Medical Information Only. Always consult your healthcare provider before enrolling in any clinical trial.

NCT04663737 · ClinicalTrials.gov registry record · Phase 2

Evaluating Safety, Pharmacokinetics and Clinical Benefit of Silmitasertib (CX-4945) in Subjects With Moderate COVID-19

A Phase 2 study of COVID-19, sponsored by Senhwa Biosciences.

Completed
Registry status
Phase 2
Development phase
20
Enrollment target
1
Study location

NCT04663737: Completed Phase 2 study of COVID-19, sponsored by Senhwa Biosciences.

NCT04663737 is a Phase 2 study of COVID-19 that has completed, run by Senhwa Biosciences. The registered enrollment target is 20 participants, below the 38,465-participant average among 298 other COVID-19 trials with a reported enrollment target (100% lower). The trial reports 1 study location across 1 state. According to ClinicalTrials.gov, the official US trial registry.

View on ClinicalTrials.gov ↗

View your shortlist →

The verdict

NCT04663737, a Phase 2 study of COVID-19, has completed, sponsored by Senhwa Biosciences.

COMPLETED
Registry status
Phase 2
Development phase
20 participants
Enrollment target
1
Study location

Study Summary

This single-center, open-label, 2 arm parallel-group, randomized, interventional prospective exploratory study in 20 subjects aimed to evaluate safety and explore putative clinical benefits of Silmitasertib 1000 mg BID dose in patients with moderate COVID-19. Two-arm trial comparing the SOC/supportive care alone to the SOC/supportive care with addition of Silmitasertib (allocation ratio 1:1).

Primary Outcome

To assess adverse events associated with the administration of CX-4945 orally, twice daily to patients with moderate COVID-19. The occurrence of overall AEs in the two treatment groups are summarized.

Conditions Studied

Interventions

  • DRUG Silmitasertib
  • DRUG SOC

Study Locations (1)

Georgia

  • Center for Advanced Research and Education - Gainesville

Trial Details

FieldValue
Enrollment Target 20 participants
Start Date 2020-11-30
Est. Completion 2021-10-04
Phase Phase 2
Senhwa Biosciences

4 total trials

What the finished NCT04663737 record still lists

NCT04663737 is an interventional study that assigns participants to a tested intervention. The registry caps enrollment at 20 participants, a relatively small participant target, below the 38,465-participant average among 298 other COVID-19 trials with a reported enrollment target (100% lower).

The record links to 1 condition, with COVID-19 appearing as the primary indexed condition, and to 2 interventions - of which Silmitasertib is the first listed.

NCT04663737 reports a single indexed study location in Georgia.

Frequently Asked Questions

What is clinical trial NCT04663737 about?

NCT04663737 is a clinical study titled "Evaluating Safety, Pharmacokinetics and Clinical Benefit of Silmitasertib (CX-4945) in Subjects With Moderate COVID-19". This single-center, open-label, 2 arm parallel-group, randomized, interventional prospective exploratory study in 20 subjects aimed to evaluate safety and explore putative clinical benefits of Silmitasertib 1000 mg BID dose in patients with moderate COVID-19. Two-arm trial comparing the SOC/supporti...

What is the current status of trial NCT04663737?

This trial is currently completed. It is a Phase 2 study. The enrollment target is 20 participants. The study started on 2020-11-30. Estimated completion is 2021-10-04.

What conditions does trial NCT04663737 study?

This clinical trial studies the following conditions: COVID-19.

What interventions are being tested in trial NCT04663737?

The interventions under investigation include: Silmitasertib (DRUG), SOC (DRUG).

Who is sponsoring clinical trial NCT04663737?

This trial is sponsored by Senhwa Biosciences, which has 4 total clinical trials registered on ClinicalTrials.gov.

Where is trial NCT04663737 being conducted?

This trial has 1 study location across Georgia. Contact the study sites directly through ClinicalTrials.gov for enrollment availability.

Similar trials for COVID-19

Matched on the same primary condition, ranked to surface studies in the same phase first, then by recruiting status, no relevance scoring or editorial curation.

Where NCT04663737's enrollment target sits among peer trials

20 279th of 298 higher than 14 of 298 other COVID-19 trials

participants (enrollment target), bucketed by value

Each bar is a band; taller bars hold more other COVID-19 trials. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count and share, and where it sits relative to this entry.

Source ClinicalTrials.gov registry export · 2026-08-08

Nationwide trials with similar profiles

Cross-condition peers matched on enrollment target and registry start date, not the same-condition list above.

Similar enrollment target

  • NCT00573339 · 20 participants

    Cardiac Magnetic Resonance Imaging (MRI) Normal Reference Control Group Testing

  • NCT00692939 · 20 participants · Phase 1

    Autologous Stem Cell Transplantation for Crohn's Disease

  • NCT00967785 · 20 participants · Phase 1

    A Phase I Study of Mozobil in the Treatment of Patients With WHIMS

  • NCT01406691 · 20 participants · Phase 4

    Light Flashes to Treat Delayed Sleep Phase Disorder (DSPD)

Similar registry start date

  • NCT05962346 · started 2026-12 · NA

    Fetal Endoscopic Tracheal Occlusion for Congenital Diaphragmatic Hernia

  • NCT07125183 · started 2026-12 · Phase 2

    Study on Efficacy and Tolerability of Weekly Doxorubicin in Elderly Patients With Advanced or Metastatic Leiomyosarcoma

  • NCT07292298 · started 2026-11 · Phase 2

    Phase 2 Single-Arm Rectal Cancer Brachytherapy for Patients With Low-Lying Residual Adenocarcinoma After Total Neoadjuvant Therapy to Improve Organ Preservation Rates

  • NCT04263285 · started 2026-10 · NA

    Treatment of Depression Post-SCI

Source: ClinicalTrials.gov NCT04663737, the US trial registry maintained by the National Library of Medicine. NCT04663737 (small enrollment · single site footprint · completed) retrieved and formatted by PlainTrial, see methodology.