Safety and Effectiveness of Propagermanium in Diabetic Kidney Disease Participants Receiving Irbesartan (ACTION)

D

Dimerix Bioscience

Status and phase

Completed
Phase 2

Conditions

Diabetic Kidney Disease

Treatments

Drug: Propagermanium
Drug: Placebo

Study type

Interventional

Funder types

Industry

Identifiers

NCT03627715
ACTRN12618000982213p (Registry Identifier)
DMX-200-203 A

Details and patient eligibility

About

This study will be evaluating the safety and efficacy of propagermanium for the treatment of participants with DKD who are already taking irbesartan by: monitoring symptoms that participants may experience while on the study, measuring levels of protein in participant's urine and kidney function during the course of the study, measuring the levels of propagermanium and irbesartan that enters into participant's urine and blood, and comparing the propagermanium outcomes to participants' pre-study and placebo outcomes. Eligible participants will randomly be assigned to one of two arms to receive both the propagermanium and placebo in different orders as follows, either: Treatment Period 1 taking a propagermanium capsule twice a day for 12 weeks, followed by a six week washout period followed by Treatment Period 2 taking a placebo capsule twice a day for 12 weeks. OR Treatment Period 1 taking a placebo capsule twice a day for 12 weeks, followed by a six week washout period followed by Treatment Period 2 taking a propagermanium capsule twice a day for 12 weeks.

Enrollment

45 patients

Sex

All

Ages

18 to 90 years old

Volunteers

No Healthy Volunteers

Inclusion criteria

  • Aged 18 to 90 (inclusive) at screening;
  • A diagnosis of type 2 diabetes mellitus;
  • Baseline glycated haemoglobin (HbA1c) ≤ 12%;
  • Fasting plasma glucose < 21 mmol/L;
  • Must be receiving a stable dose of 300 mg daily of irbesartan (in any marketed formulation) for at least 3 months prior to screening, and have no plan to change treatment regime throughout the study;
  • Patients can be on stable doses of angiotensin converting enzyme inhibitors, aldosterone inhibitors, and/or sodium-glucose co-transporter-2 inhibitors. However, the dose and regimen must be stable for 3 months prior to screening and must have no plan to change treatment regime throughout the study;
  • Mean of two albumin creatinine ratio (ACR) values (screening and baseline) of more than or equal to 265 to 4,425 mg/g (30-500 mg/mmol) and within 30% of the screening value at the baseline assessment;
  • Estimated glomerular filtration rate more than or equal to 25-90 mL/min/1.73 m^2 using chronic kidney disease epidemiology collaboration (CKD-EPI) formula at screening;
  • Serum potassium levels (screening and baseline) less than 5.5 mmol/L. If either value is 5.5 or above the patient may receive dietary advice and be retested one week after the second value

A female patient is eligible to participate if she is not pregnant, not breastfeeding, and at least 1 of the following conditions applies:

  • Not of childbearing potential, defined as surgically sterile (documented hysterectomy, bilateral salpingectomy or bilateral oophorectomy) or postmenopausal (no menses for 12 months without an alternative medical cause. A high follicle stimulating hormone [FSH] level in the postmenopausal range may be used to confirm a postmenopausal state in women not using hormonal contraception or hormonal replacement therapy; however, in the absence of 12 months of amenorrhea, a single FSH measurement is insufficient.);
  • Of childbearing potential and agrees to use a highly effective method of contraception consistently during the treatment period and for at least 60 days after the last dose of investigational product;
  • A male patient with a female partner of childbearing potential is eligible to participate if he agrees to use acceptable contraception during the treatment period and for at least 60 days after the last dose of investigational product and refrains from donating sperm during this period;
  • Have given written informed consent prior to any study procedures being performed.

Exclusion criteria

  • A history of type 1 diabetes mellitus;
  • Current known non-diabetic renal disease. Patients with a history of other resolved renal diseases must be approved by the Sponsor;
  • A prior organ or stem cell transplant;
  • A major adverse cardiac event within 6 months before screening;
  • Patients receiving immunosuppressive medications including patients receiving > 5 mg prednisone;
  • Rapid estimated glomerular filtration rate decline with renal replacement likely during study
  • Lymphoma, leukaemia, or any malignancy within the past 5 years except for basal cell or squamous cell carcinomas of the skin or cervical carcinoma in situ that have been resected with no evidence of metastatic disease for 3 years;
  • Jaundice, active hepatitis, or known hepatobiliary disease (except asymptomatic cholelithiasis);
  • Alanine aminotransferase and/or aspartate aminotransferase more than two times the upper limit of normal at screening;
  • Participation in any clinical study with an experimental medication or device within 90 days or 5 half-lives (whichever is longer) of screening or have previously participated in a study involving propagermanium;
  • Positive screening assessment for viral hepatitis B surface antigen or hepatitis C virus (HCV) antibody AND positive HCV ribonucleic acid or human immunodeficiency virus (HIV);
  • Seated blood pressure of more than or equal to 160/100 mmHg at screening;
  • Body mass index more than or equal to 42 kg/m^2 at screening;
  • Past hospitalisation for a major depressive episode;
  • Is breast feeding or pregnant;
  • Unable to comply with the study procedures and assessments, including the ability swallow capsules;
  • Any other disease, physical or psychological condition that the investigator or sponsor believes may contraindicate the use of the investigational medicinal product or affect the interpretation of study results or render the patient at high risk from treatment complications;
  • Are investigator site personnel directly affiliated with this study and their immediate families. Immediate family is defined as a spouse, parent, child or sibling, whether biological or legally adopted.

Trial design

Primary purpose

Treatment

Allocation

Randomized

Interventional model

Crossover Assignment

Masking

Quadruple Blind

45 participants in 2 patient groups

Propagermanium then Placebo
Experimental group
Description:
Propagermanium one capsule orally twice daily for 12 weeks. Compliance will be measured by drug accountability and completion of a participant diary. Participants will receive 12 weeks propagermanium and 12 weeks placebo separated by a 6 week washout period.
Treatment:
Drug: Placebo
Drug: Propagermanium
Placebo then Propagermanium
Experimental group
Description:
Propagermanium one capsule orally twice daily for 12 weeks. Compliance will be measured by drug accountability and completion of a participant diary. Participants will receive 12 weeks placebo and 12 weeks propagermanium separated by a 6 week washout period.
Treatment:
Drug: Placebo
Drug: Propagermanium

Trial contacts and locations

13

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Data sourced from clinicaltrials.gov

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