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Clinical Trials/NCT05116761
NCT05116761
Withdrawn
Phase 1

Bone Marrow Mesenchymal Stem Cell Derived Extracellular Vesicles Infusion Treatment for Post-Acute and Chronic Post-COVID-19 Syndrome: A Phase I/II Clinical Trial

Direct Biologics, LLC0 sites60 target enrollmentNovember 2024

Overview

Phase
Phase 1
Intervention
Saline
Conditions
Covid19
Sponsor
Direct Biologics, LLC
Enrollment
60
Primary Endpoint
Increased distance on Six Minute Walk Test (6MWT)
Status
Withdrawn
Last Updated
last year

Overview

Brief Summary

This is a Phase I/II trial to evaluate the safety and efficacy of intravenous (IV) administration of bone marrow mesenchymal stem cell derived extracellular vesicles (EV), ExoFlo, as treatment for Post-Acute COVID-19 and Chronic Post-COVID-19 syndrome.

Detailed Description

To evaluate the safety and efficacy of intravenous (IV) administration of bone marrow mesenchymal stem cell derived extracellular vesicles (EV), ExoFlo, as treatment for Post-Acute COVID-19 and Chronic Post-COVID-19 syndrome.

Registry
clinicaltrials.gov
Start Date
November 2024
End Date
December 2024
Last Updated
last year
Study Type
Interventional
Study Design
Parallel
Sex
All

Investigators

Responsible Party
Sponsor

Eligibility Criteria

Inclusion Criteria

  • Provision of signed and dated informed consent form (either by the individual or by the individual's healthcare proxy).
  • Stated willingness to comply with all study procedures and availability for the duration of the study
  • Male or female aged 18-
  • Discharged from recent hospitalization for severe COVID-19 disease requiring supplemental oxygen but not requiring mechanical ventilation or ECMO or dialysis.
  • Must be between 4 to 20 weeks since onset of acute COVID-19 symptoms onset.
  • No return to baseline health or hiatus between acute COVID-19 and onset of post-acute COVID-19 or chronic post-COVID-19 syndrome.
  • Current SARS-CoV-2 RT PCR must be negative prior to enrollment.
  • At least 2 or more persistent symptoms frequently reported for post-acute COVID-19 or chronic post-COVID-19 syndrome such as fatigue, cough, headache, body aches, fever, chills, loss of taste, loss of smell, diarrhea, congestion, dyspnea, sore throat, chest pain, abdominal pain, confusion, or vomiting must be moderate in severity based on modified CDC Symptoms Questionnaire (See Section 11.1 for severity scoring system).
  • Medical Resource Council Dyspnea Score of \< 3 out of
  • Baseline EQ-5D-5L must be higher than

Exclusion Criteria

  • Vulnerable populations such as pregnant patients, children, individuals with severe physical or mental disabilities who cannot provide meaningful consent.
  • Active malignancy requiring treatment within the last five years.
  • Major physical trauma in the last 3 months, including motor vehicle accidents, assaults, mechanical falls with sequelae of significant bleeding or craniofacial bruising, and surgeries.
  • Patients with persistent symptoms due to any of the following chronic comorbidities such as active tuberculosis or cystic fibrosis, chronic respiratory disease including chronic obstructive pulmonary disease or pulmonary fibrosis requiring baseline home oxygen \> 5 L O2/min, history of unstable angina or a heart attack during the last 12 months, pulmonary hypertension, hepatic impairment, chronic kidney disease, uncontrolled diabetes, substance abuse, severe osteoarthritis, HIV, migraine disorder, fibromyalgia, dementia, connective tissue disorders, and endocrine disorders.
  • Depression as screened by positive Patient Health Questionnaire (PHQ2) and confirmed as moderate or higher severity on PHQ9 (See Appendix 11.5). Of note, subjects found to have moderate or higher on PHQ-9 will be referred for appropriate outpatient psychiatric evaluation and intervention for their depression.
  • Vital sign abnormalities: temperature ≥ 38 °C, temperature \< 35 °C; systolic blood pressure (SBP) \< 90 mmHg, SBP ≥ 170 mmHg; diastolic blood pressure (DBP) \< 50 mmHg, DBP ≥ 100 mmHg; heart rate (HR) \< 50 beats per minute (BPM), HR ≥ 120 BPM.
  • Lab abnormalities: WBC ≥ 12,000 /μL, Creatinine ≥ 1.5 mg/dL, AST ≥ 100 IU/l, and/or ALT ≥ 100 IU/I
  • Patients who require rolling walker or wheelchair or higher level of assistance for ambulation.

Arms & Interventions

Treatment Arm 1

Normal Saline 100 mL

Intervention: Saline

Treatment Arm 2

Normal saline 85 mL and ExoFlo 15 mL, which is 10.5 x 10\^8 EV

Intervention: Bone Marrow Mesenchymal Stem Cell Derived Extracellular Vesicles

Outcomes

Primary Outcomes

Increased distance on Six Minute Walk Test (6MWT)

Time Frame: 61 Days

Meters walked in a self-paced test in which the subject is instructed to walk as fast as possible during 6 minutes.

Incidence of Serious Adverse Events (SAEs)

Time Frame: 61 Days

Rate of SAEs observed over the duration of the study.

Secondary Outcomes

  • Medical Research Council (MRC) Dyspnea Scale(61 Days)
  • EuroQol-5D (EQ-5D)(61 days)

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