Evaluation of XTR004 as a Novel 18F-labeled PET MPI Tracer in Diagnosis of Known or Suspected CAD

Coronary Artery Disease (CAD) Clinical Trial

Official title:

Evaluation of XTR004 as a Novel 18F-labeled PET Myocardial Perfusion Imaging (MPI) Tracer in Diagnosis of Known or Suspected CAD Compared With Invasive Coronary Angiography, Fractional Flow Reserve, Index of Microcirculatory Resistance

Clinical Trial Details — Status: Completed

Administrative data

• NCT number: NCT05885841
• Other study ID #: STB-XTR004-201
• Status: Completed
• Phase: Phase 2
• Start date: February 15, 2022
• Est. completion date: May 9, 2023

Study information

• Verified date: May 2023
• Source: Sinotau Pharmaceutical Group
• Contact: n/a
• Is FDA regulated: No
• Study type: Interventional

Clinical Trial Summary

The diagnostic efficacy and safety of the XTR004 myocardial perfusion PET imaging tracer are evaluated for known or suspected CAD with the use of invasive coronary angiography as the reference standard for the diagnosis of CAD and invasive pressure-temperature FFR/IMR as a reference for the detection of abnormal coronary function.

Description:

A phase II study that is single-arm, open-label, multi-center, and self-controlled with the following objectives;

1. Quantitative diagnostic efficacy of XTR004 perfusion imaging tracer in the diagnosis of known or suspected CAD using invasive coronary angiography as a reference standard for CAD.

2. The effectiveness of XTR004 myocardial perfusion imaging tracer in the detection of CAD using a pressure-temperature guide wire fractional flow reserve (FFR), and index of microcirculation resistance (IMR) as a reference standard to confirm abnormal coronary blood flow reserve and microvascular disfunction.

3. Subjects' safety after two doses of XTR004 intravenous injection.

Recruitment information / eligibility

• Status: Completed
• Enrollment: 83
• Est. completion date: May 9, 2023
• Est. primary completion date: May 9, 2023
• Accepts healthy volunteers: No
• Gender: All
• Age group: 18 Years to 75 Years

Eligibility

Inclusion Criteria:

1. Male and female aged between 18 and 75 years old.

2. Symptoms associated with known or suspected CAD.

3. Having at least one risk factor for CAD, including hypertension, hyperlipidemia, diabetes, obesity, alcoholism, smoking, family history of CAD, postmenopausal women, or old age.

4. Subjects who need invasive coronary angiography and function tests based on their routine clinical examination.

5. Subjects who can understand, sign, and date the written informed consent.

Exclusion Criteria:

1. Severe cardiovascular disease, including but not limited to an acute coronary syndrome, second or third-degree atrioventricular, sinoatrial block, NYHA class iii and iv, heart failure, dilated or hypertrophic cardiomyopathy, etc., and have been assessed by the investigator as unsuitable to participate in this study.

2. Severe acute or chronic lung disease, including but not limited to chronic obstructive pulmonary disease, asthma, bronchiectasis, emphysema, pulmonary fibrosis, pulmonary embolism, pneumonia, etc., and have been assessed by the investigator as unsuitable to participate in this study.

3. Severe or unstable central nervous system disease, including but not limited to unstable cerebrovascular disease, active epilepsy, infectious disease of the central nervous system, etc., and have been assessed by the investigator as unsuitable to participate in this study.

4. Severe bleeding disorders or coagulation disorders, including but not limited to purpura, hemophilia, vitamin K deficiency, etc., and have been assessed by the investigator as unsuitable to participate in this study.

5. Severe liver disease, including but not limited to viral hepatitis, autoimmune hepatitis, liver cirrhosis, liver cancer, etc., and have been assessed by the investigator as unsuitable to participate in this study.

6. Severe renal impairment, including but not limited to glomerular nephropathy, hydronephrosis, renal cysts, etc., and have been assessed by the investigator as unsuitable to participate in this study.

7. Patients with febrile or active infectious disease, and have been assessed by the investigator as unsuitable to participate in this study.

8. Patients with serious disease of other organ systems other than those not mentioned above and have been assessed by the investigator as unsuitable to participate in this study.

9. Known to be allergic to adenosine.

10. Severe allergic reaction to alcohol.

11. Known to be allergic to iodine contrast tracers.

12. Significant occupational exposure to or treatment with ionizing radiation (e.g., more than 50 mSv/yr) within 10 years.

13. Pregnancy or lactating woman.

14. Patients with mental disorders or poor compliance.

15. Those who have participated in another clinical study 30 days before enrollment or during follow-up.

16. Men and women of reproductive age refused to adopt contraceptive plans during the study period and 6 months after the study ended.

17. Other circumstances that the investigator considers inappropriate for participating in the study.

Related Conditions & MeSH terms

• Coronary Artery Disease
• Coronary Artery Disease (CAD)
• Coronary Disease
• Myocardial Ischemia

Intervention

Drug:
• XTR004
At rest: IV bolus injection of XTR004 with a dose range of 2.0-2.5 mCi At stress: IV infusion of adenosine at a rate of 140 µg/kg/min. IV bolus injection of XTR004 with a dose range of 6.0-7.5 mCi.

Locations

Country	Name	City	State
China	Beijing Hospital	Beijing	Beijing
China	Beijing Tongren Hospital	Beijing	Beijing

Sponsors (1)

Lead Sponsor	Collaborator
Sinotau Pharmaceutical Group

Country where clinical trial is conducted

China, 

Outcome

Type	Measure	Description	Time frame	Safety issue
Primary	Qualitative reading and semi-qualitative MPI analysis (SSS and SDS)	Sensitivity and specificity of XTR004 PET MPI for the detection of =50% and =70% threshold coronary stenosis.; Sensitivity and specificity of XTR004 PET MPI for the detection of abnormal function of epicardial coronary (FFR<0.8, IMR<25), abnormal coronary microcirculation (FFR=0.8, IMR=25), abnormal of both (FFR<0.8, IMR=25), and their corresponding thresholds.	Day 1
Primary	Quantitative index of XTR004 PET myocardial blood flow (Stress MBF, MFR)	Sensitivity and specificity of XTR004 PET myocardial blood flow quantitative index (stress MBF, MFR) for the detection of =50% and =70% threshold coronary stenosis.; Sensitivity and specificity of XTR004 PET MPI for the detection of abnormal function of epicardial coronary (FFR<0.8, IMR<25), abnormal coronary microcirculation (FFR=0.8, IMR=25), abnormal of both (FFR<0.8, IMR=25), and their corresponding thresholds.	Day 1
Secondary	Number of study participants with treatment-related adverse events as determined by safety parameter changes according to CTCAE v5.0	Safety parameters included adverse events, vital signs (body temperature, blood pressure, respiration rate, pulse rate), physical examinations, laboratory tests (serum cardiac biomarkers, cardiac troponin I, serum biochemistry, haematology, and urinalysis) and electrocardiograms.	7 days post-injection