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Safety and Tolerability Study of IV ST266 in COVID-19 Subjects

A Phase 1, Multi-Center, Open-Label, Safety and Tolerability Study of Intravenous Administration of ST266 in Subjects With Confirmed COVID-19 Infection

Status
Completed
Phases
Phase 1
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT04720378
Enrollment
12
Registered
2021-01-22
Start date
2021-05-30
Completion date
2022-05-03
Last updated
2022-06-15

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

Conditions

Cytokine Release Syndrome

Keywords

COVID-19

Brief summary

The primary aim of the study is to evaluate the safety and tolerability of open-label ST266 given to subjects with confirmed COVID-19 infection through IV administration once a day of 5 consecutive days.

Detailed description

This clinical trial will utilize a 3+3 enrollment design with sentinel approach.

Interventions

BIOLOGICALST266

1X ST266

Sponsors

IQVIA Biotech
CollaboratorINDUSTRY
Noveome Biotherapeutics, formerly Stemnion
Lead SponsorINDUSTRY

Study design

Allocation
NON_RANDOMIZED
Intervention model
SEQUENTIAL
Primary purpose
TREATMENT
Masking
NONE

Eligibility

Sex/Gender
ALL
Age
18 Years to 70 Years
Healthy volunteers
No

Inclusion criteria

1. Males and non-pregnant/non-breastfeeding females age 18-70 years of age. 2. Laboratory confirmed SARS-CoV-2 infection determined by PCR or other commercial/public health assay (test results must be obtained within 7-days of the Screening Visit). 3. BMI between 18 and 39 inclusive, with a maximum weight of 150 kg (330lbs). 4. Asymptomatic or mildly symptomatic COVID-19 positive subject with a score of 1 or 2 on the WHO 7-point ordinal scale. 5. Subjects with pulse oximetry of \> 94% on room air 6. Subjects have controlled blood pressure of \< 160/100 mmHg or systolic BP \> 90 mmHg (or 20 mmHg less than usual range, whichever is higher) 7. Subjects with pulse \< 120 bpm 8. Willingness and ability to comply with study-related procedures and assessments. 9. If female, subjects must use an effective method of birth control or abstain from sexual relations with a male partner (unless has undergone tubal ligation or is 1 year postmenopausal) for their duration of study participation. 10. If male, subjects must use an effective method of birth control or abstain from sexual relations with a female partner (unless has undergone a vasectomy and it has been more than 6 months) for their duration of study participation. 11. Subject or subject's legal representative provides written consent prior to the initiation of any Screening or study specific procedures.

Exclusion criteria

1. Subjects requiring immediate admission to the hospital due to complications of COVID-19 infection. 2. Subject has an untreated active bacterial, fungal, viral or other infection not related to COVID-19 infection. 3. Subjects with chronic lung diseases of any etiology including idiopathic pulmonary fibrosis, Tuberculosis, COPD, persistent asthma, and pulmonary hypertension. 4. Subjects with a severe history of cardiac disease (such as congestive heart failure, coronary artery disease, cardiac arrhythmia) 5. Subjects with a history of neurological disorders (such as epilepsy, stroke, encephalopathy, Guillain-Barré syndrome) 6. Subjects with D-dimer \> 2 ug/mL 7. Subjects with a history of coagulopathy or currently taking anti-coagulation medication 8. Subjects with PTT ≥ 100s or INR ≥ 2.75 9. Malignancy in the last 5 years (except successfully treated basal cell carcinoma). 10. Stage 4 severe chronic kidney disease or requiring dialysis (i.e., eGFR \< 30). 11. Subjects with a reactive or positive screening test result For Hepatitis A virus immunoglobulin M (HAV IgM), Hepatitis B Surface Antigen (HBsAg), Hepatitis C Virus Antibody (HCVAb) or Human Immunodeficiency Virus Antibody (HIVAb). 12. TBIL\> 2×ULN, ALT \> 3×ULN, AST\> 3×ULN, or ALP\> 3×ULN. 13. Neutrophils \<1000/mm3, PLT\<50×10\^9/L, or HGB\<8g/dL 14. Previous participation in any other interventional clinical trial for the treatment for COVID-19. 15. Subject actively participating in any other clinical study (with the exception of observational studies where there is no intervention with an investigational product or device) 16. Use of anti-cancer or immunomodulatory biological drug or kinase inhibitor (e.g., tocilizumab, sarilumab) or, JAK inhibitors (within 30 days of enrollment or five times the half-life \[whichever is longer\]). 17. Chronic glucocorticosteroid use equivalent to daily oral prednisone \> 10 mg per day (10 mg oral prednisone every other day is allowed). 18. Live (live-attenuated) vaccines are not permitted within 2 weeks prior to enrollment or during the study treatment and safety follow-up periods, including the SARS-CoV-2 vaccine (with the exception of the Flu vaccine which is allowed at any time) 19. Subject is pregnant or breastfeeding or plans to become pregnant within 12 months. 20. Subjects with a history of alcohol or drug abuse, or the use of illicit drugs within the 12 months prior to Screening or use of medical marijuana within 1 month prior to Screening. 21. Subject is considered by the Investigator, for any reason, to be an unsuitable candidate for the study.

Design outcomes

Primary

MeasureTime frameDescription
Incidence and Severity of Treatment-Emergent Adverse Events3 monthsDetermine the incidence and severity of treatment-emergent adverse events related to the IV administration of ST266 based on findings from physical examinations, laboratory evaluations, vital signs, and ECG measurements.

Secondary

MeasureTime frameDescription
Pulse Oximetry14 daysPercent improvement in pulse oximetry from Baseline to Day 14
Fever14 daysTime to resolution of fever
Clinical Status on Ordinal Scale14 daysImprovement or absence of worsening in clinical status on WHO 7-point ordinal scale from baseline to Day 14

Other

MeasureTime frameDescription
IL- 1β at Day 1414 daysChange in IL- 1β from Baseline through Day 14
TNFα at Day 66 daysChange in TNFα from Baseline through Day 6
IL-6 at Day 1414 daysChange in IL-6 from Baseline through Day 14
IL- 1β at Day 66 daysChange in IL- 1β from Baseline through Day 6
IL-6 at Day 66 daysChange in IL-6 from Baseline through Day 6
TNFα at Day 1414 daysChange in TNFα from Baseline through Day 14

Countries

United States

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026