The Phase 2 Study to Evaluate the Safety and Efficacy of Clevudine in Patients With Moderate COVID-19
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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: NCT04347915 |
Recruitment Status :
Recruiting
First Posted : April 15, 2020
Last Update Posted : January 27, 2021
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Condition or disease | Intervention/treatment | Phase |
---|---|---|
COVID-19 | Drug: Clevudine Drug: Placebo | Phase 2 |
Study Type : | Interventional (Clinical Trial) |
Estimated Enrollment : | 60 participants |
Allocation: | Randomized |
Intervention Model: | Parallel Assignment |
Masking: | Single (Participant) |
Primary Purpose: | Treatment |
Official Title: | A Single Blind, Randomized, Placebo-controlled, Multi-center Phase 2 Study to Evaluate the Safety and Efficacy of Clevudine in Patients Diagnosed With Moderate COVID-19 |
Actual Study Start Date : | May 6, 2020 |
Estimated Primary Completion Date : | January 30, 2021 |
Estimated Study Completion Date : | March 31, 2021 |

Arm | Intervention/treatment |
---|---|
Experimental: Clevudine
Clevudine 120mg (4 capsules) once a day will be administered orally and can be taken regardless of food intake for 14 days (up to 21 days)
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Drug: Clevudine
Clevudine 120mg once a day for 14 days (up to 21 days) |
Placebo Comparator: Placebo
Matching Placebo (4 capsules) once a day will be administered orally and can be taken regardless of food intake for 14 days (up to 21 days)
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Drug: Placebo
Matching Placebo once a day for 14 days (up to 21 days) |
- The rate of subjects tested as negative SARS-Coronavirus-2 (SARS-CoV-2) [ Time Frame: within 15days ]The primary efficacy endpoint for this clinical trial is the rate of patients with negative SARS-Coronavirus-2 (SARS-CoV-2) in a two-day continuous Real-Time-RT-PCR test from baseline to before the 15th day.
- The rate of subjects tested as negative SARS-Coronavirus-2 (SARS-CoV-2) in consecutive two days of Real-Time RT-PCR tests [ Time Frame: Day 4, 8, 11, 15, 22, 29(or EOT) day comparing the baseline ]
- The rate of subjects indicated by the improvement of lung invasive [ Time Frame: within Day 29 (or EOT) ]
- The change of viral load [ Time Frame: Day 4, 8, 11, 15, 22, and 29(or EOT) comparing the baseline ]

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: | 19 Years and older (Adult, Older Adult) |
Sexes Eligible for Study: | All |
Accepts Healthy Volunteers: | No |
Key Inclusion Criteria:
- Over 19 years of age
- COVID-19 confirmed by a real-time RT-PCR tests 4 days prior to clinical trial enrollment
- Patients with peripheral capillary oxygen saturation (SPO2) greater than 94% at the time of screening
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Patients whose body temperature is measured according to the measured area without taking a fever reducer during screening:
[armpit of greater than 37.0 °C or an oral of greater than 37.2 °C; Patients with rectum greater than 37.6 °C or eardrum greater than 37.5 °C] (Notes: Although you take a fever reducer, you can still be enrolled in after investigator's judgement whether there is fever or not.)
- Patients with evidence of lung invasions as a result of radiation tests
Exclusion Criteria:
- Patients who need breathing device (for example, Invasive ventilation, Invasive mechanical ventilation, Extra-corporeal membrane oxygenation).
- Patients who participated in other clinical trials related to COVID-19.
- Patients who were administered drugs directly to COVID-19 24 hours prior to the start of the study.
- Patients whose AST or ALT has increased by more than 5 times the normal lab value.

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): NCT04347915
Contact: Bukwang Bukwang | +82-2-828-8114 | bk.E106@bukwang.co.kr |
Korea, Republic of | |
Korea University Guro Hospital | Recruiting |
Seoul, Korea, Republic of |
Principal Investigator: | Woo-Joo Kim, M.D.,Ph.D. | Korea University Guro Hospital |
Responsible Party: | Bukwang Pharmaceutical |
ClinicalTrials.gov Identifier: | NCT04347915 |
Other Study ID Numbers: |
BK-CLV-201 |
First Posted: | April 15, 2020 Key Record Dates |
Last Update Posted: | January 27, 2021 |
Last Verified: | January 2021 |
Studies a U.S. FDA-regulated Drug Product: | No |
Studies a U.S. FDA-regulated Device Product: | No |
Coronavirus disease-19(COVID-19) |
Clevudine Antiviral Agents Anti-Infective Agents |