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This is a multicenter, randomized, double-blind, placebo-parallel-controlled phase II clinical trial. It is designed to evaluate the efficacy, safety, tolerability, and pharmacokinetic (PK) profile of SHEN26 capsules in Chinese patients with mild to moderate COVID-19.
Full description
Eligible patients with mild to moderate COVID-19 will be randomized in a 1:1:1 ratio to SHEN26 low dose group (200 mg), SHEN26 high dose group (400 mg), and placebo group, with 30 patients in each group.
Enrollment
Sex
Ages
Volunteers
Inclusion criteria
Fully understand the trial's purpose, nature, methods, and possible adverse effects, volunteer as a subject, and sign the informed consent form.
Subjects and their female partners are willing to have no childbearing plans and voluntarily use effective contraception and have no plans to donate sperm or eggs from 2 weeks prior to screening until 6 months after the last dose of the study drug, and pledge to use one or more non-pharmacological contraceptives during sexual intercourse from 2 weeks prior to screening until 1 month after the last dose of the study drug.
Age 18-65 years (including boundary values, based on the time of signing the informed consent form) of either sex.
Positive results for SARS-CoV-2 using RT-PCR (Ct value< 25) in nasopharyngeal swab samples with the first positive nucleic acid test collected ≤ 5 days from Day 1 administration.
Patients with a diagnosis of mild or moderate COVID-19 at screening and/or baseline according to the Diagnosis and Treatment Protocol for Novel Coronavirus Pneumonia (Trial Version 9).
Liver function indicators meet the criteria of：
Hemoglobin (Hb) ≥ 90 g/L.
Platelets ≥ 100 × 10^9 /L.
Blood creatinine converted endogenous creatinine clearance (Ccr) > 60 mL/min (according to the Cockcroft-Gault formula).
Exclusion criteria
Subjects diagnosed with severe or critical COVID-19 at screening and/or baseline according to the Diagnosis and Treatment Protocol for Novel Coronavirus Pneumonia (Trial Version 9) or who, in the judgment of the investigator, are likely to progress to severe/critical COVID-19 prior to randomization.
Subjects are expected to be transferred to another hospital prior to randomization or within 72 hours of enrollment.
Subjects with SpO2 ≤ 93% or PaO2/FiO2 ≤ 300 mmHg, or respiratory rate ≥ 30 breaths/minute, or heart rate ≥ 125 beats/minute while breathing room air at sea level for 24 hours prior to dosing.
Subjects who require mechanical ventilation or are expected to require mechanical ventilation.
Subjects infected with COVID-19 within 3 months prior to dosing.
Subjects who have received SARS-CoV-2 monoclonal antibody treatment or prophylaxis within 30 days prior to dosing.
Subjects who have received COVID-19 convalescent plasma or COVID-19 human immunoglobulin treatment within 30 days prior to dosing.
Subjects who have received treatment or prophylaxis with antiviral drugs (e.g., Paxlovid, Molnupiravir, Remdesivir, lopinavir/ritonavir combination, ribavirin, chloroquine, hydroxychloroquine, etc.) within 30 days prior to dosing.
Subjects who have received systemic or inhaled steroids for COVID-19 treatment within 30 days prior to dosing (except for long-term stable dose treatment with concomitant chronic disease and no dose increase).
Subjects who are on dialysis.
Subjects with a history of drug or other allergies or who, in the investigator's judgment, may be allergic to the test drug or any component of the test drug.
Subjects who have undergone major organ surgery (excluding puncture biopsy, tracheotomy, gastrostomy, etc.) or significant trauma within 28 days prior to dosing or who require elective surgery during the trial period.
Subjects with a life-threatening illness within 28 days prior to dosing, or other clinically significant illness as judged by the investigator.
Cardiovascular disease meeting any of the following criteria:
Subjects with suspected or confirmed active systemic infections, such as bacterial, fungal, viral or other infections (other than COVID-19 infections), or with conditions that, in the investigator's judgment, would affect the assessment of endpoints in this study.
Subjects with known HIV infection, or human immunodeficiency virus antibody (HIV-Ab) positive at screening.
Subjects with liver disease meeting any of the following criteria:
Subjects who have difficulty with venous blood collection or have a history of acupuncture and blood sickness.
Female subjects who have tested positive for pregnancy or are breastfeeding during the screening or baseline period.
Subjects who have participated in other drug clinical trials and used other clinical trial drugs within 1 month prior to screening.
Subjects who have received any vaccine within 1 month prior to screening or subjects who are scheduled to receive vaccines (including COVID-19 vaccine boosters) during the trial.
Any other circumstances that, in the investigator's opinion, may affect the subject's ability to provide informed consent or follow the trial protocol, or the subject's participation in the trial may affect the trial results or their own safety.
Primary purpose
Allocation
Interventional model
Masking
91 participants in 3 patient groups, including a placebo group
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Central trial contact
Dandan Xu
Data sourced from clinicaltrials.gov
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