AZD1613 - Part A: Part A - Participants will be administered doses of AZD1613 on days 1, 29, 57, and 85 according to randomization in IRT.
Placebo - Part A: Part A - Participants will be administered doses of placebo on days 1, 29, 57, and 85 according to randomization in IRT.
AZD1613 - Part B: Part B - Participants will be administered doses of AZD1613 on days 1, 29, 57, and 85 according to randomization in IRT.
Placebo - Part B: Part B - Participants will be administered doses of placebo on days 1, 29, 57, and 85 according to randomization in IRT.
Study summary
A study to investigate safety, tolerability, and pharmacokinetics of AZD1613 following subcutaneous or intravenous administration in participants with autosomal dominant polycystic kidney disease (ADPKD).
Eligibility
Sex
ALL
Min age
18 Years
Max age
65 Years
Healthy volunteers
No
Inclusion Criteria:
* Patients with ADPKD Mayo Class (IB-IE), as per clinical diagnosis (MIC) assessed centrally. Genetic testing results will not be used for eligibility purposes
* eGFR = 45 to 90 mL/min /1.73m2
* Body weight ≥ 45 kg and body mass index within the range 18 to 35 kg/m2 (inclusive).
* Females are to be of non-childbearing potential
Exclusion Criteria:
* As judged by the investigator, any evidence of cardiac, vascular, and other renal conditions which in the investigator's opinion makes it undesirable for the participant to participate in the study.
* Positive hepatitis C antibody, hepatitis B virus surface antigen, or human immunodeficiency virus test, at screening.
* History of QT prolongation associated with other medications that required discontinuation of that medication.
* Congenital long QT syndrome.
* History of ventricular arrhythmia requiring treatment. Patients with atrial fibrillation/flutter and controlled ventricular rate HR \< 100 bpm can be eligible as judged by the investigator.
* Haemoglobin below the lower limit of the normal range or any other clinically significant haematological abnormality as judged by the investigator.
* Any clinically important abnormalities in clinical chemistry, haematology, coagulation, or urinalysis results other than those specifically described as exclusion criteria herein, as judged by the investigator.
* Systolic BP \> 160 mmHg or diastolic BP \> 100mmHg or HR \< 50 bpm or \> 100 bpm at screening. Patients taking anti-hypertensive medication should be on a stable treatment regimen of antihypertensive therapy for at least 30 days prior to the screening visit.
* Any clinically important abnormalities in rhythm, conduction, or morphology of the resting ECG and any abnormalities in the 12-lead ECG that, as considered by the investigator, may interfere with the interpretation of QTc interval changes, including abnormal ST-T-wave morphology or left ventricular hypertrophy.
* Kidney cyst interventions such as cyst aspiration or cyst fenestration within 12 weeks prior to screening and during the screening period, or such interventions planned or anticipated within the follow-up period.
Primary outcome measure(s)
Incidence of Treatment-Emergent Adverse Events (TEAEs) — From randomization (Day 1) through end of follow-up (up to Day 189 ±3 days) Number of participants with at least one TEAE and SAE, including events leading to discontinuation or death; coded by system organ class and preferred term.
Unit: participants.
Change From Baseline in Safety 12-Lead ECG QTcF — Baseline (Day -1) and post-dose at scheduled visits through Day 189 ±3 days Change from baseline in QT interval corrected using Fridericia's formula (QTcF) measured on single 12-lead safety ECGs.
Unit: milliseconds (ms).
Change From Baseline in Safety 12-Lead ECG PR Interval — Baseline (Day -1) and post-dose at scheduled visits through Day 189 ±3 days Change from baseline in PR interval measured on single 12-lead safety ECGs.
Unit: milliseconds (ms).
Change From Baseline in Safety 12-Lead ECG QRS Duration — Baseline (Day -1) and post-dose at scheduled visits through Day 189 ±3 days Change from baseline in QRS duration measured on single 12-lead safety ECGs.
Unit: milliseconds (ms).
Change From Baseline in Heart Rate (12-Lead Safety ECG) — Baseline (Day -1) and post-dose at scheduled visits through Day 189 ±3 days Change from baseline in heart rate measured on single 12-lead safety ECGs.
Unit: beats per minute (bpm).
Change From Baseline in ALT — Baseline (Day -1) and post-dose at scheduled visits through Day 189 ±3 days Change from baseline in alanine aminotransferase.
Unit: U/L.
Change From Baseline in AST — Baseline (Day -1) and post-dose at scheduled visits through Day 189 ±3 days Change from baseline in aspartate aminotransferase.
Unit: U/L.
Change From Baseline in Total Bilirubin — Baseline (Day -1) and post-dose at scheduled visits through Day 189 ±3 days Change from baseline in total bilirubin.
Unit: mg/dL.
Change From Baseline in Serum Creatinine — Baseline (Day -1) and post-dose at scheduled visits through Day 189 ±3 days Change from baseline in serum creatinine.
Unit: mg/dL.
Change From Baseline in Estimated Glomerular Filtration Rate (eGFR; CKD-EPI 2021) — Baseline (Day -1) and post-dose at scheduled visits through Day 189 ±3 days Change from baseline in eGFR calculated using CKD-EPI 2021.
Unit: mL/min/1.73 m².
Change From Baseline in INR — Baseline (Day -1) and post-dose at scheduled visits through Day 189 ±3 days Change from baseline in international normalized ratio- (INR).
Unit: unitless.
Change From Baseline in Prothrombin Time (PT) — Baseline (Day -1) and post-dose at scheduled visits through Day 189 ±3 days Change from baseline in prothrombin time.
Unit: seconds (s).
Change From Baseline in Activated Partial Thromboplastin Time (aPTT) — Baseline (Day -1) and post-dose at scheduled visits through Day 189 ±3 days Change from baseline in aPTT.
Unit: seconds (s).
Change From Baseline in Urinary Albumin-to-Creatinine Ratio (UACR) — Baseline (Day -1) and scheduled visits through Day 189 ±3 days; UACR as triplicate first-morning voids per visit Change from baseline in UACR (geometric mean of triplicates at each visit).
Unit: mg/g.
Change From Baseline in Systolic Blood Pressure — Baseline (Day -1) and post-dose at scheduled visits through Day 189 ±3 days Change from baseline in supine systolic blood pressure.
Unit: mmHg.
Change From Baseline in Diastolic Blood Pressure — Baseline (Day -1) and post-dose at scheduled visits through Day 189 ±3 days Change from baseline in supine diastolic blood pressure.
Unit: mmHg.
Change From Baseline in Heart Rate (Vital Signs) — Baseline (Day -1) and post-dose at scheduled visits through Day 189 ±3 days Change from baseline in supine heart rate.
Unit: bpm.
Change From Baseline in Body Temperature — Baseline (Day -1) and post-dose at scheduled visits through Day 189 ±3 days Change from baseline in oral body temperature.
Unit: °C.
Change From Baseline in Respiratory Rate — Baseline (Day -1) and post-dose at scheduled visits through Day 189 ±3 days Change from baseline in respiratory rate.
Unit: breaths per minute.
Change From Baseline in Oxygen Saturation (SpO2) — Baseline (Day -1) and post-dose at scheduled visits through Day 189 ±3 days Change from baseline in pulse oximetry oxygen saturation.
Unit: percent (%).
This page summarises publicly available registry data for informational purposes — not medical advice. Eligibility is determined by each study team; patients should discuss participation with their clinician.
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