Seźary - MoffittSeźary Syndrome: Clinicopathological and Immunophenotypical Characteristics and...
Transcript of Seźary - MoffittSeźary Syndrome: Clinicopathological and Immunophenotypical Characteristics and...
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Seźary Syndrome: Clinicopathological and Immunophenotypical Characteristics and Outcomes
6th Cutaneous Lymphoma Symposium August 13, 2016
Christa Roe, MA, BS, RN, OCN
Department of Malignant Hematology
H. Lee Moffitt Cancer Center and Research Institute Tampa, Florida
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Disclosure
• Alexion: Speakers Bureau
• Celgene: Speakers Bureau
• Seattle Genetics: Speakers Bureau
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Mycosis fungoides (MF) /Sézary syndrome (SS) are rare malignant
T-cell lymphoproliferative disorders derived from mature CD4+ T-
helper/inducer cells.
SS is distinguished differently from MF by the presence of 1000 or
more abnormal cerebriform lymphocytes in the peripheral blood
Background
Olsen et al 2007
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• Generalized erythroderma covering 80% of the body
• Patches
• Plaques
• Tumors
• Severe pruritus/ Frequent Staph. Aureus infections
• Generalized lymphadenopathy
• Alopecia
• Palmoplantar hyperkeratosis
• Onychodystrophy
• Ectropion
Clinical Manifestations
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• Extracorporeal photopheresis
• Interferon alpha, alemtuzumab,
• Histone deacetylase (HDAC) inhibitors
• Monochemotherapy
Multimodality therapy
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Adopted from NCCN
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• Between 2002 and 2015, 50 Pts with SS were evaluated and treated
at Moffitt Cancer Center (MCC).
•Patient demographics, disease and treatment characteristics,
responses and outcomes were collected from CTCL database.
• We characterized pts based on immunophenotype into 4 groups
based on aberrant loss of CD26 and CD7 or both.
Study Design
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•Response to treatment were assessed using standard criteria:
complete response (CR), partial response (PR), stable disease (SD),
and progressive disease (PD).
•Descriptive statistics were used to report baseline characteristics.
Chi square and t-test were used for comparison of categorical and
continuous variables respectively. Kaplan-Meier estimates of OS.
Study Design
Olsen et al. JCO 2011
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• We identified 50 patients with SS with median follow-up of 52 months.
•Median age was 70 years.
•Male to female ratio was 1.6:1.
•Most Pts were Caucasians (88%)
• A majority of patients (76%) had advanced stage disease (IVA+IVB).
•Measurable adenopathy was identified in 35 patients (70%).
• Median number of Seźary cell count in peripheral blood was 1,747/ul.
Results
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Results
Treatments Results
Extracorporeal Photopheresis ORR 24%, CR 86%
Alemtuzumab ORR 8%, CR 6%
MTX ORR 6%, CR 2%
Bexarotene ORR 10%, CR 2%
Romidepsin ORR 6%, all PR
Vorinostat ORR 4%, CR 2%
Interferon ORR 6%, CR 2%
Alemtuzumab ORR 8%, CR 6%
MTX ORR 6%, CR 2%
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Kaplan Meier Estimate for Overall Survival
Figure 1 KM estimates for OS: median OS was 96 mo (95%CI 52-139)
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Kaplan Meier Estimate based on Immunophenotype
Figure 2 KM estimates for OS based on immunophenotype pattern Pts were categorized as: CD4+CD26- 13 (26%), CD4 + CD 7- in 6 (12%), CD4+CD26-CD7- in 17 (34%), and CD4+CD26+CD7+ in 12 (24%). The median OS for CD26 – CD 7 – was 84 mo compared to other groups. This was significant comparing to CD7 – (p =0.05), and CD 26 + CD 7 + (p 0.02) but only a trend compared to CD26 – (p 0.3).
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Kaplan Meier Estimate based on Sezary Cell Count
Figure 3 KM estimates for OS based on Seźary cell count: The median OS was 86 month if absolute Seźary cell count was > 1700 compared to 96 mo if < 1700 , p=0.4.
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• Patients with SS showed improved survival compared to historical
studies. Advent of ECP, novel targeted molecules such HDAC inhibitors
and alemtuzumab, earlier diagnosis and better supportive care most
probably contributed to this phenomenon.
Conclusions
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•Except ECP, CR are very rare.
•A majority of patients requires multimodality induction
therapy followed by maintenance therapy.
• Pts with Seźary cell population characterized by aberrant loss
of both CD26 and CD7 had worse outcomes.
•There was also a tendency for worse OS with higher
circulating absolute SS count.
Conclusions
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“Sí, se puede.”
“This history of the United States and Cuba encompass revolution and conflict; struggle
and sacrifice; retribution and now, reconciliation.
It is time now, for us to leave the past behind. It is time for us to look forward to
the future together.”
-President Obama