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DiGeorge AnomalyPhase 2NCT00576836

Thymus Transplantation Dose in DiGeorge #932

A Phase 2 study testing Cultured Thymus Tissue Implantation (CTTI) and Cultured Thymus Tissue Implantation with Parathyroid Transplantation in people with DiGeorge Anomaly and DiGeorge Syndrome, run by Sumitomo Pharma Switzerland GmbH at 1 site in United States.

Completed

Finished. The study has ended and is not enrolling. Results may be posted on the official record.

Official record
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Trial summary

One purpose of this study is to determine whether the amount of cultured thymus tissue implanted into DiGeorge anomaly infants has any effect on the immune outcome. Another purpose of this study is to determine whether parental parathyroid transplantation (in addition to cultured thymus tissue implantation (CTTI) can… Read more about this study

Who is it for?
Any age
What is being tested?
Cultured Thymus Tissue Implantation (CTTI) and Cultured Thymus Tissue Implantation with Parathyroid Transplantation
Could I receive a placebo?
No, everyone receives an active treatment
How many people
7 participants
Where
1 siteUnited States
Study dates
2 Sep 2004to 31 Dec 2019
Phase
Phase 2
Are there results?
Yes, posted in the registrySummary in the doctors' view

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 Any age
  • All sexes
  • No healthy volunteers
  • Child, Adult, Older adult

Who may be able to join

None listed.

Who cannot join

  • Parents do not meet enrollment criteria.
  • Parent(s) decline to be parathyroid donor(s).
  • Parental Parathyroid Donor Inclusion:
  • > 18 years old
  • Answers all questionnaire items and meets safety screening criteria
  • Normal serum calcium
Show all 39Show fewer
  • Normal PTH function
  • HLA typing consistent with parentage
  • Parent chosen for donation will share HLA-DR allele in thymus donor; if not applicable, then either parent will be selected (if meet all other criteria).
  • Must not be on anticoagulation or can come off for donation/transplantation
  • Parental Parathyroid Donor Exclusion:
  • Donor is only living involved parent or caretaker of the recipient
  • Hypoparathyroidism - low parathyroid hormone (PTH) in presence of low serum calcium and high serum phosphate
  • Hyperparathyroidism (or history of) - elevated PTH in presence of high serum calcium and low serum phosphate
  • History of cancer
  • Evidence of any of following: HIV-1, HIV-2, HTLV-1, HTLV-2, syphilis, hepatitis B, hepatitis C, West Nile virus, or Trypanosoma Cruzi (Chagas disease)
  • Elevated AST, ALT, alkaline phosphatase > 3 times upper limit of normal
  • History including receipt of a xenograft or risk factors for SARS, Mad Cow - Disease or smallpox. Note: if parent has Mad Cow Disease risk factors (but not active disease), parent(s) may give permission for transplantation.
  • CMV positive urine
  • Positive CMV IgM antibodies
  • Positive IgM anti-EBV VCA
  • On blood thinners and cannot stop for the parathyroid donation
  • Elevated PT or PTT (> ULN)
  • Platelets < 100,000
  • Positive Toxoplasma IgM
  • The donor will receive a history and physical; may be excluded based on PI's medical judgment
  • Hemoglobin < 9 g/dl
  • Infectious lesion on head or neck
  • Goiter on ultrasound
  • Abnormal fiberoptic laryngoscopy of vocal cords
  • Pregnancy
  • Positive HSV IgG is not an exclusion; however, post transplantation prophylaxis is needed
  • Positive VZV IgG is not an exclusion; however, post transplantation prophylaxis is needed
  • Medical concern of otolaryngologist
  • Concern by medical psychologist or social worker. Parents are interviewed together and separately regarding following areas: medical history; health habits; substance use; relationships and support; education/work history; mental status/psychological history; readiness for donation.
  • Questionnaire (safety screening) responses can lead to exclusion.
  • Biological Mother of DiGeorge Subject Inclusion Criteria:
  • Competent to provide consent
  • Willing to provide blood for testing (No other inclusion/exclusion for mother)

Trial locations and contacts

1 site in 1 country.

United States1 site
  • Duke University Medical Center

    Durham, North Carolina, 27710

Other trials in United States

About this study

Official title: Dose Study of Thymus Transplantation in DiGeorge Anomaly, IND 9836, #932.1

One purpose of this study is to determine whether the amount of cultured thymus tissue implanted into DiGeorge anomaly infants has any effect on the immune outcome. Another purpose of this study is to determine whether parental parathyroid transplantation (in addition to cultured thymus tissue implantation (CTTI) can help both the immune and the calcium problems in DiGeorge infants with hypocalcemia. [Funding Source - FDA Office of Orphan Products Development (OOPD)]

Read the detailed description

DiGeorge anomaly is a congenital disorder in which infants are born with defects of the thymus, heart, and parathyroid gland. Complete DiGeorge Anomaly is usually fatal within the first two years of life. This trial evaluates the role of cultured thymus tissue dose in cultured thymus tissue implantation (CTTI) in complete (typical) DiGeorge anomaly infants, and continues safety assessments.

DiGeorge infants who have successful CTTIs but remain with hypoparathyroidism must go to the clinic for frequent calcium levels and to the hospital for calcium infusions; these infants are at risk for seizures from low calcium. Approximately ½ of infants with profound hypoparathyroidism will develop nephrocalcinosis. This protocol had a parental parathyroid transplant arm for complete DiGeorge infants with athymia and profound hypoparathyroidism.

Being tested
Cultured Thymus Tissue Implantation (CTTI), Cultured Thymus Tissue Implantation with Parathyroid Transplantation
Keywords
Thymus Transplantation, DiGeorge Syndrome, DiGeorge Anomaly, Athymia, Parathyroid Transplantation, Hypocalcemia, Hypoparathyroidism, Low T cell numbers, Immunoreconstitution, Immunodeficiency, Complete DiGeorge, Complete DiGeorge Anomaly, Typical DiGeorge, Cultured Thymus Tissue Implantation (CTTI)
Medical subject headings
DiGeorge Syndrome, Thymic aplasia, Hypocalcemia, Hypoparathyroidism, Immunologic Deficiency Syndromes

What participants receive

What participants receive. In a randomised study each person is assigned to one group by chance.

  • Cultured Thymus Tissue Implantation (CTTI)Biological

    Also called Thymus Tissue for Transplantation, CTTI

    Thymus tissue (from unrelated donor), thymus donor, and thymus donor's birth mother screened for safety. CTTI was done under general anesthesia. Cultured thymus tissue was implanted into quadriceps. Thymus dose at least 4grams/m2 body surface area (0.2 grams/kg body weight) and not >18 grams/m2 body surface area (1.0 grams/kg body weight). At time of CTTI, skin biopsy was obtained to look for preexisting T cells. 2-3 months post-CTTI allograft biopsy was done to evaluate for thymopoiesis \& graft rejection. At time of biopsy, skin biopsy done to look for T cell clonal populations. (Allograft biopsy not done if subject medically unstable.) Post-CTTI, subjects followed by immune evaluations, using blood samples.

  • Cultured Thymus Tissue Implantation with Parathyroid TransplantationOther

    Also called Thymus and Parathyroid Transplant, CTTI and Parathyroid Transplant

    Parental parathyroid donors screened for eligibility and safety. If both parents meet eligibility criteria, the parathyroid will be harvested from parent who shares the most Human Leukocyte Antigens (HLA) alleles with thymus donor. Parathyroid harvest \& transplant preferably done at same time as CTTI. (If parathyroid transplant cannot be done at same time, then it is done within 3-8 weeks of CTTI.) Parathyroid harvest done under general anesthesia. One parathyroid gland is minced \& placed in quadriceps muscle; there is no dose in mg. No biopsy done of the parathyroid. Parathyroid donors are monitored as outpatients until recipients' discharge. Recipients' calcium and PTH levels are monitored indefinitely.

Study groups in NCT00576836
Study groupRoleWhat they receive
Cultured Thymus Tissue Implantation w Parathyroid TransplantExperimentalCultured Thymus Tissue Implantation With Parathyroid Tissue Transplantation. Subjects who were enrolled in this arm underwent cultured thymus tissue implantation with parathyroid transplantation, if eligible. No specific dose was assigned. The thymus tissue dose was the number of grams of cultured thymus tissue divided by the weight of the recipient in kg or per square meter of body surface area of the recipient. There was a one time administration of the cultured thymus tissue and parathyroid tissue.
Receives: Other: Cultured Thymus Tissue Implantation with Parathyroid Transplantation
Cultured Thymus Tissue ImplantationExperimentalCultured Thymus Tissue Implantation. Subjects who were enrolled in this arm underwent cultured thymus tissue implantation (CTTI) only. No specific dose was assigned. The thymus tissue dose was the number of grams of cultured thymus tissue divided by the weight of the recipient in kg or per square meter of body surface area of the recipient. There was a one time administration of the cultured thymus tissue. .
Receives: Biological: Cultured Thymus Tissue Implantation (CTTI)

What is being measured

The primary outcome is the main question the study is designed to answer.

  1. Survival at 1 Year Post-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.

    Measured: 1 year post-CTTI

Secondary outcomes (8)
  1. Survival at 2 Years Post-CTTI

    Survival at 2 years post CTTI was assessed using the Kaplan Meier Estimated Survival. This mathematical function estimates the survival for a certain length of time.

    Measured: 2 years post-CTTI

  2. Immune Reconstitution Efficacy - CD3 T Cells

    The development of total CD3 T cells at one year as measured using flow cytometry

    Measured: 1 year post-CTTI

  3. Immune Reconstitution Efficacy - CD4 T Cells

    The development of total CD4 T cells at one year as measured using flow cytometry

    Measured: 1 year post-CTTI

  4. Immune Reconstitution Efficacy - CD8 T Cells

    The development of total CD8 T cells at one year as measured using flow cytometry

    Measured: 1 year post-CTTI

  5. Immune Reconstitution Efficacy - Naive CD4 T Cells

    The development of naive CD4 T cells at one year as measured using flow cytometry

    Measured: 1 year post-CTTI

  6. Immune Reconstitution Efficacy - Naive CD8 T Cells

    The development of naïve CD8 T cells at one year as measured using flow cytometry.

    Measured: 1 year post-CTTI

  7. Immune Reconstitution Efficacy - Response to Mitogens

    The development of a T cell proliferative response to the mitogen phytohemagglutinin.

    Measured: 1 year post-CTTI

  8. Thymus Allograft Biopsy

    Evidence, on biopsy of the thymus tissue implanted in the recipient muscle, that shows the development of new T cells.

    Measured: 2 to 3 months post-CTTI

Timeline

From the start of the study to its completion; the mark is today. Estimated dates are the sponsor’s plan.

  1. First posted19 Dec 2007 (estimated)
  2. Study start2 Sep 2004
  3. Primary completionNov 2010
  4. Study completion31 Dec 2019

Resources

More details

For doctors and researchers: how the study is designed, who runs it, and its registry IDs.

Study design
Study type
Interventional
Phase
Phase 2
Primary purpose
Treatment
Allocation
Non-randomised
Intervention model
Parallel groups
Masking
None (open label)
Enrolment
7 participants (actual)
IDs, dates and publications
ClinicalTrials.gov ID
NCT00576836
Sponsor's protocol ID
Pro00016144
Other IDs
FDA-FD-R-002606, 2R01AI047040-11A2, R56 Bridge R01AI4704011A1, 5K12HD043494-09, R01AI054843, R01AI047040, 3R56AI047040-11A1S1, 932
Status last verified
Mar 2022
First submitted
17 Dec 2007
Last updated
25 Mar 2022
Data monitoring committee
Yes
FDA-regulated drug
Yes
FDA-regulated device
No

Publications

  • Chinn 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.

    PubMed 18155964
  • Markert 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.

    PubMed 12702512
  • Chinn 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.

    PubMed 23607606
  • Chinn 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.

    PubMed 20832849
  • Markert 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.

    PubMed 17284531
  • Markert 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.

    PubMed 20236866
  • Markert 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.

    PubMed 18557726
  • Markert 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.

  • Markert 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.

    PubMed 18424759
  • Hudson 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.

    PubMed 18035553
  • Markert 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.

  • Markert 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.

    PubMed 19066739
  • 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.

    PubMed 21565561
  • Ciupe SM, Devlin BH, Markert ML, Kepler TB. Quantification of total T-cell receptor diversity by flow cytometry and spectratyping. BMC Immunol. 2013 Aug 6;14:35. doi: 10.1186/1471-2172-14-35.

    PubMed 23914737

Questions about this trial

What is this clinical trial studying?

A Phase 2 study testing Cultured Thymus Tissue Implantation (CTTI) and Cultured Thymus Tissue Implantation with Parathyroid Transplantation in people with DiGeorge Anomaly and DiGeorge Syndrome, run by Sumitomo Pharma Switzerland GmbH 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 0 inclusion and 39 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 25 Mar 2022. 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.

What does this phase mean?

Phase 2 studies give the treatment to a larger group to see whether it has the intended effect and to keep checking safety.

Not every study follows the same path, and some studies (observational studies, device studies) have no phase.

Are results available for this study?

Yes. Results are posted in the registry (first posted 17 Feb 2020). A summary is in the For doctors view, and the full results are on ClinicalTrials.gov.

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?

Survival at 1 Year Post-CTTI (time frame: 1 year post-CTTI). It is what the study was designed to measure, not a finding.

Where can I read the original study information?

On the ClinicalTrials.gov record for NCT00576836, which also lists 14 linked publications.

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 25 Mar 2022.

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