Double-Dose stem cell therapy shows promise for tough childhood cancer
NCT ID NCT02605421
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This study tests whether giving two rounds of very strong chemotherapy, each followed by a stem cell transplant using the patient's own cells, can help children and young adults with high-risk neuroblastoma stay cancer-free longer. Participants must have already completed initial chemotherapy and have enough stored stem cells. The goal is to improve survival without the cancer coming back.
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Study facts
What this study's own registry entry says, in plain language.
- Phase
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Phase 2
Tests whether the treatment actually works, and watches for side effects, in a larger group.
- Participants
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About 12 people
The number the study aims to enrol. It can still change while the study runs.
- Started
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Jun 2016
- Expected to finish
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Dec 2026
An estimate. End dates often move.
- Lead sponsor
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Other sponsor
The registry's catch-all category, for sponsors it does not file as a company, a government agency, or a research network.
Who can take part
This study's own entry requirements. Only the study team can say for certain whether you qualify.
- Ages
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Up to 30 years
- Sex
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Anyone
- Healthy volunteers
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Not accepted
This study is not open to healthy volunteers. The entry requirements below say who it is open to.
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Copied word for word from the study's registry entry, so the wording is the study team's rather than ours.
* Less than 30 years of age at diagnosis of neuroblastoma * End of Induction disease evaluation demonstrating CR, PR, MR or SD * Hematopoietic Recovery from last induction course of chemotherapy * No uncontrolled infection * Minimum frozen PBSCs of 2 x 10\^6 CD34 cells/kg for each transplant are mandatory and a PBSC of 2 x 10\^6 CD34 cells/kg for back-up are strongly recommended (thus, PBSC of no less than 6 x 10\^6 CD34 cells/kg is encouraged). These must all be collected prior to the initiation of consolidation. * Adequate organ function defined as: * Hepatic: AST and ALT \< 3 x upper limit of institutional normal; ALT ≤ 3 x ULN for age; total bilirubin ≤ 1.5 x ULN for age, if baseline was normal, \> 1.0 1.5 x baseline if baseline was abnormal * Cardiac: shortening fraction ≥ 27% or ejection fraction ≥ 45%, no clinical congestive heart failure * Pulmonary: no evidence of dyspnea at rest and norequirement for supplemental oxygen * Renal: Creatinine clearance or GFR \> 60 mL/min/1.73m\^2. If a creatinine clearance is performed at end induction and the result is \< 100 ml/min/1.73m\^2, a GFR must then be performed using a nuclear blood sampling method or iothalamate clearance method. Camera method is NOT allowed as measure of GFR prior to or during Consolidation therapy for patients with GFR or creatinine clearance of \< 100 ml/min/1.73m\^2 * Recovery from acute toxicities of last cycle of induction chemotherapy * Appropriate written consent - adult or parent/guardian if patient is \< 18 years of age and minor information sheet if patient is \> 8 years of age
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Conditions
The condition(s) this trial relates to.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
How to take part
Only the study team decides who joins. These are the ways to reach them.
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The places running it
1 site. The list below names each one and where it is.
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The official record
ClinicalTrials.gov lists the study team's own contact details, including names and phone numbers. We don't republish those.
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A doctor treating you
A doctor who knows your case can contact a study site on your behalf, and can tell you whether this study is worth pursuing at all.
Contacts and locations
Locations
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Masonic Cancer Center, University of Minnesota
RECRUITINGMinneapolis, Minnesota, 55455, United States
More trials for these conditions
Other studies related to the condition(s) this trial covers.
- Can a drug duo outsmart resistant tumors?
- Can a Two-Drug combo outsmart returning childhood cancers?
- Can a Two-Drug combo beat tough childhood cancers?
- A simple blood test may reveal hidden infertility risk in young cancer survivors
- Can a shorter chemo combo tame High-Risk neuroblastoma?
- Can a radioactive 'Smart Bomb' take down resistant childhood cancers?