The Efficacy of Lurasidone on PANSS Subscales in Adolescent Patients with Schizophrenia: Results from a 6-week, Double-blind, Placebo-controlled, Multicenter Study

2017 ◽  
Vol 41 (S1) ◽  
pp. S90-S91 ◽  
Author(s):  
C. Correll ◽  
R. Goldman ◽  
J. Cucchiaro ◽  
L. Deng ◽  
A. Loebel

IntroductionLurasidone is an atypical antipsychotic that demonstrated efficacy in the treatment of adults with schizophrenia in the dose range of 37–148 mg/day.Objective/AimsThe objective of this analysis was to evaluate the efficacy of lurasidone in adolescent patients with schizophrenia.MethodsAdolescents (13–17 years old) diagnosed with schizophrenia were randomly assigned to six weeks of double-blind treatment with lurasidone 37 mg/day, 74 mg/day or placebo. Changes from baseline to week 6 in PANSS total and subscale (positive, negative, general psychopathology, excitability) scores were evaluated using mixed-model repeated-measures analysis.ResultsA total of 326 patients (mean age, 15.4 years) were randomized and received lurasidone 37 mg/day (n = 108), 74 mg/day (n = 106), or placebo (n = 112). The PANSS total score at week 6 demonstrated a placebo-adjusted, least-squares (LS) mean improvement of –8.0 (P < 0.001; effect size [ES], 0.51) for the 37 mg/day group and –7.7 (P < 0.001; ES = 0.48) for the 74 mg/day group. Placebo-adjusted LS mean change for lurasidone 37 mg/day and 74 mg/day, respectively, was –3.2 (P < 0.001; ES = 0.62) and –3.2 (P < 0.001; ES = 0.60) on the PANSS positive subscale, –1.7 (P = 0.011; ES = 0.41) and –1.6 (P = 0.022; ES = 0.35) on the PANSS negative subscale, –2.8 (P = 0.012; ES = 0.38) and –2.8 (P = 0.011; ES = 0.37) on the PANSS general psychopathology subscale, and –1.1 (P = 0.016; ES = 0.36) and –1.8 (P < 0.001; ES = 0.53) on the PANSS excitability subscale.ConclusionsIn adolescent patients with schizophrenia, lurasidone (37 mg/day and 74 mg/day) demonstrated statistically significant efficacy and clinically meaningful improvement across a wide spectrum of symptoms associated with schizophrenia. Sponsored by Sunovion Pharmaceuticals Inc. ClinicalTrials.gov identifier: NCT01911429.Disclosure of interestDr Correll reports being a consultant and/or advisor for Alkermes, Forum Pharmaceuticals Inc., Gerson Lehrman Group, IntraCellular Therapies, Janssen/J&J, Lundbeck, Medavante, Medscape, Otsuka, Pfizer Inc, ProPhase, Sunovion Pharmaceuticals Inc., Supernus, Takeda, and Teva providing expert testimony for Bristol-Myers Squibb Company, Janssen, and Otsuka serving on a Data Safety Monitoring Board for Lundbeck and Pfizer Inc and receiving grant support from Takeda. Drs Goldman, Cucchiaro, Deng and Loebel are employees of Sunovion Pharmaceuticals Inc.


BMC Neurology ◽  
2021 ◽  
Vol 21 (1) ◽  
Author(s):  
Dulanji K. Kuruppu ◽  
Joshua Tobin ◽  
Yan Dong ◽  
Sheena K. Aurora ◽  
Laura Yunes-Medina ◽  
...  

Abstract Background Galcanezumab is a calcitonin gene-related peptide (CGRP) monoclonal antibody (mAb) indicated for the preventive treatment of migraine. While galcanezumab has demonstrated efficacy in patients who did not respond to prior preventive medications in general, its efficacy in patients who did not benefit from individual, commonly prescribed preventive treatments due to inadequate efficacy or safety/tolerability remains unknown. Methods CONQUER was a 3-month, randomized, double-blind, placebo-controlled, phase 3b study that enrolled patients with episodic or chronic migraine who had 2 to 4 migraine preventive medication category failures in the past 10 years. Patients were randomly assigned 1:1 to receive placebo (N = 230) or galcanezumab 120 mg/month (240 mg loading dose; N = 232). Post hoc analyses were conducted to determine the efficacy of galcanezumab in patients who had not benefited from six of the most commonly prescribed migraine preventive medications. The mean change from baseline in monthly migraine headache days and ≥ 50 % response rates were assessed over months 1–3. Improvement in Migraine-Specific Questionnaire Role Function-Restrictive (MSQ-RFR) scores were assessed at month 3. The endpoints were estimated via mixed model with repeated measures. Results The most common treatment failures due to inadequate efficacy or safety/tolerability, which at least 20 % of patients reported trying without benefit, included topiramate, amitriptyline, propranolol, valproate or divalproex, onabotulinum toxin A, and metoprolol. Patients who had not previously benefited from these treatments had a greater mean reduction in monthly migraine headache days across months 1–3 in the galcanezumab group compared to placebo (all p < 0.01). More patients treated with galcanezumab experienced a ≥ 50 % reduction from baseline in monthly migraine headache days across months 1–3 compared to placebo (all p < 0.05). Galcanezumab-treated patients had a greater improvement in mean MSQ-RFR scores at month 3 compared to placebo (all p < 0.01). Conclusions In this population, galcanezumab was effective in reducing monthly migraine headache days, improving response rates, and enhancing quality of life in patients who had not previously benefited from topiramate, amitriptyline, propranolol, valproate or divalproex, onabotulinum toxin A, and/or metoprolol due to inadequate efficacy or safety/tolerability. Trial registration ClinicalTrials.gov NCT03559257 (CONQUER).



2019 ◽  
Vol 8 ◽  
Author(s):  
Caroline Jensen ◽  
Hanna F. Dale ◽  
Trygve Hausken ◽  
Einar Lied ◽  
Jan G. Hatlebakk ◽  
...  

Abstract A large proportion of older adults are affected by impaired glucose metabolism. Previous studies with fish protein have reported improved glucose regulation in healthy adults, but the evidence in older adults is limited. Therefore, we wanted to assess the effect of increasing doses of a cod protein hydrolysate (CPH) on postprandial glucose metabolism in older adults. The study was a double-blind cross-over trial. Participants received four different doses (10, 20, 30 or 40 mg/kg body weight (BW)) of CPH daily for 1 week with 1-week washout periods in between. The primary outcome was postprandial response in glucose metabolism, measured by samples of serum glucose and insulin in 20 min intervals for 120 min. The secondary outcome was postprandial response in plasma glucagon-like peptide 1 (GLP-1). Thirty-one subjects aged 60–78 years were included in the study. In a mixed-model statistical analysis, no differences in estimated maximum value of glucose, insulin or GLP-1 were observed when comparing the lowest dose of CPH (10 mg/kg BW) with the higher doses (20, 30 or 40 mg/kg BW). The estimated maximum value of glucose was on average 0·28 mmol/l lower when the participants were given 40 mg/kg BW CPH compared with 10 mg/kg BW (P = 0·13). The estimated maximum value of insulin was on average 5·14 mIU/l lower with 40 mg/kg BW of CPH compared with 10 mg/kg BW (P = 0·20). Our findings suggest that serum glucose and insulin levels tend to decrease with increasing amounts of CPH. Due to preliminary findings, the results require further investigation.



CNS Spectrums ◽  
2020 ◽  
Vol 25 (2) ◽  
pp. 287-288
Author(s):  
Kenneth S. Koblan ◽  
Seth Hopkins ◽  
Justine Kent ◽  
Hailong Cheng ◽  
Robert Goldman ◽  
...  

Abstract:Background:SEP-363856 is a novel psychotropic agent that has shown broad efficacy in animal models of schizophrenia and depression. Its antipsychotic effects appear to be mediated by agonist activity at both trace amine-associated receptor 1 (TAAR1) and 5-HT1A receptors. Notably, SEP-363856 does not bind to any dopaminergic, serotonergic (except 5-HT1A), glutamatergic, or other neuroreceptors thought to mediate the effects of currently available antipsychotics. The aim of this study was to evaluate the efficacy and safety of SEP-363856 in acutely symptomatic patients with schizophrenia.Method:Patients aged 18-40 years meeting DSM-5 criteria for schizophrenia (PANSS total score ≥80) were randomized, double-blind, to 4-weeks of flexible-dose SEP-363856 (50 or 75 mg/d) or placebo. Efficacy measures included the Positive and Negative Syndrome Scale (PANSS) total score (primary), PANSS subscale scores, and the Clinical Global Impressions-Severity (CGI-S) score. Change from baseline in primary and secondary measures were analyzed using a mixed model for repeated measures (MMRM) analysis.Results:Study treatment groups were similar at baseline: SEP-363856 (N=120; male, 64.2%; mean age, 30.0 years; PANSS total score, 101.4) and placebo (N=125; male, 63.2%; mean age, 30.6 years; PANSS total score, 99.7). Least-squares (LS) mean reduction from baseline to week 4 was significantly greater for SEP-363856 vs. placebo on the PANSS total score (-17.2 vs. -9.7; P=0.001; effect size, 0.45), PANSS positive subscale score (-5.5 vs. -3.9; P=0.019; effect size, 0.32), PANSS negative subscale score (-3.1 vs. -1.6; P=0.008; effect size, 0.37), PANSS general psychopathology subscale score (-9.0 vs. -4.7; P<0.001; effect size, 0.51), and the CGI-Severity score (-1.0 vs. -0.5; P<0.001; effect size, 0.52). Discontinuation rates for SEP-363856 vs. placebo were similar overall (21.7% vs. 20.8%) and due to an adverse event (8.3% vs. 6.4%). Change in weight, lipids, glucose and prolactin was similar in SEP-363856 and placebo groups. Adverse events occurring with an incidence ≥2% on SEP-363856 or placebo (with SEP-363856 incidence higher than placebo) were: somnolence (6.7% vs. 4.8%), agitation (5.0% vs. 4.8%), nausea (5.0% vs. 3.2%), diarrhea (2.5% vs. 0.8%), and dyspepsia (2.5% vs. 0%). The proportion of patients who reported any extrapyramidal symptom was 3.3% on SEP-363856 and 3.2% on placebo.Conclusion:In this placebo-controlled study, treatment with SEP-363856, a novel psychotropic agent, was associated with statistically significant and clinically meaningful improvement in schizophrenia symptoms as demonstrated by endpoint change in PANSS total and subscale scores, and CGI-Severity scores. Safety and tolerability findings for SEP-363856 were in general similar to placebo. In particular, SEP-363856 was not associated with extrapyramidal symptoms, akathisia, or hyperprolactinemia, consistent with its non-D2 mechanism of action.ClinicalTrials.gov:NCT02969382Funding Acknowledgements:Supported by funding from Sunovion Pharmaceuticals Inc.



2015 ◽  
Vol 30 (1) ◽  
pp. 26-31 ◽  
Author(s):  
A. Loebel ◽  
J. Cucchiaro ◽  
R. Silva ◽  
Y. Mao ◽  
J. Xu ◽  
...  

AbstractObjective:To evaluate the efficacy of lurasidone for schizophrenia using an established five-factor model of the Positive and Negative Syndrome Scale (PANSS).Methods:Patient-level data were pooled from five randomized, double-blind, placebo-controlled, 6-week studies of lurasidone (fixed doses, 40–160 mg/d) for patients with an acute exacerbation of schizophrenia. Changes in five established PANSS factors were assessed using mixed-model repeated measures analysis.Results:Compared with placebo (n = 496), lurasidone (n = 1029, dose groups pooled) significantly improved the PANSS total score at Week 6 (−22.6 vs. −12.8; P < 0.001; effect size, 0.45), as well as all factor scores (P < 0.001 for each): positive symptoms (−8.4 vs. −6.0; effect size, 0.43), negative symptoms (−5.2 vs. −3.3; effect size, 0.33), disorganized thought (−4.9 vs. −2.8; effect size, 0.42), hostility/excitement (−2.7 vs. −1.6; effect size, 0.31), and depression/anxiety (−3.2 vs. −2.3; effect size, 0.31). Separation from placebo occurred at Week 1 for the positive symptoms, disorganized thought, and hostility/excitement factors and at Week 2 for the other factors.Conclusions:In this pooled analysis of short-term studies in patients with acute schizophrenia, lurasidone demonstrated significant improvement for each of the five PANSS factor scores, indicating effectiveness across the spectrum of schizophrenia symptoms.



CNS Spectrums ◽  
2018 ◽  
Vol 23 (1) ◽  
pp. 70-70
Author(s):  
Cynthia Siu ◽  
Andrei Pikalov ◽  
Michael Tocco ◽  
Antony Loebel

AbstractObjectiveTo evaluate the efficacy and safety of lurasidone in the treatment of children and adolescents with bipolar depression presenting with mixed features.MethodsPatients 10 to 17 years of age, inclusive, with a DSM-IV-TR diagnosis of bipolar I depression, were randomized to 6 weeks of double-blind treatment with once-daily, flexible doses of lurasidone 20-80 mg or placebo. The presence of mixed features (subthreshold hypomanic symptoms) was defined as a YMRS score > 5 at study baseline. Efficacy analyses included change from baseline to week 6 in Children Depression Rating Scale, Revised (CDRS-R) score (the primary outcome), and Clinical Global Impressions, Bipolar Severity of Depression Score (CGI-BP-S), using mixed model for repeated measures (MMRM) analysis.ResultsAt baseline, mixed features were present in 54.2% of patients (lurasidone, n=97/173; placebo, n=89/170). Treatment with lurasidone (vs placebo) was associated with significantly greater reductions in CDRS-R scores at week 6 in the mixed features group (-21.5 vs -15.9; P<0.01; effect size, 0.45), and in the group without mixed features (-20.4 vs -14.8; P<0.01; effect size, 0.45). Likewise, lurasidone was associated with greater effect size (vs placebo) for reductions inCGI-BP-S scores at week 6 in the mixed features group (-1.6 vs -1.1; P<0.001; effect size 0.57), and in the group without mixed features (-1.3 vs -1.0; P=0.05; effect size 0.30). Rates of protocol-defined treatment-emergent hypomania or mania were similar for lurasidone and placebo in patients with mixed features(lurasidone 8.2% vs. placebo 9.0%) and without mixed features (lurasidone 1.3% vs. placebo 3.7%).ConclusionsIn this post-hoc analysis, lurasidone was found to be efficacious for treating child and adolescent patients with bipolar depression presenting with mixed features(assessed cross-sectionally at study baseline). There was no increased risk of treatment-emergent mania observed in patients with or without mixed features.Funding AcknowledgementsSunovion Pharmaceuticals Inc.



CNS Spectrums ◽  
2018 ◽  
Vol 23 (1) ◽  
pp. 102-103
Author(s):  
Robert Goldman ◽  
Lenard Adler ◽  
Thomas Spencer ◽  
Robert Findling ◽  
Seth C. Hopkins ◽  
...  

AbstractObjectivesOnce-daily dosing with dasotraline, a novel dopamine and norepinephrine reuptake inhibitor, achieves stable plasma concentrations over 24 hours with once-daily dosing. This study evaluated dasotraline in children aged 6–12 years (NCT02428088).MethodsPatients were randomized 1:1:1 to 6 weeks of once-daily, fixed-dose dasotraline 2 or 4 mg/day, or placebo. The primary efficacy endpoint was change from baseline (CFB) at Week 6 in ADHD Rating Scale Version IV – Home Version (ADHD RS-IV HV) total score, using a mixed model for repeated measures (MMRM) in the intent-to-treat (ITT) population. Secondary endpoints included Clinical Global Impression-Severity (CGI-S) score and safety endpoints.ResultsThe mean age of 342 randomized patients was 9.1 [SD: 1.9] years; 66.7% were male. Overall, 79% of patients completed the study. In the ITT population (N=336), ADHD RS-IV HV total score improved significantly with dasotraline 4 mg/day vs placebo(least squares [LS] mean [SE] CFB at Week 6: –17.53 [±1.31] vs –11.36 [±1.29], respectively, p<0.001; effect size [ES]: 0.48). Inattentiveness and hyperactivity/impulsivity subscale scores significantly improved with 4 mg/day vs placebo at Week 6 (p=0.001, p=0.003, respectively). Improvement in CGI-S score was statistically significant with dasotraline 4 mg/day vs placebo(LS mean [SE] CFB at Week 6: –1.39 [±0.12] vs –1.04 [±0.12], respectively, p=0.040; ES: 0.29). No significant improvement was observed on the ADHD RS-IV HV total score and the CGI-S score for dasotraline 2 mg/day vs placebo. The most frequent treatment-emergent AEs (≥5% and higher than placebo) were (2 mg/day; 4 mg/day; placebo): insomnia (15.3%; 21.7%; 4.3%, all terms combined), decreased appetite (12.6%; 21.7%; 5.2%), weight loss (5.4%; 8.7%; 0%), irritability (3.6%; 7.0%; 6.0%), nasopharyngitis (0.9%; 5.2%; 0.9%), and nausea (0%; 5.2%; 2.6%).ConclusionsCompared with placebo, dasotraline 4 mg/day significantly improved ADHD symptoms in children, as assessed by ADHD RS-IV HV total score and inattentiveness and hyperactivity/impulsivity subscale scores. Dasotraline was generally well tolerated; most common AEs were insomnia, decreased appetite, weight loss and irritability.Funding AcknowledgementsStudy sponsored by Sunovion Pharmaceuticals Inc.



2016 ◽  
Vol 36 (suppl_1) ◽  
Author(s):  
Christie Ballantyne ◽  
Alberico L Catapano ◽  
Michael Davidson ◽  
Robert Mittleman ◽  
Patrick M Moriarty ◽  
...  

Aim: Mipomersen is an antisense oligonucleotide inhibitor of apolipoprotein B-100 synthesis, FDA-approved to treat homozygous familial hypercholesterolemia. The primary objective of this study was to determine whether mipomersen significantly reduced atherogenic lipid levels in patients with severe heterozygous familial hypercholesterolemia (HeFH). Methods: This was a randomized, double-blind, placebo-controlled, parallel-group study comprised of two cohorts (NCT01475825). Cohort 1 had severe HeFH (LDL-C ≥200 mg/dL + coronary heart disease, or LDL-C ≥300 mg/dL) and Cohort 2 had milder HeFH (LDL-C ≥160 and <200 mg/dL). For each cohort, patients were randomized 1:1 to 200 mg SC once weekly or 70 mg SC thrice weekly, then 2:1 to receive mipomersen or placebo for 60 weeks. The primary outcome was percent change from baseline in LDL-C in Cohort 1. The % change from baseline in LDL-C at Week 61 for mipomersen treated patients was compared to placebo using a mixed model for repeated measures (MMRM), as well as by ANCOVA on the value closest to 7 days post last treatment (LOCF). Results: Mean baseline LDL-C levels were 265 mg/dL in Cohort 1 (N=200) and 176 mg/dL in Cohort 2 (N=109). In Cohort 1, mipomersen 200 mg weekly reduced LDL-C levels by -29.7% (vs -7.9% placebo, P <.001) in the mixed model, and by -36.3% (vs -7.6% placebo, P <.001) using the LOCF. Analysis of LDL-C over time (Figure) showed a mean absolute reduction of 138 mg/dL in mipomersen patients who completed the blinded treatment period (n=32), achieving a mean level of 147 mg/dL from a mean 285 mg/dL baseline level. Tolerability to treatment and adverse events were similar between dose regimens. Adverse events were consistent with the drug’s known safety and tolerability profile. Conclusions: The primary analysis showed a significant reduction in LDL-C levels in patients with severe HeFH who received mipomersen 200 mg once weekly versus placebo. A highly relevant absolute reduction in LDL-C was achieved over time.



2019 ◽  
Vol 37 (7_suppl) ◽  
pp. 234-234 ◽  
Author(s):  
Noel W. Clarke ◽  
Antoine Thiery-Vuillemin ◽  
Pawel J. Wiechno ◽  
Boris Alekseev ◽  
Nuria Sala ◽  
...  

234 Background: A Phase II trial showed that addition of olaparib (O) to abiraterone (A) led to significant radiographic progression-free survival benefit for patients (pts) with mCRPC vs placebo (P) + A (hazard ratio [HR] 0.65, 95% confidence interval [CI] 0.44–0.97). We report predefined exploratory HRQoL analyses. Methods: This randomized, double-blind trial enrolled pts with mCRPC, post-docetaxel. Pts were randomized (71 per arm) to receive either O (300 mg bd, tablets) + A (1000 mg od) or P + A; all received prednisone (5 mg bd). Pts completed Functional Assessment of Cancer Therapy-Prostate (FACT-P total score [TS]; range 0–156, higher score = better HRQoL), Brief Pain Inventory–Short Form (BPI-SF) and worst bone pain (wbp) questionnaires (both range 0–10, higher score = more severe pain). Adjusted mean change from baseline was analysed using a mixed model for repeated measures, improvement by logistic regression and deterioration by log-rank test. Results: Overall compliance rates (O + A vs P + A) were 97% vs 96%, 92% vs 85%, and 96% vs 92% for FACT-P, BPI-SF and wbp, respectively. Best FACT-P TS response of ‘improved’ (increase ≥6 points from baseline at two consecutive visits) was reported by 22/67 (33%) evaluable pts in the O + A vs 18/64 (28%) pts in the P + A arm; the odds ratio (1.32; 95% CI 0.64–2.78) favored the O + A arm. Best FACT-P TS response of ‘worsened’ (decrease ≥6 points from baseline) was reported by 15 (22%) vs 22 (34%) pts. Adjusted mean change from baseline in FACT-P TS across all visits was -0.60 vs -2.09 in the O + A and P + A arms, respectively (difference 1.48; 95% CI -3.96–6.92). Time to deterioration (TTD) results are shown in the table. Clinical trial information: NCT01972217. Conclusions: Whilst not statistically significant, in this study a higher percentage of pts treated with O + A vs P + A had improved HRQoL, with fewer pts negatively affected. Ongoing phase III studies will help elucidate the impact of O on HRQoL in pts with mCRPC. (NCT01972217)[Table: see text]



2020 ◽  
Vol 14 (Supplement_1) ◽  
pp. S559-S560
Author(s):  
G R D’Haens ◽  
T Hibi ◽  
M Ferrante ◽  
B R Bhandari ◽  
E Berliba ◽  
...  

Abstract Background Interleukin (IL)-23 is a key cytokine in inflammatory bowel disease pathogenesis. Mirikizumab (miri), a p19-directed IL-23 antibody, demonstrated efficacy and was well-tolerated in patients with moderate-to-severely active ulcerative colitis (UC) during 52 weeks of a Phase 2 randomised clinical trial (AMAC, NCT02589665). The effects of miri on stool frequency (SF) and rectal bleeding (RB) through Week 52 are reported. Methods Patients (Mayo score 6–12 with endoscopic subscore [ES] ≥2) were randomised 1:1:1:1 to receive intravenous (IV) placebo (n = 63), miri 50 mg (n = 63) or 200 mg (n = 62) with possibility of exposure-based (EB) dose increases, or fixed miri 600 mg (n = 61) every 4 weeks (Q4W). Responders to miri at Week 12 (9-point Mayo score decrease ≥2 points and ≥35% change from baseline, with RB=0 or 1 or decrease ≥1) were re-randomised 1:1 into a double-blind maintenance period to receive miri 200 mg subcutaneously (SC) Q4W (n = 47) or every 12 weeks (Q12W; n = 46), and were treated through Week 52. Patients reported UC symptoms, including SF and RB, via a daily diary. Changes from baseline in average Mayo SF and RB subscores at Weeks 2, 4, and 12 were analysed using a mixed model repeated-measures method to account for missingness and baseline characteristics. Results Significant improvement in SF was observed as early as Week 2 in the miri 600 mg Q4W group and as early as Week 4 in the miri 200 mg Q4W group (Figure). Similarly, significant improvement in RB was observed as early as Week 2 in both the miri 200 mg Q4W and 600 mg Q4W groups. Patients who received miri 200 mg Q4W or 600 mg Q4W had a significantly greater reduction in both SF and RB compared with placebo at Week 12 (all p &lt; 0.001) (Figure). Patients who achieved clinical response at Week 12 and were treated with miri 200 mg SC Q4W or SC Q12W maintained a low average SF and RB score at Week 52. Conclusion Significant improvements in SF and RB occurred as early as Week 2 of induction treatment and continued to improve during maintenance treatment with mirikizumab. These data demonstrate the early efficacy and longer-term effects of an IL-23p19 antibody on these patient-reported outcomes.



2019 ◽  
Vol 4 (1) ◽  
Author(s):  
Roberto A Leon-Ferre ◽  
Paul J Novotny ◽  
Eric G Wolfe ◽  
Stephanie S Faubion ◽  
Kathryn J Ruddy ◽  
...  

Abstract Background Hot flashes (HFs) negatively affect quality of life among perimenopausal and postmenopausal women. This study investigated the efficacy of oxybutynin vs placebo in decreasing HFs. Methods In this randomized, multicenter, double-blind study, women with and without breast cancer with 28 or more HFs per week, lasting longer than 30 days, who were not candidates for estrogen-based therapy, were assigned to oral oxybutynin (2.5 mg twice a day or 5 mg twice a day) or placebo for 6 weeks. The primary endpoint was the intrapatient change from baseline in weekly HF score between each oxybutynin dose and placebo using a repeated-measures mixed model. Secondary endpoints included changes in weekly HF frequency, HF-related daily interference scale questionnaires, and self-reported symptoms. Results We enrolled 150 women. Baseline characteristics were well balanced. Mean (SD) age was 57 (8.2) years. Two-thirds (65%) were taking tamoxifen or an aromatase inhibitor. Patients on both oxybutynin doses reported greater reductions in the weekly HF score (5 mg twice a day: −16.9 [SD 15.6], 2.5 mg twice a day: −10.6 [SD 7.7]), placebo −5.7 (SD 10.2); P &lt; .005 for both oxybutynin doses vs placebo), HF frequency (5 mg twice a day: −7.5 [SD 6.6], 2.5 mg twice a day: −4.8 [SD 3.2], placebo: −2.6 [SD 4.3]; P &lt; .003 for both oxybutynin doses vs placebo), and improvement in most HF-related daily interference scale measures and in overall quality of life. Patients on both oxybutynin arms reported more side effects than patients on placebo, particularly dry mouth, difficulty urinating, and abdominal pain. Most side effects were grade 1 or 2. There were no differences in study discontinuation because of adverse effects. Conclusion Oxybutynin is an effective and relatively well-tolerated treatment option for women with HFs.



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