Thymus Transplantation in DiGeorge Syndrome #668
Phase II Study of Thymus Transplantation in Complete DiGeorge Syndrome #668
8 other identifiers
interventional
26
1 country
1
Brief Summary
The study purpose is to determine whether cultured thymus tissue implantation (CTTI) is effective in treating typical complete DiGeorge syndrome.
Trial Health
Trial Health Score
Automated assessment based on enrollment pace, timeline, and geographic reach
participants targeted
Target at below P25 for phase_2
Started Oct 1991
Longer than P75 for phase_2
1 active site
Health score is calculated from publicly available data and should be used for screening purposes only.
Trial Relationships
Click on a node to explore related trials.
Study Timeline
Key milestones and dates
Study Start
First participant enrolled
October 1, 1991
CompletedFirst Submitted
Initial submission to the registry
December 17, 2007
CompletedFirst Posted
Study publicly available on registry
December 19, 2007
CompletedPrimary Completion
Last participant's last visit for primary outcome
April 1, 2009
CompletedStudy Completion
Last participant's last visit for all outcomes
December 31, 2017
CompletedResults Posted
Study results publicly available
February 17, 2020
CompletedMarch 25, 2022
March 1, 2022
17.5 years
December 17, 2007
December 27, 2019
March 23, 2022
Conditions
Keywords
Outcome Measures
Primary Outcomes (1)
Survival at 1 Year Post-Cultured Thymus Tissue Implantation (CTTI)
Survival at 1 year post CTTI was assessed using the Kaplan Meier Estimated Survival. This mathematical function estimates the survival for a certain length of time.
1 year post-CTTI
Secondary Outcomes (8)
Survival at 2 Years Post-CTTI
2 years post-CTTI
Immune Reconstitution Efficacy - Total CD3 T Cells
1 year post-CTTI
Immune Reconstitution Efficacy - Total CD4 T Cells
1 year post-CTTI
Immune Reconstitution Efficacy - Total CD8 T Cells
1 year post-CTTI
Immune Reconstitution Efficacy - Naive CD4 T Cells
1 year post-CTTI
- +3 more secondary outcomes
Study Arms (1)
Cultured Thymus Tissue Implantation in Complete DiGeorge
EXPERIMENTALParticipants with Complete DiGeorge Syndrome, who were eligible, received cultured thymus tissue implantation (CTTI). No specific dose was assigned. There was a one time administration of the cultured thymus tissue.
Interventions
Cultured thymus tissue for implantation (CTTI) (previously described as transplantation) is done using allogeneic cultured postnatal tissue from unrelated thymus donors. Thymus tissue, the thymus donor, \& thymus donor's birth mother were screened for safety. Approximately 2-3 weeks post-harvest thymus slices were implanted into the recipient's quadriceps. Dose was number of grams of cultured thymus tissue divided by the recipient's weight in kilograms. Minimum dose was 4 g/m2. Maximum dose 18g/m2. At time of CTTI, a skin biopsy was obtained to look for preexisting T cells. 2-3 months post-CTTI allograft biopsy to evaluate for thymopoiesis \& graft rejection. At time of biopsy, skin biopsy done to look for T cell clonal populations. Post-CTTI, subjects followed by routine research immune evaluations, using blood samples for approximately 2 years.
Eligibility Criteria
You may qualify if:
- The subject's parent(s) signed the ICF.
- For a diagnosis of DiGeorge Syndrome (DGS), the subject had one of the following:
- Heart defect
- Hypoparathyroidism
- q11 hemizygosity
- p13 hemizygosity
- Coloboma, heart defect, choanal atresia, growth and development retardation, genital hypoplasia, ear anomalies/ deafness CHARGE association mutation (CHD7 deletion);
- PHA proliferative responses less than 20-fold above background.
- Subjects with typical Complete DiGeorge Anomaly (cDGA) had to have one of the following on 2 separate occasions:
- Circulating CD3+ T cells by flow cytometry \< 50/mm3 or PHA \< 20-fold over background
- If CD3+ were \> 50/mm3, then CD45RA+ (cluster of differentiation 45RA) CD62L+ had to be \< 50/mm3
- Or T cell receptor rearrangement excision circles (TRECs) by PCR had to be \< 100 per 100,000 CD3+ cells.
- Subjects with atypical cDGA had to have both of the following with 2 studies each:
- Circulating CD3+ T cells by flow cytometry \> 500/mm3 and CD45RA+ CD62L+ CD3+ T cells \< 50/mm3 and TRECs less than 100 per 100,000 CD3+ cells.
- T cell proliferative response to PHA more than 20-fold over background. Circulating CD3+ T cells by flow cytometry \> 500/mm3 and CD45RA+ CD62L+ CD3+ T cells \< 50/mm3 and TRECs less than 100 per 100,000 CD3+ cells.
- +1 more criteria
You may not qualify if:
- Subjects on ventilators, with tracheostomies, with cytomegalovirus (CMV) infections, or requiring ongoing steroids could still be enrolled, but their data were to be analyzed separately
- Subjects who had heart surgery \< 4 weeks prior to transplant
- Heart surgery anticipated within 3 months of the proposed time of transplantation
- Ongoing parenteral steroid therapy between enrollment and transplantation
- Present or past lymphadenopathy
- Rash associated with T cell infiltration of the dermis and epidermis
- Rejection by the surgeon or anesthesiologist as surgical candidates
- Lack of sufficient muscle tissue to accept a transplant of 4 g/m2 body surface area (BSA) of the recipient
- Prior attempts at immune reconstitution, such as bone marrow transplantation or previous thymus transplantation
- Human immunodeficiency virus (HIV) infection
Contact the study team to confirm eligibility.
Sponsors & Collaborators
Study Sites (1)
Duke University Medical Center
Durham, North Carolina, 27710, United States
Related Publications (14)
Li B, Li J, Devlin BH, Markert ML. Thymic microenvironment reconstitution after postnatal human thymus transplantation. Clin Immunol. 2011 Sep;140(3):244-59. doi: 10.1016/j.clim.2011.04.004. Epub 2011 Apr 16.
PMID: 21565561BACKGROUNDChinn IK, Olson JA, Skinner MA, McCarthy EA, Gupton SE, Chen DF, Bonilla FA, Roberts RL, Kanariou MG, Devlin BH, Markert ML. Mechanisms of tolerance to parental parathyroid tissue when combined with human allogeneic thymus transplantation. J Allergy Clin Immunol. 2010 Oct;126(4):814-820.e8. doi: 10.1016/j.jaci.2010.07.016. Epub 2010 Sep 15.
PMID: 20832849BACKGROUNDChinn IK, Milner JD, Scheinberg P, Douek DC, Markert ML. Thymus transplantation restores the repertoires of forkhead box protein 3 (FoxP3)+ and FoxP3- T cells in complete DiGeorge anomaly. Clin Exp Immunol. 2013 Jul;173(1):140-9. doi: 10.1111/cei.12088.
PMID: 23607606BACKGROUNDMarkert ML, Sarzotti M, Ozaki DA, Sempowski GD, Rhein ME, Hale LP, Le Deist F, Alexieff MJ, Li J, Hauser ER, Haynes BF, Rice HE, Skinner MA, Mahaffey SM, Jaggers J, Stein LD, Mill MR. Thymus transplantation in complete DiGeorge syndrome: immunologic and safety evaluations in 12 patients. Blood. 2003 Aug 1;102(3):1121-30. doi: 10.1182/blood-2002-08-2545. Epub 2003 Apr 17.
PMID: 12702512RESULTMarkert ML, Devlin BH, Alexieff MJ, Li J, McCarthy EA, Gupton SE, Chinn IK, Hale LP, Kepler TB, He M, Sarzotti M, Skinner MA, Rice HE, Hoehner JC. Review of 54 patients with complete DiGeorge anomaly enrolled in protocols for thymus transplantation: outcome of 44 consecutive transplants. Blood. 2007 May 15;109(10):4539-47. doi: 10.1182/blood-2006-10-048652. Epub 2007 Feb 6.
PMID: 17284531RESULTMarkert ML, Devlin BH, McCarthy EA. Thymus transplantation. Clin Immunol. 2010 May;135(2):236-46. doi: 10.1016/j.clim.2010.02.007. Epub 2010 Mar 16.
PMID: 20236866RESULTMarkert ML and Devlin BH. Thymic reconstitution (in Rich RR, Shearer WT, Fleischer T, Schroeder HW, Weyand CM, Frew A, eds., Clinical Immunology 3rd edn., Elsevier, Edinburgh) p 1253-1262, 2008.
RESULTChinn IK, Devlin BH, Li YJ, Markert ML. Long-term tolerance to allogeneic thymus transplants in complete DiGeorge anomaly. Clin Immunol. 2008 Mar;126(3):277-81. doi: 10.1016/j.clim.2007.11.009. Epub 2007 Dec 26.
PMID: 18155964RESULTMarkert ML, Li J, Devlin BH, Hoehner JC, Rice HE, Skinner MA, Li YJ, Hale LP. Use of allograft biopsies to assess thymopoiesis after thymus transplantation. J Immunol. 2008 May 1;180(9):6354-64. doi: 10.4049/jimmunol.180.9.6354.
PMID: 18424759RESULTHudson LL, Louise Markert M, Devlin BH, Haynes BF, Sempowski GD. Human T cell reconstitution in DiGeorge syndrome and HIV-1 infection. Semin Immunol. 2007 Oct;19(5):297-309. doi: 10.1016/j.smim.2007.10.002. Epub 2007 Nov 26.
PMID: 18035553RESULTMarkert ML, Devlin BH, Chinn IK, McCarthy EA, Li YJ. Factors affecting success of thymus transplantation for complete DiGeorge anomaly. Am J Transplant. 2008 Aug;8(8):1729-36. doi: 10.1111/j.1600-6143.2008.02301.x. Epub 2008 Jun 28.
PMID: 18557726RESULTMarkert ML, Devlin BH, Chinn IK, McCarthy EA. Thymus transplantation in complete DiGeorge anomaly. Immunol Res. 2009;44(1-3):61-70. doi: 10.1007/s12026-008-8082-5.
PMID: 19066739RESULTMarkert ML, Marques JG, Neven B, Devlin BH, McCarthy EA, Chinn IK, Albuquerque AS, Silva SL, Pignata C, de Saint Basile G, Victorino RM, Picard C, Debre M, Mahlaoui N, Fischer A, Sousa AE. First use of thymus transplantation therapy for FOXN1 deficiency (nude/SCID): a report of 2 cases. Blood. 2011 Jan 13;117(2):688-96. doi: 10.1182/blood-2010-06-292490. Epub 2010 Oct 26.
PMID: 20978268RESULTMarkert ML, Devlin BH, McCarthy EA, Chinn IK, Hale LP. Thymus Transplantation in Thymus Gland Pathology: Clinical, Diagnostic, and Therapeutic Features. Eds Lavinin C, Moran CA, Morandi U, Schoenhuber R. Springer-Verlag Italia, Milan, 2008, pp 255-267.
RESULT
MeSH Terms
Conditions
Interventions
Condition Hierarchy (Ancestors)
Intervention Hierarchy (Ancestors)
Results Point of Contact
- Title
- M. Louise Markert, MD, PhD Professor of Pediatrics and Immunology
- Organization
- Duke University Medical Center
Study Officials
- PRINCIPAL INVESTIGATOR
M. Louise Markert, MD, PhD
Duke University Medical Center, Pediatrics, Allergy & Immunology
Publication Agreements
- PI is Sponsor Employee
- Yes
Study Design
- Study Type
- interventional
- Phase
- phase 2
- Allocation
- NA
- Masking
- NONE
- Purpose
- TREATMENT
- Intervention Model
- SINGLE GROUP
- Sponsor Type
- INDUSTRY
- Responsible Party
- SPONSOR
Study Record Dates
First Submitted
December 17, 2007
First Posted
December 19, 2007
Study Start
October 1, 1991
Primary Completion
April 1, 2009
Study Completion
December 31, 2017
Last Updated
March 25, 2022
Results First Posted
February 17, 2020
Record last verified: 2022-03