To Evaluate the Safety and Efficacy of RP902 Tablets

Trial statusNot yet recruiting
Trial phasePhase 2
Trial typeInterventional
Biological sexAll
Age50-85
SponsorRisen (Suzhou) Pharma Tech Co., Ltd.

About this trial

The purpose of the study is to evaluate the preliminary efficacy of RP902 Tablets in participants with Alzheimer's disease (AD)-derived mild cognitive impairment (MCI) and provide a design basis for the Phase III study. This Phase II study plans to enroll 360 participants and will be conducted at approximately 50 sites in China. The study consists of a Screening Period (up to 4 weeks) and a double-blind treatment period (48 weeks). After completing the 48-week double-blind treatment period, participants may choose to continue into an extension treatment period (96 weeks) or undergo safety follow-up (4 weeks after the last dose).

Eligibility criteria

Qualifiers

Voluntary participation and signed informed consent form.

Junior high school graduation or above, capable of completing cognitive function assessments and other tests specified in the protocol.

Meet the core clinical diagnostic criteria for mild cognitive impairment (MCI) of the National Institute on Aging-Alzheimer's Association (NIA-AA) (2024).

Mini-Mental State Examination (MMSE) score ≥ 24; Clinical Dementia Rating-Global Score (CDR-GS) = 0.5, with memory score ≥ 0.5.

Disqualifiers

Dementia caused by other etiologies.

Neurological diseases other than Alzheimer's Disease (AD).

Positive hepatitis B surface antigen (HBsAg) and/or hepatitis B core antibody (HBcAb) with positive HBV-DNA copy number (above upper limit of normal range); positive hepatitis C virus antibody (HCV Ab) with positive HCV RNA; positive human immunodeficiency virus antibody (HIV Ab); positive Treponema pallidum antibody (TP Ab).

Active systemic bacterial, viral, fungal or parasitic infection, or other clinically significant active infections deemed unsuitable by the investigator.

Trial design

Treatments tested in this trial

  • RP902
  • Placebo

Treatment groups

360 Participants
are divided into 3 treatment groups

Locations

This trial has no locations