- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT04428008
Thymosin Alpha 1 to Prevent COVID-19 Infection in Renal Dialysis Patients (Ta1)
A Pilot Trial of Thymalfasin (Ta1) to Prevent COVID-19 Infection in Renal Dialysis Patients
Study Overview
Detailed Description
Patients with end-stage renal disease (ESRD) on hemodialysis, in addition to their intrinsic kidney disease and frequent burden of comorbidities, also have increased risk of exposure to communicable diseases as they are treated several times each week at hemodialysis centers with several other patients and clinic staff in attendance. The majority of patients are over 60 years of age and many are receiving immunosuppressive medications. Accordingly, ESRD patients are particularly susceptible to COVID-19 infection.
Thymalfasin (thymosin alpha 1, Ta1) is a naturally occurring peptide that has been evaluated for its immunomodulatory activities and related therapeutic potential in several conditions and diseases, including infectious disease and cancer. ZADAXIN, a synthetic form of Ta1, been has been used clinically in pilot studies for treatment of severe acute respiratory syndrome (SARS) and other lung infections including acute respiratory distress syndrome (ARDS) and chronic obstructive pulmonary disorder (COPD), as well as infections after bone marrow transplant]. Larger clinical trials have shown significant efficacy for treatment of severe sepsis and hepatitis B, along with certain cancers such as melanoma, hepatocellular, and lung cancer. Ta1 has also demonstrated improvement in response to vaccines in the elderly and in patients immunocompromised by renal disease. The beneficial clinical effects of Ta1 result from activation of toll-like receptor (TLR) 9 in dendritic and other immune system cells, resulting in augmentation of T helper (Th1) function, natural killer (NK) cell activity, and increased antibody responses to T-cell dependent antigens. Importantly, Ta1 also leads to an increase in IL-10 producing regulatory T cells, which create feedback inhibition of cytokine production, hence dampening immune response and preventing a pro-inflammatory cytokine storm.
It is our hypothesis that a course of Ta1 administered to individuals at high risk for COVID-19 infection (hemodialysis patients) will reduce the rate of COVID-19 infection and severity of infection with COVID-19, compared to untreated individuals in the same hemodialysis units with comparable risk. The study will also evaluate the need for hospitalization in those patients who do not become infected with COVID-19.
Study Type
Enrollment (Actual)
Phase
- Phase 2
Contacts and Locations
Study Locations
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Kansas
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Kansas City, Kansas, United States, 64111
- Clinical Research Consultants
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-
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- Age 18 or greater
- Signed informed consent
- End-stage renal disease (ESRD) who receive hemodialysis 2 or more times each week and are expected to continue on dialysis indefinitely.
Exclusion Criteria:
- Patients on short-term hemodialysis, such as those with transient renal dysfunction associated with acute illness who are projected to have return in renal function
- Patients for whom renal transplantation is anticipated within the next six months
- Patients with an anticipated survival of less than 3 months
- Patients with symptoms that might be attributable to COVID-19 infection
- Patients who test positive for SARS-CoV2
- Patients with active infectious disease requiring antibiotics
- Patients with hospitalization within the previous 3 months for acute myocardial infarction or congestive heart failure
- Patients with advanced malignancy receiving cytotoxic chemotherapy
- Patients with a Karnofsky Performance Scale score of less than 60
- Patients with prior history of solid organ (kidney, liver, heart, lung, pancreas) or bone marrow transplant
- Patients with active autoimmune disease on immunosuppressive medication
- Patients receiving Plaquenil
- Participation in an investigational drug or device trial in previous 30 days
- History of allergy or intolerance to Ta1
- Any other medical or psychiatric condition that, in the opinion of the Investigator, would compromise patient safety or interfere with the objectives of the protocol or completion of the protocol treatment
Study Plan
How is the study designed?
Design Details
- Primary Purpose: Prevention
- Allocation: Randomized
- Interventional Model: Parallel Assignment
- Masking: None (Open Label)
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
Experimental: Active arm
1.6 mg thymalfasin in 1 mL subcutaneous injection twice weekly after dialysis for 8 weeks
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Synthetic 28 amino acid peptide
Other Names:
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No Intervention: Control arm
Standard care
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What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Reduction in documented infection with COVID-19 Reduction in infection with COVID-19
Time Frame: 6 months
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Number of subjects who become infected with COVID-19 over the course of the study
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6 months
|
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Need for hospitalization
Time Frame: 6 months
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Number of subjects who become hospitalized
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6 months
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Hospital length of stay
Time Frame: 6 months
|
If subject becomes hospitalized, what length of time does the subject remain hospitalized
|
6 months
|
Need for ICU admission
Time Frame: 6 months
|
Number of subjects who are entered into the ICU
|
6 months
|
ICU length of stay
Time Frame: 6 months
|
If subject is entered into the ICU, what length of time does the subject remain in the ICU
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6 months
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Need for mechanical ventilation
Time Frame: 6 months
|
Number of subjects who require mechanical ventilation
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6 months
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Duration of mechanical ventilation
Time Frame: 6 months
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If mechanical ventilation is required, what length of time the ventilation is required
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6 months
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Recovery time from COVID-19
Time Frame: 6 months
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If subject becomes infected with COVID-19, how long does the subject require to recover from the infection
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6 months
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Change in any existing comorbidities or occurrence of newly diagnosed disease
Time Frame: 6 months
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Evaluation of whether any comorbidities are changed over the course of treatment (eg., worsening of congestive heart failure)
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6 months
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Incidence of non-COVID-19 infections
Time Frame: 6 months
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Determination of whether there are more or fewer infections other than COVID-19 (other respiratory, urinary tract, cellulitis, etc.)
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6 months
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Change in lymphocyte subsets (CD4, CD8)
Time Frame: 6 months
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Evaluation of the levels of CD4 and CD8 subjects
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6 months
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Mortality
Time Frame: 6 months
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Number of subjects who die during the course of the study
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6 months
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Treatment-emergent adverse events
Time Frame: 6 months
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Number of subjects with mild, moderate, or severe adverse events based on perceived clinical significance of the event
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6 months
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Treatment-emergent changes in vital signs
Time Frame: 6 months
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Number of subjects with mild, moderate, or severe changes to vital signs based on perceived clinical significance of the event
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6 months
|
Treatment-emergent laboratory parameters
Time Frame: 6 months
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Number of subjects with mild, moderate, or severe laboratory findings based on perceived clinical significance of the event
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6 months
|
Collaborators and Investigators
Sponsor
Study record dates
Study Major Dates
Study Start (Actual)
Primary Completion (Anticipated)
Study Completion (Anticipated)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Actual)
Study Record Updates
Last Update Posted (Actual)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Additional Relevant MeSH Terms
- Coronavirus Infections
- Coronaviridae Infections
- Nidovirales Infections
- RNA Virus Infections
- Virus Diseases
- Infections
- Respiratory Tract Infections
- Respiratory Tract Diseases
- Pneumonia, Viral
- Pneumonia
- Lung Diseases
- COVID-19
- Physiological Effects of Drugs
- Immunologic Factors
- Adjuvants, Immunologic
- Thymalfasin
Other Study ID Numbers
- ACW-1221958-1
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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