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Younis IR, Hsueh CH, Nelson C, Billin AN, Yue MS, Xiao D, Watkins TR, Othman AA. Effect of Hepatic Impairment on the Pharmacokinetics and Pharmacodynamics of Cilofexor, a Selective Nonsteroidal Farnesoid X Receptor Agonist. J Clin Pharmacol 2023; 63:1017-1025. [PMID: 37128693 DOI: 10.1002/jcph.2260] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2023] [Accepted: 04/27/2023] [Indexed: 05/03/2023]
Abstract
Cilofexor is a nonsteroidal farnesoid X receptor agonist in clinical development for treatment of nonalcoholic steatohepatitis. This work characterized the pharmacokinetics, pharmacodynamics, safety, and tolerability of cilofexor in participants with normal hepatic function or hepatic impairment (HI). Participants with stable mild, moderate, or severe HI (Child-Pugh [CP] A, B, or C, respectively, [n = 10/group]) and healthy matched controls with normal hepatic function received a single oral dose of cilofexor (30 mg for CP-A or B; 10 mg for CP-C) with a standardized meal. Overall, 56 participants received cilofexor and completed the study. Cilofexor area under the plasma concentration-time curve was 76%, 2.5-fold, and 6.3-fold higher in participants with mild, moderate, or severe HI, respectively, relative to the area under the plasma concentration-time curve in matched participants with normal hepatic function. Cilofexor unbound fraction was 38%, 2-fold, and 3.16-fold higher in participants with mild, moderate, and severe HI, respectively, relative to participants with normal hepatic function. Moderate correlations were identified between cilofexor exposure and CP score or laboratory tests components of CP score. Serum 7α-hydroxy-4-cholesten-3-one and plasma fibroblast growth factor 19 were similar in participants with mild, moderate, or severe HI and participants with normal hepatic function. Cilofexor was generally well tolerated; all cilofexor-related adverse events were mild in severity. Cilofexor can be administered to patients with mild HI without dose adjustment. Caution and dose modification are warranted when administering cilofexor to patients with moderate or severe HI.
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Affiliation(s)
| | | | - Cara Nelson
- Gilead Sciences Inc, Foster City, California, USA
| | | | - Mun Sang Yue
- Gilead Sciences Inc, Foster City, California, USA
| | - Deqing Xiao
- Gilead Sciences Inc, Foster City, California, USA
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Hwang M, Fan C, Yue MS, Zhou D, Paturel C, Andre P, Cheng LY, Mitchell P, Kourtesis P, Ruscica D, Das M, Morsli N, Ren S, Gibbs M, Phipps A, Song X. Population Pharmacokinetics of Monalizumab in Patients with Advanced Solid Tumors. J Clin Pharmacol 2023. [PMID: 36852723 DOI: 10.1002/jcph.2220] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2022] [Accepted: 02/15/2023] [Indexed: 03/01/2023]
Abstract
Monalizumab is a novel, first-in-class humanized immunoglobulin G (IgG)-4 monoclonal antibody (mAb) immune checkpoint inhibitor that targets the inhibitory CD94/NKG2A receptors. The objectives of this analysis were to develop a population pharmacokinetic (PK) model of monalizumab, evaluate the impact of clinically relevant covariates on monalizumab PK, and provide dose justification for clinical trials. We developed a monalizumab population PK model to characterize the PK properties of monalizumab in patients with advanced solid tumors or head and neck squamous cell carcinoma. Data from clinical studies D419NC00001 (NCT02671435) and IPH2201-203 (NCT02643550) were pooled for the analysis, resulting in a dataset of 3066 PK samples derived from 507 subjects. The PK of monalizumab were reasonably described by a 2-compartment model with first-order elimination. Monalizumab generally exhibited linear PK over a dose range of 22.5-750 mg or 10 mg/kg every 2 weeks. The estimate of clearance was approximately 0.255 L/day and apparent volume of distribution was 6.36 L for a typical individual, consistent with previous findings for endogenous IgGs and other therapeutic mAbs. Baseline albumin and body weight were identified as significant covariates of clearance; body weight, sex, and smoking status had a significant impact on volume of distribution; and none of these covariates had impact on peripheral volume of distribution. Although these covariates were identified as statistically significant, they are considered to be not clinically meaningful, as changes in monalizumab exposure were less than 30%. Therefore, no dose adjustments of monalizumab based on patient or disease characteristics is recommended. This article is protected by copyright. All rights reserved.
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Affiliation(s)
- Michael Hwang
- Clinical Pharmacology & Quantitative Pharmacology, BioPharmaceuticals R&D, AstraZeneca, South San Francisco, CA, USA
| | - Chunling Fan
- Clinical Pharmacology & Quantitative Pharmacology, BioPharmaceuticals R&D, AstraZeneca, Gaithersburg, MD, USA
| | | | - Diansong Zhou
- Clinical Pharmacology & Quantitative Pharmacology, BioPharmaceuticals R&D, AstraZeneca, Waltham, MA, USA
| | | | | | - Lin-Yang Cheng
- Biometrics, Oncology R&D, AstraZeneca, Gaithersburg, MD, USA
| | | | | | - Dario Ruscica
- Global Clinical Strategy, Oncology R&D, AstraZeneca, Cambridge, UK
| | - Mayukh Das
- Early Clinical Development, Oncology R&D, AstraZeneca, Gaithersburg, MD, USA
| | - Nassim Morsli
- Global Clinical Strategy, Oncology R&D, AstraZeneca, Cambridge, UK
| | - Song Ren
- Clinical Pharmacology & Quantitative Pharmacology, BioPharmaceuticals R&D, AstraZeneca, Gaithersburg, MD, USA
| | - Megan Gibbs
- Clinical Pharmacology & Quantitative Pharmacology, BioPharmaceuticals R&D, AstraZeneca, Waltham, MA, USA
| | - Alex Phipps
- Clinical Pharmacology & Quantitative Pharmacology, BioPharmaceuticals R&D, AstraZeneca, Cambridge, UK
| | - Xuyang Song
- Clinical Pharmacology & Quantitative Pharmacology, BioPharmaceuticals R&D, AstraZeneca, Gaithersburg, MD, USA
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Indolfi G, Kelly D, Nebbia G, Iorio R, Mania A, Giacomet V, Szenborn L, Shao J, Sang Yue M, Hsueh CH, Parhy B, Kersey K, Mangia A, Pawlowska M, Bansal S. Sofosbuvir-velpatasvir-voxilaprevir in adolescents 12 to 17 years old with HCV infection. Hepatology 2022; 76:445-455. [PMID: 35112372 DOI: 10.1002/hep.32393] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/20/2021] [Revised: 12/21/2021] [Accepted: 12/27/2021] [Indexed: 12/24/2022]
Abstract
BACKGROUND AND AIMS Sofosbuvir-velpatasvir-voxilaprevir is a pangenotypic regimen for chronic HCV infection. In the USA and Europe, sofosbuvir-velpatasvir-voxilaprevir once daily for 12 weeks is indicated for adults who previously received an HCV NS5A inhibitor. In Europe, sofosbuvir-velpatasvir-voxilaprevir is also indicated in the absence of prior HCV direct-acting antiviral (DAA) therapy as an 8-week or 12-week regimen. In an open-label study, we evaluated the safety, efficacy, and pharmacokinetics of sofosbuvir-velpatasvir-voxilaprevir in adolescents 12 to 17 years with chronic HCV of any genotype. METHODS In this Phase 2, multicenter study, sofosbuvir-velpatasvir-voxilaprevir 400/100/100 mg daily was administered to adolescents for 8 weeks if DAA-naïve or for 12 weeks for cirrhosis or prior DAA failure. The key efficacy endpoint was sustained virologic response 12 weeks after therapy (SVR12). Intensive pharmacokinetic sampling was done in 14 patients at week 2 or 4, and samples for population pharmacokinetics were collected in all patients. RESULTS All patients (n = 21) were naïve to HCV DAAs, and none had cirrhosis. HCV genotype 3a infection was most common, occurring in 43% of patients. Overall, 100% of patients (21 of 21) reached SVR12. The most common adverse events were abdominal pain and headache (24% each) and nausea (19%); no adverse events led to discontinuation. The only serious adverse event, hypotension, was considered related to study drug and resolved the same day without interruption of treatment. Sofosbuvir-velpatasvir-voxilaprevir exposures were similar to those observed in adults. CONCLUSIONS The pangenotypic regimen of sofosbuvir-velpatasvir-voxilaprevir is highly efficacious and well-tolerated in treating chronic HCV infection in adolescents.
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Affiliation(s)
- Guiseppe Indolfi
- Department NEUROFARBA, Meyer Children's University Hospital, University of Florence, Florence, Italy
| | - Deirdre Kelly
- Birmingham Women's and Children's Hospital, University of Birmingham, Birmingham, UK
| | - Gabriella Nebbia
- Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico, Milan, Italy
| | | | - Anna Mania
- Karol Marcinkowski University of Medical Sciences, Poznań, Poland
| | | | | | - Jiang Shao
- Gilead Sciences, Inc, Foster City, California, USA
| | - Mun Sang Yue
- Gilead Sciences, Inc, Foster City, California, USA
| | | | | | | | - Alessandra Mangia
- Ospedale Casa Sollievo della Sofferenza, San Giovanni Rotondo, Italy
| | - Malgorzata Pawlowska
- Collegium Medicum in Bydgoszcz Nicolaus Copernicus University in Toruń, Toruń, Poland
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Gaur AH, Cotton MF, Rodriguez CA, McGrath EJ, Helström E, Liberty A, Natukunda E, Kosalaraksa P, Chokephaibulkit K, Maxwell H, Wong P, Porter D, Majeed S, Yue MS, Graham H, Martin H, Brainard DM, Pikora C. Fixed-dose combination bictegravir, emtricitabine, and tenofovir alafenamide in adolescents and children with HIV: week 48 results of a single-arm, open-label, multicentre, phase 2/3 trial. Lancet Child Adolesc Health 2021; 5:642-651. [PMID: 34302760 DOI: 10.1016/s2352-4642(21)00165-6] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/03/2020] [Revised: 05/21/2021] [Accepted: 05/26/2021] [Indexed: 01/07/2023]
Abstract
BACKGROUND Bictegravir is a potent integrase strand-transfer inhibitor (INSTI) with a high genetic barrier to resistance. Bictegravir, coformulated with emtricitabine and tenofovir alafenamide, is recommended by key European and US HIV treatment guidelines as the preferred single-tablet regimen for adults and adolescents. The aim of this study was to assess the pharmacokinetics, safety, and efficacy of switching to this regimen in virologically suppressed children and adolescents with HIV. METHODS In this single-arm, open-label trial, we enrolled virologically suppressed children and adolescents (aged 6 to <18 years) with HIV at 22 hospital clinics in South Africa, Thailand, Uganda, and the USA. Eligible participants had a bodyweight of at least 25 kg, were virologically suppressed (HIV-1 RNA <50 copies per mL) on a stable ART regimen for at least 6 months before screening, had a CD4 count of at least 200 cells per μL, and an estimated glomerular filtration rate of at least 90 mL/min per 1·73 m2 by the Schwartz formula at screening. All participants received the fixed-dose regimen of coformulated bictegravir 50 mg, emtricitabine 200 mg, and tenofovir alafenamide 25 mg once daily. Pharmacokinetic analysis was used for dosing confirmation, and results compared with adult values. The primary outcomes were area under the curve at the end of the dosing interval (AUCtau) and concentration at the end of the dosing interval (Ctau) of bictegravir, and incidence of treatment-emergent adverse events and laboratory abnormalities at week 24. Efficacy and safety analyses included all participants who received at least one dose of study drug. We report the 48-week results. This study is registered with ClinicalTrials.gov, NCT02881320. FINDINGS Between Sept 29, 2016 and Feb 16, 2018, we enrolled 102 participants. 100 participants received bictegravir, emtricitabine, and tenofovir alafenamide (cohort 1 [adolescents aged 12 to <18 years], n=50; cohort 2 [children aged 6 to <12 years], n=50). The mean bictegravir AUCtau was 89 100 ng × h/mL (coefficient of variation 31·0%) in adolescents (cohort 1) and 128 000 ng × h/mL (27·8%) in children (cohort 2). Compared with adults, bictegravir Ctau was 35% lower in adolescents and 11% lower in children. The 90% CIs of both parameters were within the predefined pharmacokinetic equivalence boundary and within overall range of exposures observed in adults and deemed to be safe and efficacious (geometric least-squares mean ratio [GLSM] 86·3% [90% CI 80·0-93·0] for AUCtau and 65·4% [58·3-73·3] for Ctau in adolescents; GLSM 125% [90% CI 117-134] for AUCtau and 88·9% [80·6-98·0] for Ctau for children). Bictegravir, emtricitabine, and tenofovir alafenamide was well tolerated; most adverse events were grade 2 or less in severity and no study drug-related serious adverse events were reported. One participant discontinued study drug due to adverse events (grade 2 insomnia and anxiety). Virological suppression (HIV-1 RNA <50 copies per mL) was maintained by all 100 participants at week 24 and by 98 (98%) of 100 at week 48; no participants had treatment-emergent resistance. INTERPRETATION In adolescents and children with HIV, the bictegravir, emtricitabine, and tenofovir alafenamide single-tablet regimen was well tolerated and maintained virological suppression. Our data support the treatment of HIV in adolescents and children with this single-tablet regimen. At present, the single-tablet regimen is recommended as first-line treatment in the USA for adolescents and as an alternative regimen in children and has the potential to represent an important regimen in the paediatric population. FUNDING Gilead Sciences.
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Affiliation(s)
- Aditya H Gaur
- Department of Infectious Diseases, St Jude Children's Research Hospital, Memphis, TN, USA.
| | - Mark F Cotton
- Department of Paediatrics and Child Health, Family Centre for Research with Ubuntu, Stellenbosch University, Tygerberg Hospital, Cape Town, South Africa
| | - Carina A Rodriguez
- Department of Pediatrics, Division of Infectious Diseases, Morsani College of Medicine, University of South Florida, Tampa, FL, USA
| | - Eric J McGrath
- Department of Pediatrics, School of Medicine, Wayne State University, Detroit, MI, USA
| | | | - Afaaf Liberty
- Chris Hani Baragwanath Academic Hospital, Soweto, South Africa
| | | | | | - Kulkanya Chokephaibulkit
- Department of Pediatrics and Siriraj Institute of Clinical Research, Faculty of Medicine, Siriraj Hospital, Mahidol University, Bangkok, Thailand
| | - Heather Maxwell
- Department of Portfolio Project Management, Gilead Sciences, Foster City, CA, USA
| | - Pamela Wong
- Department of Biometrics, Gilead Sciences, Foster City, CA, USA
| | - Danielle Porter
- Department of Virology, Gilead Sciences, Foster City, CA, USA
| | - Sophia Majeed
- Department of Clinical Pharmacology, Gilead Sciences, Foster City, CA, USA
| | - Mun Sang Yue
- Department of Clinical Pharmacology, Gilead Sciences, Foster City, CA, USA
| | - Hiba Graham
- Department of Virology Clinical Research, Gilead Sciences, Foster City, CA, USA
| | - Hal Martin
- Department of Virology Clinical Research, Gilead Sciences, Foster City, CA, USA
| | - Diana M Brainard
- Department of Virology Clinical Research, Gilead Sciences, Foster City, CA, USA
| | - Cheryl Pikora
- Department of Virology Clinical Research, Gilead Sciences, Foster City, CA, USA
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Kirby BJ, Lutz JD, Yue MS, Garrison KL, Qin ARR, Ampaw L, Beysen C, Myers RP, Kearney BP, Mathias A. Organic Anion Transporting Polypeptide Inhibition Dramatically Increases Plasma Exposure but not Pharmacodynamic Effect nor Inferred Hepatic Intracellular Exposure of Firsocostat. Clin Pharmacol Ther 2020; 109:1334-1341. [PMID: 33141923 DOI: 10.1002/cpt.2105] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2020] [Accepted: 10/22/2020] [Indexed: 01/06/2023]
Abstract
Firsocostat (FIR: previously GS-0976), a highly sensitive OATP substrate, reduces hepatic de novo lipogenesis (DNL) by inhibiting acetyl-CoA carboxylases (ACC). Measuring the pharmacodynamic (PD) efficacy of FIR on DNL provides a unique opportunity to determine optimal dosing strategies for liver-targeted OATP substrates in settings of altered OATP function. A randomized, four-way crossover drug-drug interaction study was conducted. Hepatic DNL, a marker for ACC activity, was measured in 28 healthy volunteers after reference, single dose FIR 10 mg, FIR 10 mg plus the OATP inhibitor rifampin (RIF) 300 mg i.v., or RIF 300 mg i.v. (control for DNL effect of RIF), each separated by a 7-day washout. Samples were collected for pharmacokinetic (PK) and PD assessments through 24 hours after each treatment. Hepatic DNL and its inhibition by FIR were assessed. Twenty-four subjects completed the study. All adverse events were mild. RIF alone increased hepatic DNL area under the effect curve from time of administration up to the time of the last quantifiable concentration (AUEClast ; 35.7%). Despite a 5.2-fold increase in FIR plasma exposure (area under the concentration-time curve from zero to infinity (AUCinf )) when administered with RIF, FIR alone, and FIR + RIF had the same hepatic PD effect, 37.1% and 34.9% reduction in DNL AUEClast , respectively, compared with their respective controls. These findings indicate that large decreases in OATP activity do not alter hepatic intracellular exposure (as inferred by no change in PD) for drugs that are primarily eliminated hepatically and permeability rate-limited, such as FIR. These results support PK theory that has been difficult to test and provide practical guidance on administration of liver-targeted drugs in settings of reduced OATP function.
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Affiliation(s)
- Brian J Kirby
- Department of Clinical Pharmacology, Gilead Sciences Inc., Foster City, California, USA
| | - Justin D Lutz
- Department of Clinical Pharmacology, Gilead Sciences Inc., Foster City, California, USA
| | - Mun Sang Yue
- Department of Clinical Pharmacology, Gilead Sciences Inc., Foster City, California, USA
| | - Kimberly L Garrison
- Department of Clinical Pharmacology, Gilead Sciences Inc., Foster City, California, USA
| | - Ann Ran-Ran Qin
- Department of Clinical Pharmacology, Gilead Sciences Inc., Foster City, California, USA
| | - Lorraine Ampaw
- Department of Clinical Operations, Gilead Sciences Inc., Foster City, California, USA
| | | | - Robert P Myers
- Department of Clinical Research, Gilead Sciences Inc., Foster City, California, USA
| | - Brian P Kearney
- Department of Clinical Pharmacology, Gilead Sciences Inc., Foster City, California, USA
| | - Anita Mathias
- Department of Clinical Pharmacology, Gilead Sciences Inc., Foster City, California, USA
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Eloyan A, Yue MS, Khachatryan D. Tumor heterogeneity estimation for radiomics in cancer. Stat Med 2020; 39:4704-4723. [PMID: 32964647 DOI: 10.1002/sim.8749] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2019] [Revised: 07/15/2020] [Accepted: 08/18/2020] [Indexed: 12/12/2022]
Abstract
Radiomics is an emerging field of medical image analysis research where quantitative measurements are obtained from radiological images that can be utilized to predict patient outcomes and inform treatment decisions. Cancer patients routinely undergo radiological evaluations when images of various modalities including computed tomography, positron emission tomography, and magnetic resonance images are collected for diagnosis and for evaluation of disease progression. Tumor characteristics, often referred to as measures of tumor heterogeneity, can be computed using these clinical images and used as predictors of disease progression and patient survival. Several approaches for quantifying tumor heterogeneity have been proposed, including intensity histogram-based measures, shape and volume-based features, and texture analysis. Taking into account the topology of the tumors we propose a statistical framework for estimating tumor heterogeneity using clustering based on Markov random field theory. We model the voxel intensities using a Gaussian mixture model using a Gibbs prior to incorporate voxel neighborhood information. We propose a novel approach to choosing the number of mixture components. Subsequently, we show that the proposed procedure outperforms the existing approaches when predicting lung cancer survival.
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Affiliation(s)
- Ani Eloyan
- Department of Biostatistics, Brown University, Providence, Rhode Island, USA
| | - Mun Sang Yue
- Department of Biostatistics, Gilead Sciences Inc., Foster City, California, USA
| | - Davit Khachatryan
- Division of Mathematics and Science, Babson College, Babson Park, Massachusetts, USA
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Tremont G, Davis JD, Papandonatos GD, Ott BR, Fortinsky RH, Gozalo P, Yue MS, Bryant K, Grover C, Bishop DS. Psychosocial telephone intervention for dementia caregivers: A randomized, controlled trial. Alzheimers Dement 2015; 11:541-8. [PMID: 25074341 PMCID: PMC4306648 DOI: 10.1016/j.jalz.2014.05.1752] [Citation(s) in RCA: 62] [Impact Index Per Article: 6.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2014] [Revised: 04/24/2014] [Accepted: 05/31/2014] [Indexed: 12/31/2022]
Abstract
BACKGROUND Identifying effective and accessible interventions for dementia caregivers is critical as dementia prevalence increases. OBJECTIVE Examine the effects of a telephone-based intervention on caregiver well-being. DESIGN Randomized, controlled trial. SETTING Academic medical center. PARTICIPANTS Two hundred and fifty distressed, family, dementia caregivers. INTERVENTION Caregivers randomized to receive 16 telephone contacts over 6 months of either the Family Intervention: Telephone Tracking-Caregiver (FITT-C) or Telephone Support (TS). OUTCOME Primary outcome variables were family caregivers' depressive symptoms, burden, and reactions to care recipients' behavior problems at 6 months. RESULTS The FITT-C intervention resulted in significantly improved caregiver depressive symptoms (P = .003; 27% net improvement) and less severe reactions to care-recipient depressive behaviors (P = .009; 29% net improvement) compared with the control condition (TS). CONCLUSION An entirely telephone-based intervention improves caregivers' depressive symptoms and reactions to behavior problems in the care recipient and is comparable with reported results of face-to-face interventions.
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Affiliation(s)
- Geoffrey Tremont
- Department of Psychiatry, Rhode Island Hospital, Providence, RI, USA; Department of Psychiatry and Human Behavior, Alpert Medical School of Brown University, Providence, RI, USA.
| | - Jennifer D Davis
- Department of Psychiatry, Rhode Island Hospital, Providence, RI, USA; Department of Psychiatry and Human Behavior, Alpert Medical School of Brown University, Providence, RI, USA
| | - George D Papandonatos
- Department of Biostatistics, Center for Statistical Sciences Brown University, Providence, RI, USA
| | - Brian R Ott
- Department of Neurology, Rhode Island Hospital, Providence, RI, USA; Department of Neurology, Alpert Medical School of Brown University, Providence, RI, USA
| | - Richard H Fortinsky
- Department of Medicine, UConn Center on Aging, University of Connecticut School of Medicine, Farmington, CT, USA
| | - Pedro Gozalo
- Department of Health Services, Policy & Practice, Center for Gerontology and Health Care Research, Brown University, Providence, RI, USA
| | - Mun Sang Yue
- Department of Biostatistics, Center for Statistical Sciences Brown University, Providence, RI, USA
| | - Kimberly Bryant
- Department of Psychiatry, Rhode Island Hospital, Providence, RI, USA
| | - Christine Grover
- Department of Psychiatry, Rhode Island Hospital, Providence, RI, USA
| | - Duane S Bishop
- Department of Psychiatry, Rhode Island Hospital, Providence, RI, USA
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