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A Pilot Study of Sildenafil in COVID-19

A Pilot Study of Sildenafi in the Treatment of COVID-19

Status
UNKNOWN
Phases
Phase 3
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT04304313
Enrollment
10
Registered
2020-03-11
Start date
2020-02-09
Completion date
2020-11-09
Last updated
2020-03-17

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

COVID-19

Brief summary

Observe the efficacy and safety of G1(Sildenafil citrate tablets) in patients with COVID-19 under clinical actual diagnosis and treatment conditions

Interventions

DRUGSildenafil citrate tablets

0.1g/day for 14 days

Sponsors

Tongji Hospital
Lead SponsorOTHER

Study design

Allocation
NA
Intervention model
SINGLE_GROUP
Primary purpose
TREATMENT
Masking
NONE

Eligibility

Sex/Gender
ALL
Age
18 Years to No maximum
Healthy volunteers
No

Inclusion criteria

1. Patients diagnosed as COVID-19: 1. mild patient: fever,respiratory and other symptoms, the manifestation of pneumonia can be seen on imaging. 2. severe patients: meet the definition of severe pneumonia(comply with any of the followings): Shortness of breath,RR≥30 bpm;In a resting state:SPO2≤93%;PaO2/FiO2≤300mmHg. 2. Age≥18 years old,unlimited gender. 3. Patients who cannot stop the following drugs during the trial:erythromycin or strong inhibitors of CYP3A4 (such as saquinavir,ketoconazole,itraconazole),nonspecific inhibitors of CYP (such as cimetidine),HIV protease inhibitors (such as ritonavir). 4. Willing to participate in this study,signed Informed Consent and willing to participate in regular follow-up during the study.

Exclusion criteria

1. Suffer from severe cognitive impairment or mental illness. 2. Pregnant and lactating women. 3. Patients taking nitric oxide drugs and nitrates in any dosage form. 4. Patients with malignant tumors;AMI, stroke or life-threatening arrhythmias within 6 months;hereditary pigmented retinitis;heart failure or unstable angina pectoris of coronary heart disease;patients with severe hypotension and hypertension. 5. Patients who are allergic to the study drug or the researcher believes it is not appropriate. 6. Participate in other clinical studies at the same time.

Design outcomes

Primary

MeasureTime frameDescription
Rate of disease remission14 days1. fever,cough and other symptoms relieved with improved lung CT; 2. SPO2\>93% or PaO2/FiO2 \>300mmHg without oxygen inhalation.
Rate of entering the critical stage14 daysComply with any of the followings: 1. Respiratory failure occurs and requires mechanical ventilation; 2. Shock; 3. Patients combined with other organ failure need ICU monitoring and treatment.
Time of entering the critical stage14 daysComply with any of the followings: 1. Respiratory failure occurs and requires mechanical ventilation; 2. Shock; 3. Patients combined with other organ failure need ICU monitoring and treatment.

Secondary

MeasureTime frameDescription
Rate of C-reactive protein (CRP) recovery14 days
Rate of Biochemical criterion (CK, ALT, Mb) recovery14 days
Rate of no fever14 days
Time for hospitalization14 daysFrom the date of enrollment to the time when the subject is released from the hospital or transferred to the corresponding department for treatment of other diseases according to the condition.
Rate of adverse event14 daysAll adverse events will be coded and described using the International Medical Terms Dictionary (MedDRA).
Rate of undetectable viral RNA (continuous twice)14 days
Rate of respiratory symptom remission14 days
Rate of lung imaging recovery14 days

Countries

China

Contacts

Primary ContactQing Ning, Professor
qning@vip.sina.com+8613971521450
Backup ContactMeifang Han, Professor
mfhan@foxmail.com+8613986093605

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 25, 2026