| Literature DB >> 32372569 |
Daniel A Goldstein1,2,3, Chen Mayer4, Tzippy Shochat5, Daniel Reinhorn1,2, Assaf Moore1,2, Michal Sarfaty1,2, Rinat Yerushalmi1,2, Hadar Goldvaser1,2.
Abstract
BACKGROUND: Decision-making regarding adjuvant chemotherapy for early-stage breast cancer can be guided by genomic assays such as OncotypeDX. The concordance of expected clinical decisions guided by OncotypeDX and prognostication online tools such as PREDICT is unknown.Entities:
Keywords: adjuvant; breast cancer; genomic assays; oncotype; predict tool
Mesh:
Substances:
Year: 2020 PMID: 32372569 PMCID: PMC7333833 DOI: 10.1002/cam4.3088
Source DB: PubMed Journal: Cancer Med ISSN: 2045-7634 Impact factor: 4.452
FIGURE 1Patients selection
Characteristics of the included patients
| Characteristic | All cohort (n = 445) | Recurrence score 0‐25 (n = 347) | Recurrence score > 25 (n = 98) |
|
|---|---|---|---|---|
| Median age (range) | 60 (34‐85) | 60 (34‐85) | 59 (35‐83) | .988 |
| Age ≤ 50 year [num (%)] | 89 (20%) | 65 (19%) | 24 (24%) | .252 |
| Premenopausal | 94 (22%) | 72 (22%) | 22 (23%) | .778 |
| Postmenopausal | 332 (78%) | 260 (78%) | 72 (77%) | |
| Detected by screening | 367 (85%) | 286 (84%) | 81 (86%) | .747 |
| Detected by symptoms | 66 (15%) | 53 (16%) | 13 (14%) | |
| Tumor size | ||||
| Median (IQ) | 1.5 (0.3‐5.0) | 1.5 (0.3‐5.0) | 1.7 (0.5‐3.5) | .008 |
| Mean (SD) | 1.59 (0.65) | 1.55 (0.65) | 1.74 (0.62) | |
| T ≤ 1 cm | 106 (24%) | 91 (26%) | 15 (15%) | .008 |
| 1 < T≤2 cm | 254 (57%) | 199 (57%) | 199 (57%) | |
| T > 2 cm | 85 (19%) | 57 (17%) | 28 (29%) | |
| Grade 1 | 75 (16%) | 70 (20%) | 5 (5%) | <.001 |
| Grade 2 | 291 (65%) | 237 (68%) | 54 (55%) | |
| Grade 3 | 79 (19%) | 40 (12%) | 39 (40%) | |
| Intensity of ER expression | ||||
| Mean (SD) | 2.47 (0.55) | 2.55 (0.48) | 2.21 (0.71) | <.001 |
| Intensity of ER expression | ||||
| ER > 2 | 333 (75%) | 273 (78%) | 60 (61%) | <.001 |
| 2 ≥ ER >1 | 105 (24%) | 72 (21%) | 33 (34%) | |
| ER ≤ 1 | 7 (1%) | 2 (1%) | 5 (5%) | |
| Intensity of PR expression | ||||
| Mean (SD) | 1.44 (1.06) | 1.61 (1.02) | 0.81 (0.95) | <.001 |
| PR negative–num (%) | 69 (16%) | 34 (10%) | 35 (36%) | |
| Ki67%<10% | 109 (34%) | 103 (41%) | 6 (8%) | <.001 |
| Ki67 ≥ 10% | 213 (66%) | 147 (59%) | 66 (92%) | |
| LVI absent | 403 (94%) | 316 (95%) | 87 (92%) | .265 |
| LVI present | 30 (6%) | 17 (5%) | 8 (8%) | |
| PNI absent | 410 (96%) | 319 (96%) | 91 (96%) | 1.0 |
| PNI present | 18 (4%) | 14 (4%) | 4 (4%) | |
| Estimated 10‐year OS improvement from second‐generation chemotherapy ≥ 2% | 98 (22%) | 55 (16%) | 43 (44%) | <.001 |
Abbreviations: ER, Estrogen receptor; IQ, Interquartile range; LVI, Lymphovascular invasion; OS, Overall‐survival; PNI, Perineural invasion; PR, Progesterone receptor; SD, Standard deviation; T, Tumor size.
Data were not available for: detection mode n = 12, menopausal status n = 19, Ki67 n = 123, LVI n = 17, PNI n = 17.
The improvement from chemotherapy was calculated utilizing the PREDICT UK 2.1 tool.
P value for the difference between low RS to high RS.
Concordance of physician decision based on PREDICT and Oncotype DX RS
| Estimated 10‐year OS improvement by PREDICT | Concordance rate | Kappa Coefficient | |||
|---|---|---|---|---|---|
| <2% | ≥ 2% | ||||
| All (n = 445) | |||||
| Oncotype RS ≤ 25 (n = 347) | 292 (66%) | 55 (12%) | 76% | 0.284 | |
| Oncotype RS > 25 (n = 98) | 55 (12%) | 43 (10%) | |||
| Age ≤ 50 (n = 89) | |||||
| Oncotype RS < 21 (n = 47) | 44 (50%) | 3 (3%) | 67% | 0.303 | |
| Oncotype RS ≥ 21 (n = 42) | 27 (30%) | 15 (17%) | |||
| Age ≤ 50 (n = 89) | |||||
| Oncotype RS < 16 (n = 22) | 22 (25%) | 0 | 45% | 0.158 | |
| Oncotype RS ≥ 16 (n = 67) | 49 (55%) | 18 (20%) | |||
| Age ≤ 50 (n = 89) | |||||
| Oncotype RS ≤ 25 (n = 65) | 58 (65%) | 7 (8%) | 77% | 0.381 | |
| Oncotype RS > 25 (n = 24) | 13 (15%) | 11 (12%) | |||
| Age > 50 (n = 356) | |||||
| Oncotype RS ≤ 25 (n = 282) | 234 (66%) | 48 (13%) | 75% | 0.255 | |
| Oncotype RS > 25 (n = 74) | 42 (12%) | 32 (9%) | |||
Concordance was considered when either RS ≤ 25 and the estimated by PREDICT is < 2% or when RS > 25 and the estimate by PREDICT is ≥ 2%.
FIGURE 2Impact of histo‐pathological variables on concordance
Impact of age and histological characteristics on the concordance between oncotype and predict tool
| Estimated 10‐year OS improvement by PREDICT | Concordance rate | Subgroups difference— | ||
|---|---|---|---|---|
| <2%, n (%) | ≥2%, n (%) | |||
| Age ≤ 50 (n = 89) | ||||
| Oncotype RS ≤ 25 (n = 65) | 58 (65%) | 7 (8%) | 78% | Age ≤50 vs >50 0.584 |
| Oncotype RS > 25 (n = 24) | 13 (15%) | 11 (12%) | ||
| Age > 50 (n = 356) | ||||
| Oncotype RS ≤ 25 (n = 282) | 234 (66%) | 48 (13%) | 75% | |
| Oncotype RS > 25 (n = 74) | 42 (12%) | 32 (9%) | ||
| Age < 65 (n = 304) | ||||
| Oncotype RS ≤ 25 (n = 238) | 202 (66%) | 36 (12%) | 76% | Age < 65 vs ≥65 0.617 |
| Oncotype RS > 25 (n = 66) | 37 (12%) | 29 (10%) | ||
| Age ≥ 65 (n = 141) | ||||
| Oncotype RS ≤ 25 (n = 109) | 90 (64%) | 19 (13%) | 74% | |
| Oncotype RS > 25 (n = 32) | 18 (13%) | 14 (10%) | ||
| Grade 1 (n = 75) | ||||
| Oncotype RS ≤ 25 (n = 70) | 70 (93%) | 0 | 93% | Grade 1 vs grade 2‐3: <0.001 |
| Oncotype RS > 25 (n = 5) | 5 (7%) | 0 | ||
| Grade 2 (n = 291) | ||||
| Oncotype RS ≤ 25 (n = 237) | 219 (76%) | 18 (6%) | 78% | |
| Oncotype RS > 25 (n = 54) | 48 (16%) | 6 (2%) | ||
| Grade 3 (n = 79) | ||||
| Oncotype RS ≤ 25 (n = 40) | 3 (4%) | 37 (47%) | 51% | |
| Oncotype RS > 25 (n = 39) | 2 (3%) | 37 (47%) | ||
| Tumor size ≤ 1 cm (n = 106) | ||||
| Oncotype RS ≤ 25 (n = 91) | 89 (84%) | 2 (2%) | 85% | T ≤ 1 cm vs T > 1 cm 0.009 |
| Oncotype RS > 25 (n = 15) | 14 (13%) | 1 (1%) | ||
| Tumor size > 1 and ≤ 2cm (n = 253) | ||||
| Oncotype RS ≤ 25 (n = 199) | 167 (66%) | 33 (13%) | 74% | |
| Oncotype RS > 25 (n = 54) | 33 (13%) | 21 (8%) | ||
| Tumor size > 2 cm (n = 85) | ||||
| Oncotype RS ≤ 25 (n = 57) | 36 (42%) | 21 (25%) | 67% | |
| Oncotype RS > 25 (n = 28) | 7 (8%) | 21 (25%) | ||
| Strong ER expression (n = 333) | ||||
| Oncotype RS ≤ 25 (n = 273) | 225 (68%) | 48 (14%) | 77% | ER strong‐moderate vs weak: 0.263 |
| Oncotype RS > 25 (n = 60) | 31 (9%) | 29 (9%) | ||
| Moderate ER expression (n = 105) | ||||
| Oncotype RS ≤ 25 (n = 72) | 65 (62%) | 7 (7%) | 73% | |
| Oncotype RS > 25 (n = 33) | 21 (20%) | 12 (11%) | ||
| Weak ER expression (n = 7) | ||||
| Oncotype RS ≤ 25 (n = 2) | 2 (29%) | 0 | 58% | |
| Oncotype RS > 25 (n = 5) | 3 (42%) | 2 (29%) | ||
| PR expression positive (n = 375) | ||||
| Oncotype RS ≤ 25 (n = 313) | 265 (71%) | 48 (13%) | 80% | PR positive vs negative: <0.001 |
| Oncotype RS > 25 (n = 62) | 32 (8%) | 30 (8%) | ||
| PR expression negative (n = 69) | ||||
| Oncotype RS ≤ 25 (n = 34) | 27 (39%) | 7 (10%) | 58% | |
| Oncotype RS > 25 (n = 35) | 22 (32%) | 13 (19%) | ||
| Ki67 < 10% (n = 109) | ||||
| Oncotype RS ≤ 25 (n = 103) | 100 (92%) | 3 (3%) | 92% | Ki67 < 10 vs ≥10% <0.001 |
| Oncotype RS > 25 (n = 6) | 6 (5%) | 0 | ||
| Ki67 ≥ 10% (n = 213) | ||||
| Oncotype RS ≤ 25 (n = 147) | 105 (49%) | 42 (20%) | 63% | |
| Oncotype RS > 25 (n = 66) | 36 (17%) | 30 (14%) | ||
| Ki67 unknown (n = 123) | ||||
| Oncotype RS ≤ 25 (n = 58) | 87 (71%) | 10 (8%) | 82% | |
| Oncotype RS > 25 (n = 47) | 13 (11%) | 13 (11%) | ||
| LVI present (n = 25) | ||||
| Oncotype RS ≤ 25 (n = 17) | 12 (48%) | 5 (20%) | 64% | LVI present vs absent: 0.161 |
| Oncotype RS > 25 (n = 8) | 4 (16%) | 4 (16%) | ||
| LVI absent (n = 403) | ||||
| Oncotype RS ≤ 25 (n = 316) | 271 (67%) | 45 (11%) | 76% | |
| Oncotype RS > 25 (n = 87) | 50 (13%) | 37 (9%) | ||
| LVI unknown (n = 17) | ||||
| Oncotype RS ≤ 25 (n = 14) | 9 (53%) | 5 (29%) | 65% | |
| Oncotype RS > 25 (n = 3) | 1 (6%) | 2 (12%) | ||
| PNI present (n = 18) | ||||
| Oncotype RS ≤ 25 (n = 14) | 11 (61%) | 3 (17%) | 66% | PNI present vs absent: 0.363 |
| Oncotype RS > 25 (n = 4) | 3 (17%) | 1 (5%) | ||
| PNI absent (n = 410) | ||||
| Oncotype RS ≤ 25 (n = 319) | 272 (66%) | 47 (12%) | 76% | |
| Oncotype RS > 25 (n = 91) | 51 (12%) | 40 (10%) | ||
| PNI unknown (n = 17) | ||||
| Oncotype RS ≤ 25 (n = 14) | 9 (53%) | 5 (29%) | 65% | |
| Oncotype RS > 25 (n = 3) | 1 (6%) | 2 (12%) | ||
Abbreviations: ER, Estrogen receptor; LVI, Lymphovascular invasion; PNI, Perineural invasion; PR, Progesterone receptor.
Concordance was considered when either oncotype RS ≤ 25 and the estimated by PREDICT is <2 or when RS > 25 and the estimate by PREDICT is ≥2.