NCT05628272

Brief Summary

This project aims to investigate the therapeutic and repair effects of cord blood mononuclear cells (MNCs) on bone marrow failure after chemotherapy in children with malignant diseases. It is planned to collect 20 malignant children with bone marrow failure after chemotherapy and randomly divide them into two groups. The umbilical cord blood mononuclear cells were injected, ≥1×10\^8 per infusion, once a week, and the recovery time of peripheral blood leukocytes, neutrophils, platelets and hemoglobin was observed. According to the recovery of myelosuppression, stop when the peripheral blood reaches leukocytes\>1×10\^9/L, neutrophils\>0.5×10\^9/L, platelets\>25×10\^9/L, and hemoglobin\>60g/L at the same time. Use, share 1-4 times. Statistical software was used to compare the changes of peripheral blood leukocytes, neutrophils, platelets and hemoglobin before the start of the test (0d) and 1d, 3d, 5d, 7d, 10d, and 14d after the start of the test, as well as the severity of concurrent infections and antibiotic use Time, number of infusions of blood products.

Trial Health

43
At Risk

Trial Health Score

Automated assessment based on enrollment pace, timeline, and geographic reach

Trial has exceeded expected completion date
Enrollment
20

participants targeted

Target at below P25 for not_applicable

Timeline
Completed

Started Oct 2022

Typical duration for not_applicable

Geographic Reach
1 country

1 active site

Status
unknown

Health score is calculated from publicly available data and should be used for screening purposes only.

Trial Relationships

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Study Timeline

Key milestones and dates

First Submitted

Initial submission to the registry

September 15, 2022

Completed
16 days until next milestone

Study Start

First participant enrolled

October 1, 2022

Completed
2 months until next milestone

First Posted

Study publicly available on registry

November 28, 2022

Completed
1.8 years until next milestone

Primary Completion

Last participant's last visit for primary outcome

September 1, 2024

Completed
Same day until next milestone

Study Completion

Last participant's last visit for all outcomes

September 1, 2024

Completed
Last Updated

November 28, 2022

Status Verified

November 1, 2022

Enrollment Period

1.9 years

First QC Date

September 15, 2022

Last Update Submit

November 25, 2022

Conditions

Keywords

bone marrow failurepediatric chemotherapymononuclear cells

Outcome Measures

Primary Outcomes (1)

  • recovery time of peripheral neutrophils

    Observe the recovery time of peripheral neutrophils

    20days

Secondary Outcomes (1)

  • frequency of infection

    20days

Study Arms (2)

Experimental group

EXPERIMENTAL

granulocyte stimulating factor(5ug/kg/d) +infusion of umbilical cord blood mononuclear cells, each infusion ≥1×10\^8, once a week

Other: Intravenous infusion of cord blood mononuclear cellsDrug: application of granulocyte stimulating factor

control group

PLACEBO COMPARATOR

granulocyte stimulating factor 5ug/kg/d

Drug: application of granulocyte stimulating factor

Interventions

On the basis of the application of granulocyte stimulating factor, the research group was given intravenous infusion of umbilical cord blood mononuclear cells, each infusion ≥1×10\^8, once a week

Experimental group

application of granulocyte stimulating factor

Experimental groupcontrol group

Eligibility Criteria

Age1 Year - 17 Years
Sexall
Healthy VolunteersNo
Age GroupsChild (0-17)

You may qualify if:

  • Age ≤ 17 years old;
  • Treated in pediatric hematology department from September 2021 to September 2024, patients with bone marrow failure after transplantation;
  • Eastern Cooperative Oncology Group(ECOG) score ≤ 2;
  • Sign the informed consent form (\< 10 years old, signed by the guardian; ≥ 10 The children and their guardians signed the informed consent form before the selection.

You may not qualify if:

  • Those who have received thoracic radiotherapy in the past;

Contact the study team to confirm eligibility.

Sponsors & Collaborators

Study Sites (1)

Pediatrics, Qianfoshan Hospital

Jinan, Shandong, 251400, China

RECRUITING

MeSH Terms

Conditions

Cone-Rod DystrophiesBone Marrow Failure Disorders

Condition Hierarchy (Ancestors)

Eye Diseases, HereditaryEye DiseasesRetinal DystrophiesRetinal DegenerationRetinal DiseasesGenetic Diseases, InbornCongenital, Hereditary, and Neonatal Diseases and AbnormalitiesBone Marrow DiseasesHematologic DiseasesHemic and Lymphatic Diseases

Study Officials

  • Yan GU, Professor

    Qianfoshan Hospital

    STUDY DIRECTOR

Central Study Contacts

Yan GU, Professor

CONTACT

Kai MU, Doctor

CONTACT

Study Design

Study Type
interventional
Phase
not applicable
Allocation
RANDOMIZED
Masking
NONE
Purpose
TREATMENT
Intervention Model
PARALLEL
Sponsor Type
OTHER
Responsible Party
PRINCIPAL INVESTIGATOR
PI Title
professor

Study Record Dates

First Submitted

September 15, 2022

First Posted

November 28, 2022

Study Start

October 1, 2022

Primary Completion

September 1, 2024

Study Completion

September 1, 2024

Last Updated

November 28, 2022

Record last verified: 2022-11

Data Sharing

IPD Sharing
Will not share

To be published in an appropriate form at the complete conclusion of the study

Locations