A Phase II Clinical Study of SYH2068 Injection in Adults With Elevated Lipoprotein(a)

A Phase II Randomized, Double-Blind, Parallel-group, Placebo-Controlled Trial of SYH2068 Injection in Adults With Elevated Lipoprotein(a)

The purpose of this study is to evaluate the efficacy and safety of SYH2068 injection in patients with elevated lipoprotein(a).

Study Overview

Status

Not yet recruiting

Conditions

Intervention / Treatment

Detailed Description

This is a multicenter, randomized, double-blind, parallel, placebo-controlled Phase II clinical trial aimed at evaluating the efficacy, safety, immunogenicity, and pharmacokinetic characteristics of SYH2068 injection in adult participants with elevated lipoprotein(a). The study consists of a screening period and a treatment period.

Study Type

Interventional

Enrollment (Estimated)

120

Phase

  • Phase 2

Contacts and Locations

This section provides the contact details for those conducting the study, and information on where this study is being conducted.

Study Contact

  • Name: Clinical Trials Information Group officer
  • Phone Number: 0311-69085587
  • Email: ctr-contact@cspc.cn

Participation Criteria

Researchers look for people who fit a certain description, called eligibility criteria. Some examples of these criteria are a person's general health condition or prior treatments.

Eligibility Criteria

Ages Eligible for Study

  • Adult
  • Older Adult

Accepts Healthy Volunteers

No

Description

Inclusion Criteria:

  1. Male or female participants ≥18 years of age;
  2. Elevated Lp(a);
  3. Participants who have used lipid-lowering drugs continue to use a stable dose, and those who have not used do not start new lipid-lowering drugs;
  4. Presence of ASCVD or ASCVD risk stratification assessed as moderate or high risk;
  5. Participants are able to understand and cooperate to complete this study, voluntarily participate in this study, and sign the ICF.

Exclusion Criteria:

  1. Diseases that significantly affect Lp(a) during screening period,
  2. Major or unstable cardiovascular events occurring from 3 months before signing the ICF to randomization;
  3. Undergoing or expected to undergo peripheral arterial, coronary, or cerebrovascular revascularization surgery or other major surgery within 3 months prior to signing the ICF until randomization or during the study period;
  4. NYHA class III-IV at the time of signing the ICF or LVEF <40% during the screening period;
  5. Type 1 diabetes or hereditary hemorrhagic disorder at screening;
  6. History of malignant tumor or suspected malignancy within 5 years prior to screening;
  7. Use of drugs affecting Lp(a) within the specified period before screening or expected to use during the study period;
  8. Allergy to oligonucleotide drugs;
  9. Received any other clinical study treatment within 3 months prior to screening or within 5 half-lives of the investigational drug;
  10. Female participants who are pregnant or breastfeeding at screening, or female / male participants who plan to conceive during the study and within 1 year after the last dose.

Study Plan

This section provides details of the study plan, including how the study is designed and what the study is measuring.

How is the study designed?

Design Details

  • Primary Purpose: Treatment
  • Allocation: Randomized
  • Interventional Model: Parallel Assignment
  • Masking: Double

Arms and Interventions

Participant Group / Arm
Intervention / Treatment
Placebo Comparator: Placebo
Administered by subcutaneous injection.
Experimental: SYH2068 Dose 1
Administered by subcutaneous injection.
Experimental: SYH2068 Dose 2
Administered by subcutaneous injection.
Experimental: SYH2068 Dose 3
Administered by subcutaneous injection.

What is the study measuring?

Primary Outcome Measures

Outcome Measure
Time Frame
Percentage change in Lp(a) from baseline to Day 60~180
Time Frame: Day 60~180
Day 60~180

Secondary Outcome Measures

Outcome Measure
Time Frame
Percentage change in Lp(a) from baseline to Day 30~540
Time Frame: Day 30~540
Day 30~540
The percentage of participants achieving Lp(a) < 125 nmol/L and <75 nmol/L.
Time Frame: Day 30~540
Day 30~540
Changes of LDL-C from baseline to Day 30~540
Time Frame: Day 30~540
Day 30~540
Changes of ApoB from baseline to Day 30~540
Time Frame: Day 30~540
Day 30~540
Incidence of TEAEs during the treatment
Time Frame: During treatment
During treatment
ADA incidence
Time Frame: During treatment
During treatment
The plasma concentration of SYH2068.
Time Frame: During treatment
During treatment

Collaborators and Investigators

This is where you will find people and organizations involved with this study.

Sponsor

Study record dates

These dates track the progress of study record and summary results submissions to ClinicalTrials.gov. Study records and reported results are reviewed by the National Library of Medicine (NLM) to make sure they meet specific quality control standards before being posted on the public website.

Study Major Dates

Study Start (Estimated)

July 30, 2026

Primary Completion (Estimated)

March 30, 2028

Study Completion (Estimated)

September 30, 2028

Study Registration Dates

First Submitted

June 5, 2026

First Submitted That Met QC Criteria

June 5, 2026

First Posted (Actual)

June 10, 2026

Study Record Updates

Last Update Posted (Actual)

June 10, 2026

Last Update Submitted That Met QC Criteria

June 5, 2026

Last Verified

June 1, 2026

More Information

Terms related to this study

Other Study ID Numbers

  • SYH2068-002

Drug and device information, study documents

Studies a U.S. FDA-regulated drug product

No

Studies a U.S. FDA-regulated device product

No

This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.

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