A Study to Evaluate the Efficacy, Safety, and Pharmacokinetics of AZD0780 in Participants With Dyslipidaemia

Phase 2

Recruiting

• Conditions: Dyslipidaemia
• Interventions: Drug: Rosuvastatin Dose 1; Drug: Placebo; Drug: Rosuvastatin dose 2; Drug: AZD0780

• Registration Number: NCT06834932
• Lead Sponsor: AstraZeneca

Brief Summary

This is a randomised, double-blind, placebo-controlled, multi-centre, sequential Phase II and Phase III study that will evaluate the efficacy, safety, and PK of AZD0780 administered orally for up to 52 weeks in participants with elevated LDL-C. The study consist of 2 separate parts (Part A and Part B) approximately 60 participants will be randomised in Part A. There will be 2 cohorts in Part B (approximately 220 participants in Cohort 1 and 100 participants in Cohort 2).

Detailed Description

The planned study includes 2 parts. Part A will be the Phase II study and aims to evaluate the PK, PD, safety, and tolerability of AZD0780. Part B will be the Phase III study and aims to evaluate the reduction of LDL-C as well as the safety and tolerability after oral administration of AZD0780 on background lipid-lowing therapy including moderate to high-intensity statins.

For Part A, approximately 60 participants who meet the eligibility criteria will be randomised. Part A will comprise 4 periods totalling up to 80 days.

For Part B, approximately 220 participants who meet the eligibility criteria will be randomised in Cohort 1, and approximately 100 participants who meet the eligibility criteria will be randomised in Cohort 2.

Cohort 1: participants are on a stable dose of LLTs, including moderate to high-intensity statins for≥ 28 days before screening.

Cohort 2: participants could be with moderate-intensity or without statins therapy (not due to statin intolerance) in background LLTs or not on any LLTs .

Study Timeline

• Study First Submitted: 2024-12-02
• Study Start: 2024-12-06
• Study First Submitted QC: 2025-02-18
• Study First Posted: 2025-02-19
• Status Verified: 2025-09
• Last Update Submitted: 2025-09-25
• Last Update Posted: 2025-09-26
• Primary Completion: 2027-06-18
• Study Completion: 2027-06-18

Recruitment & Eligibility

• Status: RECRUITING
• Sex: All
• Target Recruitment: 300

Inclusion Criteria

PART A

1. Males, and females of non-childbearing potential, 18 to 55 years of age, at the time of signing the informed consent.
2. Diagnosis of dyslipidaemia: and with fasting LDL-C ≥ 100 mg/dL (2.6 mmol/L) and < 190 mg/dL (4.9 mmol/L) at screening (Visit 1).
3. Fasting triglycerides < 400 mg/dL (< 4.52 mmol/L) at screening (Visit 1).
4. Not on any LLTs for ≥ 8 weeks prior to screening (Visit 1), except for a heart-healthy lifestyle.
5. No planned LLTs using during study participation.
6. Body mass index ≥ 18 and ≤35 kg/m^2 , weigh ≥50 kg and ≤120 kg.

PART B

1. Males, and females, ≥ 18 years of age, at the time of signing the informed consent.
2. Meets one of the ASCVD status/risk categories and has a corresponding fasted LDL-C value at screening (Visit 1) .

(1) Participants with clinical ASCVD, LDL-C ≥ 55 mg/dl (ultra-high risk) and ≥ 70 mg/dl (very high risk).

(2) Participants without clinical ASCVD, at moderate to high risk for ASCVD at 10 years, LDL-C ≥ 100 mg/dl. ASCVD risk equivalents [diabetes mellitus,LDL-C ≥ 4.9 mmol/L or TC ≥ 7.2 mmol/L, HeFH, CKD (stage 3-5)] are also eligible.

3. Fasting triglycerides < 400 mg/dL (< 4.52 mmol/L).

4. Background LLTs:

For Cohort 1: on a stable dose of LLTs including medications and supplements ≥ 28 days before screening (Visit 1). , that typically include moderate to high-intensity statins for ≥ 28 days before screening (LLTs include medications [eg, statins, ezetimibe, niacin] and supplements [eg, omega-3 fatty acids] that can affect cholesterol levels).

1. Participants intolerant to moderate or high intensity statins per the 2023 Chinese Guideline may be included if treated with a low intensity statin.
2. Participants not on statins must have documented intolerance to at least two statins (including one at the lowest standard dose) or be on chronic medication contraindicating statin use.

For Cohort 2: Meet one of the following before screening (Visit 1):

1. On a stable dose of LLTs including moderate statins .
2. On a stable dose of LLTs without any statins.
3. Not received treatment with any LLTs.

Exclusion Criteria

PART A

1. Malignancy (except non-melanoma skin cancers, cervical in-situ carcinoma, breast ductal carcinoma in-situ, or Stage 1 prostate carcinoma) within the last 10 years.
2. Recipient of any major organ transplant, eg, lung, liver, heart, bone marrow, renal.
3. Homozygous familial hypercholesterolaemia, Know diagnosis of HeFH, LDL apheresis or plasma apheresis within 12 months prior to screening (Visit 1).
4. QTcF > 450 ms; high degree atrioventricular-block grade II-III and sinus node dysfunction with significant sinus pause untreated with pacemaker; and cardiac tachyarrhythmias.
5. A LDL-C reduction that is < 30% post rosuvastatin run-in period (Day -8).

PART B

1. Acute ischaemic ASCVD event within 7 days prior to screening (Visit 1).

2. Any uncontrolled or serious disease.

3. eGFR < 15 mL/min/1.73m2 using the CKD-EPI 2021 (age, sex) equation at screening (Visit 1).

4. Uncontrolled type 2 diabetes mellitus, defined as HbA1c ≥ 9.5% at screening (Visit 1).

5. Heart failure with New York Heart Association Class IV.

6. Malignancy (except non-melanoma skin cancers, cervical in-situ carcinoma) within 5 years prior to screening (Visit 1).

7. Severe concomitant non-CVD with risk of life expectancy < 2 years.

8. Recipient of any major organ transplant, eg, lung, liver, heart, bone marrow, renal.

9. Homozygous familial hypercholesterolaemia, LDL apheresis, or plasma apheresis within 12 months prior to screening or any other underlying known disease or condition that may interfere with interpretation of the clinical study results as judged by the Investigator.

10. Uncontrolled hypertension defined as average sitting SBP > 160 mmHg or DBP > 110 mmHg at screening (Visit 1) or randomization despite antihypertensive therapy (based on the mean of the 3 consecutive readings).

11. Any laboratory values with the following deviations at screening (Visit 1)

    1. Any positive result on screening for hepatitis B or hepatitis C.
    2. ALT > 3 × ULN.
    3. AST > 3 × ULN.
    4. TBL > 2 × ULN (except for participants with Gilberts syndrome, where TBL 3 × ULN is acceptable provided direct bilirubin < 1.5 × ULN)
    5. Creatine kinase > 5 × ULN
    6. Urine albumin-to-creatinine ratio ≥ 500 mg/g

12. QTcF > 470 ms; high degree atrioventricular-block grade II-III and sinus node dysfunction with significant sinus pause untreated with pacemaker; and cardiac tachyarrhythmias.

13. Current administration of PCSK9 inhibitor, siRNA or mAb (approved or investigational) at screening.

14. Mipomersen or microsomal triglyceride transfer protein inhibitor (eg, lomitapide) use within 12 months prior to screening or planned ues during the study.

15. Use of PCSK-9 inhibitors: evolocumab/alirocumab within 12 weeks, inclisiran within 18 months, tafolecimab, ebronucimab, ongericimab, and recaticimab within 3 to 6 months before screening or planned use during the study; or any other PCSK-9 inhibitor within 5 half-lives before screening or planned use during the study.

16. Use of any lipid-lowing traditional Chinese medicine (expect Xuezhikang) within 8 weeks before screening.

17. Use of gemfibrozil within one week before screening or planned use during the study.

18. Receiving, or has received within 14 days of screening, medication with a black box warning for significant QT prolongation.

Study & Design

• Study Type: INTERVENTIONAL
• Study Design: PARALLEL

Arm && Interventions

Group	Intervention	Description
AZD0780 +Rosuvastatin Dose 1 (Part A)	Rosuvastatin Dose 1	* Participants will receive Rosuvastatin Dose 1 QD for minimum 21 days (up to 28 days) * Then receive AZD0780 QD as add on for next 28 days (Part A)
Placebo +Rosuvastatin Dose 1 (Part A)	Placebo	* Participants will receive Rosuvastatin Dose 1 QD for minimum 21 days (up to 28 days) * Then receive Placebo QD as add on for next 28 days (Part A)
Placebo +Rosuvastatin Dose 1 (Part A)	Rosuvastatin Dose 1	* Participants will receive Rosuvastatin Dose 1 QD for minimum 21 days (up to 28 days) * Then receive Placebo QD as add on for next 28 days (Part A)
AZD0780 +Rosuvastatin Dose 2 (Part A)	Rosuvastatin dose 2	* Participants will receive Rosuvastatin Dose 2 QD for minimum 21 days (up to 28 days) * Then receive AZD0780 QD as add on for next for 28 days (Part A)
Placebo + Rosuvastatin Dose 2 (Part A)	Placebo	* Participants will receive Rosuvastatin Dose 2 QD for minimum 21 days (up to 28 days) * Then receive Placebo QD as add on for 28 days (Part A)
Placebo + Rosuvastatin Dose 2 (Part A)	Rosuvastatin dose 2	* Participants will receive Rosuvastatin Dose 2 QD for minimum 21 days (up to 28 days) * Then receive Placebo QD as add on for 28 days (Part A)
AZD0780 (Part B Cohort 1)	AZD0780	• Participate will receive AZD0780 QD for 52 weeks (Part B Cohort 1)
Placebo (Part B Cohort 1)	Placebo	• Participate will receive Placebo QD for 52 weeks (Part B Cohort 1)
AZD0780+Rosuvastatin Dose 1 (Part B Cohort 2)	Rosuvastatin Dose 1	* Participate receive Rosuvastatin Dose 1 for 28 days. * Then receive AZD0780 QD as add on for 12 weeks (Part B Cohort 2)
Placebo+Rosuvastation Dose 1 (Part B Cohort 2)	Placebo	* Participate receive Rosuvastatin Dose 1 for 28 days. * Then receive Placebo QD as add on for 12 weeks (Part B Cohort 2)
Placebo+Rosuvastation Dose 1 (Part B Cohort 2)	Rosuvastatin Dose 1	* Participate receive Rosuvastatin Dose 1 for 28 days. * Then receive Placebo QD as add on for 12 weeks (Part B Cohort 2)
AZD0780 +Rosuvastatin Dose 1 (Part A)	AZD0780	* Participants will receive Rosuvastatin Dose 1 QD for minimum 21 days (up to 28 days) * Then receive AZD0780 QD as add on for next 28 days (Part A)
AZD0780+Rosuvastatin Dose 1 (Part B Cohort 2)	AZD0780	* Participate receive Rosuvastatin Dose 1 for 28 days. * Then receive AZD0780 QD as add on for 12 weeks (Part B Cohort 2)
AZD0780 +Rosuvastatin Dose 2 (Part A)	AZD0780	* Participants will receive Rosuvastatin Dose 2 QD for minimum 21 days (up to 28 days) * Then receive AZD0780 QD as add on for next for 28 days (Part A)

Primary Outcome Measures

Name	Time	Method
AZD0780 Concentrations in plasma (PART A)	Day 1 and Day 8: Pre-dose, 0.25,0.5,1,1.5,2,3,4,6,8,12,16 hours post-dose. Day 2, Day 9, Day 11, Day 15, Day 22, Day 29: Pre-dose (PART A)	To characterise the single dose and steady state PK of AZD0780 following oral administration of AZD0780 (PART A)
AZD0780 PK Parameter: AUC0-t (PART A, intensive PK subgroup).	Day 1 and Day 8: Pre-dose, 0.25,0.5,1,1.5,2,3,4,6,8,12,16 hours post-dose. Day 2, Day 9, Day 11, Day 15, Day 22, Day 29: Pre-dose (PART A)	To characterise the single dose and steady state PK of AZD0780 following oral administration of AZD0780 (PART A)
AZD0780 PK parameter: Cmax (PART A, intensive PK subgroup)	Day 1 and Day 8: Pre-dose, 0.25,0.5,1,1.5,2,3,4,6,8,12,16 hours post-dose. Day 2, Day 9, Day 11, Day 15, Day 22, Day 29: Pre-dose (PART A)	To characterise the single dose and steady state PK of AZD0780 following oral administration of AZD0780 (PART A)
AZD0780 PK parameter: AUCtau (PART A, intensive PK sub group)	Day 1 and Day 8: Pre-dose, 0.25,0.5,1,1.5,2,3,4,6,8,12,16 hours post-dose. Day 2, Day 9, Day 11, Day 15, Day 22, Day 29: Pre-dose (PART A)	To characterise the single dose and steady state PK of AZD0780 following oral administration of AZD0780 (PART A)
Relative change in LDL-C from baseline to 12 weeks (PART B)	From baseline to 12 weeks (PART B)	To compare the effect of treatment with AZD0780 versus placebo on LDL-C at 12 weeks (PART B)

Secondary Outcome Measures

Name	Time	Method
Indicator for LDL-C < 70 mg/dL (< 1.8 mmol/L) at 12 weeks (PART B)	From baseline to 12 weeks (PART B)	To compare the effect of treatment with AZD0780 versus placebo on the probability of LDL-C \< 70 mg/dL at 12 weeks in participants with baseline LDL-C ≥ 70 mg/dL (PART B)
Indicator for LDL-C < 55 mg/dL (< 1.4 mmol/L) at 12 weeks (PART B)	From baseline to 12 weeks (PART B)	To compare the effect of treatment with AZD0780 versus placebo on the probability of LDL-C \< 55 mg/dL at 12 weeks (PART B)
Relative change in LDL-C from baseline to 28 weeks (PART B cohort 1)	From baseline to Week 28 (PART B cohort 1)	To compare the effect of treatment with AZD0780 versus placebo on LDL-C at 28 weeks in Cohort 1 (PART B cohort 1)
Relative change in LDL-C from baseline to 52 weeks (PART B cohort 1)	From baseline to Week 52 (PART B cohort 1)	To compare the effect of treatment with AZD0780 versus placebo on LDL-C at 52 weeks in Cohort 1 (PART B cohort 1)
Relative change in lipid panel from baseline to 12 weeks (PART B cohort 2)	From baseline to Week 12 (PART B cohort 2)	To compare the effect of treatment with AZD0780 versus placebo on lipid panel at 12 weeks (PART B cohort 2)
Relative change from baseline of LDL-C at Week 4 (PART A)	From baseline to Week 4 (PART A)	To evaluate the effect of treatment with AZD0780 versus placebo on LDL-C at Week 4 (PART A)
Relative change in LDL-C from baseline to 12 weeks (PART B Cohort 2)	From baseline to 12 weeks (PART B Cohort 2)	To compare the effect of treatment with AZD0780 versus placebo on LDL-C at 12 weeks in Cohort 2 (PART B)
Relative change in LDL-C from baseline to 12 weeks (PART B)	From baseline to 12 weeks (PART B)	To compare the effect of treatment with AZD0780 versus placebo on LDL-C at 12 weeks in participants on background statin therapy at baseline (PART B)

Trial Locations

Locations (1)

Research Site; 🇭🇰 Shatin, Hong Kong