511 studies found for:    "tetrasomy 18p" OR "Chromosomal Disorder"
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Rank Status Study
21 Unknown  Immunologic Evaluation in Patients With DiGeorge Syndrome or Velocardiofacial Syndrome
Conditions: DiGeorge Syndrome;   Shprintzen Syndrome;   Chromosome Abnormalities;   Abnormalities, Multiple;   Conotruncal Cardiac Defects
22 Completed Study of Phenotype and Genotype Correlations in Patients With Contiguous Gene Deletion Syndromes
Conditions: Williams Syndrome;   Angelman Syndrome;   Prader-Willi Syndrome;   Shprintzen Syndrome;   Smith-Magenis Syndrome;   DiGeorge Syndrome;   Chromosome Abnormalities
23 Completed Genetic Analysis of Fraser Syndrome and Fryns Syndrome
Conditions: Fraser Syndrome;   Fryns Syndrome;   Chromosomal Abnormalities;   Abnormalities, Multiple
24 Terminated Accuracy Testing of the Chromosomal Aberration and Gene Mutation Markers of the AMLProfiler
Conditions: Acute Myeloid Leukemia (AML);   Acute Promyelocytic Leukemia (APL);   Refractory Anemia With Excess of Blasts (RAEB)
25 Completed Study of Markers of Cosmic Radiation Exposure and Effect Among Flight Crews
Condition: Frequency of Chromosome Aberrations
26 Unknown  Method Comparison and Clinical Specificity Study: Evaluation of the Infinium HD Cytogenetic Abnormality Test
Condition: Post-natal Cytogenetics
27 Completed Azacytidine for the Treatment of Myelodysplastic Syndromes/Acute Myeloid Leukemia (MDS/AML) With High Risk (Chromosome 7 and or Complex) Cytogenetic Abnormalities
Conditions: Myelodysplastic Syndromes;   Leukemia, Myeloid, Acute
Intervention: Drug: 5 azacytidine
28 Completed
Has Results
Lenalidomide Safety/Efficacy in Myelodysplastic Syndromes (MDS) Associated With a Deletion (Del)(5q) Cytogenetic Abnormality
Condition: Myelodysplastic Syndromes
Intervention: Drug: lenalidomide
29 Completed
Has Results
Effects of Methylphenidate on Cellular Abnormalities in Children With Attention Deficit Hyperactivity Disorder (ADHD)
Condition: Attention Deficit Hyperactivity Disorder
Interventions: Drug: Extended Release Methylphenidate (Ritalin LA ) plus Behavior Therapy;   Behavioral: Behavior Therapy
30 Completed
Has Results
Lenalidomide Versus Placebo in Myelodysplastic Syndromes With a Deletion 5q[31] Abnormality
Condition: Myelodysplastic Syndromes
Interventions: Drug: Lenalidomide 5 mg;   Drug: Lenalidomide 10 mg;   Drug: Placebo
31 Not yet recruiting Aneuploidies in Embryos and Spermatozoa From Patients With Y-chromosome Microdeletions
Condition: Male Sterility Due to Y-chromosome Deletions
32 Recruiting RA-2 13-cis Retinoic Acid (Isotretinoin)
Conditions: Male Infertility;   Klinefelter's Syndrome;   Y-chromosome Microdeletions
Intervention: Drug: 13-cis retinoic acid
33 Completed Evaluation of Patients With Unresolved Chromosome Abnormalities
Conditions: Abnormalities;   Failure to Thrive;   Mental Retardation;   Microcephaly
34 Terminated Relationship of Genetic Differences to the Development of Chromosome Abnormalities
Condition: Radiation Exposure
35 Recruiting Mapping the Genotype, Phenotype, and Natural History of Phelan-McDermid Syndrome
Conditions: Phelan-McDermid Syndrome;   Autism Spectrum Disorder;   Intellectual Disability
36 Recruiting Characterization of 3q29 Deletion Syndrome and 3q29 Duplication Syndrome
Conditions: Microdeletion 3q29 Syndrome;   Microduplication 3q29 Syndrome
37 Completed Mitochondrial Dysfunction in Phelan-McDermid Syndrome: Explaining Clinical Variation and Providing a Path Towards Treatment
Condition: Phelan-McDermid Syndrome
38 Recruiting Clinical Trial in 22q13 Deletion Syndrome(Phelan-McDermid Syndrome)
Conditions: 22q13 Deletion Syndrome;   Phelan-McDermid Syndrome
Interventions: Drug: Insulin-Like Growth Factor-1 (IGF-1);   Drug: Normal saline
39 Recruiting Non-Invasive Screening for Fetal Aneuploidy
Conditions: Down Syndrome;   Edwards Syndrome
Intervention: Other: Maternal Blood Draw
40 Recruiting Study of Psychological and Motor Effects of Testosterone in Adolescents With XXY/Klinefelter Syndrome
Conditions: Klinefelter Syndrome;   XXY Syndrome
Interventions: Drug: Testosterone gel 1%;   Drug: Placebo gel

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Indicates status has not been verified in more than two years