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Status unknownNCT04320303Updated Jun 11, 2021

CMV Infection and Immune Intervention After Transplantation

An interventional study of expanded NK cells in CMV Viremia and Transplantation Infection, sponsored by Peking University People's Hospital. Status unknown at 1 site in China. Open to participants aged 16 Years to 65 Years, including healthy volunteers. Per ClinicalTrials.gov, last updated 2021-06-11.

Sponsored by Peking University People's Hospital · Not applicable, Interventional, and Prevention

The sponsor has not verified this record recently (last verified Jun 2021), so the status shown — last known as Recruiting — may be out of date.
Phase
Not applicable
Study type
Interventional
Enrollment
30
Allocation
Not applicable
Ages
16 Years to 65 Years
Sex
All
01

Study summary

Allogeneic hematopoietic stem cell transplantation (allo-HSCT) is an effective or even the only way to cure blood malignant diseases. Cytomegalovirus (CMV) infection is a serious early complication of allo-HSCT. Its high incidence and poor prognosis can cause a series of terminal organ diseases such as CMV pneumonia, encephalitis, and enteritis,which seriously affecting the prognosis of patients post allo-HSCT.

Our data show that rapid reconstruction of NK cells after transplantation can reduce the incidence of CMV infection. Patients with a rapid reconstruction of NKG2C after transplantation have a low CMV infection rate, and patients with strong secretion of IFN-gamma of NK after transplantation have low CMV infection.

Our previous research showed that trophoblast cells transfected with IL-21 and 4-1BBL can achieve a large number of clinical-grade expansion of NK cells (mIL-21 / 4-1BBL NK cells), and mIL-21 / 4-1BBL NK cells It is safe to treat patients with minimal residual disease (MRD) positive AML after transplantation, and can induce MRD to turn negative. Previous studies have shown that adoptive infusion of expanded NK cells after haplotype transplantation is safe and can improve the functional reconstruction of NK cells. Therefore, we hypothesized that the infusion of NK cells can improve the antiviral capacity of NK cells, thereby effectively reducing the CMV infection. Incidence.

02

Conditions studied

  • CMV Viremia
  • Transplantation Infection

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03

In context

Viremia

57 studies on the registry are indexed under Viremia; 12 are open to participants now.

This study's planned enrollment of 30 is below the median of 87 across 45 interventional studies indexed under Viremia.

Browse Viremia studies →

Lead sponsor

Peking University People's Hospital is the lead sponsor of 609 studies on the registry; 247 are open to participants now.

Counted across the registry records on this site, refreshed daily.

04

Who can participate

Ages eligible
16 Years to 65 Years
Sexes eligible
All
Accepts healthy volunteers
Yes

Go through the criteria one by one — yes, no or not sure — and take the list to your doctor or the study team. Kept in this browser only.

Inclusion criteria

  1. Patients with acute leukemia (AL) or myelodysplastic syndrome (MDS) or myeloma or lymphoma undergoing haploidentical stem cell transplantation
  2. No CMV infection by 20 days ± 3 days after transplantation
  3. No active acute by 20 days ± 3 days after transplantation
  4. The dose of prednisolone was less than 0.5mg / kg / d within 72 hours before and after infusion of NK cells
  5. Prior to transplantation, the CMV IgG of the recipient and donor were positive, and the recipient had a suitable donor to expand NK cells.
  6. Patient age 16-65 years
  7. Donor age 16-65 years
  8. Patient score> 70%
  9. Estimated survival> 3 weeks
  10. Patient agrees to participate in study

Exclusion criteria

Exclusion Criteria:

  1. Participants in any other clinical trials within 1 month before enrollment
  2. Active infection
  3. or or carriers
  4. With moderate to severe renal dysfunction (blood creatinine> 130umol / L) and / or liver dysfunction (total > 34umol / L, , AST> 2 times the ) before NK infusion
  5. Researchers do not consider it appropriate to participate in this trial.
Terms in these criteria, in plain language(9)

Underlined terms in the criteria open these too. Explained by clinicaltrials.gg, not part of the registry record. The study team decides who can take part.

Allogeneic and autologous transplant

Stem cell (bone marrow) transplants. Allogeneic uses cells from a donor; autologous uses your own cells, collected earlier and given back.

GVHD (graft-versus-host disease)

After a transplant from a donor, the donor’s immune cells attack the recipient’s body, often the skin, gut or liver.

Karnofsky performance status (KPS)

A 0–100 scale of how well someone can carry out everyday activities. 100 is no complaints and no signs of illness; 70 is able to look after yourself but not to work or keep up normal activity; 50 is needing considerable help and frequent medical care.

Studies often ask for 60 or 70 and above. Your doctor gives the score.

Hepatitis B tests

Hepatitis B is a virus that infects the liver. These are separate tests: HBsAg positive usually means a current infection (a recent vaccination can briefly cause it too); total anti-HBc (HBcAb) positive means an infection now or in the past; HBV DNA measures how much virus is in the blood.

Some studies accept a past infection if HBV DNA is undetectable, sometimes with antiviral medicine during the study. Check what this study allows.

Hepatitis C tests

Hepatitis C is a virus that infects the liver. An HCV antibody test can stay positive after an infection has cleared (and is occasionally positive without one); an HCV RNA test shows whether the virus is there now.

After treatment, hepatitis C counts as cured when HCV RNA is still undetectable 12 weeks or more after the treatment ended. Studies often accept people cured this way.

HIV

The human immunodeficiency virus, which weakens the immune system.

Many studies now accept people whose HIV is controlled on treatment, judged by the viral load and the CD4 count. Check the limits this study sets.

Bilirubin

A yellow substance made when red blood cells are broken down, which the liver clears. A high level can mean a problem with the liver or the bile ducts.

Criteria often allow more for people with Gilbert’s syndrome, a harmless inherited condition that raises bilirubin.

ALT and AST (liver enzymes)

Two enzymes measured in a routine blood test of the liver. Higher levels can mean the liver is under strain or damaged. SGPT and SGOT are older names for ALT and AST.

Criteria usually give a limit as a multiple of the upper limit of normal (ULN), often higher when cancer has spread to the liver.

ULN (upper limit of normal)

The top of the normal range for a blood test, as set by the laboratory that runs it. Each lab prints its own range next to your result.

“≤ 2.5 × ULN” means the result can be up to two and a half times that top value.

05

Study design

Phase
Not applicable
Primary purpose
Prevention
Allocation
Not applicable
Intervention model
Single group
Masking
None (open label)
Enrollment
30 participants (estimated)

Study arms

  • Experimental
    adaptive NK cells infusion post transplantation

    Adaptive donors expanded NK cells infusion at day 20±3d and 27±3d post transplantation

    Biological: expanded NK cells

Interventions

  • Biologicalexpanded NK cells

    Donor derived expanded NK cells were infused to patients at around days 20±3d, and 27±3d post transplantation.

06

What researchers measure

Primary outcomes

  1. Cumulative incidence of CMV infection post transplantation

    Whether to reduce the incidence of CMV infection in patients post haploidentical transplantation

    Time frame: within 180 days post transplantation

Secondary outcomes

  1. Cumulative incidence of refractory CMV infection post transplantation

    Whether to reduce the incidence of refractory CMV infection in patients post haploidentical transplantation

    Time frame: within 180 days post transplantation

  2. Cumulative incidence of CMV disease post transplantation

    Whether to reduce the incidence of CMV disease in patients post haploidentical transplantation

    Time frame: within 180 days post transplantation

  3. Enhanced anti-CMV function of reconstituted NK cells

    Whether to enhance the anti-CMV function of reconstituted NK cells

    Time frame: within 180 days post transplantation

  4. cumulative incidence of TRM

    Whether to reduce the incidence of transplantation related mortality in patients post haploidentical transplantation

    Time frame: within 180 days post transplantation

  5. cumulative incidence of overall survival

    Whether to increase the incidence of overall survival in patients post haploidentical transplantation

    Time frame: within 180 days post transplantation

  6. cumulative incidence of disease free survival

    Whether to increase the incidence of disease free survival in patients post haploidentical transplantation

    Time frame: within 180 days post transplantation

07

Study locations

1 of 1 sites recruiting
  • Peking University Institute of Hematology
    Beijing, Beijing 100044, China
    Recruiting
08

References and documents

Individual participant data

Plan to share: No

No publications or documents are linked to this record.

09

Updates

Tracking since Sep 25, 2026
No changes since tracking began. The registry record was last updated on Jun 11, 2021, before this site started recording changes on Sep 25, 2026. Its history is on ClinicalTrials.gov ↗
10

Registry details

Key details

Study ID
NCT04320303
Responsible party
Xiaojun Huang,MD (President, Peking University People's Hospital) — Principal investigator
First posted
Mar 24, 2020
Start date
Mar 23, 2020
Primary completion
Dec 31, 2021 (estimated)
Completion
Dec 31, 2021 (estimated)
Last update
Jun 11, 2021

Study contacts

Xiang-Yu Zhao
Contact
zhao_xy@bjmu.edu.cn
861088325949

Oversight

Data monitoring committee
No
FDA-regulated drug
No
FDA-regulated device
No
View the source record on ClinicalTrials.gov ↗

Not currently enrolling

This study is status unknown, as verified in Jun 2021. You cannot join it, but the record below documents what was studied.

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