Graft Versus Host Disease and How to Report It
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Graft versus Host Disease and how to report it Daniel Weisdorf MD University of Minnesota Transplant Events Day-8 0 1mo 3mo 6mo Conditioning HSCT Engraftment Mucositis Organ toxicity (VOD) Acute GVHD Chronic GVHD Infections Bacterial ----CMV---- Varicella----- --Fungus--------- Transplant Events Day-8 0 1mo 3mo 6mo Conditioning HSCT Engraftment Mucositis Organ toxicity (VOD) Acute GVHD Chronic GVHD Infections Bacterial ----CMV---- Varicella----- --Fungus--------- 1 Acute GVHD Chronic GVHD Skin: Lichen planus, Hyper/ hypo pigmentation, Dermatitis ichthyosis, onychodystrophy, morphea, + scleroderma, hair changes. Hepatitis Oral: sicca, atrophy, lichenoid, + Hyperkeratosis GI: wasting, dysphagia, Enteritis odynophagia, strictures Eye: keratoconjunctivitis sicca Lungs: Bronchiolitis obliterans Others: myofascial, genital Acute GVHD Chronic GVHD Dermatitis Rash + Hepatitis High bilirubin + Enteritis Nausea/vomiting/ diarrhea Acute GVHD Chronic GVHD Skin: Lichen planus, Scaly abnormal pigmentation, Dry skin, onychodystrophy, abnormal nails scleroderma, thick skin hair changes. Oral: sicca, atrophy, lichenoid, Dry mouth GI: wasting, dysphagia, Weight loss odynophagia, trouble swallowing Eye: keratoconjunctivitis sicca Dry eyes Lungs: Bronchiolitis obliterans Obstruction Others: myofascial, muscle stiffness Genital vaginal narrowing 2 Graft vs. Leukemia Effect • Less leukemia relapse follows more GVHD • Acute and particularly Chronic GVHD limit relapse Risk Factors for GVHD Acute GVHD Chronic GVHD Increased risk Increased risk HLA mismatch Older age Older recipients Prior acute GVHD Older donors HLA mismatch High dose TBI alloimmune female donor: male recipient Reduced risk Reduced risk T cell depletion Cord blood Non-myeloablative conditioning? Pathogenesis of GVHD Host tissue injury: Activates or damages host APC; Augments class I & adhesion expression Inflammatory milieu Donor T cells recognize host polypeptides as foreign. major & minor HLA plus tissue antigens T cell recognition, activation, and host tissue injury Direct cell mediated attack, Production of inflammatory mediators (TNF IFN) Recruitment of secondary effectors Induces cell injury and inflammation----Acute GVHD 3 Pathophysiology of chronic GVHD • Alloreactive T cells • Donor T cells recognize foreign tissues • T cells grow in response to alloantigens or autoantigens • Attack target tissues directly, secretion of cytokines, promote B cell activation and autoantibody production Tissue injury; Fibrosis------Chronic GVHD Can we recognize GVHD? GVHD grading schema Glucksberg 1974 43 of 61 patients with GVHD Thomas et al BMT review 1975 UGI Weisdorf et al 1990 Consensus Grading 1995 accepted UGI, lessened emphasis on performance status IBMTR 1997 A B C D narrowed B due to heterogeneity of grade II 4 Staging of Acute GVHD Skin Lower GI Upper GI Liver Rash Diarrhea 0 -- none -- Bili <2.0 mg/dl 1 <25% <500 ml N/V 2.1-3.0 <280 ml/m2 2 25-50% 500-1000 3.1-6.0 280-555/ m2 3 >50% 1000-1500 6.1-15 generalized 556-833/ m2 4 + bullae 1500+ >15.1 desquamation >833/ m2 Record of Clinical GVHD data Clinical GVHD Assessment Date____________ Karnofsky/Lansky____________ Stage Biopsy Differential Diagnosis 0123 4 + - E Drug TPN VOD Infect Other Skin %body rash:_______ ____________________ Lower GI diarrhea vol:_______ ____________________ Liver max bili:__________ ____________________ Upper GI ____________________ Treatment: CSA MMF Pred/MPred TCM/HCT ATG FK506 Infliximab MPred Boluses Study______________ Other____________________ Signature_____________________________________________ Record of Clinical GVHD data Clinical GVHD Assessment Date____________ Karnofsky/Lansky____________ Stage Biopsy Differential Diagnosis 0123 4 + - E Drug TPN VOD Infect Other Skin %body rash:_______ ____________________ Lower GI diarrhea vol:_______ ____________________ Liver max bili:__________ ____________________ Upper GI ____________________ Treatment: CSA MMF Pred/MPred TCM/HCT ATG FK506 Infliximab MPred Boluses Study______________ Other____________________ Signature_____________________________________________ Data managers Dream 5 6 80% skin 6% liver at onset of 18% LGI therapy 24% UGI MacMillan et al, BBMT, 2002 MacMillan et al, BBMT, 2002 GVHD prevention • Optimize donor selection Incidence of AGVHD HLA identical sibling donor: 40% HLA identical unrelated donor: 50-60% Cord blood: 25-50% Incidence of CGVHD HLA identical sibling donor: 33% HLA identical unrelated donor: 65% Cord blood: 10-30% 7 Therapeutic Interventions in GVHD Deplete Tolerize Donor T cells Inactivate } Deplete host APCs In vivo deplete stimulated T cells Reduce secondary inflammation Therapeutic Interventions in GVHD Deplete Graft modulation TCD Tolerize Donor T cells Block costimulation Add T reg Inactivate } Add NK or MSC Deplete host APCs Drug Therapy In vivo deplete stimulated T cells Immunosuppressive Blunt proliferation In vivo T cell lysis Reduce secondary inflammation Anti-cytokines Block target lysis Drugs to prevent GVHD Mtx CSA Tacrolimus (FK506) MMF Sirolimus (rapamycin) ATG Anti-TNF (infliximab, etanercept) Anti-cytokines Others….. 8 Acute GVHD--Treatment Standard GVHD treatment—Corticosteroids Durable response 40% Sibling donors 25% Unrelated donors but 60-75% need additional therapy For steroid-refractory disease, no standard effective treatments are available GVHD Therapy Agents Corticosteroids + CSA/Tac Daclizumab; Visiluzimab Infliximab, Etanercept Sirolimus MMF Pentostatin, Fludarabine ATG; Thymoglobulin Photopheresis Corticosteroids Used for decades lympholytic, but not tolerizing; anti-cytokine no specificity for activated T cells Lots of toxicities infections, osteopenia, cataracts, AVN BP, DM, myopathy, skin atrophy 9 Steroid therapy of Acute GVHD PR/CR cGVHD N=443 20/35% 42% Initial Grade (%) cGVHD % I2839 II 60 44 III/IV 13 42 MacMillan et al, BBMT, 2002 Factors predicting PR/CR to steroid therapy Variable Relative Likelihood P of CR/PR (95% CI) Type of donor Related 1.0 Matched unrelated Mismatched unrelated 0.8 (0.5 - 1.4) 0.52 0.5 (0.3 - 0.8) <0.01 GVHD prophylaxis CSA 1.0 Methotrexate alone 0.3 (0.1 - 0.6) <0.01 T-cell depletion 0.9 (0.5 - 1.6) 0.77 Tacrolimus 1.2 (0.4 - 3.8) 0.63 Initial grade of GVHD I 1.0 II 0.9 (0.6 - 1.5) 0.79 MacMillan et al, III 0.8 (0.4 - 1.7) 0.66 BBMT, 2002 IV 0.3 (0.1 - 1.9) 0.23 ATG Active in steroid refractory GVHD, overall responses 19-56% skin responses 59-79% Randomized trials 1980s and 1990s—no benefit 1-year mortality 60-90%. Deaths typically not from GVHD opportunistic infections, EBV 10 Anti-IL2 R Antibodies Anti-CD25 murine monoclonals B-B10 and BT563 CR 66% -73% Daclizumab humanized IgG1 monoclonal antibody binds alpha subunit (p55 alpha, CD25, or Tac) of IL-2R inhibits IL-2 binding Daclizumab Germany Willenbacher et al; Brit J Haem 2001 N=16; 12 steroid resistant acute (6 responded). 14 of 16 developed infections, 2 fatal Przepiorka et al, Blood 2001 N=43 steroid refractory. Weekly (n=29) to day 42 CR 29%, 120 day survival 29% 2-3 x weekly (n=19) CR 47%, 120 day survival 53% Wolff (ASH abstract) Daclizumab + etanercept n=12; 6 CR; 4PR; 1 early death; 1 NR Randomized trial: Prednisone +/- Daclizumab for Initial GVHD therapy Dacliz +Pred Prednisone p GVHD control 53% 51% 0.85 100-day survival 77% 94% 0.02 Overall survival 29% 60% 0.002 Lee et al, Blood, 2004 11 Initial Systemic Treatment of Acute GVHD : A Phase II randomized trial BMT CTN 0302 Acute/Chronic GVHD Committee D Weisdorf, B Logan, J Antin, J Ferrara, S Lee, D Couriel, R Soiffer, R Nash, M Horowitz, S Carter, R Goyal, J Klein et al Study goal To test new agents to treat Acute GVHD Define those promising for testing against steroids alone in a subsequent comparative, Phase III trial. Historical control data using prednisone alone: Minnesota, Dana Farber, Seattle Expected 35% CR at day 28 of therapy Etanercept [25 mg sc BIW for up to 8 weeks] MMF [must be off MMF for ≥ 14 days to be eligible] Ontak [9 mcg/kg IV d 1,3,5 d 15,17,19] Pentostatin 1.5 mg/m2 qd x 3 d; day 1-3 & day 15-17 Study Agents all given with: Prednisone 2 mg/kg/d for ≥ 7 days; Taper as tolerated to not < 1 mg/kg/d at day 28 12 Prednisone + Etanercept, MMF, Ontak & Pentostatin were chosen Plan follow-up randomized trial as this trial proceeds Therapeutic Interventions in GVHD Deplete Graft modulation TCD Tolerize Donor T cells Block costimulation Inactivate } Add T reg Add NK or MSC Deplete host APCs Drug Therapy In vivo deplete stimulated T cells Immunosuppressive Blunt proliferation In vivo T cell lysis Reduce secondary inflammation Anti-cytokines Block target lysis And now the forms • Accurate and adequate data collection for both acute and chronic GVHD. • Organ involvement. • Severity 13 Plus others……… Diagnosis of Acute GVHD GRADE ORGAN STAGE 14 Treatment of acute GVHD Acute GVHD – Dermatological • Maculo-papular rash Apoptotic crypt cells on GI histology Skin biopsy showing interface dermatitis 15 Chronic GVHD - Dermatological • Same as acute GVHD • Atrophy and erythema of oral mucosa • Lichenoid lesions of skin, buccal and labial mucosa • Sclerodermatous skin thickening • Joint contractures Sclerotic cGVHD of the lips and mucosa with restricted mouth opening Skin involvement with cGVHD 16 Chronic GVHD Limited skin involvement: topical steroids. Systemic Therapy: Steroids plus CSA or tacrolimus are the mainstay of therapy for CGVHD cGVHD requiring systemic therapy (n=159) 6 mo 1 year 2 years CR+PR 61.3% 52.7% 50.4% NR+Flare 38.7% 47.3% 49.6% Arora et al BBMT 2003 Overall Survival and Duration of Immunosuppression Arora et al