Treatment of COVID-19 Cases and Chemoprophylaxis of Contacts as Prevention (HCQ4COV19)
COVID-19

About this trial
This is an interventional prevention trial for COVID-19
Eligibility Criteria
Study 1:
Inclusion Criteria for a contact:
- Asymptomatic individuals exposed to a PCR confirmed COVID19 case within 7 days as either a healthcare worker or household contact
- Aged ≥18 years male or female;
- In women of childbearing potential, negative pregnancy test and commitment to use contraceptive method throughout the study.
- Willing to take study medication;
- Willing to comply with all study procedures;
- Able to provide oral, informed consent and/or assent.
Exclusion Criteria for a contact:
- With known history of cardiac arrhythmia (or QT prolongation syndrome);
- Unable to take drugs by mouth;
- With significantly abnormal liver function (Child Pugh C)
- Need of dialysis treatment, or GFR≤30 mL/min/1.73 m2;
- Participants with psoriasis, myasthenia, haematopoietic and retinal diseases,CNS-related hearing loss or glucose-6-phosphate dehydrogenase deficit;
- Persons already treated with any of the study drugs during the last 30 days;
- Pregnant or lactating women;
- Any contraindications as per the Data Sheet of Hydroxychloroquine.
Study 2:
Inclusion Criteria for a case:
- Patients who meet the requirements of the New Coronavirus Infection Diagnosis (Acute <5 days respiratory infection symptoms, or fever alone, or acute cough alone and positive PCR)
- Aged ≥18 years male or female;
- In women of childbearing potential, negative pregnancy test and commitment to use contraceptive method throughout the study.
- Willing to take study medication
- Willing to comply with all study procedures, including repeat nasal swab at day 3
- Able to provide oral and written informed consent
Exclusion Criteria for a case:
- Hospital admission
- Serious condition meeting one of the following: (1) respiratory distress with respiratory rate >=30 breaths/min; (2) oxygen saturation<=93% on quiet status; (3) Arterial partial pressure of oxygen (PaO2)/oxygen concentration<=300mmHg;
- Critically ill patients meeting one of the following: (1) Experience respiratory failure and need to receive mechanical ventilation; (2) Experience shock; (3) Complicated with other organs failure and need intensive care and therapy in ICU;
- Participants under treatment with medications likely to interfere with experimental drugs
- Unable to take drugs by mouth;
- With significantly abnormal liver function (Child Pugh C)
- Need of dialysis treatment, or GFR≤30 mL/min/1.73 m2;
- Participants with psoriasis, myasthenia, haematopoietic and retinal diseases,CNS-related hearing loss or glucose-6-phosphate dehydrogenase deficit
- Participants with severe neurological and mental illness;
- Pregnant or lactating women;
- Inability to consent and/or comply with study protocol;
- Individuals with known hypersensitivity to the study drugs.
- Persons already treated with any of the study drugs during the last 30 days.
- Any contraindications as per the Data Sheet of Hydroxychloroquine.
Sites / Locations
- Departament de Salut
Arms of the Study
Arm 1
Arm 2
Active Comparator
Experimental
No Intervention- SARS-CoV-2 surveillance
Testing, treatment and prophylaxis of SARS-CoV-2
Study 1- Contacts will complete a survey collecting demographic, epidemiological and clinical data and provides a swab for RT-PCR testing at baseline and day 14. Study 2- Index case completes a survey collecting demographic, epidemiological and clinical data and provides a swab for RT-PCR testing at baseline and on days 3 and 7. Isolation of patient and contact tracing as per national guidelines.
Study 1- Contacts receive Hydroxychloroquine prophylaxis. Contacts will complete a survey collecting demographic, epidemiological and clinical and provides a swab for RT-PCR testing at baseline and day 14. Study 2- Index case receives Hydroxychloroquine. Index case completes a survey collecting demographic, epidemiological and clinical data and provides a swab for RT-PCR testing at baseline and on days 3, and 7. Isolation of patient and contact tracing as per national guidelines.