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Quadruple Immunotherapy for Neuroblastoma

Quadruple Immunotherapy for Paediatric Patients With Relapsed or Refractory Neuroblastoma

Status
Recruiting
Phases
Phase 2
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT05754684
Enrollment
29
Registered
2023-03-06
Start date
2022-01-01
Completion date
2025-12-31
Last updated
2025-09-15

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Neuroblastoma Recurrent

Brief summary

This is a single-arm clinical trial to evaluate the efficacy and safety of quadruple immunotherapy with natural killer (NK) cells, anti-GD2 antibody, cytokines (interleukin-2 (IL-2) and granulocyte-macrophage colony stimulating factor (GM-CSF)) and retinoid X receptor gamma (RXRg) agonist spironolactone for paediatric patients with relapsed or refractory neuroblastoma.

Detailed description

Included patients will receive intravenous infusion of donor NK cells on day 0, and anti-GD2 antibody (dinutuximab) on day -6 to day -2. IL-2 will be given subcutaneously on day -1, day +1, day +3, day +5, day +7, and day +9. Subcutaneous injection of GM-CSF will be started on day 0, given daily till neutrophil count \>1000/mm3. Spironolactone will be started orally on day -1, given three times daily till cessation of GM-CSF. Alternative anti-GD2 antibody (Naxitamab) can be used instead of dinutuximab, to be given on day -5, day -3, day +1 and day +3.

Interventions

DRUGSpironolactone

Spironolactone po three time daily

Natural killer cells isolated from HLA-haploidentical relative donor

Dinutuximab beta iv for 5 days

DRUGInterleukin-2

Interleukin-2 sc alternate day for 6 doses

Granulocyte-macrophage colony-stimulating factor sc daily till ANC \>2,000/mm3

Naxitamab iv for 4 days (as alternative for dinutuximab)

Sponsors

The University of Hong Kong
CollaboratorOTHER
Hong Kong Children's Hospital
Lead SponsorOTHER

Study design

Allocation
NA
Intervention model
SINGLE_GROUP
Primary purpose
TREATMENT
Masking
NONE

Eligibility

Sex/Gender
ALL
Age
No minimum to 18 Years
Healthy volunteers
No

Inclusion criteria

* relapsed or refractory neuroblastoma * Adequate organ function: creatinine clearance ≥40 ml/min/1.73m2, total bilirubin ≤3 times upper limit of normal and ALT ≤500 IU/L, left ventricular shortening fraction ≥25%, and oxygen saturation ≥92% in room air * Karnofsky or Lansky performance status score ≥50 * Has an appropriate HLA-haploidentical NK-cell donor available

Exclusion criteria

* Pregnant or lactating woman * HIV infection * Patients for whom conventional treatment is deemed more appropriate * Patients who are unlikely to benefit, e.g., terminal malignancy with life expectancy \<1 month

Design outcomes

Primary

MeasureTime frameDescription
Proportion of patients who have objective response in the tumor1-2 monthsObjective response = complete response + partial response + minor response + stable disease

Secondary

MeasureTime frameDescription
Overall survival at 1 yearup to 1 yearFrom the date of treatment start until the date of death from any cause, assessed up to 1 year
Progression-free survivalup to 1 yearFrom date of treatment start until the date of first documented progression or the date of death from any cause, whichever comes first, assessed up to 1 year
Proportion of patients who have tumor relapseup to 1 yearrelapse = reappearance of tumor after complete response
Number of patients who experience adverse eventsup to 1 monthAdverse events are graded according to Cancer Therapy Evaluation Program Common Terminology Criteria for Adverse Events version 5 (CTCAEv5)
Percentage of donor NK cellsup to 1 yearPercentage of donor natural killer cells in the recipient's blood will be evaluated weekly from the date of NK cell infusion for 4 weeks, then every 2 weeks till donor NK cells are undetectable

Countries

Hong Kong

Contacts

Primary ContactDaniel Cheuk
cheukkld@gmail.com852-35136049

Outcome results

None listed

Source: ClinicalTrials.gov · Data processed: Feb 4, 2026