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R ECOGNITION AND T REATMENT OF HCT L ATE E FFECTS Shernan Holtan, MD, Assistant Professor Center for...
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Transcript of R ECOGNITION AND T REATMENT OF HCT L ATE E FFECTS Shernan Holtan, MD, Assistant Professor Center for...
![Page 1: R ECOGNITION AND T REATMENT OF HCT L ATE E FFECTS Shernan Holtan, MD, Assistant Professor Center for Hematologic Malignancies September 13, 2013.](https://reader030.fdocuments.us/reader030/viewer/2022032702/56649cb15503460f94976793/html5/thumbnails/1.jpg)
RECOGNITION AND TREATMENT OF HCT LATE EFFECTS
Shernan Holtan, MD, Assistant Professor
Center for Hematologic Malignancies
September 13, 2013
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NED
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CURRENT HCT PROCEDURES
Expanding in indication and eligible patients ~60,000 HCT procedures worldwide per year
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HCT TRENDS AND SURVIVAL DATA
http://www.cibmtr.org/ReferenceCenter/SlidesReports/SummarySlides/Pages/index.aspx
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OUTCOMES ARE IMPROVING…
Wingard et al, J Clin Oncol, (16): 2230-9 (2011)
Among >10,000 allogeneic HCT survivors,
85%
were alive at 10 years post-transplant!
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IMPROVEMENTS ARE DESPITE INCREASING AGE AND UNRELATED DONORS
Hahn al, J Clin Oncol, (31): 2437-2449 (2013)
38,060 HCT procedures in US/Canada, 1994-2005 Transplants increased by ~45%, with 165%
increase in unrelated donors (URD) PBSC 6 63% UCB 2 10% Median age 33 40 yo Day +100 survival >85% 1 year survival improved in URD allo (63%)
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…BUT WE STILL HAVE WORK TO DO
Mortality rates in long-term HCT survivors is 4-9 times that of general population
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NON-MALIGNANT LATE EFFECTS
Khera et al, Journal of Clinical Oncology 30: 71-77(2012)
Incidence of 14 non-malignant late effects in 1,087 survivors, 1/04 – 6/09
Self-reported outcomes from patient questionnaires MSK, endocrine, CV, organ-specific, psychiatric domains cGVHD excluded in this report
CI of any late effect at 5 years: Autologous 44.8% (2.5% with 3+ late effects) Allogeneic 79% (25.5% with 3+ late effects)
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INCIDENCE OF POST-HCT LATE EFFECTS
LE Auto Allo P
Osteoporosis 9.7% 23.0%<0.001
DM 3.0% 22.9%<0.001
Adrenal Insuff 1.3% 13.4%<0.001
Iron overload 0.7% 25.4%<0.001
Lung disease 8.2% 36.9%<0.001
DVT (non-catheter) 5.6% 10.9% 0.01
No significance difference in incidence of AVN, joint replacement, thyroid disease, stroke, CAD, suicide/suicide attempt, dialysis in auto vs. allo HCT.
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QOL BURDEN OF LATE EFFECTS
No strong association between age and QOL Those with 3+ late effects reported:
Worse physical functioning Higher likelihood of mod/severe limitation of
usual activities Lower likelihood of full-time work or study
Mental functioning not associated with number of late effects
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GUIDELINES FOR LATE EFFECTS MONITORING
Recommended screening and preventive practices: 2012 update
Majhail et al, Biol Blood Marrow Transplant 18: 348-371 (2012)
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NMDP SMART PHONE APP:
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RECOMMENDED SCREENING AND PREVENTIVE PRACTICES, 2012 Immunity and infections Ocular complications Oral complications Respiratory complications Cardiac/vascular complications Liver complications Renal and genitourinary complications Complications of muscle and connective tissue Skeletal complications CNS and peripheral nervous complications Endocrine complications Mucocutaneous complications Secondary cancers Psychosocial adjustment and sexual complications Fertility General screening and preventive health
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IMMUNITY AND INFECTIONS
Immunizations and antimicrobial prophylaxis Postponing immunizations in patients with
cGVHD not recommended, except for live vaccines
HSV/VZV, encapsulated bacteria, fungi/mold, PcP CD4 counts and IgG levels are decent
surrogate
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OCULAR COMPLICATIONS
Keratoconjunctivitis sicca in 40-60% cGVHD; infectious keratitis must be ruled out
Cataracts in 40-70% of TBI recipients at 10 years
Expert evaluation recommended for those experiencing eye symptoms
Autologous serum drops can reduce inflammation
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ORAL COMPLICATIONS Decreased saliva production
common in TBI recipients, cGVHD
Artificial saliva, sugar-free candies, sialogogues (pilocarpine, cevimeline), frequent water sipping
Squamous cell CA risk heightened in tobacco users, Fanconi anemia, cGVHD
At least annual oral/dental evaluations recommended
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RESPIRATORY COMPLICATIONS
Treatment-related lung toxicity (TBI, BCNU, bleomycin, busulfan, methotrexate)
Bronchiolotis Obliterans Syndrome (BOS) 2-14% allogeneic HCT recipients (“pulmonary
GVHD”) New-onset airflow obstruction <20% 5 year survival if poor response to
immunosuppression Cryptogenic Organizing Pneumonia (COP)
Previously “BOOP,” less common than BOS Typically restrictive pattern, presenting with
cough, low-grade fevers, shortness of breath 80% of patients expected to improve with steroids
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CARDIAC/VASCULAR COMPLICATIONS
CV risk ~3-5 x increased over general population
Anthracyclines and cardiomyopathy <400 mg/m2: negligible incidence of CHF 550 mg/m2: 7% 700 mg/m2: 18%
Mediastinal radiation = risk of restrictive cardiomyopathy, conduction defects, CAD, valvular abnormalities
Appropriate management of risk factors (DM, HTN, dyslipidemia) important to mitigate against CAD risk
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LIVER COMPLICATIONS
Viral hepatitis Cirrhosis in HCV infection is accelerated in
transplant recipients (18 vs 40 years) Iron overload
Serum ferritin monitoring in those with elevated levels, LFT abnormalities, or ongoing RBC transfusions
Hepatic iron content estimation Biopsy vs non-invasive imaging Chelation vs. phlebotomy Associated with infection risk (impaired neutrophil,
monocyte function)
cGVHD
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RENAL AND GENITOURINARY COMPLICATIONS
Incidence of chronic kidney disease 5-65% Transplant-associated thrombotic
microangiopathy, glomerulonephritis, nephrotic syndrome, radiation nephritis
Risks: age, myeloma, medications (cyclosporine, tacrolimus, sirolimus, acyclovir, amphotericin B)
Hemorrhagic cystitis Viral (BK and adenovirus) Cyclophosphamide
Management of HTN and DM critical
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MUSCLE AND CONNECTIVE TISSUE
Steroid myopathy Myositis (rare but
distinctive cGVHD manifestation)
Sclerosis of skin and subcutanous tissue diagnostic of cGVHD
Early intervention important to prevent contractures
Physical therapy and massage can help
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HOW CAN WE BETTER EDUCATE/SCREEN OUR PATIENTS FOR GVHD?
GVHD assessment videohttp://www.fhcrc.org/content/public/en/labs/clinical/projects/gvhd.html
NMDP App
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SKELETAL COMPLICATIONS
High incidence of bone density loss 25% osteoporosis 50% osteopenia
Physical inactivity, hypogonadism, steroid exposure, calcium/vitamin D deficiency contribute
Screening DEXA should be performed at 1 year post-HCT in women, allo recipients, prolonged steroid exposure
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NERVOUS SYSTEM COMPLICATIONS
Peripheral neuropathy from chemotherapy Calcineurin inhibitor-associated neurotoxicity TBI and intrathecal chemotherapy-associated
leukoencephalopathy Infections Cognitive deficits – 10% incidence Neuropsychologic deficits – 20% incidence
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ENDOCRINE COMPLICATIONS
10-50% hypothyroidism after myeloablative conditioning Annual thyroid function tests recommended
Hypogonadism is common, and supplementation can be considered
Adrenal failure risk after prolonged corticosteroid exposure
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MUCOCUTANEOUS COMPLICATIONS
70% of cGVHD will have skin involvement
Risk of skin cancer increased in HCT recipients Skin protection from
excessive sun exposure is important
Annual dermatology evaluation
Vaginal cGVHD can lead to strictures, and early intervention recommended
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SECONDARY CANCERS
Treatment-related MDS/AML post-autologous HCT = ~4%. Associated with age, alkylating agents, topo II
inhibitors, radiation, difficult stem cell harvests Post-transplant lymphoproliferative disorder
Related to severe immune compromise (esp. T-cell depleted grafts) and EBV, early treatment with rituximab in patients without mass lesions
Solid tumors account for 5-10% of late deaths and are strongly associated with radiation. ~10% with skin cancer 20 years post-HCT 17% females with breast cancer after TBI
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PSYCHOSOCIAL AND SEXUAL COMPLICATIONS
Psychological distress is a significant number of survivors Self-regulatory capacity can be “fatigued”
Emotional and physical side effects can impact sexual function
Infertility is common but not universal Spontaneous or assisted pregnancies should be
delayed for at least 2 years after HCT Women exposed to TBI have higher rate of
preterm delivery and low birth weight infants
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GENERAL SCREENING
http://www.uspreventiveservicestaskforce.org/
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SUPPORTIVE CARE
Jim et al, Biol Blood Marrow Transplant 18: S12 – S16 (2012)
Energy and stamina Chemo-brain and emotional distress Screening and preventive practices
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ENERGY AND STAMINA
Inflammation and HPA-axis changes Aerobic exercise and strength training
encouraged Can be home-based exercise
No well-controlled studies of pharmacologic agents in HCT pts Agents used off-label in cancer fatigue
Modafinil (Provigil): FDA-approved for narcolepsy, showed benefit in 2 uncontrolled studies of cancer fatigue, possibly fewer side effects than other stimulants
Methylphenidate (Ritalin): Most commonly prescribed psychostimulant, FDA-approved for ADHD, possible higher potential for abuse
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CHEMO-BRAIN AND EMOTIONAL DISTRESS
HCT recipients are highly resiliant, but majority experience at least transient changes in emotional stability and cognitive function
Cognitive rehabilitation studies are ongoing, compensatory mechanisms can be helpful
Depression, anxiety, and post-traumatic stress are reported in nearly half of HCT-recipients May actually be more profound in caregivers
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COMPLIANCE
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WHO IS AT RISK FOR NON-ADHERENCE TO GUIDELINES?
Khera et al, Biol Blood Marrow Transplant 17: 995-1003 (2011)
Questionnaire mailed to 3,066 adult survivors > 2 years post-HCT Survivor health Adherence to guidelines Financial concerns
51% response rate Respondents tended to be:
Older at present (54 .5 vs 47.4 yrs), p<0.001 Older at HCT (42.2 vs. 32.6 yrs), p<0.001
More men, Hispanic/Latino subjects, marrow recipients of MA conditioning in non-respondent group
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PREVENTIVE CARE PRACTICES, CON’T
85% said health was good to excellent 44% worked or went to school full-time 56% could do usual activities without limitation 76% saw their doctor in past 3 months Median adherence to guidelines = 75%
Skin examination = 61% Mammography = 90% Thyroid screening = 50% Cholesterol testing = 91%
87% interested in assistance with health maintenance from transplant center
27% felt knowledgeable about recommended tests for transplant survivors
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PREVENTIVE CARE PRACTICES, CON’T
98% of respondents had medical insurance 3% of respondents filed for bankruptcy Lower guideline adherence rates associated
with: Autologous HCT, concerns about medical costs,
>15 years post-HCT, non-white race, male sex, lower physical functioning, absence of cGVHD, <40 y.o., self-reported lack of knowledge about tests
Lower self-reported lack of knowledge about recommended survivor tests was associated with: Autologous HCT, males, absent cGVHD, non-
whites, >65 y.o., and >15 years post-HCT