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Objective Since comorbidities such as autoimmune diseases may be associated with rheumatoid arthritis (RA) risk, we hypothesized that a family history of these other conditions might also predict RA. Therefore, we aimed to determine the association between family history of 79 comorbidities and RA. Methods This case–control study identified 821 cases of RA in the Mayo Clinic Biobank (positive predictive value 95%) and matched 3 controls to each case based on age, sex, recruitment year, and location. Patients self reported family history and characteristics (adjusted). Logistic regression was used to estimate odds ratios (ORs) and 95% confidence intervals (95% CIs) for RA risk according to the presence of family history for each comorbidity, adjusted for body mass index, race, and smoking. Results Family history of several conditions was associated with developing RA, including rheumatic autoimmune diseases (OR adj 1.89 [95% CI 1.41–2.52]), pulmonary fibrosis (OR adj 2.12 [95% CI 1.16–3.80]), inflammatory bowel disease (OR adj 1.45 [95% CI 1.05–1.98]), hyper/hypothyroidism (OR adj 1.34 [95% CI 1.10–1.63]), and obstructive sleep apnea (OR adj 1.28 [95% CI 1.05–1.55]). Parkinson’s disease and type 2 diabetes mellitus were associated with a statistically decreased risk of RA that did not reach the prespecified significance threshold of P < 0.01 (OR adj 0.70 [95% CI 0.49–0.98] and OR adj 0.81 [95% CI 0.67–0.97], respectively). Analyses among 143 cases of incident RA were similar and also suggested an association with a family history of autism (OR 10.5 [95% CI 2.51–71.3]). Conclusion Family history of several autoimmune and nonautoimmune comorbidities was associated with increased risk of RA, providing an opportunity to identify novel populations at risk for RA.

Abstract Background: Patients with chronic myelomonocytic leukemia (CMML) have historically had poor outcomes, with overall response rates (ORR) of ~16% for hypomethylating agents (HMA) in first-line registration studies with a median overall survival (OS) of ~4-7 months in the relapsed/refractory (R/R) setting. Allogeneic stem cell transplant is not an option for the majority, due to older age at diagnosis and comorbidities. Tagraxofusp (Elzonris™, SL-401) is a novel targeted therapy directed to the interleukin-3 receptor-α (CD123), a target expressed on a variety of malignancies. In CMML, CD123 is expressed on malignant progenitor cells as well as microenvironmental plasmacytoid dendritic cell (pDC) infiltrates, now shown to be part of the malignant clone (Solary, EHA 2018). We thus hypothesized that therapeutic targeting of CD123-expressing malignant cells and infiltrating clonal pDCs may offer a novel therapeutic approach. Tagraxofusp has already demonstrated high levels of clinical activity against blastic plasmacytoid dendritic cell neoplasm (BPDCN), a CD123+ malignancy derived from pDCs. Methods: This multicenter, two-stage Phase 1/2 trial is enrolling patients with relapsed/refractory (r/r) CMML or other myeloproliferative neoplasms (MPNs). Primary objectives include assessment of safety, determining optimal dose/regimen, and evaluating efficacy outcomes in patients with r/r CMML. In the Stage 1 dose escalation cohort (completed), tagraxofusp was administered as a daily IV infusion at 7, 9, and 12 mcg/kg/day, on days 1-3 every 21 days (cycle 1-4), every 28 days (cycles 5-7), and every 42 days (cycles 8+). In Stage 2 (ongoing), patients received the optimal dose determined in Stage 1 (12 mcg/kg; no MTD reached). Results: As of July 2018, 18 patients with CMML (CMML-1 [n=10]; CMML-2 [n=8]) received tagraxofusp. 13 patients were treated in second-line setting and 5 patients were treated in third-line and beyond, with HMAs being the most commonly administered prior therapy. Median age was 70 years (range 42-80); 78% patients were male. 53% (9/17) of patients had baseline splenomegaly (range: 2 to 22 cm palpable below left costal margin (BCM) by physical exam). Most common treatment-related adverse events (TRAEs) were hypoalbuminemia and nausea (each 38%), vomiting (31%), fatigue, edema, and thrombocytopenia (each 25%). Most common ≥grade 3 TRAEs were thrombocytopenia (13%) and nausea (6%). Capillary leak syndrome was reported in 3 patients (19%; all grade 2). 100% (8/8) of patients with baseline splenomegaly had a spleen response, including 75% (6/8) who had reduction in splenomegaly of 50% or more. 60% (3/5) of patients with baseline spleen size ≥5cm had reduction in splenomegaly of 50% or more. Two patients treated with tagraxofusp achieved bone marrow CRs. 43% (6/14) of evaluable patients had a treatment duration of 6 months or more, including one at 8+ and one at 14+ months. Conclusions: Tagraxofusp monotherapy resulted in significant reductions in spleen sizes along with bone marrow morphological responses in relapsed/refractory patients with CMML, with a manageable safety profile. Given CD123 expression on both neoplastic myeloid cells and pDCs infiltrates, tagraxofusp may offer a novel targeted approach for patients with CMML, an area of unmet medical need. Enrollment continues, and updated safety and efficacy data will be presented. A registrational trial in this patient population is planned. Clinical trial information: NCT02268253. Disclosures Ali: Incyte Corporation: Membership on an entity's Board of Directors or advisory committees. Gupta:Novartis: Consultancy, Honoraria, Research Funding; Incyte: Research Funding. Schiller:Celator/Jazz Pharmaceuticals: Research Funding; Pharmacyclics: Research Funding. Lee:AstraZeneca: Consultancy; Clinipace: Consultancy; Karyopharm Therapeutics Inc: Consultancy; LAM Therapeutics: Research Funding; Amgen: Consultancy. Yacoub:Cara Therapeutics: Equity Ownership; Ardelyx, INC.: Equity Ownership; Dynavax: Equity Ownership; Inycte: Honoraria, Speakers Bureau; Seattle Genetics: Honoraria, Speakers Bureau; Novartis: Honoraria, Speakers Bureau. Sardone:Stemline Therapeutics: Employment, Equity Ownership. Wysowskyj:Stemline Therapeutics: Employment, Equity Ownership. Shemesh:Stemline Therapeutics: Employment, Equity Ownership. Chen:Stemline Therapeutics: Employment, Equity Ownership. Olguin:Stemline Therapeutics: Employment, Equity Ownership. Brooks:Stemline Therapeutics: Employment, Equity Ownership. Dunn:Stemline Therapeutics: Employment, Equity Ownership. Verstovsek:Novartis: Membership on an entity's Board of Directors or advisory committees, Research Funding, Speakers Bureau; Incyte: Consultancy; Italfarmaco: Membership on an entity's Board of Directors or advisory committees; Celgene: Membership on an entity's Board of Directors or advisory committees. Khoury:Stemline Therapeutics: Research Funding. Pemmaraju:celgene: Consultancy, Honoraria; novartis: Research Funding; Affymetrix: Research Funding; samus: Research Funding; cellectis: Research Funding; daiichi sankyo: Research Funding; stemline: Consultancy, Honoraria, Research Funding; plexxikon: Research Funding; abbvie: Research Funding; SagerStrong Foundation: Research Funding.

Abstract Background: Patients with myelofibrosis (MF) that have failed or are intolerant to JAK inhibitors (JAKi) have no standard treatment options. Tagraxofusp (Elzonris™; SL-401) is a novel targeted therapy directed to the interleukin-3 receptor-α (CD123), a target expressed on a variety of malignancies, including certain myeloproliferative neoplasms (MPNs) such as MF. CD123 is also expressed on plasmacytoid dendritic cells (pDCs), which reside in the tumor microenvironment and may play a role in promoting growth of MPNs and other malignancies. Therefore, targeting of CD123-expressing malignant cells and/or neighboring pDCs may offer a novel therapeutic approach. Tagraxofusp has demonstrated high levels of clinical activity against blastic plasmacytoid dendritic cell neoplasm (BPDCN), a CD123+ malignancy derived from pDCs. Methods: This multicenter, two-stage Phase 1/2 trial is enrolling patients with MF that were relapsed, refractory, or unable to tolerate JAKi. Primary objectives include assessment of safety, determining optimal dose/regimen, and evaluating efficacy outcomes. In the Stage 1 dose escalation cohort (completed), tagraxofusp was dosed as a daily IV infusion at 7, 9, and 12 mcg/kg/day, on days 1-3 every 21 days (cycle 1-4), every 28 days (cycles 5-7), and every 42 days (cycles 8+). In Stage 2 (ongoing), patients received the optimal dose determined in Stage 1 (12 mcg/kg/day). Results: As of July 2018, 18 patients with MF received tagraxofusp. Five patients were treated in the second line setting and 12 patients were treated in third-line setting, and beyond. Median age was 69 years (range 55-81); 60% patients were female. Of the 18 patients with DIPSS Plus risk group assessment available, 3 patients (17%) were intermediate-1, 10 patients (55%) were intermediate-2, and 5 patients (28%) were high-risk. Median platelet count was 66 K/uL (range 15-579). 70% (14/20) of patients had baseline platelets <100K/uL, of which 6 patients had platelets <50K/uL at study entry. 89% (17/19) of patients had baseline splenomegaly defined as palpable spleen 5 cm or more below costal margin (BCM) by physical exam. Most common treatment-related adverse events (TRAEs) include hypoalbuminemia and thrombocytopenia (each 27%), and alanine aminotransferase increased, anemia, dizziness, fatigue, headache and nausea (each 20%). Most common ≥grade 3 TRAEs include anemia (20%) and thrombocytopenia and fatigue (each 7%). Capillary leak syndrome was reported in 1 patient (5%; grade 3). 50% (6/12) of evaluable patients, with baseline spleen size 5 cm or more BCM, had a spleen response, of which 33% (4/12) had splenomegaly reduction by 33% or more and 25% (3/12) had splenomegaly reduction by 35% or more. 50% (3/6) of patients with spleen response had treatment duration 8+ months, including 8+, 12+ and 14+ months (all 3 ongoing). Four patients with baseline thrombocytopenia had treatment durations 8+ months, 3 of which are ongoing. Conclusions: Tagraxofusp monotherapy demonstrated improvements in splenomegaly, with a manageable safety profile, in patients with relapsed/refractory MF, an area of unmet medical need. Given CD123 expression on myeloid neoplastic cells and pDCs in the tumor microenvironment, tagraxofusp may offer a novel targeted approach for MF patients. Enrollment continues, and updated safety and efficacy data will be presented. Registrational designs are being evaluated. Clinical trial information: NCT02268253. Disclosures Pemmaraju: celgene: Consultancy, Honoraria; abbvie: Research Funding; cellectis: Research Funding; stemline: Consultancy, Honoraria, Research Funding; samus: Research Funding; novartis: Research Funding; Affymetrix: Research Funding; SagerStrong Foundation: Research Funding; plexxikon: Research Funding; daiichi sankyo: Research Funding. Gupta:Incyte: Research Funding; Novartis: Consultancy, Honoraria, Research Funding. Schiller:Pharmacyclics: Research Funding; Celator/Jazz Pharmaceuticals: Research Funding. Lee:LAM Therapeutics: Research Funding; AstraZeneca: Consultancy; Clinipace: Consultancy; Karyopharm Therapeutics Inc: Consultancy; Amgen: Consultancy. Yacoub:Ardelyx, INC.: Equity Ownership; Cara Therapeutics: Equity Ownership; Dynavax: Equity Ownership; Inycte: Honoraria, Speakers Bureau; Seattle Genetics: Honoraria, Speakers Bureau; Novartis: Honoraria, Speakers Bureau. Ali:Incyte Corporation: Membership on an entity's Board of Directors or advisory committees. Sardone:Stemline Therapeutics: Employment, Equity Ownership. Wysowskyj:Stemline Therapeutics: Employment, Equity Ownership. Shemesh:Stemline Therapeutics: Employment, Equity Ownership. Chen:Stemline Therapeutics: Employment, Equity Ownership. Olguin:Stemline Therapeutics: Employment, Equity Ownership. Brooks:Stemline Therapeutics: Employment, Equity Ownership. Dunn:Stemline Therapeutics: Employment, Equity Ownership. Verstovsek:Novartis: Membership on an entity's Board of Directors or advisory committees, Research Funding, Speakers Bureau; Italfarmaco: Membership on an entity's Board of Directors or advisory committees; Incyte: Consultancy; Celgene: Membership on an entity's Board of Directors or advisory committees. Khoury:Stemline Therapeutics: Research Funding.

Abstract Background. Trisomy 12 (tris12) is a recurrent cytogenetic abnormality in chronic lymphocytic leukemia (CLL), occurring in approximately 15-20% of cases, often as the unique cytogenetic alteration, that is usually considered a clonal driver lesion occurring early in CLL evolution. In the Dohner hierarchical categorization, tris12 CLL are identified as having an intermediate prognostic risk, although recent reports suggest a more complex and heterogeneous clinical behavior. Compared to CLL lacking this cytogenetic abnormality, tris12 CLL show more atypical morphology and immunophenotype, more frequent expression of the negative prognostic markers CD49d and CD38, and presence of NOTCH1 mutations and an unmutated (UM) IGHV gene status. The increased fraction of tris12 CLL carrying adverse prognostic features is in contrast to the intermediate clinical behavior associated with most tris12 CLL cases. Aim. To perform a comprehensive evaluation of the clinical impact of the major genetic, immunogenetic and immunophenotypic prognostic markers in tris12 CLL. Methods. The study was based on a multicenter series of tris12 CLL defined according to Dohner (n=283, including 73 cases also bearing del13q), and a comparison group (control) of 553 cases with either del13q (n=308) or without any cytogenetic abnormality (no del17p, del11q, tris12, del13q, n=245). Median follow-up of patients in the tris12 and control groups were 4 years (range 0-22) and 7 years (range 0-28), with 54% and 57% treated patients, and 18% and 15% deaths, respectively. Patient characterization included modified Rai stage, CD49d (CD49dhigh, ≥30% positive cells by flow cytometry), CD38 (CD38high, ≥30% positive cells by flow cytometry) and ZAP-70 (ZAP-70high, ≥20% positive cells by flow cytometry) expression, and IGHV mutational status (mutated, M, or UM according to the 2% cutoff). TP53, BIRC3, NOTCH1 andSF3B1 mutations were screened either at diagnosis or before therapy by NGS with at least 1000X coverage and 1% of sensitivity. Groups were compared by chi-square test; overall survival (OS) was computed from diagnosis to death or censored at last observation, and analyzed by Cox regression analysis. Results. Comparing the tris12 and the control groups, median age was 64 years (range 30-92) vs 66 years (range 33-92), male gender 55% vs 56% (p=0.86), the modified Rai stage was early in 52% vs 54%, intermediate in 41% vs 42% and advanced in 7% vs 4% (p=0.20). As previously reported, tris12 CLL were characterized by a higher prevalence of cases expressing CD49d (85% vs 31%) and CD38 (62% vs 17%; all p<0.0001), and of UM IGHV cases (55% vs 25%, p<0.0001). Analysis of recurrent mutations highlighted a higher prevalence of NOTCH1 mutations (26% vs 8%, p<0.0001) and of BIRC3 mutations (21% vs 1%, p<0.0001) in tris12 vs control group CLL. Conversely, no differences were found in the fraction of cases with TP53 mutations (3% vs 4%, p=0.38) or SF3B1 mutations (7% vs 7%, p=0.89), and in cases expressing ZAP-70 (62% vs 52%, p=0.09). The impact of these features on OS was tested by univariate analysis: in tris12 CLL, only the UM IGHV gene status predicted shorter OS (HR=2.37, p=0.0063), while none of the other characteristics reaching statistical significance as OS predictors (CD49d HR=1.36, p=0.36; CD38 HR=0.42, p=0.052; ZAP-70 HR=3.12, p=0.07; TP53 HR=2.33, p=0.25; NOTCH1 HR=1.40, p=0.22; SF3B1 HR=2.05, p=0.17; BIRC3 HR=1.22, p=0.61). On the other hand, in the control cohort, a significantly higher HR was found for CD49d (HR 3.11, p<0.0001) and CD38 (HR 3.45, p<0.0001) expression, TP53 (HR 2.88, p=0.0026), NOTCH1 (HR 3.57, p<0.0001), and SF3B1 (HR 2.57, p=0.0038) mutations, as well as for the UM IGHV gene status (HR=2.81, p<0.0001), but not for ZAP-70 expression and BIRC3 mutations (HR=1.74 and HR=1.91, p=0.15 and p=0.37, respectively). Conclusions. Mutational status of IGHV genes was the sole prognostic factor able to stratify OS in tris12 CLL. Despite the high frequency of NOTCH1 and BIRC3 mutations, as well as of CD49d and CD38 overexpression, these markers failed to convey a prognostic risk in tris12 CLL. The lack of a significant clinical impact for TP53 and SF3B1 mutations might be partly explained by the low number of mutated cases combined with a relative short follow up in our tris12 cohort. These findings are in keeping with the hypothesis of a different patho-biological mechanism occurring in tris12 CLL, which however remains to be fully elucidated. Disclosures D'Arena: Janssen-Cilag: Honoraria. Rossi:Gilead: Honoraria, Research Funding; Abbvie: Honoraria; Janseen: Honoraria. Gaidano:Janssen: Consultancy, Honoraria, Speakers Bureau; Gilead: Consultancy, Honoraria, Speakers Bureau; Novartis: Consultancy, Honoraria, Speakers Bureau; Roche: Consultancy, Honoraria, Speakers Bureau; Morphosys: Consultancy, Honoraria; Karyopharm: Consultancy, Honoraria. Shanafelt:Genentech: Research Funding; Janssen: Research Funding; Celgene: Research Funding; GlaxoSmithkKine: Research Funding; Pharmacyclics: Research Funding; Cephalon: Research Funding; Hospira: Research Funding.

Abstract Background: In the pivotal FIRST trial, at the pre-specified planned analysis for progression-free survival (PFS), treatment (Tx) with lenalidomide plus low-dose dexamethasone until disease progression (Rd continuous) improved outcomes for transplant-ineligible patients (pts) with newly diagnosed multiple myeloma (NDMM) compared with melphalan, prednisone, and thalidomide (MPT), as well as Rd for 18 cycles (Rd18; Benboubker, NEJM 2014). Rd18 was added as a third arm to investigate whether Rd continuous Tx would control progression of NDMM longer than Rd18. Here, we present the final analysis of the overall survival (OS) data from the trial. Methods: Transplant-ineligible pts with NDMM were randomized 1:1:1 to Rd continuous (with lenalidomide given on days 1-21 of 28-day cycles until disease progression), Rd18 (with lenalidomide given on days 1-21 of eighteen 28-day cycles), or MPT (twelve 42-day cycles); both Rd18 and MPT were 72 weeks in duration. The primary endpoint was PFS and the key secondary endpoint was OS; the primary comparison was Rd continuous vs MPT. Other secondary endpoints included time to second therapy (TTST) and safety. Time from randomization to second progression or death (PFS2) was an exploratory analysis. Response assessment used for PFS and PFS2 analysis was determined by investigators based on International Myeloma Working Group criteria. Results: At the time of cutoff for the final OS analysis (January 21, 2016), 52 of the 535 pts in the Rd continuous arm and none of the pts in the Rd18 (n = 541) and MPT (n = 547) arms continued to receive Tx. The median follow-up for surviving pts was 67.0 months (range, 0-86.8 months). In the pre-specified final OS analysis for the primary comparison, a statistically significant advantage in OS was shown with Rd continuous over MPT (hazard ratio [HR], 0.78; 95% confidence interval [CI], 0.67-0.92; P = .00234; Table). OS for Rd continuous vs Rd18 was evaluated (HR, 1.02; 95% CI, 0.86-1.20). In this updated analysis, a PFS advantage continued to be seen for Rd continuous vs MPT (HR, 0.69; 95% CI, 0.59-0.79; P < .00001) and vs Rd18 (HR, 0.70; 95% CI, 0.60-0.81). Median TTST was longer for Rd continuous vs MPT (HR, 0.63; 95% CI, 0.54-0.73; Table). More pts in the Rd18 and MPT arms started second-line therapy (n = 377 and 381, respectively) compared with the Rd continuous arm (n = 299). Pts received a variety of Tx at progression, with bortezomib-based regimens the most common in the Rd continuous (n = 179; 59.9%), Rd18 (n = 208; 55.2%), and MPT (n = 170; 44.6%) arms. Pts who received bortezomib after Rd continuous or Rd18 had better outcomes than those who received it after MPT. PFS2 for Rd continuous was improved vs MPT (HR, 0.74; 95% CI, 0.64-0.85). Grade 3/4 adverse events (AEs) occurred in 86.3%, 80.2%, and 88.7% of the 532, 540, and 541 pts in the safety populations of the Rd continuous, Rd18, and MPT arms, respectively; the most common grade 3/4 AEs were neutropenia (29.5%, 26.5%, and 44.9%) and infections (31.6%, 21.9%, and 17.2%), and no new safety signals were seen compared with earlier analyses. Study discontinuation was most commonly due to disease progression and was less common in the Rd continuous vs Rd18 and MPT arms (50.7% vs 66.9% and 61.6%, respectively). Discontinuation due to AEs was similar across the Rd continuous, Rd18, and MPT arms (12.0%, 13.1%, and 13.9%). Solid tumor second primary malignancies (SPMs) occurred in 6.0, 6.9%, and 5.9% of pts, and hematologic malignancies occurred in 0.8%, 0.4%, and 2.6% of pts in the Rd continuous, Rd18, and MPT arms, respectively. Conclusions: Rd continuous significantly prolonged PFS and OS, and improved other secondary endpoints compared with MPT in transplant-ineligible pts with NDMM. Rd continuous also showed a PFS benefit compared with Rd18, delaying the time to next Tx. PFS2 outcomes suggest that Rd does not induce resistant relapses. Few hematologic malignancies occurred in the Rd arms, and the incidence of SPMs was similar between Rd continuous and Rd18. Rd continuous remains a standard of care for transplant-ineligible pts with NDMM. Disclosures Facon: Celgene: Consultancy, Membership on an entity's Board of Directors or advisory committees, Other: travel and expense, Speakers Bureau. Dimopoulos:Genesis: Consultancy, Honoraria; Celgene: Consultancy, Honoraria, Membership on an entity's Board of Directors or advisory committees; Amgen: Consultancy, Honoraria, Membership on an entity's Board of Directors or advisory committees; Janssen: Consultancy, Honoraria, Membership on an entity's Board of Directors or advisory committees; Novartis: Consultancy, Honoraria, Membership on an entity's Board of Directors or advisory committees. Dispenzieri:Celgene: Research Funding. Belch:Takeda: Honoraria; Janssen: Honoraria; Amgen: Honoraria; Celgene: Honoraria. Cavo:Bristol-Myers Squibb: Consultancy, Honoraria; Janssen-Cilag: Consultancy, Honoraria; Amgen: Consultancy, Honoraria; Celgene: Consultancy, Honoraria; Millennium: Consultancy, Honoraria. Weisel:BMS: Consultancy, Honoraria; Amgen: Consultancy, Honoraria; Janssen: Consultancy, Honoraria, Research Funding; Celgene: Consultancy, Honoraria, Research Funding; Onyx: Consultancy, Research Funding; Takeda: Consultancy, Research Funding; Novartis: Consultancy, Research Funding. Ludwig:Janssen: Speakers Bureau; BMS: Speakers Bureau; Takeda: Research Funding, Speakers Bureau; Amgen: Research Funding, Speakers Bureau. Bahlis:BMS: Honoraria; Amgen: Consultancy, Honoraria; Celgene: Consultancy, Honoraria, Other: Travel Expenses, Research Funding, Speakers Bureau; Janssen: Consultancy, Honoraria, Other: Travel Expenses, Research Funding, Speakers Bureau; Onyx: Consultancy, Honoraria. Delforge:Janssen: Honoraria; Celgene: Honoraria; Amgen: Honoraria. Cavenagh:Amgen: Consultancy, Speakers Bureau; Novartis: Consultancy, Speakers Bureau; Janssen: Consultancy, Speakers Bureau; Celgene: Consultancy, Speakers Bureau. Geraldes:Celgene: Consultancy, Honoraria; Amgen: Consultancy, Honoraria; BMS: Consultancy, Honoraria; Janssen: Consultancy, Honoraria. Oriol:Janssen: Honoraria, Membership on an entity's Board of Directors or advisory committees; Amgen: Honoraria, Membership on an entity's Board of Directors or advisory committees; Celgene: Honoraria, Membership on an entity's Board of Directors or advisory committees. De La Rubia:Amgen, Bristol, Celgene, Janssen: Consultancy, Speakers Bureau. White:Celgene: Honoraria, Membership on an entity's Board of Directors or advisory committees, Research Funding. Moreau:Celgene: Honoraria; Amgen: Honoraria; Takeda: Honoraria; Novartis: Honoraria; Janssen: Honoraria, Speakers Bureau; Bristol-Myers Squibb: Honoraria. Attal:janssen: Consultancy, Research Funding; amgen: Consultancy, Research Funding; celgene: Consultancy, Research Funding; sanofi: Consultancy. Ervin-Haynes:Celgene: Employment, Equity Ownership. Chen:Celgene: Employment, Equity Ownership. Houck:Celgene: Employment. Hulin:celgene: Honoraria; Bristol: Honoraria; Janssen: Honoraria; Amgen: Honoraria; takeda: Honoraria. Benboubker:Amgen: Honoraria, Membership on an entity's Board of Directors or advisory committees; Takeda: Honoraria, Membership on an entity's Board of Directors or advisory committees; Janssen: Honoraria, Membership on an entity's Board of Directors or advisory committees; Celgene: Honoraria, Membership on an entity's Board of Directors or advisory committees.

Introduction: Menorrhagia is a common health problem affecting ∼5-10% of women. The optimal management of menorrhagia among women with abnormal laboratory hemostasis is uncertain. The goal of this study was to determine the effect of intranasal desmopressin (IN-DDAVP) vs. oral tranexamic acid (TA) on menstrual blood loss (MBL) and quality of life (QOL). Methods: In a cross-over study design, 117 consenting women 18–50 years of age with menorrhagia (defined as subjective report of heavy bleeding and a pictorial blood assessment chart [PBAC] score > 100) with a negative gynecological evaluation and abnormal laboratory hemostasis (62% platelet dysfunction, 15% von Willebrand disease, 23% other coagulation defect or combined) were randomly assigned to initial IN-DDAVP or TA therapy each for two menstrual cycles, followed by cross-over to the second study drug for an additional two cycles. MBL by PBAC was measured at baseline and after each menstrual cycle while QOL was assessed by four validated instruments: Health Related Quality of Life (HRQOL), SF-36®, Center for Epidemiologic Studies Depression Scale (CES-D) and the Ruta menorrhagia questionnaire. Results: There was a statistically significant decrease in the PBAC for both treatments. On average, the estimated decrease in the PBAC from baseline for IN-DDAVP was −66.0 (CI = (−89.5, −42.6)) and for TA, −107.8 (CI = (−131.5, −84.1)). The decrease in the PBAC score was larger for TA with a difference of 41.8 (p-value = 0.0002, CI = (20.4, 63.2)) between the two treatments. In the multivariable analysis, the test for treatment-cycle number interaction was not significant, suggesting no carry-over effect. The test for a treatment type effect was significant (p<0.0001) suggesting a greater reduction in PBAC score with TA compared to IN-DDAVP. Both IN-DDAVP and TA generally improved QOL as assessed by each of the four instruments. Over-all, the Ruta Menorrhagia Questionnaire and the Center for Epidemiologic Studies Depression Scale measurements showed the most statistically significant improvements. Conclusion: Both TA and IN-DDDAVP reduce MBL and improve QOL in females with menorrhagia and abnormal laboratory hemostasis.The significance of these findings are underscored by the fact that prior studies of menorrhagia treatment in these patients have not included validated QOL instruments. The marked improvement in MBL and QOL noted with TA and IN-DDAVP appears to justify hemostasis screening in women presenting with menorrhagia for whom no gynecological cause can be found.

Summary Patients with obstructive sleep apnoea are at increased risk of adverse postoperative outcomes, such as cardiac and respiratory complications. It has been hypothesised that obstructive sleep apnoea also increases the risk for postoperative delirium and acute postoperative pain. We conducted a retrospective, observational study investigating the relationship of obstructive sleep apnoea with postoperative delirium and acute postoperative pain severity. Patients were classified as being at high risk for obstructive sleep apnoea if they had been diagnosed with this condition, or if they were positive for more than four factors using the ‘ STOP ‐ BANG ’ screening tool. Adjusted logistic regression was used to investigate the association between obstructive sleep apnoea and postoperative delirium, and multivariable linear regression to study the relationship between obstructive sleep apnoea and postoperative pain severity. The incidence of postoperative delirium was 307 in 1441 patients (21.3%; 95% CI 19.2–23.5%). In unadjusted analysis, high risk for obstructive sleep apnoea was associated with delirium, with an odds ratio (95% CI ) of 1.77 (1.22–2.57; p = 0.003). After adjustment for pre‐specified variables, the association was not statistically significant with odds ratio 1.34 (0.80–2.23; p = 0.27). The mean ( SD ) maximum pain (resting or provoked) reported for the entire cohort was 63.8 (27.9) mm on a 0–100 mm visual analogue scale. High risk for obstructive sleep apnoea was not associated with postoperative pain severity (β‐coefficient 2.82; 95% CI , −2.34–7.97; p = 0.28). These findings suggest that obstructive sleep apnoea is unlikely to be a strong risk factor for postoperative delirium or acute postoperative pain severity.