National Cancer Institute
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Epidemiology and Genetics Research Branch
Cancer Control and Population Sciences

Breast and Colon Cancer Family Registries

About Colon CFR: Colon-CFR Summary Data


Table 1: Summary Data and Biospecimen Collection by Ascertainment Source and Participant Type for Phase I and Phase II
  Population-based
Ascertainment
Clinic-based
Ascertainment
Total
Phase-I Phase-II Phase-I Phase-II Phase-I & II
CRC-Affected Proband
with epidemiology data 5,111 2,141 441 448 8,141
with blood or mouthwash sample 4,661 1,852 450 415 7,378
with tumor block 4,391 1,131 406 383 6,311
Unaffected Proband
with epidemiology data N/A N/A 145 83 228
with blood or mouthwash sample N/A N/A 142 117 259
CRC-Affected Relative
with epidemiology data 533 132 516 143 1,324
with blood or mouthwash sample 425 126 506 132 1,189
with tumor block 433 100 596 149 1,278
Unaffected Relative
with epidemiology data 12,332 2,923 3,273 1,288 19,816
with blood or mouthwash sample 5,913 2,539 3,053 1,233 12,738
Population-based Control
with epidemiology data 3,754 354 0 0 4,108
with blood or mouthwash sample 2,431 301 0 0 2,732
Spouse Control
with epidemiology data 720 68 195 0 983
with blood or mouthwash sample 688 70 200 0 958
 
Represents recruitment and data collection through December 31, 2006

Table 2: Summary of Biospecimens
Dispatched to Date by Type
Common Sample Types Total # samples dispatched
Genomic DNA 96,117
Tissue sections on slides 21,699
Slow-frozen lymphocyte cells 20,898
PET Tissue DNA 16,729
Plasma 2,128
DNA from Buccal Cells 255
RNA 58
LCL (lymphoblast cell line) 41
Fresh frozen tissue DNA 2
TOTAL 157,927

 


Table 3: General Characteristics of Phase-I Colon CFR Probands
PROBANDS TOTAL
Sex
Male 3,273
Female 3,323
Age at diagnosis
<30 years 66
30-39 years 366
40-49 years 1,134
50-59 years 1,888
60-69 years 2,177
≥70 years 965
Primary site
Colon (ICD-O: 18.0, 18.2-18.7) 2,930
Rectum (ICD-O: 19.9, 20.9, 21.8) 1,858
Colorectal (ICD-O: 18.8, 18.9, 26.0) 381
Appendix (ICD-O: 18.1) 37
Multiple sites (synchronous primaries) 156
Proband’s FDR history of CRC
0 affected FDRs 4,757
1 affected FDR 1,451
≥2 affected FDRs 388
Race
American Indian/Alaska Native 58
Asian 280
Native Hawaiian or Other Pac.Islander 27
Black or African American 140
White 5,806
More Than One Race 102
Unknown or Not Reported 183
 
Only incident cases recruited during the funding period (1998-2002) are reported.
Additional cases (either that were not selected for full enrollment based on their
family history or were prevalent cases are excluded from this report).

 


Table 4: Active Follow-up on Phase I Enrollees
Population-based enrollees Total
Probands eligible for active follow-up 4,088
Probands with active follow-up completed to date 3,248
Relatives with active follow-up completed 9,140
Clinic-based cases enrollees Total
Probands eligible for active follow-up 578
Probands with active follow-up completed to date 502
Relatives with active follow-up completed 2,821

 


Table 5: Phase I Molecular Characterization Scheme

Phase I Molecular Characterization Scheme

 


Table 6: Results of Germline Mutation Testing in DNA MMR Genes
December 2006
  MLH1 MSH2 MSH6
# Eligible 1,747 1,747 334
# Tested 1,747 1,747 334
# Cases with deleterious mutations 77 75 21
# Polymorphisms 2,021 1,569 727
# Cases with unclassified sequence variants 119 96 15

 


Table 7: Results of Methylation Testing of Tumor MLH1
  MLH1 Methylation
# Eligible 2,469
# Tested 2,469
# Cases with methylated MLH1 311 with high level methylation;
133 with low level methylation
 
Population-based affected probands and clinic-based probands are combined.

 


Table 8: MLH1, MSH2, & MSH6 MLPA Testing
(Multiple Ligation Probe Assay)
December 2006
  MLH1 MSH2 MSH6
# Eligible 1747 1747 334
# Tested 1747 1747 332
# With deleterious deletions 7 39 2
 
Population-based affected probands and clinic-based probands are combined.

 


Table 9: Methylation Testing of Tumor MLH1
December 2006
  MLH1 Methylation
# Eligible 2,469
# Tested 2,469
# Cases with methylated MLH1 311 with high level methylation;
133 with low level methylation
 
Population-based affected probands and clinic-based probands are combined.

 


Table 10: Phase II Recruitment and Data Collection
December 2006
CRC-Affected Proband Total
with epidemiology data 2,589
with dietary data 1,117
with blood or buccal sample 2,267
with tumor block 1,489
with MSI results 93
with IHC results 804
Unaffected Proband Total
with epidemiology data 83
with dietary data 53
with blood or buccal sample 117
CRC-Affected Relative Total
with epidemiology data 275
with dietary data 111
with blood or buccal sample 258
with tumor block 249
with MSI results 33
with IHC results 150
Unaffected Relative Total
with epidemiology data 4,211
with dietary data 1,838
with blood or buccal sample 3,772
Population-based Control Total
with epidemiology data 354
with dietary data 0
with blood or buccal sample 301
Spouse Control Total
with epidemiology data 68
with dietary data 65
with blood or buccal sample 70

 


Table 11: Characteristics of Colon CFR Probands from Phase II
  Total
Sex
Male 1,464
Female 1,427
Age at diagnosis
<30 years 89
30-39 years 420
40-49 years 1,631
50-59 years 278
60-69 years 267
≥70 years 206
Primary site
Colon (ICD-O: 18.0, 18.2-18.7) 1,389
Rectum (ICD-O: 19.9, 20.9, 21.8) 869
Colorectal (ICD-O: 18.8, 18.9, 26.0) 584
Appendix (ICD-O: 18.1) 27
Multiple sites (synchronous primaries) 22
Proband’s FDR history of CRC
0 affected FDRs 2,360
1 affected FDR 432
≥2 affected FDRs 99
Race
American Indian/Alaska Native 34
Asian 316
Native Hawaiian/Other Pac. Islander 20
Black or African American 357
White 1,792
More Than One Race 236
Unknown or Not Reported 150
 
Represents recruitment and data collection through December 31, 2006

Table 12: Phase-I Tumor Phenotyping for DNA Mismatch Repair Deficiency: Microsatellite Instability Results
  Total
Total MSI records 3,986
Tumor MSI  
MSI-High 668
MSI-Low 458
MSS 2,860
 
MSI - Microsatellite Instability
MSI-High (30-100% makers unstable; MSI-Low (1-29% markers unstable); MSI-Low (1-29% markers unstable)
MSI results shown only on those tumors with >4 markers successfully amplified.
*In addition, 30 Phase II Clinic-based tumors have been tested for MSI.

Table 13: Tumor Phenotyping for DNA Mismatch Repair Deficiency:
Immunohistochemistry Expression of DNA Mismatch Repair Gene Product
  Population-Based Clinic-Based Total
Phase I Phase II Phase I Phase II
Total IHC records 3,362 394 320 328 4,404
Tumor Immunohistochemistry Status          
MLH1 or MLH1/PMS2 loss 358 36 48 56 498
MSH2 or MSH2/MSH6 loss 82 17 45 26 170
MSH6-only loss 35 19 17 18 89
PMS2-only loss 34 24 8 18 84
Other pattern of IHC loss 6 1 0 0 7
No loss 2,847 297 202 210 3,556

Table 14: Phase II Fresh Frozen Tissue Ascertainment
  U of HI Mayo FHCRC USC Austr CCO Total
Number of consents obtained 4 39 N/A 58 N/A 171 272
Number of tissues obtained 4 83 N/A 58 N/A 171 272
Total goal for Phase II recruitment 30 60 N/A 120 N/A 60 270
 
Reflects data collected through December 2006.

Last modified:
17 Apr 2007
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