Evaluating SHR-1707 for Alzheimer's Disease

A Phase II, Randomized, Double-blind, Placebo-controlled Study to Evaluate the Safety, Tolerability and Pharmacodynamics of Intravenous Administration of SHR-1707 In Patients With Mild Cognitive Impairment Due to Alzheimer's Disease or Mild Alzheimer's Disease

This study is testing a new intravenous treatment called SHR-1707 to see if it can help people aged 50 to 85 with mild Alzheimer's disease or cognitive issues feel better and improve their thinking skills.

Quick facts

• Phase: Phase 2
• Study type: Interventional
• Enrollment: 45 (estimated)
• Ages: 50 Years to 85 Years
• Sex: All
• Sponsor: Shanghai Hengrui Pharmaceutical Co., Ltd. (Industry-sponsored)
• Drugs / interventions: immunotherapy
• Locations: 1 site (Hefei, Anhui)
• Trial ID: NCT06199037 on ClinicalTrials.gov

What this trial studies

This clinical trial aims to assess the safety, tolerability, and pharmacodynamics of SHR-1707, an intravenous treatment, in patients with mild cognitive impairment or mild Alzheimer's disease. Participants will receive either SHR-1707 or a placebo, and their responses will be monitored to determine the drug's effects. The study focuses on individuals aged 50 to 85 who meet specific diagnostic criteria for Alzheimer's-related cognitive decline. The trial will also evaluate the impact of the treatment on cognitive function and overall well-being.

Who should consider this trial

Good fit: Ideal candidates are individuals aged 50 to 85 diagnosed with mild cognitive impairment due to Alzheimer's disease or mild Alzheimer's disease.

Not a fit: Patients with cognitive impairment due to other medical or neurological factors, or those with significant psychiatric diagnoses, may not benefit from this study.

Why it matters

Potential benefit: If successful, this treatment could provide a new therapeutic option for patients with Alzheimer's disease, potentially improving cognitive function and quality of life.

How similar studies have performed: While there have been various studies on Alzheimer's treatments, the specific approach of SHR-1707 is novel and has not been extensively tested in prior trials.

Eligibility criteria

Inclusion Criteria:

1. Age ≥50 and ≤85 on the date of signing the informed consent, males or females;
2. BMI≥18kg/m2 and ≤32 kg/m2, weight ≥45 kg且≤100 kg at screening or baseline；
3. must meet the diagnostic criteria for MCI due to AD or mild AD;
4. The total score of HAMD-17 should be ≤10 scores at screening;
5. The score of Hachinski ischemic scale should be ≤4 scores at screening;
6. amyloid PET scan results from the central laboratory confirmed the presence of pathological changes in AD;
7. Agreed to test ApoE genotype;
8. Have a stable caregiver; where symptomatic drugs for AD is used, they must be stable for at least 1 months prior to the screening visit;

Exclusion Criteria:

1. Cognitive impairment of subjects due to other medical or neurological factors (other than AD);
2. History of stroke or transient ischemic attack, seizures, or other unexplained loss of consciousness within the past year;
3. Any psychiatric diagnosis that may interfere with the subject's cognitive assessment;
4. Cannot tolerate MRI or has contraindications to MRI, has significant lesions shown on MRI during screening, or has other conditions that the investigator believes may bring a significant risk to the subject;
5. Patients who had severe trauma or had undergone surgery within 6 months prior to screening, or were scheduled to undergo surgery during the trial;
6. History of moderate (3b) or severe renal failure or insufficiency;
7. Uncontrolled hypertension: systolic blood pressure \> 160mmHg and diastolic blood pressure \>100mmHg during screening or baseline;
8. 12-lead ECG showed QTcF \>450ms for male and \>470ms for female during screening;
9. History of hypoglycemic coma or uncontrolled diabetes 6 months prior to the screening period;
10. Thyroid dysfunction；
11. Had unstable or clinically significant cardiovascular disease within 1 year prior to the screening period, had or currently has atrial fibrillation;
12. History of malignancy within 5 years prior to screening;
13. Patients with clinically significant systemic immunosuppression due to the persistent effects of immunosuppressive drugs;
14. Human immunodeficiency virus antibody (HIV-Ab), treponema pallidum antibody and hepatitis C virus antibody (HCV-Ab) were positive during screening.Hepatitis B active subjects \[Hepatitis B virus surface antigen (HBsAg) positive with HBV DNA \> upper limit of normal\]
15. Alanine aminotransferase (ALT) or aspartate aminotransferase (AST) exceeding 3 times ULN, or total bilirubin exceeding 2 times ULN
16. Folic acid or vitamin B12 below the lower limit of normal
17. coagulation disorders
18. According to the investigators, the subjects were suicidal or had committed suicidal behaviour in the six months before the screening period;
19. Severe visual or hearing impairment, unable to cooperate with the completion of the scale;
20. A woman who is pregnant, or a woman of childbearing potential whose pregnancy test results are positive, or who is breastfeeding; or has a plan to have a child, unwilling or unable to take effective contraceptive measures within 30 days prior to the screening period or six months after the last use of the investigational drug.
21. History of drug abuse or addiction;
22. Three months prior to the randomization period or planned to use dual antiplatelet or anticoagulant drugs during the trial;
23. Received any passive immunotherapy or other long-acting biologics used to prevent or delay cognitive decline within 3 months prior to screening;
24. Investigators and relevant staff of the research Centre or others directly involved in programme implementation;
25. The investigator considers that there are any circumstances that would cause the subject to be unable to complete the study or pose a significant risk to the subject or other factors that would interfere with the subject's ability to complete the study evaluation.

Where this trial is running

Hefei, Anhui

• The First Affiliated hospital of USTC — Hefei, Anhui, China (Recruiting)

Study contacts

• Study coordinator: Hongyan Qiu

Conditions Alzheimer's Disease