and <3000 mg/g at Screening and Baseline Visits

3. Serum albumin >3.0 g/dL at the Screening and Baseline Visits

4. Hemoglobin A1c (HbA1c) ≤11% at the Screening and Baseline Visits

5. Systolic blood pressure (BP) of 110 to 180 mm Hg at the Screening and Baseline
Visits

- Women of childbearing potential must have a negative pregnancy test prior to
randomization and must agree to use protocol-specified contraception from the
Screening Visit through 60 days after the final dose of study drug.

- Male patients must be surgically sterile by vasectomy (conducted ≥60 days before the
Screening Visit or confirmed via sperm analysis) or must agree to use
protocol-specified contraception from the Screening Visit through 60 days after the
final dose of study drug.

- Other inclusion criteria per protocol.

Key Exclusion Criteria:

- Patient has a history of secondary hypertension (ie, renal artery stenosis, primary
aldosteronism, or pheochromocytoma).

- Patient has a body mass index (BMI) <20 or >45 kg/m2 at the Screening Visit.

- Patient has a history of platelet dysfunction, hemophilia, von Willebrand disease,
coagulation disorder, other bleeding diathesis, or significant, nontraumatic bleeding
episode(s), such as from a gastrointestinal source.

- Patient has hepatic impairment defined as Child-Pugh A, B, C.

- Patient has significant comorbidities (eg, malignancy, advanced liver disease,
pulmonary hypertension, pulmonary fibrosis, lung disease requiring supplemental
oxygen) or other significant conditions that, in the Investigator's opinion, would
limit the patient's ability to complete or participate in this clinical study; has
been hospitalized for cardiovascular, renal, or metabolic cause in the 3 months before
the Screening Visit; or has a life expectancy of less than 1 year.

- Patient has had prior dialysis, renal transplant, or planned renal transplant.

- Patient has clinically active, symptomatic, or unstable coronary artery or heart
disease within the 3 months before the Screening Visit, defined as 1 of the following:

1. Hospitalization for myocardial infarction (MI), unstable angina, or heart failure

2. New-onset angina with positive functional study or coronary angiogram revealing
stenosis

3. Coronary revascularization procedure

- Patient has a history of clinically significant hypersensitivity or allergies to any
of the inactive ingredients contained in the active or placebo drug products.

- Patient has previously received IW-1973 in a study, or received an investigational
drug during the 30 days or 5 half-lives of that investigational drug (whichever is
longer) before the Screening Visit, or is planning to receive another investigational
drug at any time during the study.

- Patient is taking specific inhibitors of phosphodiesterase 5 (PDE5), nonspecific
inhibitors of PDE5 (including dipyridamole and theophylline), any supplements for the
treatment of erectile dysfunction, riociguat, or nitrates or nitric oxide (NO) donors
in any form. These medications and supplements are prohibited from 7 days before
Randomization through the duration of the study.

- Patient is taking strong cytochrome P450 3A (CYP3A) inhibitors (eg, ketoconazole,
indinavir, nelfinavir, ritonavir, saquinavir, clarithromycin, telithromycin,
itraconazole, and nefazodone). These medications are prohibited 14 days before
Randomization through the duration of the trial.

- Other exclusion criteria per protocol.
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