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Chang CY, Jones BL, Hincapie-Castillo JM, Park H, Heldermon CD, Diaby V, Wilson DL, Lo-Ciganic WH. Association between trajectories of adherence to endocrine therapy and risk of treated breast cancer recurrence among US nonmetastatic breast cancer survivors. Br J Cancer 2024; 130:1943-1950. [PMID: 38637603 PMCID: PMC11183212 DOI: 10.1038/s41416-024-02680-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2023] [Revised: 03/26/2024] [Accepted: 04/03/2024] [Indexed: 04/20/2024] Open
Abstract
BACKGROUND Endocrine therapy is the mainstay treatment for breast cancer (BC) to reduce BC recurrence risk. During the first year of endocrine therapy use, nearly 30% of BC survivors are nonadherent, which may increase BC recurrence risk. This study is to examine the association between endocrine therapy adherence trajectories and BC recurrence risk in nonmetastatic BC survivors. METHODS This retrospective cohort study included Medicare beneficiaries in the United States (US) with incident nonmetastatic BC followed by endocrine therapy initiation in 2010-2019 US Surveillance, Epidemiology, and End Results linked Medicare data. We calculated monthly fill-based proportion of days covered in the first year of endocrine therapy. We applied group-based trajectory models to identify distinct endocrine therapy adherence patterns. After the end of the first-year endocrine therapy trajectory measurement period, we estimated the risk of time to first treated BC recurrence within 4 years using Cox proportional hazards models. RESULTS We identified 5 trajectories of adherence to endocrine therapy in BC Stages 0-I subgroup (n = 28,042) and in Stages II-III subgroup (n = 7781). A trajectory of discontinuation before 6 months accounted for 7.0% in Stages 0-I and 5.8% in Stages II-III subgroups, and this trajectory was associated with an increased treated BC recurrence risk compared to nearly perfect adherence (Stages 0-I: adjusted hazard [aHR] = 1.84, 95% CI = 1.46-2.33; Stages II-III: aHR = 1.38, 95% CI = 1.07-1.77). CONCLUSIONS Nearly 7% of BC survivors who discontinued before completing 6 months of treatment was associated with an increased treated BC recurrence risk compared to those with nearly perfect adherence among Medicare nonmetastatic BC survivors.
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Affiliation(s)
- Ching-Yuan Chang
- Department of Pharmaceutical Outcomes & Policy, College of Pharmacy, University of Florida, Gainesville, FL, 32611, USA
| | - Bobby L Jones
- Department of Pharmaceutical Outcomes & Policy, College of Pharmacy, University of Florida, Gainesville, FL, 32611, USA
| | | | - Haesuk Park
- Department of Pharmaceutical Outcomes & Policy, College of Pharmacy, University of Florida, Gainesville, FL, 32611, USA
- Center for Drug Evaluation and Safety, College of Pharmacy, University of Florida, Gainesville, FL, 32611, USA
| | - Coy D Heldermon
- Department of Medicine, College of Medicine, University of Florida, Gainesville, FL, 32611, USA
| | - Vakaramoko Diaby
- Department of Pharmaceutical Outcomes & Policy, College of Pharmacy, University of Florida, Gainesville, FL, 32611, USA
- Center for Drug Evaluation and Safety, College of Pharmacy, University of Florida, Gainesville, FL, 32611, USA
| | - Debbie L Wilson
- Department of Pharmaceutical Outcomes & Policy, College of Pharmacy, University of Florida, Gainesville, FL, 32611, USA
| | - Wei-Hsuan Lo-Ciganic
- Division of General Internal Medicine, School of Medicine, University of Pittsburgh, Pittsburgh, PA, 15213, USA.
- Center for Pharmaceutical Prescribing and Policy, University of Pittsburgh, Pittsburgh, PA, 15213, USA.
- North Florida/South Georgia Veterans Health System; Geriatric Research Education and Clinical Center, Gainesville, FL, USA.
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Eliassen FM, Blåfjelldal V, Helland T, Hjorth CF, Hølland K, Lode L, Bertelsen BE, Janssen EAM, Mellgren G, Kvaløy JT, Søiland H, Lende TH. Importance of endocrine treatment adherence and persistence in breast cancer survivorship: a systematic review. BMC Cancer 2023; 23:625. [PMID: 37403065 DOI: 10.1186/s12885-023-11122-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2023] [Accepted: 06/28/2023] [Indexed: 07/06/2023] Open
Abstract
PURPOSE Adjuvant endocrine treatment is essential for treating luminal subtypes of breast cancer, which constitute 75% of all breast malignancies. However, the detrimental side effects of treatment make it difficult for many patients to complete the guideline-required treatment. Such non-adherence may jeopardize the lifesaving ability of anti-estrogen therapy. In this systematic review, we aimed to assess the consequences of non-adherence and non-persistence from available studies meeting strict statistical and clinical criteria. METHODS A systematic literature search was performed using several databases, yielding identification of 2,026 studies. After strict selection, 14 studies were eligible for systematic review. The review included studies that examined endocrine treatment non-adherence (patients not taking treatment as prescribed) or non-persistence (patients stopping treatment prematurely), in terms of the effects on event-free survival or overall survival among women with non-metastatic breast cancer. RESULTS We identified 10 studies measuring the effects of endocrine treatment non-adherence and non-persistence on event-free survival. Of these studies, seven showed significantly poorer survival for the non-adherent or non-persistent patient groups, with hazard ratios (HRs) ranging from 1.39 (95% CI, 1.07 to 1.53) to 2.44 (95% CI, 1.89 to 3.14). We identified nine studies measuring the effects of endocrine treatment non-adherence and non-persistence on overall survival. Of these studies, seven demonstrated significantly reduced overall survival in the groups with non-adherence and non-persistence, with HRs ranging from 1.26 (95% CI, 1.11 to 1.43) to 2.18 (95% CI, 1.99 to 2.39). CONCLUSION The present systematic review demonstrates that non-adherence and non-persistence to endocrine treatment negatively affect event-free and overall survival. Improved follow-up, with focus on adherence and persistence, is vital for improving health outcomes among patients with non-metastatic breast cancer.
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Affiliation(s)
- Finn Magnus Eliassen
- Department of Surgery, Stavanger University Hospital, PO Box 8100, 4068, Stavanger, Norway.
| | - Vibeke Blåfjelldal
- Department of Surgery, Stavanger University Hospital, PO Box 8100, 4068, Stavanger, Norway
| | - Thomas Helland
- Hormone Laboratory, Department of Medical Biochemistry and Pharmacology, Haukeland University Hospital, Bergen, Norway
- Department of Clinical Science, University of Bergen, Bergen, Norway
| | - Cathrine Fonnesbech Hjorth
- Department of Clinical Epidemiology, Department of Clinical Medicine, Aarhus University Hospital, Aarhus University, Aarhus, Denmark
| | - Kari Hølland
- Division of Research, University of Stavanger, Stavanger, Norway
| | - Lise Lode
- Department of Gastrointestinal Surgery, Hvidovre Hospital, Copenhagen, Denmark
| | - Bjørn-Erik Bertelsen
- Hormone Laboratory, Department of Medical Biochemistry and Pharmacology, Haukeland University Hospital, Bergen, Norway
| | - Emiel A M Janssen
- Department of Pathology, Stavanger University Hospital, PO Box 8100, 4068, Stavanger, Norway
- Department of Chemistry, Biosciences and Environmental Engineering, University of Stavanger, Stavanger, Norway
| | - Gunnar Mellgren
- Hormone Laboratory, Department of Medical Biochemistry and Pharmacology, Haukeland University Hospital, Bergen, Norway
- Department of Clinical Science, University of Bergen, Bergen, Norway
| | - Jan Terje Kvaløy
- Department of Research, Stavanger University Hospital, PO Box 8100, 4068, Stavanger, Norway
- Department of Mathematics and Physics, University of Stavanger, Stavanger, Norway
| | - Håvard Søiland
- Department of Clinical Science, University of Bergen, Bergen, Norway
- Department of Research, Stavanger University Hospital, PO Box 8100, 4068, Stavanger, Norway
| | - Tone Hoel Lende
- Department of Surgery, Stavanger University Hospital, PO Box 8100, 4068, Stavanger, Norway
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Song Q, Hu Y, Ni C, Yin Z. The Hidden Patient Connections: Predicting Hormonal Therapy Medication Discontinuation Using Hypergraph Neural Network on Clinical Communications. AMIA JOINT SUMMITS ON TRANSLATIONAL SCIENCE PROCEEDINGS. AMIA JOINT SUMMITS ON TRANSLATIONAL SCIENCE 2023; 2023:505-514. [PMID: 37350877 PMCID: PMC10283142] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Subscribe] [Scholar Register] [Indexed: 06/24/2023]
Abstract
Hormonal therapy is an important adjuvant treatment for breast cancer patients, but medication discontinuation of such therapy is not uncommon. The goal of this paper is to conduct research on the modeling of clinic communications, which have shown value in understanding medication discontinuation, to predict the discontinuation of hormonal therapy medications. Notably, we leveraged the Hypergraph Neural Network to capture the hidden connections of patients that were inferred from clinical communications. Combining the content of clinical communications as well as the demographics, insurance, and cancer stage information, our model achieved an AUC of 67.9%, which significantly outperformed other baselines such as Graph Convolutional Network (65.3%), Random Forest (62.7%), and Support Vector Machine (62.8%). Our study suggested that incorporating the hidden patient connections encoded in clinical communications into prediction models could boost their performance. Future research would consider combining structured medical records and clinical communications to better predict medication discontinuation.
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Affiliation(s)
| | - Yunfei Hu
- Vanderbilt University, Nashville, Tennessee, USA
| | - Congning Ni
- Vanderbilt University, Nashville, Tennessee, USA
| | - Zhijun Yin
- Vanderbilt University, Nashville, Tennessee, USA
- Vanderbilt University Medical Center, Nashville, Tennessee, USA
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4
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An D, Choi J, Lee J, Kim JY, Kwon S, Kim J, Lee S, Jeon S, Lee C, Lee S, Woo H. Time to surgery and survival in breast cancer. BMC Surg 2022; 22:388. [PMID: 36369022 PMCID: PMC9652796 DOI: 10.1186/s12893-022-01835-1] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2022] [Accepted: 10/17/2022] [Indexed: 11/13/2022] Open
Abstract
Background This study aimed to investigate the effect of the time from diagnosis to breast cancer surgery on breast cancer patients’ prognosis.
Methods Of the 1900 patients diagnosed with invasive (stage 1–3) breast cancer who underwent surgery in KUH between 2012 and 2019, 279 patients were enrolled in this study. All patients, including those who received neoadjuvant chemotherapy, were classified as Model 1 subjects, and those who received immediate surgical treatment were classified as Model 2 subjects. We conducted a Cox regression analysis to identify prognostic factors of breast cancer associated with the time from diagnosis to surgery. Results The univariate results indicated a sharp drop in both groups’ survival rates when the time to surgery was delayed for more than 8 weeks (Model 1 p = 0.000; Model 2 p = 0.001). In the multivariate analysis, the hazard ratio (HR) of Model 1increased (HR = 6.84, 95% CI 1.06–44.25) in response to a delay in surgery of more than 8 weeks. Smoking and the American Joint Committee on Cancer (AJCC) staging system had a negative effect on breast cancer prognosis, while hormone therapy had a positive effect. Conclusion For all patients, a delay in breast cancer surgery of more than 8 weeks was inversely associated with survival.
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En‐nasery ‐ de Heer S, Tromp VNMF, Westerman MJ, Konings I, Beckeringh JJ, Boons CLM, Timmers L, Hugtenburg JG. Patient experiences and views on pharmaceutical care during adjuvant endocrine therapy for breast cancer: A qualitative study. Eur J Cancer Care (Engl) 2022; 31:e13749. [PMID: 36300863 PMCID: PMC9786726 DOI: 10.1111/ecc.13749] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2022] [Revised: 09/24/2022] [Accepted: 10/09/2022] [Indexed: 12/30/2022]
Abstract
OBJECTIVE The use of adjuvant endocrine therapy (AET) after primary treatment of hormone receptor-positive breast cancer reduces the risk of recurrence and mortality. However, non-adherence is still common. Limited consideration has been given to how users deal with AET and the role of pharmaceutical care. Therefore, this study aims to obtain insight into the needs and wishes of women using AET regarding pharmaceutical care and eHealth. METHODS This is a qualitative explorative study comprising semi-structured interviews (n = 16) and a focus group (n = 5) among women who use or used AET after primary early-stage breast cancer (EBC) treatment using a thematic analysis approach. RESULTS Three themes emerged from the interviews and focus group: (1) experiences with AET use, (2) experiences with provided information and (3) needs and wishes regarding pharmaceutical care. Most women were highly motivated to use AET and indicated to have received useful information on AET. However, many expressed a strong need for more elaborate tailored and timely provided information on AET. They acknowledged the accessibility of pharmacists but reported that currently, pharmacists are hardly involved in AET care. Several women considered eHealth useful to obtain counselling and reliable information. CONCLUSION Women need more comprehensive information and follow-up in primary setting after initial cancer treatments. A more elaborate role for the pharmacy and eHealth/mHealth, especially with regard to counselling on side effects and side effect management, could potentially improve pharmaceutical care.
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Affiliation(s)
- Selma En‐nasery ‐ de Heer
- Department of Clinical Pharmacology and PharmacyAmsterdam UMC, Location VUmcAmsterdamThe Netherlands,Amsterdam Public Health Research InstituteAmsterdam UMC, Location VUmcAmsterdamThe Netherlands
| | - Vashti N. M. F. Tromp
- Department of Clinical Pharmacology and PharmacyAmsterdam UMC, Location VUmcAmsterdamThe Netherlands,Amsterdam Public Health Research InstituteAmsterdam UMC, Location VUmcAmsterdamThe Netherlands
| | - Marjan J. Westerman
- Department of Epidemiology and Data ScienceAmsterdam UMC, Location VUmcAmsterdamThe Netherlands
| | - Inge Konings
- Department of Medical Oncology, Cancer Center AmsterdamAmsterdam UMC, Location VUmcAmsterdamThe Netherlands
| | | | - Christel L. M. Boons
- Department of Clinical Pharmacology and PharmacyAmsterdam UMC, Location VUmcAmsterdamThe Netherlands,Amsterdam Public Health Research InstituteAmsterdam UMC, Location VUmcAmsterdamThe Netherlands
| | - Lonneke Timmers
- Department of Clinical Pharmacology and PharmacyAmsterdam UMC, Location VUmcAmsterdamThe Netherlands
| | - Jacqueline G. Hugtenburg
- Department of Clinical Pharmacology and PharmacyAmsterdam UMC, Location VUmcAmsterdamThe Netherlands,Amsterdam Public Health Research InstituteAmsterdam UMC, Location VUmcAmsterdamThe Netherlands
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Persistence with tamoxifen and aromatase inhibitors in Germany: a retrospective cohort study with 284,383 patients. J Cancer Res Clin Oncol 2022:10.1007/s00432-022-04376-5. [PMID: 36149512 DOI: 10.1007/s00432-022-04376-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2022] [Accepted: 09/20/2022] [Indexed: 10/14/2022]
Abstract
PURPOSE The aim of this study was to analyze the persistence of women on tamoxifen (TAM) and aromatase inhibitors (AIs) in Germany, and to investigate possible determinants of non-persistence. METHODS The present retrospective cohort study was based on the IQVIA longitudinal prescription database (LRx). The study included women with an initial prescription of TAM or AIs (anastrozole, letrozole, and exemestane) between January 2016 and December 2020 (index date). Kaplan-Meier analyses were performed to show the persistence for TAM and AI, using a therapy gap of 90 or 180 days, respectively. A multivariable Cox proportional hazards regression model was further used to estimate the relationship between non-persistence and drug prescription (AI versus TAM), age, and the specialty of the physician initiating therapy (gynecologist, oncologist, or general practitioner). RESULTS Up to 5 years after the index date, only 35.1% of AI and 32.5% of TAM patients were continuing therapy when therapy discontinuation was defined as at least 90 days without therapy. Using a 180-day therapy gap, 51.9% of AI and 50.4% of TAM patients remained on therapy after 5 years. Cox regression models reveal that initial therapy with TAM (HR 1.06, 95% CI 1.04-1.07), therapy initiation by oncologists (HR 1.09, 95% CI 1.07-1.11), or general practitioners (HR 1.24, 95% CI 1.21-1.27) and age ≤ 50 (HR 1.08, 95% CI 1.06-1.10) were significantly associated with an increased risk of therapy discontinuation. CONCLUSION Overall, the present study indicates that persistence rates are low in all age groups for both TAM and AI treatment. We found several factors (e.g., physician specialty, younger age, and type of endocrine therapy) to be associated with an increased risk for non-persistence.
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Font R, Buxó M, Ameijide A, Martínez JM, Marcos-Gragera R, Carulla M, Puigdemont M, Vilardell M, Civit S, Viñas G, Espinàs JA, Galceran J, Izquierdo Á, Borràs JM, Clèries R. Using population-based data to evaluate the impact of adherence to endocrine therapy on survival in breast cancer through the web-application BreCanSurvPred. Sci Rep 2022; 12:8097. [PMID: 35577853 PMCID: PMC9110408 DOI: 10.1038/s41598-022-12228-y] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2021] [Accepted: 04/22/2022] [Indexed: 11/26/2022] Open
Abstract
We show how the use and interpretation of population-based cancer survival indicators can help oncologists talk with breast cancer (BC) patients about the relationship between their prognosis and their adherence to endocrine therapy (ET). The study population comprised a population-based cohort of estrogen receptor positive BC patients (N = 1268) diagnosed in Girona and Tarragona (Northeastern Spain) and classified according to HER2 status (+ / −), stage at diagnosis (I/II/III) and five-year cumulative adherence rate (adherent > 80%; non-adherent ≤ 80%). Cox regression analysis was performed to identify significant prognostic factors for overall survival, whereas relative survival (RS) was used to estimate the crude probability of death due to BC (PBC). Stage and adherence to ET were the significant factors for predicting all-cause mortality. Compared to stage I, risk of death increased in stage II (hazard ratio [HR] 2.24, 95% confidence interval [CI]: 1.51–3.30) and stage III (HR 5.11, 95% CI 3.46–7.51), and it decreased with adherence to ET (HR 0.57, 95% CI 0.41–0.59). PBC differences were higher in non-adherent patients compared to adherent ones and increased across stages: stage I: 6.61% (95% CI 0.05–13.20); stage II: 9.77% (95% CI 0.59–19.01), and stage III: 22.31% (95% CI 6.34–38.45). The age-adjusted survival curves derived from this modeling were implemented in the web application BreCanSurvPred (https://pdocomputation.snpstats.net/BreCanSurvPred). Web applications like BreCanSurvPred can help oncologists discuss the consequences of non-adherence to prescribed ET with patients.
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Affiliation(s)
- Rebeca Font
- Pla Director d'Oncología, IDIBELL, Av. Gran Vía 199-203, 08908, Hospitalet de Llobregat, Barcelona, Spain.,Institut d'Investigació Biomèdica de Bellvitge, IDIBELL, Av. Gran Via de L'Hospitalet, 199-203 - 1a planta, 08908, Hospitalet de Llobregat, Barcelona, Spain
| | - Maria Buxó
- Institut d'Investigació Biomèdica de Girona, IDIBGI, C/Dr.Castany S/N. Edifici M2. Parc Hospitalari Martí I Julià, 17190, Salt, Spain
| | - Alberto Ameijide
- Registre de Càncer de Tarragona, Servei d'Epidemiologia i Prevenció del Càncer, Hospital Universitari Sant Joan de Reus, IISPV, Reus, Spain
| | - José Miguel Martínez
- Department de Estadística I Investigació Operativa de La Universitat Politècnica de Catalunya. EDIFICI H, Diagonal 647, 08028, Barcelona, Spain.,Grupo de Investigación en Salud Pública, Universidad de Alicante, 03690, Alicante, Spain
| | - Rafael Marcos-Gragera
- Registre de Cáncer de Girona - Unitat d'Epidemiologia. Pla Director d'Oncologia. Institut Català d'Oncología. Grup d'Epidemiologia Descriptiva, Genètica I Prevenció del Càncer de Girona-IDIBGI, 17005, Girona, Spain.,Facultat de Medicina, Universitat de Girona (UdG), Girona, Spain.,Centro de Investigación Biomédica en Red: Epidemiología y Salud Pública (CIBERESP), Madrid, Spain
| | - Marià Carulla
- Registre de Càncer de Tarragona, Servei d'Epidemiologia i Prevenció del Càncer, Hospital Universitari Sant Joan de Reus, IISPV, Reus, Spain
| | - Montse Puigdemont
- Registre de Cáncer de Girona - Unitat d'Epidemiologia. Pla Director d'Oncologia. Institut Català d'Oncología. Grup d'Epidemiologia Descriptiva, Genètica I Prevenció del Càncer de Girona-IDIBGI, 17005, Girona, Spain
| | | | - Sergi Civit
- Secció de Estadística del Departament de Genètica, Microbiología i Estadística de La Facultat de Biologia. Universitat de Barcelona, 08028, Barcelona, Spain
| | - Gema Viñas
- Servei d'Oncología Médica, Institut Català d'Oncología. Hospital Universitari de Girona Doctor Josep Trueta, 17005, Girona, Spain
| | - Josep A Espinàs
- Pla Director d'Oncología, IDIBELL, Av. Gran Vía 199-203, 08908, Hospitalet de Llobregat, Barcelona, Spain.,Institut d'Investigació Biomèdica de Bellvitge, IDIBELL, Av. Gran Via de L'Hospitalet, 199-203 - 1a planta, 08908, Hospitalet de Llobregat, Barcelona, Spain
| | - Jaume Galceran
- Registre de Càncer de Tarragona, Servei d'Epidemiologia i Prevenció del Càncer, Hospital Universitari Sant Joan de Reus, IISPV, Reus, Spain
| | - Ángel Izquierdo
- Registre de Cáncer de Girona - Unitat d'Epidemiologia. Pla Director d'Oncologia. Institut Català d'Oncología. Grup d'Epidemiologia Descriptiva, Genètica I Prevenció del Càncer de Girona-IDIBGI, 17005, Girona, Spain.,Servei d'Oncología Médica, Institut Català d'Oncología. Hospital Universitari de Girona Doctor Josep Trueta, 17005, Girona, Spain
| | - Josep M Borràs
- Pla Director d'Oncología, IDIBELL, Av. Gran Vía 199-203, 08908, Hospitalet de Llobregat, Barcelona, Spain.,Institut d'Investigació Biomèdica de Bellvitge, IDIBELL, Av. Gran Via de L'Hospitalet, 199-203 - 1a planta, 08908, Hospitalet de Llobregat, Barcelona, Spain.,Department de Ciències Clíniques de La Universitat de Barcelona, 08907, Barcelona, Spain
| | - Ramon Clèries
- Pla Director d'Oncología, IDIBELL, Av. Gran Vía 199-203, 08908, Hospitalet de Llobregat, Barcelona, Spain. .,Institut d'Investigació Biomèdica de Bellvitge, IDIBELL, Av. Gran Via de L'Hospitalet, 199-203 - 1a planta, 08908, Hospitalet de Llobregat, Barcelona, Spain. .,Department de Ciències Clíniques de La Universitat de Barcelona, 08907, Barcelona, Spain.
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8
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Inotai A, Ágh T, Maris R, Erdősi D, Kovács S, Kaló Z, Senkus E. Systematic review of real-world studies evaluating the impact of medication non-adherence to endocrine therapies on hard clinical endpoints in patients with non-metastatic breast cancer. Cancer Treat Rev 2021; 100:102264. [PMID: 34388473 DOI: 10.1016/j.ctrv.2021.102264] [Citation(s) in RCA: 30] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2021] [Revised: 07/27/2021] [Accepted: 07/28/2021] [Indexed: 11/30/2022]
Abstract
Breast cancer, one of the most common malignancies, is associated with significant economic and health burden both at the patient and societal level. Although medication non-adherence to endocrine breast cancer therapies is common, so far only limited systematic evidence has been available on its quantitative consequences, as previous systematic reviews focused mainly on factors contributing to medication non-adherence. The objective of this review was to explore the implications of medication non-adherence to endocrine therapies on hard clinical outcomes in breast cancer based on real-world studies. A systematic literature review was conducted on PubMed; empirical evidence on hard clinical endpoints (i.e., survival, disease-free survival, metastasis and recurrence) were extracted from uni- or multivariate statistical analyses from retrospective or prospective cohort studies. Of the 2,360 identified records, 12 studies met the inclusion criteria. Two studies identified significant positive association between medication non-adherence and the risk of distant metastasis, three articles between medication non-adherence and the recurrence of breast cancer, two studies between medication non-adherence- and non-persistence and of worse disease-free survival and eight articles between medication non-adherence and mortality. There was only one study where the positive association between medication adherence and survival did not apply to all subgroups. The strong evidence on the negative health consequences of non-adherence to breast cancer treatments indicates the need for the regular monitoring of medication adherence. Furthermore, explicit inclusion of adherence enhancing interventions into health policy agenda would be warranted to improve medication adherence also at a system level.
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Affiliation(s)
- András Inotai
- Semmelweis University, Center for Health Technology Assessment, Budapest, Hungary; Syreon Research Institute, Budapest, Hungary.
| | - Tamás Ágh
- Syreon Research Institute, Budapest, Hungary.
| | | | - Dalma Erdősi
- Semmelweis University, Center for Health Technology Assessment, Budapest, Hungary; University of Pécs, Faculty of Pharmacy, Department of Pharmacoeconomics, Pécs, Hungary.
| | - Sándor Kovács
- Syreon Research Institute, Budapest, Hungary; University of Pécs, Faculty of Pharmacy, Department of Pharmacoeconomics, Pécs, Hungary.
| | - Zoltán Kaló
- Semmelweis University, Center for Health Technology Assessment, Budapest, Hungary; Syreon Research Institute, Budapest, Hungary.
| | - Elżbieta Senkus
- Department of Oncology and Radiotherapy, Medical University of Gdańsk, Gdańsk, Poland.
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9
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Donevant S, Heiney SP, Wineglass C, Schooley B, Singh A, Sheng J. Perceptions of Endocrine Therapy in African-American Breast Cancer Survivors: Mixed Methods Study. JMIR Form Res 2021; 5:e23884. [PMID: 34114955 PMCID: PMC8235283 DOI: 10.2196/23884] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2020] [Revised: 03/05/2021] [Accepted: 04/30/2021] [Indexed: 01/23/2023] Open
Abstract
BACKGROUND Although the incidence of breast cancer is lower in African-American women than in White women, African-American women have a decreased survival rate. The difference in survival rate may stem from poor endocrine therapy adherence, which increases breast cancer recurrence. Therefore, accessible and culturally sensitive interventions to increase endocrine therapy adherence are necessary. OBJECTIVE The purpose of this concurrent convergent mixed methods study was to provide further data to guide the development of the proposed culturally sensitive mHealth app, STORY+ for African-American women with breast cancer. METHODS We recruited 20 African-American women diagnosed with estrogen-positive breast cancer and currently prescribed endocrine therapy. We used a concurrent convergent data collection method to (1) assess the use of smartphones and computers related to health care and (2) identify foundational aspects to support endocrine therapy adherence for incorporation in a mobile health app. RESULTS Overwhelmingly, the participants preferred using smartphones to using computers for health care. Communicating with health care providers and pharmacies was the most frequent health care use of smartphones, followed by exercise tracking, and accessing the patient portal. We identified 4 aspects of adherence to endocrine therapy and smartphone use for incorporation in app development. The factors that emerged from the integrated qualitative and quantitative data were (1) willingness to use, (2) side effects, (3) social connection, and (4) beliefs about endocrine therapy. CONCLUSIONS Further research is needed to develop a culturally sensitive app for African-American women with breast cancer to improve adherence to endocrine therapy. Our work strongly suggests that this population would use the app to connect with other African-American breast cancer survivors and manage endocrine therapy.
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Affiliation(s)
- Sara Donevant
- College of Nursing, University of South Carolina, Columbia, SC, United States
| | - Sue P Heiney
- College of Nursing, University of South Carolina, Columbia, SC, United States
| | - Cassandra Wineglass
- College of Nursing, University of South Carolina, Columbia, SC, United States
| | - Benjamin Schooley
- Department of Integrated Information Technology, College of Engineering and Computing, University of South Carolina, Columbia, SC, United States
| | - Akanksha Singh
- Department of Integrated Information Technology, College of Engineering and Computing, University of South Carolina, Columbia, SC, United States
| | - Jingxi Sheng
- College of Nursing, University of South Carolina, Columbia, SC, United States
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Ágh T, van Boven JF, Wettermark B, Menditto E, Pinnock H, Tsiligianni I, Petrova G, Potočnjak I, Kamberi F, Kardas P. A Cross-Sectional Survey on Medication Management Practices for Noncommunicable Diseases in Europe During the Second Wave of the COVID-19 Pandemic. Front Pharmacol 2021; 12:685696. [PMID: 34163364 PMCID: PMC8216671 DOI: 10.3389/fphar.2021.685696] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2021] [Accepted: 05/24/2021] [Indexed: 12/16/2022] Open
Abstract
Maintaining healthcare for noncommunicable diseases (NCDs) is particularly important during the COVID-19 pandemic; however, diversion of resources to acute care, and physical distancing restrictions markedly affected management of NCDs. We aimed to assess the medication management practices in place for NCDs during the second wave of the COVID-19 pandemic across European countries. In December 2020, the European Network to Advance Best practices & technoLogy on medication adherencE (ENABLE) conducted a cross-sectional, web-based survey in 38 European and one non-European countries. Besides descriptive statistics of responses, nonparametric tests and generalized linear models were used to evaluate the impact on available NCD services of the number of COVID-19 cases and deaths per 100,000 inhabitants, and gross domestic product (GDP) per capita. Fifty-three collaborators from 39 countries completed the survey. In 35 (90%) countries face-to-face primary-care, and out-patient consultations were reduced during the COVID-19 pandemic. The mean ± SD number of available forms of teleconsultation services in the public healthcare system was 3 ± 1.3. Electronic prescriptions were available in 36 (92%) countries. Online ordering and home delivery of prescription medication (avoiding pharmacy visits) were available in 18 (46%) and 26 (67%) countries, respectively. In 20 (51%) countries our respondents were unaware of any national guidelines regarding maintaining medication availability for NCDs, nor advice for patients on how to ensure access to medication and adherence during the pandemic. Our results point to an urgent need for a paradigm shift in NCD-related healthcare services to assure the maintenance of chronic pharmacological treatments during COVID-19 outbreaks, as well as possible future disasters.
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Affiliation(s)
- Tamás Ágh
- Syreon Research Institute, Budapest, Hungary
| | - Job Fm van Boven
- Department of Clinical Pharmacy and Pharmacology, Medication Adherence Expertise Center of the Northern Netherlands, University Medical Center Groningen, University of Groningen, Groningen, Netherlands
| | - Björn Wettermark
- Department of Pharmacy, Faculty of Pharmacy, Uppsala University, Uppsala, Sweden.,Faculty of Medicine, Vilnius University, Vilnius, Lithuania
| | - Enrica Menditto
- Department of Pharmacy, CIRFF, Center of Pharmacoeconomics and Drug Utilization Research, University of Naples Federico II, Naples, Italy
| | - Hilary Pinnock
- Usher Institute, University of Edinburgh, Edinburgh, United Kingdom
| | - Ioanna Tsiligianni
- Department of Social Medicine, School of Medicine, University of Crete, Crete, Greece
| | - Guenka Petrova
- Departement of Social Pharmacy and Pharmacoeconomics, Faculty of Pharmacy, Medical University of Sofia, Sofia, Bulgaria
| | - Ines Potočnjak
- Institute for Clinical Medical Research and Education, University Hospital Centre Sisters of Charity, Zagreb, Croatia
| | - Fatjona Kamberi
- Faculty of Health, Research Center of Public Health, University of Vlore "Ismail Qemali", Vlore, Albania
| | - Przemyslaw Kardas
- Medication Adherence Research Centre, Department of Family Medicine, Medical University of Lodz, Lodz, Poland
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