Description for medicine or protocol of treatment in detail:
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1 Conventional Treatment
(1) Isolation Treatment: Suspected and confirmed cases should be treated in hospitals with effective isolation and protection conditions. Suspected cases should be treated in isolation in a single room. Confirmed cases can occupy same room. Critical cases should be admitted to ICU as soon as possible.
(2) General Treatment
1) Patient should rest in bed ,given strengthen supportive treatment, and ensured with sufficient heat; special attention needs to be given to water and electrolyte balance and maintenance internal environment stability; vital signs and oxygen saturation need to be closely monitored.
2) Blood routine, urine routine, CRP, biochemical indicators (liver enzyme, myocardial enzyme, kidney function, etc.), coagulation function, arterial blood gas analysis, chest imaging, etc. should be monitored according to the condition. Cytokine analysis need to be conducted if conditions allows.
3) Effective oxygen therapy measures should be given in time, including nasal cannula, mask oxygen supply and trans-nasal high-flow oxygen therapy.
4) Antiviral therapy: At present, no confirmed effective antiviral therapy is available. Try alpha-interferon inhalation (5 million U or equivalent per adult, add 2ml of sterile water for injection twice daily), lopinavir / ritonavir (200 mg / 50mg, each capsule ) 2 capsules, 2 times daily, or ribavirin (the first dose for adults 4g, 8 hours the next day, 1.2g each time, or 8mg / Kg iv. once every 8 hours). Pay attention to adverse events such as diarrhea, nausea, vomiting, and liver damage related to lopinavir / ritonavir, and pay attention to other drug interactions.
5) Antibacterial treatment: Avoid blind or inappropriate use of antibacterial drugs, especially the combination of broad-spectrum antibacterial drugs.
2 Study Treatment
(1) Treatment group: conventional treatment + Tanreqing Capsules (oral, 3 capsules at a time, 3 times a day).
(2) Control group: conventional treatment.
3 Treatment Duration
Treatment duration should be within 7-14 days.
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Exclusion criteria:
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(1) Immunodeficiency disease, or those who have used immunosuppressive agents or glucocorticoids within the past 3 months;
(2) Preparing pregnant, pregnant and lactating women;
(3) Patients with allergies (referring to allergies to two or more medicines, foods or known ingredients in this study);
(4) Patients with mental illness, or have no cognitive ability;
(5) Patients with an estimated survival time of less than 48 hours from the start of screening;
(6) Those who have been intubated or mechanically ventilated at the time of screening;
(7) Obvious symptoms of heart, liver, kidney or various other systems, ALT, AST exceed 1.5 times the upper limit of normal value;
(8) Believed to be not suitable to participate in clinical trials by investigator.
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