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临床试验/2024-517199-39-00
2024-517199-39-00招募中2 期

A RANDOMIZED, PLACEBO-CONTROLLED, TRIPLE-BLIND CLINICAL TRIAL TO INVESTIGATE TREATMENT EFFECTS AND SAFETY OF GINKGO BILOBA EXTRACT EGB 761® IN PARTICIPANTS WITH COGNITIVE IMPAIRMENT ASSOCIATED WITH POST-COVID-19 SYNDROME

Dr. Willmar Schwabe GmbH & Co. KG12 个研究点 分布在 3 个国家目标入组 400 人开始时间: 2025年1月24日最近更新:

试验速览

阶段
2 期
状态
招募中
入组人数
400
试验地点
12
主要终点
Change from baseline to Week 6 and Week 12 in the following test scores: • Digit span forward and backward test • Verbal fluency test • TMT (A + B) • CVLT • d2-R

研究概览

简要总结

To evaluate the effect of EGb 761® (240mg QD) compared to placebo on objective cognitive outcomes in participants with cognitive impairment associated with PCS

研究设计

分配方式
Randomized
主要目的
Tripple Blind Period
盲法
Double (Subject, Analyst, Monitor, Carer, Investigator)

入排标准

年龄范围
18 years 至 65+ years(18-64 Years, 65+ Years)
接受健康志愿者

入选标准

  • Male or female outpatient, aged ≥18 years at the time of signing the ICF
  • Diagnosis of PCS based on the World Health Organisation (WHO) definition, requires a history of probable or confirmed severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection and PCS continuing at least beyond 3 months from the onset of coronavirus disease (COVID-19) symptoms. Symptoms should last for at least 2 months and cannot be explained by an alternative diagnosis; symptoms have an impact on everyday functioning, as indicated by a physician-rated post COVID functional status scale (PCFSS) score between 2 and 4; symptoms may be new onset following initial recovery from an acute COVID-19 episode or persist from the initial illness, and they may fluctuate or relapse over time
  • History of probable or confirmed SARS-CoV-2 infection, confirmed by at least one of the following: positive polymerase chain reaction (PCR) test at the time of infection, positive antigen test at the time of infection along with clinical or epidemiological criteria, physician’s diagnosis based on a positive PCR or antigen test along with clinical or epidemiological criteria, presence of immunoglobulin G-antibody to the viral nucleocapsid antigen (anti-N IgG) antibodies, or presence of immunoglobulin G antibody to the viral spike antigen (anti-S IgG) antibodies in unvaccinated participants
  • Presence of persisting subjective cognitive problems for at least 2 months, associated with PCS and arising after the SARS-CoV-2 infection
  • Objective cognitive impairment, defined as deficits in at least one of the following 2 domains of cognition: memory (assessed by the California Verbal Learning Test [CVLT], long delay-free recall, below the 50th percentile for age and education) and executive functioning (assessed by the Trail-Making Test part B (TMT)-B, below the 50th percentile for age and education)
  • Concomitant mild to moderate anxiety or depressive symptoms, defined as a Generalized Anxiety Disorder-7 (GAD-7) score between 5 to 14 and/or Patient Health Questionnaire-9 (PHQ-9) score between 5 to 19.

排除标准

  • Participants who required mechanical ventilation at an intensive care unit during the acute SARS CoV 2 infection
  • Presence of haemorrhagic diatheses, coagulation disorder, gastric or duodenal ulcer
  • Presence of acute or chronic neurologic diseases within the last 12 months, such as stroke, transient ischemic attack (TIA), Parkinson’s disease, Alzheimer’s disease, seizure disorders, craniocerebral trauma, brain haemorrhage, multiple sclerosis, or cognitive impairment or dementia before acute COVID-19
  • Presence of acute or chronic psychiatric diseases within the last 12 months, including severe depression (PHQ-9 ≥20), severe anxiety (GAD-7 ≥15), significant primary sleep disorder, attention deficit hyperactivity disorder, bipolar disorder, substance use disorders, addictive behaviours, or schizophrenia. Mild to moderate psychiatric symptoms triggered by the SARS-CoV-2 infection will be allowed
  • Presence of severe or unstable internal disorders, such as cancer (with exceptions), active bacterial infections or known HIV infection, uncontrolled diabetes mellitus, uncontrolled arterial hypertension, known cardiac arrhythmia (Lown-classification IVb and V), heart failure NYHA III or IV, severe coronary heart disease, unstable angina pectoris, recent heart attack within last 6 months
  • Intake of Ginkgo biloba products within the last 12 weeks
  • History of postexertional malaise (PEM) persisting a week or longer in response to an exertion comparable to the planned site visits within the last 8 weeks

结局指标

主要结局

Change from baseline to Week 6 and Week 12 in the following test scores: • Digit span forward and backward test • Verbal fluency test • TMT (A + B) • CVLT • d2-R

Change from baseline to Week 6 and Week 12 in the following test scores: • Digit span forward and backward test • Verbal fluency test • TMT (A + B) • CVLT • d2-R

Change from baseline to Week 6 and Week 12 in the following questionnaire scores: • GAD-7 test • PHQ-9 tes

Change from baseline to Week 6 and Week 12 in the following questionnaire scores: • GAD-7 test • PHQ-9 tes

Change from baseline to Week 6 and Week 12 in the 11-point box scale score for vertigo and tinnitus

Change from baseline to Week 6 and Week 12 in the 11-point box scale score for vertigo and tinnitus

Change from baseline to Week 6 and Week 12 in the following test/questionnaire scores: • CGI-S • PCFSS • MFIS • mPEM-DSQ • SBQ-LC test • CGI-I at Week 6 and Week 12

Change from baseline to Week 6 and Week 12 in the following test/questionnaire scores: • CGI-S • PCFSS • MFIS • mPEM-DSQ • SBQ-LC test • CGI-I at Week 6 and Week 12

Number of patients with AEs, ADRs and SAEs

Number of patients with AEs, ADRs and SAEs

次要结局

未报告次要终点

研究者

申办方类型
Pharmaceutical company
责任方
Principal Investigator
主要研究者

Anna Wacker

Scientific

Dr. Willmar Schwabe GmbH & Co. KG

研究点 (12)

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