Patients Treated for SCID (1968-Present)



Status:Recruiting
Conditions:Infectious Disease, Ocular, Women's Studies
Therapuetic Areas:Immunology / Infectious Diseases, Ophthalmology, Reproductive
Healthy:No
Age Range:Any
Updated:11/23/2018
Start Date:May 2011
End Date:August 2019

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A Retrospective and Cross-Sectional Analysis of Patients Treated for SCID Since January 1,1968 (RDCRN PIDTC-6902)

People with Primary Immune Deficiency (PID) may develop severe, life-threatening infections
as a result of inherited defects in the genes that normally instruct blood-forming cells to
develop and to fight infections. PID diseases include Severe Combined Immune Deficiency
(SCID), leaky SCID, Omenn syndrome (OS), and Reticular Dysgenesis (RD). PIDs may be treated
by transplantation of bone marrow stem cells from a healthy person or, in some cases, by
enzyme replacement or by gene therapy. Patients with SCID were among the first to receive
bone marrow stem cell (also called hematopoietic cells) transplantation (HCT) more than 40
years ago, and HCT is the standard treatment today for this group of diseases. Since PID
diseases are rare, there are not enough patients at any single center to determine the full
range of causes, natural history, or best methods of treatment. For this research study many
PID centers across North America have organized into the Primary Immune Deficiency Treatment
Consortium (PIDTC) to pool their experience and study PIDs together. Researchers will collect
information on your general health, psychological and developmental health, and the current
status of your immune system to help better define future approaches to PID treatments.


Inclusion Criteria:

Strata A, B, and C (Part 1 - Retrospective Study)-

- Individuals with Severe Combined Immune Deficiency (SCID) diagnosis who:

--were treated at a location participating in this consortium from 1968 until present,
and

--are not enrolled in RDCRN PIDTC-6901 (ClinicalTrials.gov ID: NCT01186913).

- Subjects who received HCT/GT/ERT prior to the present date are eligible for the
retrospective study. The enrollment criteria for subjects who died prior to definitive
therapy are the same as for Strata A, B and C.

Stratum A, Typical SCID:

- Individuals who meet the following inclusion criteria and who received HCT are
eligible for enrollment into Stratum A of the study:

- Absence or very low number of T cells (CD3 T cells < 300/microliter), and no or
very low T cell function (< 10% of lower limit of normal) as measured by response
to phytohemagglutinin (PHA) or cells of maternal origin present.

- If maternal cells are present but the patient does not meet criteria for very low
T cell function as defined, the assigned reviewers for the potential subject, and
if necessary, the full PID‐SCID RP will review the laboratory report to determine
if criteria of maternal engraftment are met for Protocol 6902.

- Laboratory report of testing for maternal engraftment is required, for evaluation
by the PID‐SCID RP.

Stratum B, Leaky SCID, Omenn Syndrome, Reticular Dysgenesis:

Individuals who meet the following criteria are eligible for enrollment into Stratum B of
the study:

Leaky SCID-

- Maternal lymphocytes tested for and not detected and,

- Either one or both of the following (a,b):

a) < 50% of lower limit of normal T cell function (as measured by response to PHA OR <
50% of lower limit of normal T cell function as measured by response to CD3/CD28
antibody, b) Absent or < 30% lower limit of normal proliferative responses to candida
and tetanus toxoid antigens postvaccination or exposure,

- AND at least one of the following (a through e):

1. Reduced number of CD3 T cells,

2. > 80% of CD3+ or CD4 T cells are CD45RO+,

- AND/OR >80% of CD3+ or CD4+ T cells are,CD62L negative,

- AND/OR >50% of CD3+ or CD4+ T cells express HLA‐DR (at < 4 years of age),

- AND/OR are oligoclonal T cells. c) Hypomorphic mutation in IL2RG in a male, or
homozygous hypomorphic mutation or compound heterozygosity with at least one
hypomorphic mutation in an autosomal SCID‐causing gene.

d) Low TRECs and/or the percentage of CD4+/45RA+/CD31+ or CD4+/45RA+/CD62L+ cells is
below the lower limit of normal.

e) Functional testing in vitro supporting impaired, but not absent, activity of the
mutant protein,

- AND does not meet criteria for Omenn Syndrome,

- AND does not have known selective loss of lymphocytes, Ataxia‐ Telangiectasia, or
congenital heart defect associated with lymphopenia, unless a SCID genotype is
also present.

Omenn Syndrome (OS):

- Generalized skin rash,

- Maternal engraftment tested for and not detected,

- Absent or low (up to 30% of normal) T cell proliferation to antigens to which the
patient has been exposed.

- If the proliferation to antigen was not performed, but at least 4 of the following 10
supportive criteria, at least one of which must be among those marked with an asterisk
(*) are present, the patient is eligible: hepatomegaly; splenomegaly; lymphadenopathy;
elevated IgE; elevated absolute eosinophil count; *oligoclonal T cells measured by
CDR3 length or flow cytometry >80% of CD4+ T cells are CD45RO+ ;*proliferation to PHA
is reduced <50% of lower limit of normal or SI <30; *proliferative response in mixed
leukocyte reaction is reduced to increment cpm < 20% or SI <20; hypomorphic mutation
to SCID causing gene; low TRECs and/or percentage of CD 4+/ RA+/CD31+; or
CD4+/RA+/CD62L+ cells below the lower limit of normal.

Reticular Dysgenesis (RD):

- Absence or very low number of T cells (CD3 T cells <300/microliter),

- No or very low (<10% of lower limit of normal) T cell function (as measured by
response to phytohemagglutinin (PHA),

- Severe congenital neutropenia (absolute neutrophil count <200/microliter),

- AND at least one of the following:

- Sensorineural deafness and/or absence of granulopoiesis at bone marrow
examination and/or a deleterious AK2 mutation,

- absence of granulopoiesis on bone marrow examination; a pathogenic mutation in
the adenylate kinase 2 (AK2) gene identified.

Stratum C, SCID with Non-HCT Treatments:

-Individuals who meet the following criteria and were treated with PEG-ADA or gene therapy
with autologous modified cells are eligible for enrollment into Stratum C (SCID with
non-HCT treatments) of the study-

- Any SCID patient previously treated with a thymus transplant (includes intention to treat
with HCT, as well as PEG‐ADA ERT or gene therapy).

Strata A, B, and C (Part 2 - Cross-Sectional Study):

Patient inclusion criteria for the cross sectional study: Eligibility for Strata A, B and C
are the same as for the retrospective study except that all the patients in the
cross-sectional study are currently surviving and are at least 2 years post the most recent
class of therapy.

Exclusion Criteria:

Parts 1 and 2 - Retrospective and Cross-Sectional Studies -

- Lack of appropriate testing to rule out HIV infection after 1997 (p24 antigen or more
sensitive) or other cause of secondary immunodeficiency,

- Presence of DiGeorge syndrome,

- Most patients with other PIDs such as nucleoside phosphorylase deficiency, ZAP70
deficiency, CD40 ligand deficiency, NEMO deficiency, XLP, cartilage hair hypoplasia or
ataxia telangiectasia will not meet the inclusion criteria for Stratum A, B, or C
above; however, a patient with one of the above may meet the inclusion criteria for
Stratum B and if so will be included-

- MHC Class I and MHC Class II antigen deficiency are excluded,

- Metabolic conditions that imitate SCID or related disorders such as folate
transporter deficiency, severe zinc deficiency, transcobalamin deficiency.
We found this trial at
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Minneapolis, Minnesota 55455
Principal Investigator: Angie Smith, MD
Phone: 612-626-2778
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1720 2nd Ave S
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(205) 934-4011 
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3333 Burnet Avenue # Mlc3008
Cincinnati, Ohio 45229
 1-513-636-4200 
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Cincinnati Children's Hospital Medical Center Patients and families from across the region and around the...
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Denver, Colorado 80218
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Durham, North Carolina 27710
(919) 684-8111
Principal Investigator: Rebecca Buckley, MD
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4650 Sunset Blvd
Los Angeles, California 90027
 (323) 660-2450
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Childrens Hospital Los Angeles Children's Hospital Los Angeles is a 501(c)(3) nonprofit hospital for pediatric...
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Los Angeles, California 90095
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Principal Investigator: Theodore Moore, MD
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262 Danny Thomas Pl
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St. Jude Children's Research Hospital St. Jude is unlike any other pediatric treatment and research...
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South 34th Street
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 215-590-1000
Principal Investigator: Kathleen Sullivan, MD, PhD
Phone: 215-590-1697
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3181 Southwest Sam Jackson Park Road
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1500 E Medical Center Dr
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(734) 936-4000
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Atlanta, Georgia 30322
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Bethesda, Maryland 20892
Principal Investigator: Harry Malech, MD
Phone: 301-480-6916
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Boston, Massachusetts 02115
Principal Investigator: Sung-Yun Pai, MD
Phone: 617-919-2508
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Calgary, Alberta
Principal Investigator: Nicola Wright, MD
Phone: 403-955-3035
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225 E Chicago Ave
Chicago, Illinois 60611
(312) 227-4000
Principal Investigator: Sonali Chaudury, MD
Phone: 773-880-8153
Ann & Robert H. Lurie Children's Hospital of Chicago Ann & Robert H. Lurie Children
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Dallas, Texas 75390
Principal Investigator: Victor Aquino, MD
Phone: 214-648-8800
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30 Prospect Ave
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(201) 996-2000
Principal Investigator: Alfred Gillio, MD
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6621 Fannin St
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Madison, Wisconsin 53705
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8701 W Watertown Plank Rd
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(414) 955-8296
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New Orleans, Louisiana 70118
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1275 York Ave
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Palo Alto, California 94304
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Saint Louis, Missouri 63104
Principal Investigator: Alan Knutsen, MD
Phone: 314-268-2700
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Saint Louis, Missouri 63110
Principal Investigator: Shalini Shenoy, MD
Phone: 314-454-6018
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Saint Petersburg, Florida 33701
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Salt Lake City, Utah 84113
Principal Investigator: David Shyr, MD
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San Antonio, Texas 78229
Principal Investigator: Troy Quigg, MD
Phone: 210-575-7348
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San Francisco, California 94143
Principal Investigator: Christopher Dvorak, MD
Phone: 415-476-3875
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Seattle, Washington 98109
Principal Investigator: Lauri Burroughs, MD
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111 Michigan Ave NW
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(202) 476-5000
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