Sirolimus in COVID-19 Phase 1 (SirCO-1)
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ClinicalTrials.gov Identifier: NCT04371640 |
Recruitment Status :
Withdrawn
(Study population not regularly admitted to hospital and approaches have shifted away from repurposing old drugs.)
First Posted : May 1, 2020
Last Update Posted : December 3, 2021
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Condition or disease | Intervention/treatment | Phase |
---|---|---|
SARS-CoV-2 Covid-19 | Drug: Sirolimus 1 MG/ML Drug: Placebo | Phase 1 |
Study Type : | Interventional (Clinical Trial) |
Actual Enrollment : | 0 participants |
Allocation: | Randomized |
Intervention Model: | Parallel Assignment |
Masking: | Quadruple (Participant, Care Provider, Investigator, Outcomes Assessor) |
Primary Purpose: | Treatment |
Official Title: | A Randomized, Double-Blinded, Placebo-Controlled Trial Evaluating the Virological Efficacy, Safety, Tolerability, Pharmacokinetics, and Pharmacodynamics of Sirolimus Adjuvant Therapy in Patients With Coronavirus Disease (COVID-19) |
Actual Study Start Date : | July 6, 2020 |
Actual Primary Completion Date : | July 30, 2021 |
Actual Study Completion Date : | July 30, 2021 |

Arm | Intervention/treatment |
---|---|
Active Comparator: Sirolimus
Sirolimus + standard medical care Day 1: 10mg Days 2-7: 5mg
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Drug: Sirolimus 1 MG/ML
Oral solution
Other Name: Rapamune |
Placebo Comparator: Placebo
Placebo + standard medical care Day 1: 10mL Days 2-7: 5mL
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Drug: Placebo
Oral solution |
- Change in SARS-CoV-2 viral burden from baseline to day 7 of treatment [ Time Frame: Baseline, and days 1, 2, 3, 4, 5, 6, & 7 post-dose for all patients ]SARS-CoV-2 viral burden will be quantified for both arms using a qRT-PCR
- Change in SARS-CoV-2 viral burden at days 1-6 [ Time Frame: Days 1, 2, 3, 4, 5, and 6 post-dose for all patients ]SARS-CoV-2 viral burden will be quantified for both arms using a qRT-PCR
- Rate of treatment emergent adverse events [ Time Frame: Days 1, 2, 3, 4, 5, and 6 post-dose for all patients ]Safety and tolerability of sirolimus in patients with COVID-19

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Ages Eligible for Study: | 18 Years to 65 Years (Adult, Older Adult) |
Sexes Eligible for Study: | All |
Accepts Healthy Volunteers: | No |
Inclusion Criteria:
- Male or non-pregnant female >/=18 and </=65 years of age at the time of consent
- Laboratory confirmed SARS-CoV-2 infection
- Investigator-estimated hospitalization duration of at least 5 days
Exclusion Criteria:
- Need for >4 liters nasal cannula oxygen to maintain oxygen saturation >90%
- Hypersensitivity to sirolimus
- Pregnant or breastfeeding
- Anticipated transfer to another study hospital within 72 hours
- Alanine transaminase (ALT) >3 times the upper limit of normal
- Creatinine clearance <30mL/min as estimated by Cockcroft-Gault
- Underlying immunosuppression due to daily >5 mg prednisone equivalent a day, prior solid organ transplant, or other immunosuppression deemed by investigator to be potentially unsafe
- Co-administration with strong inhibitors of CYP3A4 and/or P-glycoprotein (P-gp) (such as ketoconazole, voriconazole, itraconazole, telithromycin, clarithromycin and others)
- Co-administration with strong inducers of CYP3A4 and/or P-glycoprotein (P-gp) (such as phenytoin or rifampin)
- Anticipated surgery within 1 month
- Need for healing of a fracture or a significant soft tissue wound

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): NCT04371640
United States, Pennsylvania | |
Thomas Jefferson University Hospital | |
Philadelphia, Pennsylvania, United States, 19107 |
Principal Investigator: | Walter K Kraft, MD | Thomas Jefferson University |
Responsible Party: | Walter K. Kraft, Principal Investigator, Thomas Jefferson University |
ClinicalTrials.gov Identifier: | NCT04371640 |
Other Study ID Numbers: |
15680 |
First Posted: | May 1, 2020 Key Record Dates |
Last Update Posted: | December 3, 2021 |
Last Verified: | December 2021 |
Individual Participant Data (IPD) Sharing Statement: | |
Plan to Share IPD: | No |
Studies a U.S. FDA-regulated Drug Product: | Yes |
Studies a U.S. FDA-regulated Device Product: | No |
Product Manufactured in and Exported from the U.S.: | Yes |
COVID-19 Pneumonia, Viral Pneumonia Respiratory Tract Infections Infections Virus Diseases Coronavirus Infections Coronaviridae Infections Nidovirales Infections RNA Virus Infections Lung Diseases |
Respiratory Tract Diseases Sirolimus Anti-Bacterial Agents Anti-Infective Agents Antibiotics, Antineoplastic Antineoplastic Agents Antifungal Agents Immunosuppressive Agents Immunologic Factors Physiological Effects of Drugs |