Natural History Study of SCID Disorders



Status:Recruiting
Conditions:Other Indications, Infectious Disease, HIV / AIDS, Ocular, Women's Studies
Therapuetic Areas:Immunology / Infectious Diseases, Ophthalmology, Other, Reproductive
Healthy:No
Age Range:Any
Updated:11/23/2018
Start Date:August 2010
End Date:August 2019

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A Prospective Natural History Study of Diagnosis, Treatment and Outcomes of Children With SCID Disorders (RDCRN PIDTC-6901)

This study is a prospective evaluation of children with Severe Combined Immune Deficiency
(SCID) who are treated under a variety of protocols used by participating institutions. In
order to determine the patient, recipient and transplant-related variables that are most
important in determining outcome, study investigators will uniformly collect pre-, post- and
peri-transplant (or other treatment) information on all children enrolled into this study.

Children will be divided into three strata:

- Stratum A: Typical SCID with virtual absence of autologous T cells and poor T cell
function

- Stratum B: Atypical SCID (leaky SCID, Omenn syndrome and reticular dysgenesis with
limited T cell diversity or number and reduced function), and

- Stratum C: ADA deficient SCID and XSCID patients receiving alternative therapy including
PEG-ADA ERT or gene therapy.

Each Group/Cohort Stratum will be analyzed separately.

This study follows participants with SCID prospectively, meaning the study enrolls
participants where there is a plan to receive a blood and marrow transplant, enzyme therapy,
or gene therapy in the future. Participants are then followed according to a schedule set out
by the study protocol after the procedure. There are no experimental therapies on this study.

The study plans to enroll over 540 participants with SCID. By studying new participants
undergoing treatment for SCID, the goal is to learn more about: (1) outcomes from the
treatment of SCID in the modern era of medicine (2) what factors lead to the best long-term
outcomes, such as best donor, conditioning regimen, timing of transplant, etc., and (3) what
impact newborn screening and the early diagnosis of SCID has had on the long-term outcomes
following BMT or gene therapy. Information is also being gathered on how and when the immune
system recovers after bone marrow transplant (BMT), quality of life for long-term survivors,
and about whether children develop normally after treatment.

This natural history study is the largest coordinated prospective study of participants with
SCID ever performed. Information that investigators will learn, both now and in the future,
will help doctors and other health professionals to better treat children with SCID.

Inclusion Criteria:

Stratum A: Typical SCID (formerly referred to as Classic SCID)- -Subjects who meet the
following inclusion criteria and the intention is to treat with allogeneic hematopoietic
cell transplant (HCT) are eligible for enrollment into Stratum A (Typical SCID) 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

- T cells of maternal origin present.

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

-Subjects who meet the following criteria and the intention is to treat with HCT are
eligible for enrollment into Stratum B:

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 response to anti-CD3/CD28 antibody

- b.) Absent or <30% of lower limit of normal proliferative responses to candida
and tetanus toxoid antigens

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

- a.) Reduced number of CD3 T cells

- age ≤2 years: <1500/microliter

- age >2 years and ≤4 years: <800/microliter

- age >4 years: <600/microliter

- b.) ≥80% of CD3+ or CD4+ T cells that 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 ≥1 hypomorphic mutation in an autosomal
SCID-causing gene

- d.) Low T Cell Receptor Excision Circles (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.

Omenn Syndrome:

- Generalized skin rash

- Maternal lymphocytes tested for and not detected;

--Note: If maternal engraftment was not assessed and ruled out, the subject is not
eligible as Omenn Syndrome.

- ≥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 <2 years of age);

- Absent or low (< 30% lower limit of normal) T cell proliferation response to antigens
(Candida, tetanus) to which the subject has been exposed

NOTE: If proliferation to antigen was not performed, but at least 4 of the following 9
supportive criteria, at least one of which must be among those marked with an asterisk (*)
below are present, the subject is eligible as Omenn Syndrome:

- Hepatomegaly

- Splenomegaly

- Lymphadenopathy

- Elevated IgE

- Elevated absolute eosinophil count

- *Oligoclonal T cells measured by CDR3 length or flow cytometry

- *Proliferation to PHA is reduced <50% of lower limit of normal or SI <30

- *Hypomorphic mutation in a SCID causing gene

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

Reticular Dysgenesis:

- Absence or very low number of T cells (CD3 <300/µL

- No or very low (<10% lower limit of normal) T cell response to PHA

- Severe neutropenia (absolute neutrophil count < 200 /µL) AND

- ≥2 of the following (a,b,c):

- a.) Sensori-neural deafness

- b.) Deficiency of marrow granulopoiesis on bone marrow examination

- c.) A pathogenic mutation in the adenylate kinase 2 (AK2) gene identified.

Stratum C:

Subjects who meet the following criteria and the intention is to treat with therapy other
than allogeneic HCT, primarily PEG-ADA ERT or gene therapy with autologous modified (gene
transduced) cells, are eligible for enrollment into

Stratum C:

- ADA Deficient SCID with intention to treat with PEG-ADA ERT

- ADA Deficient SCID with intention to treat with gene therapy

- X-linked SCID with intention to treat with gene therapy

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

- Any SCID patient who received therapy for SCID deemed "non-standard" or
"investigational", including in utero procedures.

Exclusion Criteria:

-Subjects who meet any of the following exclusion criteria are disqualified from enrollment
in Strata A, B, or C of the study:

- Presence of an Human Immunodeficiency Virus (HIV) infection (by PCR) or other cause of
secondary immunodeficiency

- Presence of DiGeorge syndrome

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

- Metabolic conditions that imitate SCID or related disorders such as folate transporter
deficiency, severe zinc deficiency or transcobalamin deficiency.
We found this trial at
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Bethesda, Maryland 20892
Principal Investigator: Harry Malech, MD
Phone: 301-480-6916
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1720 2nd Ave S
Birmingham, Alabama 35233
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University of Alabama at Birmingham The University of Alabama at Birmingham (UAB) traces its roots...
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3333 Burnet Avenue # Mlc3008
Cincinnati, Ohio 45229
 1-513-636-4200 
Principal Investigator: Sharat Chandra, MD
Phone: 513-636-5917
Cincinnati Children's Hospital Medical Center Patients and families from across the region and around the...
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700 Childrens Drive
Columbus, Ohio 43205
(616) 722-2000
Principal Investigator: Rolla Abu-Arja, MD
Phone: 614-722-3582
Nationwide Children's Hospital At Nationwide Children’s, we are creating the future of pediatric health care....
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Denver, Colorado 80218
Principal Investigator: Hesham Eissa, MD
Phone: 720-777-5179
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Durham, North Carolina 27710
(919) 684-8111
Principal Investigator: Rebecca H. Buckley, MD
Phone: 919-684-2922
Duke University Younger than most other prestigious U.S. research universities, Duke University consistently ranks among...
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4650 Sunset Blvd
Los Angeles, California 90027
 (323) 660-2450
Principal Investigator: Neena Kapoor, MD
Phone: 323-361-2217
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Los Angeles, California 90095
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Principal Investigator: Theodore Moore, MD
Phone: 310-825-6708
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262 Danny Thomas Pl
Memphis, Tennessee 38105
(901) 495-3300
Principal Investigator: Ewelina K. Mamcarz, MD
Phone: 901-595-8343
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South 34th Street
Philadelphia, Pennsylvania 19104
 215-590-1000
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4401 Penn Avenue
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3181 Southwest Sam Jackson Park Road
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503 494-8311
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1500 E Medical Center Dr
Ann Arbor, Michigan 48109
(734) 936-4000
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Atlanta, Georgia 30322
Principal Investigator: Shanmuganathan Chandrakasan, MD
Phone: 404-727-8877
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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
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Cleveland, Ohio 44106
Principal Investigator: Jignesh Dalal, MD
Phone: 216-844-3345
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Dallas, Texas 75390
Principal Investigator: Victor Aquino, MD
Phone: 214-456-2382
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30 Prospect Ave
Hackensack, New Jersey 07601
(201) 996-2000
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6621 Fannin St
Houston, Texas 77030
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Madison, Wisconsin 53705
Principal Investigator: Kenneth DeSantes, MD
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8701 W Watertown Plank Rd
Milwaukee, Wisconsin
(414) 955-8296
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Phone: 414-456-4170
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Minneapolis, Minnesota 55455
Principal Investigator: Angela Smith, MD
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New Orleans, Louisiana 70118
Principal Investigator: Lolie Yu, MD, MPH
Phone: 504-896-9740
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1275 York Ave
New York, New York 10021
(212) 639-2000
Principal Investigator: Richard J O'Reilly, MD
Phone: 646-888-2157
Memorial Sloan Kettering Cancer Center Memorial Sloan Kettering Cancer Center — the world's oldest and...
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Palo Alto, California 94304
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1919 E Thomas Rd
Phoenix, Arizona 85006
(602) 933-1000
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Rochester, Minnesota 55905
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Rochester, New York 14642
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Saint Louis, Missouri 63104
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Saint Louis, Missouri 63110
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Phone: 314-454-6018
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Saint Petersburg, Florida 33701
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Phone: 727-767-3513
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Salt Lake City, Utah 84113
Principal Investigator: David Shyr, MD
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San Antonio, Texas 78229
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San Francisco, California 94143
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Seattle, Washington 98105
Principal Investigator: Lauri M Burroughs, MD
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Valhalla, New York 10595
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111 Michigan Ave NW
Washington, District of Columbia
(202) 476-5000
Principal Investigator: Blachy J. Dávila Saldaña, MD
Phone: 202-476-4561
Childrens National Medical Center As the nation’s children’s hospital, the mission of Children’s National Medical...
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