A Phase 2b Study of GCS-100 in Patients With Chronic Kidney Disease Caused by Diabetes

Status unconfirmed · Phase 2 · Has a placebo group

Conditions studied: Diabetic Chronic Kidney Disease

In brief

A phase 2b, placebo-controlled, randomized, double-blind, multi-center study of GCS-100 in patients with chronic kidney disease caused by diabetes. The study will enroll approximately 375 patients at multiple centers located in the United States. Study duration is 6 months. Patients will be randomly assigned 1:1:1:1 to treatment with placebo (0.9% Sodium Chloride Injection, USP), 1 mg, 3 mg, or 9 mg GCS-100. All doses of study drug will be administered via intravenous (IV) push injection once weekly for 2 months (8 weeks), then every other week for an additional 4 months (16 weeks).

Key facts

Study ID

NCT02312050

Run by

La Jolla Pharmaceutical Company

People needed

375

Starts

2015-03-01

Expected to finish

2016-12-01

Last updated by the study team

2015-05-19

Who can join

Age: 18 and older, up to 90. Sex: any. Healthy volunteers: not accepted.

You may qualify if…

• Patient is capable of understanding the purpose and risks of the study and is able to provide written informed consent.
• Patient is ≥ 18 and ≤ 90 years of age.
• Patient has a baseline eGFR of 15 to < 45 mL/min/1.73m2, defined as the average of 2 measurements collected at Screening Visits 1 and 2, and determined using the 4-variable Modification of Diet in Renal Disease (MDRD) equation.
• Patients with diabetic CKD diagnosis > 12 months, and if requiring renin-angiotensin-aldosterone system (RAAS) blockade medications, must be receiving stable doses (i.e., not requiring modification) for the 3 months prior to first study drug dose.
• Stable eGFR as measured by a less than 25% variability of each Screening value from the average of the 2 Screening values taken no less than 5 days and no more than 10 days apart.
• Patient is willing and able to comply with all protocol requirements.
• Female patients of childbearing potential (i.e., women who have not been surgically sterilized or who have not been post-menopausal for at least 1 year) and male patients with partners of childbearing potential must agree to use medically acceptable methods of contraception throughout the study period.

You may not qualify if…

• Treatment with an experimental (unlicensed) drug within 4 weeks prior to Screening visit 1.
• Patients who are known to be allergic to citrus or have a history of any allergies associated with hypersensitivity to citrus.
• Patients who have begun new treatment with angiotensin converting enzyme inhibitors (ACEIs), angiotensin receptor blockers (ARBs), mineralocorticoid receptor blockers (MRBs), or direct renin inhibitors (DRIs) within the 3 months prior to first dose.
• Kidney disease known to be due to causes other than diabetes.
• Patients diagnosed with acute kidney injury (AKI) within the 3 months prior to first dose.
• Planned renal replacement therapy of any kind within 6 months of first study drug dose.
• Previous solid organ transplant.
• Evidence of persistent, uncontrolled hypertension, i.e., systolic blood pressure ≥ 160 mmHg and diastolic blood pressure ≥ 100 mmHg; or evidence of persistent, uncontrolled hypotension, i.e., systolic blood pressure ≤ 90 mmHg and diastolic blood pressure ≤ 40 mmHg at repeated measures during Screening.
• Patients who have Screening clinical laboratory values of:
• Hemoglobin: ≤ 9 g/dL
• Total bilirubin: > 1.5X the upper limit of normal (ULN)
• ALT and/or AST: > 2.5X ULN
• HbA1c > 10.5%
• Concomitant treatment with immunosuppressive agents, except for stable use of topical agents or inhaled steroids.
• Patients who have previously received GCS-100 as part of another clinical trial.
• Known history of cancer (excluding non-melanoma skin cancer that is not being actively treated) within 5 years of Screening.
• Known history of human immunodeficiency virus, active hepatitis C virus (HCV), active hepatitis B virus (HBV), or prior history of infection with HBV (HBcAb positive); if adequate hepatic function has been documented for patients with HCV or prior history of hepatitis B without evidence of cirrhosis, the Medical Monitor may approve their enrollment.
• Clinically relevant active infection and/or a serious co-morbid medical condition, such as recent myocardial infarction (within the last 6 months), unstable angina, difficult-to-control congestive heart failure, uncontrolled hypertension, difficult-to-control cardiac arrhythmias, severe or uncontrolled chronic obstructive or chronic restrictive pulmonary disease, and/or cirrhosis.
• Patient had major surgery within 12 weeks of first study drug dose.
• If female, patient is pregnant or breastfeeding.
• Patient has a concomitant disease or condition, including laboratory abnormalities, which, in the opinion of the investigator, could interfere with the conduct of the study or put the patient at unacceptable risk.

Where it is running

• Balboa Nephrology Medical Group — Chula Vista, California, United States
• Balboa Nephrology Medical Group — El Centro, California, United States
• Balboa Nephrology Medical Group — La Jolla, California, United States
• California Institute for Renal Research — La Mesa, California, United States
• Denver Nephrology — Denver, Colorado, United States
• Mountain Kidney & Hypertension — Asheville, North Carolina, United States
• Southeast Renal Research Institute — Chattanooga, Tennessee, United States
• Clinical Advancement Center — San Antonio, Texas, United States

Full record on ClinicalTrials.gov

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