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This study was conducted to observe whether COVID-19 can be transmitted through stem cell transplantation and whether COVID-19-positive donors have an effect on early hematopoietic reconstitution and immune reconstitution in the recipients.
Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) induced COVID-19 infections are showing an explosive increase in China starting in late 2022. SARS-CoV-2 infections are characterized by an initial viral replication followed by an inflammatory phase with lymphocyte depletion in severe patients.
Past studies have shown that SARS-CoV -2 is detectable in the blood of 8%-15% of patients and that viremia occurs in the first 2-3 days after the onset of symptoms. EBMT, WMDA and other organizations have suggested that COVID-19 positive donors must be excluded or delayed from donation for safety reasons.
However, there have not been any reports of transmission from donor to recipient in blood product transfusion or cell therapy. In the only reported cases of allogeneic HSCT from SARS-CoV-2 positive donors, there was also no evidence of recipient infection from the graft.
In the current situation where the vast majority of people are infected with COVID-19 in the short term, many patients, such as those with leukemia, are in urgent need of transplantation due to the aggressive, hard-to-control,underlying disease. The investigators established this observational clinical trial to investigate whether COVID-19 is transmitted through stem cells and whether COVID-19 positive donors have an impact on early hematopoietic reconstitution and immune reconstitution in recipients.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Donor infected with covid19 | This includes donors who have been infected or are infected with COVID19 at the time of hematopoietic stem cell collection. | ||
| Donor not infected with covid | Including donors not yet infected with COVID19 at the time of hematopoietic stem cell collection. |
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| Measure | Description | Time Frame |
|---|---|---|
| Hematopoietic reconstitution | To compare the differences in the time of hematopoietic reconstitution between the two groups after transplantation. | 1 month after enrollment of the last case |
| Measure | Description | Time Frame |
|---|---|---|
| Infection of COVID19 | To compare the rate of early COVID19 infection between the two groups as well as the rate of severe disease. | 1 month after enrollment of the last case |
| Acute graft-versus-host disease |
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Inclusion Criteria:
Exclusion Criteria:
Hematological diseases, other than hematological malignancies.
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The study population wil be patients who underwent allogeneic HSCT during the COVID19 epidemic.
| Name | Role | Phone | Extension | |
|---|---|---|---|---|
| Suning Chen, PHD | Contact | +86-13814881746 | chensuning@sina.com | |
| Jing Lu, Master | Contact | +86-13771836270 | lujing@suda.edu.cn |
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| Facility | Status | City | State | ZIP | Country | Contacts |
|---|---|---|---|---|---|---|
| First Affiliated Hospital of Soochow University | Recruiting | Suzhou | Jiangsu | 215000 | China |
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| ID | Term |
|---|---|
| D000086382 | COVID-19 |
| ID | Term |
|---|---|
| D011024 | Pneumonia, Viral |
| D011014 | Pneumonia |
| D012141 | Respiratory Tract Infections |
| D007239 | Infections |
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To compare the incidence and extent of aGVHD between the two groups.
| 100 days after enrollment of the last case |
| COVID19 related mortality | The percentage of HM patients with COVID-19 who died. | 100 days after enrollment of the last case |
| D014777 |
| Virus Diseases |
| D018352 | Coronavirus Infections |
| D003333 | Coronaviridae Infections |
| D030341 | Nidovirales Infections |
| D012327 | RNA Virus Infections |
| D008171 | Lung Diseases |
| D012140 | Respiratory Tract Diseases |