Efficacy of Pragmatic Same-day COVID-19 Ring Prophylaxis for Adult Individuals Exposed to SARS-CoV-2 in Switzerland (COPEP)
![]() |
The safety and scientific validity of this study is the responsibility of the study sponsor and investigators. Listing a study does not mean it has been evaluated by the U.S. Federal Government. Know the risks and potential benefits of clinical studies and talk to your health care provider before participating. Read our disclaimer for details. |
ClinicalTrials.gov Identifier: NCT04364022 |
Recruitment Status :
Recruiting
First Posted : April 27, 2020
Last Update Posted : September 2, 2020
|
- Study Details
- Tabular View
- No Results Posted
- Disclaimer
- How to Read a Study Record
Condition or disease | Intervention/treatment | Phase |
---|---|---|
Prevention of COVID-19 | Drug: Lopinavir/ritonavir | Phase 3 |
Study Type : | Interventional (Clinical Trial) |
Estimated Enrollment : | 300 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 |
Estimated Primary Completion Date : | March 2021 |
Estimated Study Completion Date : | March 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)

Choosing to participate in a study is an important personal decision. Talk with your doctor and family members or friends about deciding to join a study. To learn more about this study, you or your doctor may contact the study research staff using the contacts provided below. For general information, Learn About Clinical Studies.
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 PCR-confirmed SARS-CoV-2 positive individual
- ≥ 16 years of age;
- Informed consent as documented by signature (including parent's or legal guardian's signature if the participant is 16 and 18 y.o.);
Exclusion criteria*:
- Fever (temperature >38.0°) and/or respiratory symptoms (cough, dyspnoea) 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
- 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
Contact: Alexandra Calmy, Prof | 223729811 ext 41 | alexandra.calmy@hcuge.ch |
Switzerland | |
Universitätsspital Basel and SwissTPH | Recruiting |
Basel, Switzerland | |
Hôpitaux Universitaires de Genève | Recruiting |
Geneva, Switzerland | |
Contact: Alexandra Calmy, Prof | |
Principal Investigator: Alexandra Calmy, Prof | |
Ospedale Regionale di Lugano | Recruiting |
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: | September 2, 2020 |
Last Verified: | August 2020 |
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 |
Ritonavir Lopinavir HIV Protease Inhibitors Protease Inhibitors Enzyme Inhibitors Molecular Mechanisms of Pharmacological Action |
Anti-HIV Agents Anti-Retroviral Agents Antiviral Agents Anti-Infective Agents Cytochrome P-450 CYP3A Inhibitors Cytochrome P-450 Enzyme Inhibitors |