Solid TumorIROPASTNCT01540175
Immune Reconstitution in Oncology Patients Following Autologous Stem Cell Transplant
An observational study of Solid Tumor and Brain Tumor, run by St. Jude Children's Research Hospital at 1 site in United States.
Trial summary
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. Read more about this study
- Who is it for?
- Ages Up to 21 years
- Conditions the study is for
- Solid Tumor, Brain Tumor, Lymphoma
- What is being tested?
- Blood samples obtained
- How many people
- 31 participants
- Where
- 1 siteUnited States
- Study dates
- Mar 2012to Jun 2015
- Phase
- Observational
- Are there results?
- None posted in the registry
Key requirements
Who can take part, as listed by the sponsor. Only the study team can confirm whether you are eligible, so take this list to your doctor.
- Ages Up to 21 years
- All sexes
- No healthy volunteers
- Child, Adult
Study population: Participants will have a diagnosis of solid tumor, brain tumor or lymphoma, be 21 years of age or younger, and be enrolled on a protocol likely to include autologous stem cell transplant.
Who may be able to join
- 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
Who cannot join
- Patient receiving an autologous transplant for a disease other than listed above.
Trial locations and contacts
1 site in 1 country.
United States1 site
St. Jude Children's Research Hospital
Memphis, Tennessee, 38103
About this study
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.
Read the detailed description
Primary Objective:
- To describe the immune reconstitution of T cell-, B cell- and natural killer (NK) cell- compartment in patients undergoing autologous stem cell transplant as part of their treatment for a malignancy.
The design for this study will be a prospective, longitudinal observational study. Immune reconstitution will be measured in the course of autologous stem cell transplant using serial blood samples analyzed for cell counts, immune cell phenotyping (demonstrating the expression of specific receptors on the cell surface) and functional lymphocyte assays. These blood samples will be obtained once prior and at defined time points after stem cell infusion either while the research participant is hospitalized or during the scheduled clinic visit.
Immune recovery from conventional chemotherapy will be measured using serial blood samples analyzed for cell counts, immune cell phenotyping, and NK cell functional assays. These blood samples will be obtained once prior and at defined time points after completion of courses #1 and #4 of Induction chemotherapy while the research participant is hospitalized or during the scheduled clinic visit.
- Conditions
- Solid Tumor, Brain Tumor, Lymphoma
- Being tested
- Blood samples obtained
- Keywords
- Autologous stem cell transplant, Immune reconstitution
- Medical subject headings
- Brain Neoplasms, Lymphoma
What participants receive
What participants receive. In a randomised study each person is assigned to one group by chance.
Blood samples obtainedOther
Also called Venipuncture, Phlebotomy
Research participants agree to have blood samples obtained at the time of diagnosis before any chemotherapy, if available, and prior to high dose chemotherapy regimen with autologous HSCT as well as on days 14, 21, 28, week 8 and months 3, 6, 12 and 18 after autologous HSCT. Research participants with high risk neuroblastoma may also agree to have blood samples taken before and twice in the recovery period (days 0, 7 and 15-18) of Induction chemotherapy courses one and four.
| Study group | Role | What they receive |
|---|---|---|
| Participants | Participants enrolled on the study will have blood samples obtained. Receives: Other: Blood samples obtained |
What is being measured
The primary outcome is the main question the study is designed to answer.
Change in the immune reconstitution of T cell, B cell, and NK cell compartment.
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.
Measured: Days 0, 14, 21, 28, week 8, and months 3, 6, 12, and 18 related to stem cell infusion.
Timeline
From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.
- First posted28 Feb 2012 (estimated)
- Study startMar 2012
- Primary completionJun 2015
- Study completionJun 2015
Resources
- Official record on ClinicalTrials.govThe registry entry this page is built from, with its full change history.
- Other trials for Solid TumorStudies of the same condition, open and under way.
- More trials run by St. Jude Children's Research HospitalThe sponsor's other registered studies.
- What the trial phases meanHow a treatment moves from first tests in people to approval.
More details
For doctors and researchers: how the study is designed, who runs it, and its registry IDs.
Study design
- Study type
- Observational
- Observational model
- Case only
- Time perspective
- Prospective
- Enrolment
- 31 participants (actual)
Sponsor and investigators
- Lead sponsor
- St. Jude Children's Research Hospital
- Sponsor type
- University, hospital or other
- Responsible party
- Sponsor
- Investigators
- Aimee Talleur, MD, Principal investigator, St. Jude Children's Research Hospital
IDs, dates and publications
- ClinicalTrials.gov ID
- NCT01540175
- Sponsor's protocol ID
- XPD12-013 IROPAST
- Acronym
- IROPAST
- Status last verified
- Jul 2015
- First submitted
- 17 Feb 2012
- Last updated
- 14 Jul 2015
- Results posted
- No
- Data monitoring committee
- No
Study at a glance
From the registry record, last updated by the sponsor on 14 Jul 2015. Recruitment status is as the sponsor reported it: confirm with the study team.
- Official title
- Immune Reconstitution in Oncology Patients Following Autologous Stem Cell Transplant
- ClinicalTrials.gov ID
- NCT01540175
- Acronym / sponsor ID
- IROPAST / XPD12-013 IROPAST
- Conditions
- Solid Tumor, Brain Tumor, Lymphoma
- Keywords
- Autologous stem cell transplant, Immune reconstitution
- Study type
- Observational
- Recruitment status
- Completed
- Enrolment
- 31 participants (actual)
- Lead sponsor
- St. Jude Children's Research HospitalUniversity, hospital or other
- Study start
- Mar 2012
- Primary completion
- Jun 2015 (actual)
- Study completion
- Jun 2015 (actual)
- First posted
- 28 Feb 2012 (estimated)
- Results
- Not posted in the source record
Clinical summary
The research question as the sponsor registered it. This describes what the study plans to test, not what it found.
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.
Detailed description
Primary Objective:
- To describe the immune reconstitution of T cell-, B cell- and natural killer (NK) cell- compartment in patients undergoing autologous stem cell transplant as part of their treatment for a malignancy.
The design for this study will be a prospective, longitudinal observational study. Immune reconstitution will be measured in the course of autologous stem cell transplant using serial blood samples analyzed for cell counts, immune cell phenotyping (demonstrating the expression of specific receptors on the cell surface) and functional lymphocyte assays. These blood samples will be obtained once prior and at defined time points after stem cell infusion either while the research participant is hospitalized or during the scheduled clinic visit.
Immune recovery from conventional chemotherapy will be measured using serial blood samples analyzed for cell counts, immune cell phenotyping, and NK cell functional assays. These blood samples will be obtained once prior and at defined time points after completion of courses #1 and #4 of Induction chemotherapy while the research participant is hospitalized or during the scheduled clinic visit.
Study design
- Observational model
- Case only
- Time perspective
- Prospective
- Number of arms
- 1
| Arm | Type | Receives |
|---|---|---|
| Participants | – | Other: Blood samples obtainedParticipants enrolled on the study will have blood samples obtained. |
Who may qualify
- Ages
- Up to 21 years
- Sex
- All
- Healthy volunteers
- Not accepted
- Age groups
- Child, Adult
- Study population
- Participants will have a diagnosis of solid tumor, brain tumor or lymphoma, be 21 years of age or younger, and be enrolled on a protocol likely to include autologous stem cell transplant.
Key inclusion criteria (2 listed)
- 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
Key exclusion criteria (1 listed)
- Patient receiving an autologous transplant for a disease other than listed above.
Eligibility is decided by the study team after screening; this overview does not establish that a patient qualifies. Full inclusion and exclusion criteria.
Interventions
| Intervention | Type | Arms |
|---|---|---|
| Blood samples obtainedAlso: Venipuncture, PhlebotomyResearch participants agree to have blood samples obtained at the time of diagnosis before any chemotherapy, if available, and prior to high dose chemotherapy regimen with autologous HSCT as well as on days 14, 21, 28, week 8 and months 3, 6, 12 and 18 after autologous HSCT. Research participants with high risk neuroblastoma may also agree to have blood samples taken before and twice in the recovery period (days 0, 7 and 15-18) of Induction chemotherapy courses one and four. | Other | Participants |
Primary outcome
Change in the immune reconstitution of T cell, B cell, and NK cell compartment.
Time frame: Days 0, 14, 21, 28, week 8, and months 3, 6, 12, and 18 related to stem cell infusion.
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.
Results and safety
The study is completed, but results are not available in the source record. That does not mean the treatment did or did not work.
Research links
- Official record on ClinicalTrials.govLast updated by the sponsor 14 Jul 2015.
- St. Jude Children's Research HospitalLink provided by the sponsor.
- Clinical Trials Open at St. JudeLink provided by the sponsor.
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Referral and contact
AzTrials does not enrol participants or take referrals. Contact the study team or a site listed below; they decide who can take part. This study is not recruiting at the moment.
Aimee Talleur, MD principal investigator
St. Jude Children's Research Hospital
1 site in 1 country: see every site and its status.
Questions about this trial
What is this clinical trial studying?
An observational study of Solid Tumor and Brain Tumor, run by St. Jude Children's Research Hospital at 1 site in United States.
The full registered description is in the About this study section and the official record.
Who may be eligible to take part?
The sponsor lists 2 inclusion and 1 exclusion criteria. Eligibility is decided by the study team after screening, so read the full criteria and contact a listed site.
Is this clinical trial currently recruiting?
The record says: finished, as of the sponsor's last update on 14 Jul 2015. Status can change between updates, so confirm with the study contact before making plans.
Where is the study taking place?
The record lists 1 site in United States. Whether a site is taking part right now should be confirmed with that site. See every site.
What are the possible benefits and risks?
They depend on the study and the treatment, and no study can promise a benefit. The study team explains the known risks during informed consent, before anyone joins; the record itself does not list them.
Are results available for this study?
The study is completed, but results are not available in the source record. That does not mean the treatment did or did not work.
How can a doctor refer a patient or contact the research team?
The record lists no contact. The official record names the sponsor, who can be asked directly. AzTrials does not enrol participants or take referrals.
What does the primary outcome measure?
Change in the immune reconstitution of T cell, B cell, and NK cell compartment. (time frame: Days 0, 14, 21, 28, week 8, and months 3, 6, 12, and 18 related to stem cell infusion.). It is what the study was designed to measure, not a finding.
Where can I read the original study information?
Does a listing mean the treatment is approved or proven to work?
No. A listing means the study is registered. It does not show that the treatment is safe, works, or is approved by a regulator.
How often is this information updated?
AzTrials copies changed records from ClinicalTrials.gov every night and reloads the whole registry every week. The sponsor last updated this record on 14 Jul 2015.