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In November 2019, Wuhan city in China, became the center of an outbreak of pneumonia due to a novel coronavirus SARS-CoV-2, which disease was named coronavirus disease 2019 (COVID19) in February, 2020. The COVID19 is much more dangerous for people over 60 with a death rate of 3.6% after 60, 8.0% after 70 and 14.8% after 80 -and according to our Italian colleagues over 20% after 90- against 2.3% in the general population. The elderly patients who died most often had multiple comorbidities and in particular: cardiovascular disease (10.5% mortality), diabetes (7.3%), chronic respiratory disease (6.3%) and hypertension (6%). These elderly patients with COVID19 are therefore very fragile and require treatment that fights the virus but is also adapted to their state of health and age. Most of current therapeutic trials worldwide exclude people aged over 75 years, which is precisely the age group affected by COVID19. We therefore propose to carry out a therapeutic trial specific to the elderly with drugs at doses that are bearable for these patients. Using the WHO, clinicaltrial, pubmed and the Chinese CCDC/CHCTR websites to find the better drugs adapted to elderly people, we decided after concertation between infectiologists and geriatricians to do a four arms clinical trial during two weeks twice a day: Hydroxychloroquine 200mg, Telmisartan 40mg, Azithromycin 250mg and standard care. We therefore hypothesize that one or more of these treatments may have a beneficial effect in controlling COVID19, without major and repeated side effects in elderly patients.
Full description
In the absence of a validated treatment, any patient over 75 years -or demented above 60- of age arriving in one of our hospital centres with a COVID19 infection objectified by RT-PCR will be offered this therapeutic trial. Patients will be randomized. During their hospitalization, they will be closely monitored clinically. It means daily evaluation of temperature, pulse, respiratory rate, blood pressure, need for oxygen therapy and general clinical examination. The lung severity scale and WHO scale will be done daily. Any side effects of any kind, in particular serious side effects will be reported within 24 hours on the electronic CRF. RT-PCR with search for SARS-Cov-2 will be evaluated at D0, D7 and D14. A blood sample will be taken at D0, D7 and D14 with blood count, CRP and biobanking. Functional scales (ADL, confusion scale, walking) will be evaluated every 3 days. If death occurs, the precise circumstances and time of death will be transmitted, as well as the precise origin of death: only COVID19 or other associated disease (bacterial infection, heart failure, kidney failure, etc...).
Symptomatic treatment will be at the discretion of the clinician, but will be recorded in the eCRF, particularly in relation to the use of corticosteroids or other immunomodulators.
The study will consist of 1600 patients over 75 years of age (or above 60 demented) with COVID19 requiring hospitalization, equally divided into four groups with the following treatment during two weeks for each arm:
The choice of these three drugs was done considering the benefit-risk balance, i.e. by choosing drugs with few side effects but high potential for elderly people (including severe renal insufficiency). Hydroxychloroquine was chosen because 1. This drug was demonstrated to be potent and more potent than Chloroquine at inhibiting SARS-CoV-2 in vitro. An unpublished clinical trial with 100 patients showing superiority of chloroquine compared to placebo with improvement of lung image findings, promotion a virus-negative conversion and shortening the disease course . An open-label non randomized clinical trial with 42 patients showing a faster reduction of the virus in the Hydroxychloroquine treated group. Azithromycin was associated in the previous trial with Hydroxychloroquine with positive results on RT-PCR. Recently bioinformatic analysis conclude to SARS-CoV-2 protease inhibition with Macrolides. Moreover macrolides are known to have immunomodulatory effects, which could be of interest in the context of hyperinflammation. Telmisartan is an angiotensin 2 AT1 receptor antagonist. COVID19 use ACE2 as a receptor, a modulator of the activity of different angiotensin. The COVID19-ACE2 interaction increases the activity of angiotensin and thus increases the activity of the AT1 receptor, that results in increased pulmonary vascular permeability and therefore contributes to lung injury. Thus Telmisartan could be a protector against lung injury due to Sars-Cov-2, inhibiting AT1 receptor.
The expected benefits are multiple thanks to this original project:
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Inclusion criteria
pneumopathy and/or upper airway infection and/or respiratory distress, confusion and/or encephalopathy and/or signs of encephalitis, walking disorders with ataxia and/or falls, digestive problem (diarrhea and/or vomiting)
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16 participants in 4 patient groups
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Data sourced from clinicaltrials.gov
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