CALGB 40903: Phase II Single-Arm Study of Neoadjuvant ......Clinical Research Professionals...
Transcript of CALGB 40903: Phase II Single-Arm Study of Neoadjuvant ......Clinical Research Professionals...
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Clinical Research Professionals Education Meeting Friday May 9, 2014
CALGB 40903: Phase II Single-Arm Study of Neoadjuvant letrozole for ER(+)
Postmenopausal DCIS
Alliance for Clinical Trials in Oncology 2014 Group Meeting
E. Shelley Hwang MD MPH
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Disclosures
GHI: Advisory Board Merck: Research Funding I hate overtrea*ng DCIS!
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Objec?ves • Describe the role of breast cancer screening in the detec?on of
DCIS
• Understand what is currently known about the biology of DCIS
• Explain the current treatment recommenda?ons for DCIS, including indica?ons for adjuvant radia?on
• Iden?fy how CALGB 40903 addresses some of the unknown ques?ons in DCIS
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In 2007, Monica Long 49 year old divorced mother of three girls went for her annual mammogram A biopsy was performed at Cheboygan Memorial Hospital, and a diagnosis of DCIS was made. Underwent lumpectomy and radia?on Changed care providers—new pathologists disputed the original diagnosis, claiming that the pa?ent had never had DCIS
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Epidemiology of DCIS • Ductal carcinoma in situ, precancer, preinvasive cancer • Es?mated incidence of DCIS: almost 50,000 new cases
annually • Usually diagnosed by calcifica?ons on mammography in
asymptoma?c pa?ent • DCIS now comprises over 20% of all mammographically
detected breast cancers
• Nonobligate precursor of invasive cancer; rate and likelihood of progression are unknown
American Cancer Society. Cancer Facts and Figures 2011. Ernster VL, et al. J Natl Cancer Inst. 2002.
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Conclusions: The diagnosis and management of DCIS is highly complex with many unanswered ques7ons, including the fundamental natural history of untreated disease. Because of the noninvasive nature of DCIS, coupled with its favorable prognosis, strong considera7on should be given to remove the anxiety-‐producing term "carcinoma" from the descrip7on of DCIS. The outcomes in women treated with available therapies are excellent. Thus, the primary ques?on for future research must focus on the accurate iden?fica?on of pa?ent subsets diagnosed with DCIS...
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DCIS is Part of a Pathologic Con?nuum
Burstein HJ, et al. N Engl J Med. 2004.
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DCIS is Part of a Pathologic Con?nuum
Rate? Fate?
Burstein HJ, et al. N Engl J Med. 2004.
Rate? Fate?
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ERBB2 Basal
Mixed Luminal
DCIS
Clin Cancer Res 14:339, 2008
Molecular “Intrinsic” Subtypes
Luminal ER/PR+ GATA3+ ERBB2- CK18+ Other...
Basal ERBB2- ER/PR- CK5+ Other!
Mixed
ERBB2 ERBB2+ ER/PR- GRB7+ Other...
IBC
Sorlie et al. PNAS 98:10869, 2001
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DCIS is an unintended consequence of increased screening
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Cumula?ve incidence of breast cancers in study and control groups of the Swedish Two-‐county Trial. (a) Invasive cancers. (b) In situ cancers.
Duffy S et al, Breast Cancer Research 2005
Screening increases the detec?on of DCIS: Swedish Two-‐County Trial
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Welch G et al, JAMA Internal Medicine, 2014
“Mammography has both benefits and harms — that’s why it’s a personal decision”
versus “Mammograms save lives.”
Weighing the benefits and harms of mammographic screening
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Welch G et al, JAMA Internal Medicine, 2014
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The diagnosis of "disease" that will never cause symptoms or death during a pa?ent's life?me. Overdiagnosis is a side effect of tes?ng for
early forms of disease which may turn people into pa?ents unnecessarily and may lead to treatments that do no good and
perhaps do harm.
Overdiagnosis occurs when a disease is diagnosed correctly, but the diagnosis is irrelevant. A correct diagnosis may be irrelevant because
treatment for the disease is not available, not needed, or not wanted, “or does not add benefit.”
“Overdiagnosis” according to Wikipedia:
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Figure 2. SEER9 Age-adjusted incidence rate of breast cancer by stage (1973-2005)
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SEER 9 age-adjusted incidence rate of ductal carcinoma in situ and invasive breast cancer for all females, 1973-2005. Mammography screening was introduced in the early 1980s
Ozanne E et al, BCRT 2011
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Some pa?ents are diagnosed with “cancer” that does not progress
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DCIS and compe?ng causes of mortality
Breast cancer specific survival
Overall survival
SEER 1991-2010; unpublished data
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DCIS is Part of a Con?nuum of Pathologic Change
Burstein HJ, et al. N Engl J Med. 2004.
Rate? Fate?
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Pathologists don’t always agree who has DCIS
6 Pathologists
24 biopsies of prolifera?ve breast lesions 8 cases were discordant
A B C D E F
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24
Schnik SJ, Am J Surg Pathol 1992;16:1133-‐1143
UDH/ADH DCIS
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DCIS Stage 0 Tis, N0, M0
!! History and physical exam !! Diagnostic bilateral MMG !! Pathology review !! Determination of tumor ER
status !! Genetic counseling if patient is
high risk for hereditary breast cancer
!! Total mastectomy
!! Lumpectomy + whole breast radiation therapy
!! Lumpectomy only
!! with or without sentinel node biopsy +/- reconstruction
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DCIS Stage 0 Tis, N0, M0
!! History and physical exam !! Diagnostic bilateral MMG !! Pathology review !! Determination of tumor ER
status !! Genetic counseling if patient is
high risk for hereditary breast cancer
!! Total mastectomy
!! Lumpectomy + whole breast radiation therapy
!! Lumpectomy only
!! with or without sentinel node biopsy +/- reconstruction
ADH/ALH
!! History and physical exam !! Diagnostic bilateral MMG !! Pathology review !! Determination of tumor ER
status !! Genetic counseling if patient is
high risk for hereditary breast cancer
!! Consider chemoprevention
!! Active surveillance
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Mastectomy: Contralateral Mastectomy for DCIS
• SEER database of 51,030 women diagnosed with unilateral DCIS between 1998 and 2005
• 2,072 women chose contralateral prophylac?c mastectomy (4.1% of all pa?ents, 13.5% of pa?ents undergoing mastectomy)
• Between 1998 and 2005, the contralateral prophylac?c mastectomy rate in women undergoing ipsilateral mastectomy for DCIS increased from 6.4% to 18.4%
Tuttle JM; JCO 2009
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Lumpectomy only: To radiate or not to radiate? Defining a low risk DCIS subset
• Clinical data – Grade, size, ER, PR, Her2.pa?ent characteris?cs – Van Nuys Prognos?c Index – clinical nomogram
• Molecular tools – DCIS Score – Other emerging markers
• Decision aids
1. Macdonald HR, et al. Am J Surg. 2006;192:420-‐2. 2. Silverstein MJ,Lagios MD. J Natl Cancer Inst. 2010;41:193-‐6. 3. Rudloff U, et al. J Clin Oncol. 2010;28:3762-‐69. 4. Ringberg A, et al. Eur J Cancer. 2001;37:1514-‐22. 5. Kerlikowske K, et al. J Natl Cancer Inst. 2010;102:627-‐37.
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Van Nuys Prognos?c Index (VNPI)
Factor 1 2 3
Size ≤15 mm 16-‐40 mm >40 mm
Margin ≥ 10 mm 1-‐9 mm <1 mm
Pathology grade 1/2 no necrosis
grade 2 necrosis
grade 3
Age >60 years 40-‐60 years <40 years
Silverstein MJ, Lagios MD, J Natl Cancer Inst Monogr. 2010;41:193-‐6.
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ECOG E5194 – Ipsilateral and Contralateral Breast Events at 7 years
Low-‐Intermediate Grade High Grade
10.5% at 7 years
18% at 7 years
Hughes LL, et al. J Clin Oncol. 2009.
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CANCER RELATED GENES
ER PR
Bcl2 SCUBE2
GRB7 HER2
Ki-67 STK15
Survivin Cyclin B1
MYBL2
Stromelysin 3 Cathepsin L2
GSTM1
CD68
BAG1
Beta-actin GAPDH RPLPO GUS TFRC
REFERENCE GENES
Hormone Proliferation HER2 Invasion Others
Paik et al. N Engl J Med. 2004;351:2817-2826.
ER PR
Bcl2
Ki-67 STK15
Survivin Cyclin B1
MYBL2
Beta-actin GAPDH RPLPO GUS TFRC
REFERENCE GENES
GSTM1
REFERENCE GENES
2004;351:2817-2826.
TFRC
REFERENCE GENES S-4('b-+4"&/')-
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DCIS Score™: 10-‐Year Ipsilateral Breast Events (IBE) by Risk Group
ANY IBE INVASIVE IBE
Solin L, et al. SABCS 2011(abstr S4-6), JNCI 2013
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A`@g[Q@-DCIS Score™ = 12 CLINICAL EXPERIENCE: PROGNOSIS FOR DCIS PATIENTS The Clinical Validation study included female patients with DCIS treated with local excision without irradiation, and required clear surgical margins ! 3 mm and a lesion size of " 2.5 cm. Approximately a third of patients were treated with tamoxifen. The average 10 year rate for ipsilateral breast events for patients who had a DCIS Score of 12 was: The average 10 year rate for The average 10 year rate for ipsilateral breast events for patients who had a DCIS Score of 12 was:
11% (95% CI: 8%-17%) 4% (95% CI: 2%-8%)
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Are there sufficient data on which to base treatment decisions?
• Small dataset with total of 46 recurrences; very few with high DCIS Score
• Analysis based on 10-‐year follow up recurrence data • Individualized recurrence es?mates could serve as a star?ng point
for discussions regarding adjuvant RT
• Addi?onal valida?on studies are needed to determine more generalized u?lity
38
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Adjuvant Tamoxifen for DCIS • 2 prospec?ve randomized studies
– NSABP B-‐24 (n=1798, 7 years f/u) – UKCCCR Trial (2x2 design n=2606, 4 years f/u)
n
f/u
margins
pts<50 yo
Ipsilateral recurrence (T/
P) NSABP 1804 83 months any 33% 7.7%/11.1%
(p<0.05) UKCCCR 1701 53 months negative 10% 13%/15%
(p=0.42)
DVT PE stroke
tamoxifen 9 2 5
placebo 2 1 1
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Studies in Progress and Future Direc?ons in DCIS Treatment
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Ongoing Clinical Trials of AI for DCIS
• NSABP B-‐35 – Opened Jan 2003 – Target accrual: 3000
postmenopausal DCIS with lumpectomy+RT
– Randomized to adjuvant anastrazole or tamoxifen
– Primary endpoint: ?me to any breast cancer event
• IBIS II for DCIS – Opened Sept 2003 – Cancer Research UK – Target Accrual: 4000
postmenopausal DCIS with lumpectomy+/-‐ RT
– Randomized to adjuvant anastrozole or tamoxifen
– Primary endpoints: any new or recurrent brCA
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Schema: NSABP B43 Phase III Randomized Study of Radiotherapy With Versus Without Trastuzumab (Hercep?n®) in Women With HER2-‐Posi?ve Ductal Carcinoma In Situ Undergoing Lumpectomy (enrollment
target: 2000; ac?vated 11/2008)
HER2+ DCIS BCT
Radia7on Therapy
Radia7on Therapy + Trastuzumab
q3-‐week Trastuzumab cycles x 2
Trastuzumab 8 mg/kg loading dose Trastuzumab 6 mg/kg final dose
Hormonal Rx PRN Follow up 5 years
R
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,)(Q*@4(;)@)0*!):0("?$*B)%%*Y4$$":).*[(&@&$&%*A&(*!BX*[()H4(4?&:*hD*[)::j*
FKDZ7-/Z-<]*
Outflow
Elutriation Fractions
Input
Mononuclear Cells
KFDp/[,F7FC-C*
>!R-X$7:2805-3(8*-\H;!@CN-?[;TN-?CP;$N-[h@N-/&%'05-3(8*-Ha!-$%2''-??-2#5-Ha!-$%2''-?-a`A;Zk#0&-/0/750'N-T]-*"&4'-8"82%-$&%8&40-
Y/BB-]/Z-<]*Y/BB-]/Z-<]* C95*
Monocytes DC1
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Response to Her-‐2 targeted dendri?c cell vaccine
ERpos HER-2/neupos
% Pre-vaccine
% Post-vaccine
PercentChange
% Pre-vaccine
% Post-vaccine
PercentChange
10 0 -100%* 65 0 -100%*20 0 -100%* 80 0 -100%*20 0 -100%* 80 80 0%25 0 -100%* 90 90 0%30 0 -100%* 100 90 -10%50 2 -96%* 100 >90 0%50 95 +90% 100 100 0%60 70 +17% 100 100 0%
ERneg HER-2/neupos
% Pre-vaccine
% Post-vaccine
PercentChange
10 0 -100%*10 80 +700%30 0 -100%*60 0 -100%*100 20 -80%100 60 -40%
Percent of cells staining HER-2/neu 2+ to 3+ Pre- and Post-vaccinationPatients sorted by Phenotype and Pre-vaccination HER-2/neu expression
*patient scored as HER-2/neuneg
Vaccinated N=22
Pre-Vaccine Post-Vaccine
% ce
lls st
aining
HER2
/neu 2
+ to 3
+
0
20
40
60
80
100Pre Vaccine HER-2/neu Post Vaccine HER-2/neu
Pre Vaccine ER Post Vaccine ER
A B
C
Sharma A, Czerniecki B, Cancer 2012
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But what about the pa*ent?
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The Worried Well… Fear of cancer recurrence in 506 women with DCIS Stage I-‐II
breast cancer
Liu Y et. al. BCRT 2011
• Prospec?vely enrolled in a quality-‐of-‐life study
• Completed interviews at 4-‐6 weeks, 6 months, and 2 years post surgery.
• Mean fear of cancer recurrence (FCR scores) determined, using four items from the Concern About Recurrence Scale (CARS)
FCR scores 2 years post surgery in women who were free of recurrence
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Words Maker: pa?ent treatment choice based on terminology used to describe clinical scenario
Omer Z et al, JAMA Internal Med 2013
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40 year old with DCIS
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55 year old with DCIS
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70 year old with DCIS
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Last but not least…
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USPSTF, 2008
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Histologic Model of Cancer Progression: Can progression be reversed?
Invasive!Cancer!
Normal!Duct! ADH! DCIS!
tamoxifen/raloxifene/AI??
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Challenges to implementation of active surveillance for DCIS
• Limited validation of biomarkers to predict magnitude and timeline of risk for invasive cancer
• Need to educate providers and patients regarding impact of DCIS on breast cancer specific survival
• Mandatory requirement for accurate imaging studies – MMG not effective – Expense of MRI may be prohibitive – Breast MRI as a research tool
• Pilot study of MRI imaging in patients with DCIS undergoing neoadjuvant
hormonal therapy – No change on MMG at 3 months – Premenopausal patients excluded
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Alteration of biomarker expression is associated with endocrine treatment for DCIS
Ki67
CD68 Pre Treatment Post Treatment
% P
ositi
ve
KI67
!"#
!"$!%
!&
!'&
!"&
!'"()(!'%!''()(!"*
!'()(!"%!'+()(!',()(!'#0
20
40
60
100
80
0
20
40
60
80
100
120
140
160
180
Pre Treatment Post Treatment
Num
ber c
ells
pos
itive
/hig
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wer f
ield
!"#CD68
!"$%$!#&!"'$%$!"(
!")$%$!#*
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Pre Treatment Post Treatment
MRI assessment of letrozole response
Responder: ER-positive, postmenopausal
baseline treated
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• Endpoints: – Primary: radiographic response on MRI
• Change in MRI maximum tumor volume
– Secondary: • Mammographic extent of disease • Candidacy for breast conservation • Frequency of reexcisions • Frequency of complete pathologic response • Frequency of invasive cancer at final pathology • Treatment-related adverse events
CALGB 40903: Phase II Single-Arm Study of Neoadjuvant letrozole for
ER(+) postmenopausal DCIS
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• Study Design: – Phase II single arm study of 6 months preoperative letrozole
• Inclusion Criteria: – DCIS without invasion on core biopsy – Postmenopausal – ER and/or PR (+) – Radiographically measureable disease (1-5 cm extent of
calcifications – Visible on MRI (will likely need 120 screened to accrue 96
women)
CALGB 40903: Phase II Single-Arm Study of Neoadjuvant letrozole for
ER(+) postmenopausal DCIS
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CALGB 40903: Phase II Single-Arm Study of Neoadjuvant letrozole for
ER(+) postmenopausal DCIS
3 months Letrozole
MMG MRI
core bx
MMG MRI
Surgery MRI Clinical exam
stable or responding
progression
3 months Letrozole
REGISTRATION
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CALGB 40903: Phase II Single-Arm Study of Neoadjuvant letrozole for
ER(+) postmenopausal DCIS
3 months Letrozole
MMG MRI
core bx MMG MRI
Surgery
MRI Clinical exam
stable or responding
progression 3 months Letrozole
REGISTRATION
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• Accrual Goal:
• 96 patients over 3 years
• Site Qualifications:
• ACRIN certified site (all sites with previous MRI studies through ACRIN will qualify)
• CCOPs encouraged to participate
CALGB 40903: Phase II Single-Arm Study of Neoadjuvant letrozole for
ER(+) postmenopausal DCIS
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• Correlative Endpoints: – Primary:
• Predic?ve and prognos?c ?ssue biomarkers associated with letrozole response (good vs. poor responders)
• Prolifera?ve genes • Cell cycle genes • Macrophage ac?va?on assays (CSF1, CD68) • DCIS Score • PAM50
– Secondary: • Pharmacogenomic predictors of AI-‐induced arthralgias
CALGB 40903: Phase II Single-Arm Study of Neoadjuvant letrozole for
ER(+) postmenopausal DCIS
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Companion Study to CALGB 40903—PI: Kimmick
QOL and musculoskeletal symptoms
associated with taking letrozole before surgery for ER+ DCIS
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↓ Contralateral BC ↓ Deep vein thrombosis ↓ Endometrial cancer ↓ Hot flashes
↑ Arthralgia/myalgia ↑ Osteoporosis risk
AI
↓ Contralateral BC ↓ Osteoporosis risk ↓ Myalgia ↓ Hyperlipidemia ↑ Hot flashes ↑ Thromboemboli ↑ Endometrial cancer ↑ Genitourinary adverse effects
Neurocognition? Sexual function?
Cardiovascular disease?
AIs and Tamoxifen: Potential Risks and Benefits
Tamoxifen
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Arthralgia in Adjuvant AI Trials
P < .0001
P < .001 P < .0001
P < .001
P < .001
0
5
10
15
20
25
30
35
40
ATAC Trialists’ Group. Lancet. 2005;365:360. Coates AS, et al. J Clin Oncol. 2007;25:486-492. Coombes RC, et al. Lancet. 2007;369:559-570. Goss PE, et al. J Natl Cancer Inst. 2005;97:1262-1271.
Letrozole
Anastrozole Tamoxifen
Placebo Exemestane
Inci
denc
e (%
)
*51-mo analysis restricted to monotherapy arms. 68 mos 51 mos* 56 mos 30 mos 26 mos
ATAC BIG 1-98 BIG 1-98 IES MA.17
Arimidex
Letrozole
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CALGB 40903: Phase II Single-Arm Study of Neoadjuvant letrozole for
ER(+) postmenopausal DCIS QOL companion: Primary Aims:
• Assess side effects associated with letrozole therapy.
• Examine the association between letrozole therapy associated side effects and quality of life.
• Examine the relationship between letrozole therapy side effects and medication taking behavior.
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QOL Measures
Measures to Assess Side Effects: Menopause Specific Quality of Life Questionnaire (MENQOL), Brief Pain Inventory (BPI), Pain and Stiffness (WOMAC)
Measures to Assess QOL and psychosocial functioning: Functional Assessment of Cancer Therapy – General (FACT-G), Self-Efficacy for Coping with Side Effects (modified version of a standard self-efficacy scale)
Measures to assess medication-taking behavior: Morisky
Medication Adherence Scale (MMAS), Beliefs about Medicines Questionnaire (BMQ), Self-Efficacy for Taking Medications (Self-Efficacy for Appropriate Medication Use Scale - SEAMS)
�
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• Important to keep in mind: – Surgery up to patient and surgeon – Adjuvant treatment not predetermined – No follow up required – Patients who refuse surgery will be excluded from analysis of
some, but not all endpoints
CALGB 40903: Phase II Single-Arm Study of Neoadjuvant letrozole for
ER(+) postmenopausal DCIS
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Update CALGB 40903: 4/14 • 52 sites submitted to IRB • 20 sites open (Duke, MD Anderson, UCSF, Christiana Care,
Bay Area Tumor Institute, Cedars Sinai, DFCI, Mayo, Missouri Baptist, OSU, St. Elizabeth, Pardee, Bethesda, Columbus Regional)
• 49 patients accrued (of 96)
• First modification submitted to DCP – Up to 7 cm of disease – Includes microinvasion – Fewer blood draws – More accommodating windows for trial requirements
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Baseline MRI
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3-month MRI
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6-month MRI
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DCIS following 6 months AI
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Active surveillance with MRI monitoring
58 year old woman with high grade DCIS. (a) Baseline MRI shows extensive abnormal clumped ductal enhancement in the upper breast. (b) Breast MRI at 19.3 months since diagnosis demonstrates improved appearance of abnormal enhancement in the right breast. (c) Breast MRI at 25.5 months since diagnosis demonstrated continual improvement in clumped ductal enhancement with a new 6 mm mass enhancement (white arrow) representing 8 mm of Grade 3 ER-/PR-/Her2neu+ IDC at surgery.
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Conclusion:
• DCIS is a precursor lesion to invasive cancer • Excellent outcome with current treatments • Not all DCIS will become invasive cancer but invasive recurrence impacts breast cancer specific mortality
• We currently lack reliable tools to predict invasive progression
• Pa?ent anxiety precludes limited treatment or ac?ve surveillance
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DetectableMetastases!
Normal !Cell!
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Carcinoma!In Situ!
Stage 1 !Cancer !
Stage 2-3!Cancer!
MetastasesMetastasesCancer"death!
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DetectableDetectableMetastasesMetastases
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Stage 2-3Stage 2-3CancerCancer
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Detectable Metastasis!
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]BB]*+'"0)%":)#*A&(*Z()4@I):@**&A*!B-C*
DCIS Stage 0 Tis, N0, M0
!! History and physical exam !! Diagnostic bilateral MMG !! Pathology review !! Determination of tumor ER
status !! Genetic counseling if patient is
high risk for hereditary breast cancer
!! Total mastectomy
!! Lumpectomy + whole breast radiation therapy
!! Lumpectomy only
!! with or without sentinel node biopsy +/- reconstruction
ADH/ALH
!! History and physical exam !! Diagnostic bilateral MMG !! Pathology review !! Determination of tumor ER
status !! Genetic counseling if patient is
high risk for hereditary breast cancer
!! Consider chemoprevention, hormonal therapy, targeted biologics, vaccines
!! Active surveillance
status ! Genetic counseling if patient is
high risk for hereditary breast cancer
! Lumpectomy only
! with or without sentinel node biopsy +/- reconstruction
ADH/ALH
! History and physical exam ! Diagnostic bilateral MMG ! Pathology review ! Determination of tumor ER ! Consider chemoprevention,
hormonal therapy, targeted
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Thank you!
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Lumpectomy and radia7on: EBCTCG Overview: RT reduces recurrence in DCIS