Efficacy of Pragmatic Same-day COVID-19 Ring Prophylaxis for Adult Individuals Exposed to SARS-CoV-2 in Switzerland (COPEP)
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ClinicalTrials.gov Identifier: NCT04364022 |
Recruitment Status :
Completed
First Posted : April 27, 2020
Last Update Posted : April 12, 2021
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Condition or disease | Intervention/treatment | Phase |
---|---|---|
Prevention of COVID-19 | Drug: Lopinavir/ritonavir | Phase 3 |
Study Type : | Interventional (Clinical Trial) |
Actual Enrollment : | 326 participants |
Allocation: | Randomized |
Intervention Model: | Parallel Assignment |
Masking: | None (Open Label) |
Primary Purpose: | Prevention |
Official Title: | Efficacy of Pragmatic Same-day Ring COVID-19 Prophylaxis for Adult Individuals Exposed to SARS-CoV-2 in Switzerland: an Open-label Cluster Randomized Trial |
Actual Study Start Date : | April 23, 2020 |
Actual Primary Completion Date : | March 24, 2021 |
Actual Study Completion Date : | March 24, 2021 |

Arm | Intervention/treatment |
---|---|
Active Comparator: Lopinavir/Ritonavir |
Drug: Lopinavir/ritonavir
2x 200mg/50mg, twice daily for 5 days (bid, PO) |
No Intervention: Active surveillance |
- 21-day incidence of COVID-19 in individuals exposed to SARS-CoV- 2 who are asymptomatic at baseline (intent-to-treat (ITT) analysis). [ Time Frame: 21-day ]
- 21-day incidence of COVID-19 in individuals exposed to SARS-CoV- 2 who are asymptomatic, PCR-confirmed SARS-CoV-2 negative and have negative SARS-CoV-2 serology at baseline (modified ITT) [ Time Frame: 21-day ]
- 21-day incidence of SARS-CoV-2 infection in individuals exposed to SARS-CoV-2 who are asymptomatic, PCR-confirmed SARS-CoV-2 negative and have negative SARS-CoV-2 serology at baseline (modified ITT) [ Time Frame: 21-day ]
- Severity of clinical COVID-19 on a 7-point ordinal scale [ Time Frame: 21-day ](1: not hospitalized, no limitations on activities, 2: not hospitalized, limitation on activities, 3: hospitalized, not requiring supplemental oxygen, 4: hospitalized, requiring supplemental oxygen, 5: hospitalized, on non- invasive mechanical ventilation 6: hospitalized, on invasive mechanical ventilation or ECMO and 7: death)

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Ages Eligible for Study: | 16 Years and older (Child, Adult, Older Adult) |
Sexes Eligible for Study: | All |
Accepts Healthy Volunteers: | Yes |
Inclusion criteria:
- Documented close contact with a person with either a PCR-confirmed SARS-CoV-2 or a positive rapid SARS-CoV-2 antigen test (as per standard of care).
- Enrolment of the participant no more than 7 days since last contact with index case;
- ≥ 16 years of age;
- Informed consent as documented by signature (including parent's or legal guardian's signature if the participant is between 16 and 18 y.o.).
Exclusion criteria*:
- Fever (temperature >38.0°C) and/or respiratory symptoms (cough, dyspnea) and/or new anosmia/ageusia;
- Individuals with previous confirmed SARS-CoV-2 infection, dating within the last six months ;
- Known impairment of liver function;
- Known hypersensitivity to the study medications;
- Use of any medications that are contraindicated with lopinavir/ritonavir using the website www.hiv-druginteractions.org/checker
- Individuals on boosted protease inhibitor (other than LPV) or boosted elvitegravir as part of an antiretroviral therapy
- Inability to be followed-up for the trial period
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Documented vaccination against SARS-CoV-2
- Where necessary, additional biological and clinical assessment will be performed, based on clinical judgement.

To learn more about this study, you or your doctor may contact the study research staff using the contact information provided by the sponsor.
Please refer to this study by its ClinicalTrials.gov identifier (NCT number): NCT04364022
Brazil | |
Instituto Nacional de Infectiologia Evandro Chagas, Fiocruz | |
Rio De Janeiro, Brazil | |
Switzerland | |
Universitätsspital Basel and SwissTPH | |
Basel, Switzerland | |
Hôpitaux Universitaires de Genève | |
Geneva, Switzerland | |
Ospedale Regionale di Lugano | |
Lugano, Switzerland |
Principal Investigator: | Alexandra Calmy, Prof | Hôpitaux Universitaires de Genève | |
Principal Investigator: | Niklaus Labhardt, Prof | Universitätsspital Basel |
Responsible Party: | Calmy Alexandra, Prof. Alexandra Calmy, University Hospital, Geneva |
ClinicalTrials.gov Identifier: | NCT04364022 |
Other Study ID Numbers: |
CCER 2020-00864 |
First Posted: | April 27, 2020 Key Record Dates |
Last Update Posted: | April 12, 2021 |
Last Verified: | April 2021 |
Studies a U.S. FDA-regulated Drug Product: | No |
Studies a U.S. FDA-regulated Device Product: | No |
Product Manufactured in and Exported from the U.S.: | No |
COVID-19 |
COVID-19 Antiviral Agents Respiratory Tract Infections Infections Pneumonia, Viral Pneumonia Virus Diseases Coronavirus Infections Coronaviridae Infections Nidovirales Infections RNA Virus Infections Lung Diseases Respiratory Tract Diseases |
Ritonavir Lopinavir HIV Protease Inhibitors Viral Protease Inhibitors Protease Inhibitors Enzyme Inhibitors Molecular Mechanisms of Pharmacological Action Anti-HIV Agents Anti-Retroviral Agents Anti-Infective Agents Cytochrome P-450 CYP3A Inhibitors Cytochrome P-450 Enzyme Inhibitors |