Clinical trial · Observational
Immune Reconstitution in Oncology Patients Following Autologous Stem Cell Transplant
- Source
- ClinicalTrials.gov
- Retrieved
- Sep 8, 2026
- Layer
- normalized (units and labels harmonized; values unchanged)
- Run
- ING-CLINICALTRIALS-20260908-000001
Summary
Brief summary (as posted)
Autologous stem cell rescue is an established therapy in high risk neuroblastoma and relapsed Hodgkin's lymphoma and an experimental therapy in some other solid and brain tumors to facilitate the use of very intense chemotherapy beyond bone marrow tolerance. It is usually tolerated with acceptable toxicity and graft failure is practically not existent. But whereas immune reconstitution in allogeneic hematopoietic stem cell transplantation (HSCT) setting is widely studied, the investigators have no comprehensive data available in the autologous setting regarding recovery of the innate and adaptive immune system. However, observations in patients with autoimmune disease undergoing autologous HSCT suggest not an exact recovery of the patient's pre-transplant immune system but some re-education during reconstitution of immune function. Also, recent developments of cancer-directed immunotherapy with monoclonal antibodies and immunocytokines rely on activity of the patient's own immune system via complement-mediated or antibody-dependent cellular cytotoxicity. These novel therapies are given either with or shortly after conventional chemotherapy. To find the optimal time point for administration of immunotherapy, it is important to know how and when immune effector cells recover after conventional myelosuppressive and/or immunosuppressive chemotherapy which are used in Induction regimens. Researchers at St. Jude Children's Research Hospital want to study the research participant's immune profile once prior and at multiple set time points after autologous stem cell infusion during the recovery process. In a subset of participants the investigators want to study the recovery of lymphocyte subsets and function after one course of conventional chemotherapy preceding the high dose chemotherapy and autologous stem cell transplant. That way the investigators hope to learn about the pace and order of recovery and the functional capacity of different compartments of the immune system during reconstitution.
Conditions
Conditions (3)
Free-text conditions as registered, with the CancerIndex entity they were reconciled to and the match type.
| Condition (as posted) | Mapped entity | Match | Confidence |
|---|---|---|---|
| Brain Tumor | Brain Neoplasm | ALIAS | 0.90 |
| Lymphoma | Lymphoma | ONTOLOGY_EXACT | 0.90 |
| Solid Tumor | Solid Neoplasm | CURATED_BROADER | 0.80 |
Interventions
Interventions (1)
| Intervention | Type | Mapped drug | Match |
|---|---|---|---|
| Blood samples obtained | Other | — | UNRESOLVED |
Design
Arms and outcomes
Arms (1)
- label
- Participants
- description
- Participants enrolled on the study will have blood samples obtained.
- interventionNames
- Other: Blood samples obtained
Primary outcomes (1)
- measure
- Change in the immune reconstitution of T cell, B cell, and NK cell compartment.
- timeFrame
- Days 0, 14, 21, 28, week 8, and months 3, 6, 12, and 18 related to stem cell infusion.
- description
- The order and magnitude of recovery of the different subtypes of leukocytes will be summarized by descriptive statistics. The pattern of immune reconstitution will be evaluated using longitudinal approaches such as Mixed effect models or GEE approach and implement in SAS 9.2 using PROC MIXED or PROC GENMOD. In addition, NK cell number, receptor and ligand genotype and phenotype and functional capacity will be compared at specific time points (28 days, 8 weeks and 6 months post autologous transplant) to the baseline values using paired one sample signed rank test.
Eligibility
Eligibility (as posted)
- Sex
- All
- Maximum age
- 21 Years
Show eligibility criteria text
Inclusion Criteria: * Patients with solid tumors, brain tumors or lymphoma regardless of previously received cancer related therapies who are enrolled on a study protocol or treatment plan that includes or will likely include autologous stem cell transplant. * Patient age \>0 to 21 years Exclusion Criteria: * Patient receiving an autologous transplant for a disease other than listed above.
References
Publications (0)
Data not yet available