ABSTRACT
In recent years, the rapid development of medical information technology has made it critical to analyze large-scale diagnosis and therapeutic data and extract rules based on real medical environment. This has become an essential approach for marketing evaluation and regulatory decision-making of drugs and devices both domestically and internationally. Real world study （RWS）, as a novel methodology for clinical evaluation of drugs in the field of drug utilization research （DUR）, have presented opportunities and challenges for observational studies in assessing actual efficacy or effectiveness. However, despite being a popular methodological approach among scholars in the field, there are still limitations and deficiencies when analyzing population medication characteristics in RWS. Systematic evaluation research methods have not yet been established, leading to inadequate generation of real-world evidence （RWE）. The research design, methodological pathways, evaluation indicators, confounding factors, and bias management involved in DUR based on real-world data （RWD） were reviewed in this artical with the intention of providing guidance for further exploration into DUR.
ABSTRACT
Objective：To investigate the purposes, reasons, and issues of Real World Data (RWD) utilization by data source among pharmaceutical companies in Japan. In this study, we focus on RWDs such as Electronic Medical Records (EMR), Personal Health Records, and registries, which are expected to be utilized in the future. Design：Web based-questionnaire surveyMethods：This questionnaire survey was conducted on 68 companies affiliated with Clinical Evaluation Expert Committee in Japan Pharmaceutical Manufacturers Association from January 18th to February 14th in 2022. In principle, the survey covered four divisions (Clinical development, Pharmacovigilance, Medical Affairs, Health Economics & Outcomes Research) of each company, and other cross-functional divisions were also acceptable to answer. Results：［Background］ Of 40 companies out of 68 companies, 102 respondents were responded to this survey. Overall, 75 respondents (73.5％) have “experienced in utilization of RWD”, and 12 (11.8％) have “experienced in considering utilization of RWD”. ［Utilization by RWD Type］ By data source, hospital-based claim data was the most frequently used (65 cases, 63.7％), followed by insurance-based claim data (61 cases, 59.8％), surveys (38 cases, 37.3％), and EMR (36 cases, 35.3％) in experienced RWD utilization. Conclusion：This study revealed the current status and issues related to the utilization of each type of RWDs in Japan. It is expected that data linkage among multiple RWDs and data standardization enable further utilization of RWDs in future.
ABSTRACT
Objective：To investigate the purposes, reasons, and issues of Real World Data (RWD) utilization by data source among pharmaceutical companies in Japan. In this study, we focus on RWDs such as Electronic Medical Records (EMR), Personal Health Records, and registries, which are expected to be utilized in the future. Design：Web based-questionnaire surveyMethods：This questionnaire survey was conducted on 68 companies affiliated with Clinical Evaluation Expert Committee in Japan Pharmaceutical Manufacturers Association from January 18th to February 14th in 2022. In principle, the survey covered four divisions (Clinical development, Pharmacovigilance, Medical Affairs, Health Economics & Outcomes Research) of each company, and other cross-functional divisions were also acceptable to answer. Results：［Background］ Of 40 companies out of 68 companies, 102 respondents were responded to this survey. Overall, 75 respondents (73.5％) have “experienced in utilization of RWD”, and 12 (11.8％) have “experienced in considering utilization of RWD”. ［Utilization by RWD Type］ By data source, hospital-based claim data was the most frequently used (65 cases, 63.7％), followed by insurance-based claim data (61 cases, 59.8％), surveys (38 cases, 37.3％), and EMR (36 cases, 35.3％) in experienced RWD utilization. Conclusion：This study revealed the current status and issues related to the utilization of each type of RWDs in Japan. It is expected that data linkage among multiple RWDs and data standardization enable further utilization of RWDs in future.
ABSTRACT
Abstract Background and purpose Intravenous Thrombolysis (IVT) prior to Mechanical Thrombectomy (MT) for Acute Ischaemic Stroke (AIS) due to Large-Vessel Occlusion (LVO) remains controversial. Therefore, the authors performed a meta-analysis of the available real-world evidence focusing on the efficacy and safety of Bridging Therapy (BT) compared with direct MT in patients with AIS due to LVO. Methods Four databases were searched until 01 February 2023. Retrospective and prospective studies from nationwide or health organization registry databases that compared the clinical outcomes of BT and direct MT were included. Odds Ratios (ORs) and 95 % Confidence Intervals (CIs) for efficacy and safety outcomes were pooled using a random-effects model. Results Of the 12 studies, 86,695 patients were included. In patients with AIS due to LVO, BT group was associated with higher odds of achieving excellent functional outcome (modified Rankin Scale score 0-1) at 90 days (OR = 1.48, 95 % CI 1.25-1.75), favorable discharge disposition (to the home with or without services) (OR = 1.33, 95 % CI 1.29-1.38), and decreased mortality at 90 days (OR = 0.62, 95 % CI 0.56-0.70), as compared with the direct MT group. In addition, the risk of symptomatic intracranial hemorrhage did not increase significantly in the BT group. Conclusion The present meta-analysis indicates that BT was associated with favorable outcomes in patients with AIS due to LVO. These findings support the current practice in a real-world setting and strengthen their validity. For patients eligible for both IVT and MT, BT remains the standard treatment until more data are available.
ABSTRACT
Resumen Introducción: históricamente, antes de la aprobación de venetoclax, los pacientes con leucemia mieloide aguda no aptos para los esquemas de quimioterapia intensiva eran tratados con agentes hipometilantes (AHM), dosis bajas de citarabina (DBC) o el mejor tratamiento de soporte (BSC). Material y métodos: para describir los patrones de tratamiento y los resultados clínicos en el mundo real, realizamos un subanálisis con 77 pacientes de Argentina que participaron en el estudio global CURRENT y comenzaron el tratamiento entre 2015 y 2018 (antes de la aprobación de venetoclax; fecha de cierre de datos: 31/3/2020). Resultados: la mediana de edad al diagnóstico fue de 75 años. La proporción de pacientes que recibieron BSC solo fue más alta en comparación con los datos globales. La proporción relativa de pacientes con citogenética de alto riesgo fue similar entre aquéllos que recibían terapias de primera línea o BSC solo; se identificaron mutaciones en el 9,4 % de los pacientes que recibían terapias de primera línea. La mediana de la sobrevida global fue de 7,36 meses para el subgrupo argentino vs. 6,2 meses para la cohorte global. La mediana de la sobrevida libre de progresión fue de 6,31 (cohorte total), 8,05 (AHM) y 1,02 (BSC solo) meses. Conclusión: los resultados de los pacientes no aptos continúan siendo desfavorables, lo que reafirma la necesidad insatisfecha de nuevas terapias y esquemas combinados.
Abstract Introduction: patients with acute myeloid leukemia unfit for intensive chemotherapy were historically treated with hypomethylating agents (HMA), low-dose cytarabine (LDAC) or best supportive care (BSC) before venetoclax approval. Materials and methods: to describe real-world treatment patterns and clinical outcomes, we performed a subanalysis of 77 patients from Argentina who participated in the worldwide CURRENT study, initiating treatment between 2015 and 2018 (before venetoclax approval; cutoff: 3/31/2020). Results: median age at diagnosis was 75 years. Proportion of BSC-only patients was higher, compared with global data. Relative proportion of patients with high-risk cytogenetics was similar in those receiving first-line therapies or BSC-only; mutations were found in 9.4% of those patients receiving first-line therapies. Median overall survival was 7.36 months for the Argentinean subset vs. 6.2 months for the global cohort. Median progression-free survival was 6.31 (total cohort), 8.05 (HMA), and 1.02 (BSC-only) months. Conclusion: outcomes for unfit patients remain poor, highlighting the unmet need for new therapies and combined regimens.
ABSTRACT
Objetivo: Avaliar o impacto orçamentário do tratamento com iPARP como primeira linha de manutenção, comparado ao tratamento-padrão a partir de evidências de mundo real sob a perspectiva de um hospital público referência em oncologia no Rio de Janeiro. Métodos: Foi aplicada uma análise de impacto orçamentário para estimar a introdução das tecnologias iPARP, olaparibe e niraparibe, em comparação com o cenário referência, utilizando dados de eficácia e evidências de mundo real, e considerando os custos globais de tratamento da doença em cinco anos. Este estudo foi aprovado pelo Comitê de Ética em Pesquisa, CAAE: 95157018.9.0000.5274. Resultados: A análise demonstrou que o cenário referência apresentou um impacto orçamentário no valor de R$ 3.578.768,04 em cinco anos. No cenário alternativo, o custo incremental do olaparibe chegou a ser 23,8% maior, comparado ao niraparibe, atingindo um custo de R$ 23.736.459,20 versus R$ 18.076.951,81, respectivamente. Os parâmetros que apresentaram maior impacto nas análises para a tecnologia olaparibe foram a difusão da tecnologia e o preço do medicamento. Contudo, para o niraparibe, os parâmetros de maior impacto foram a duração do tratamento, a difusão da tecnologia e a dose utilizada, demonstrando maior suscetibilidade de variação. Conclusão: Os iPARP no tratamento de pacientes com carcinoma de ovário avançado, apesar de apresentarem custo incremental de aproximadamente R$ 23 milhões em cinco anos, apontam para uma potencial redução de custos associados à progressão da doença.
Objective: Assess the budgetary impact of treatment with iPARP as a first line of maintenance, compared to standard treatment based on real-world evidence from the perspective of a public hospital reference in oncology at Rio de Janeiro. Methods: A budget impact analysis was applied to estimate the introduction of iPARP, olaparib and niraparib technologies, compared to the reference scenario, using efficacy data and real-world evidence, and considering the global costs of treating the disease in five years. This study was approved by the Research Ethics Committee, CAAE: 95157018.9.0000.5274. Results: The analysis showed that the reference scenario presented a budgetary impact of R$ 3,578,768.04 in five years. In the alternative scenario, the incremental cost of olaparib reached 23.8% higher compared to niraparib, reaching a cost of R$ 23,736,459.20 versus R$ 18,076,951.81, respectively. The parameters that had the greatest impact on the analyzes for the olaparib technology were technology diffusion and drug price. However, for niraparib, the parameters with the greatest impact were the duration of treatment, the diffusion of the technology and the dose used, demonstrating greater susceptibility to variation. Conclusion: iPARP in the treatment of patients with advanced ovarian carcinoma, despite having an incremental cost of approximately R$ 23 million in five years, point to a potential reduction in costs associated with disease progression.
Subject(s)
Ovarian Neoplasms , Poly(ADP-ribose) Polymerase Inhibitors , Analysis of the Budgetary Impact of Therapeutic AdvancesABSTRACT
Resumen Objetivo: Estimar la prevalencia de diabetes en atención ambulatoria y describir sus características epidemiológicas, comorbilidades y complicaciones vasculares relacionadas. Método: Corte transversal que incluyó la totalidad de adultos afiliados a la prepaga del Hospital Italiano de Buenos Aires en marzo de 2019, Argentina. Resultados: La prevalencia global de diabetes resultó del 8.5% con intervalo de confianza del 95% (IC95%): 8.3-8.6 (12,832 de un total de 150,725 afiliados). El estrato etario con mayor prevalencia fue el grupo entre 65 y 80 años, con un 15.7% (IC95%: 15.3-16.1). Las personas con diabetes presentaban una media de edad de 70 años (desviación estándar: 14), el 52% eran mujeres, y los factores de riesgo cardiovasculares más frecuentemente asociados fueron: dislipidemia (88%), hipertensión arterial (74%) y obesidad (55%). En relación con el control metabólico, el 60% tenía al menos una hemoglobina glucosilada medida en el último año, siendo el 70% de estas menores al 7%. Casi el 80% tiene medido el colesterol vinculado a lipoproteínas de baja densidad (c-LDL) al menos una vez en los últimos dos años, de ellos el 55% presentaba un valor de c-LDL igual o menor a 100 mg/dl. Las complicaciones macrovasculares presentes en orden de frecuencia fueron: infarto agudo de miocardio (11%), accidente cerebrovascular (8%) y enfermedad vascular periférica (4%); mientras que las complicaciones microvasculares resultaron ser neuropatía diabética (4%) y retinopatía (2%). El 7% tuvo pie diabético, con menos del 1% de amputaciones. Conclusiones: La diabetes representa un problema prevalente, incluso en pacientes ancianos. Esta población sigue presentando un elevado riesgo cardiovascular, con escaso cumplimiento de objetivos terapéuticos.
Abstract Objective: To estimate prevalence of diabetes in outpatient care and to describe its epidemiological characteristics, comorbidities, and related vascular complications. Methods: Observational cross-sectional study which included all adults affiliated from a private insurance health plan on March 2019, at Hospital Italiano de Buenos Aires, from Argentina. Results: The global prevalence of diabetes resulted in 8.5% with 95% CI 8.3-8.6 (12,832 out of a total of 150,725 affiliates). The age stratum with the highest prevalence was the group between 65 and 80 years old with 15.7% (95% CI 15.3-16.1). People with diabetes had a mean age of 70 years (SD 14), 52% were women, and the most frequently associated cardiovascular risk factors were: dyslipidaemia (88%), arterial hypertension (74%) and obesity (55%). In relation to metabolic control, 60% had at least one glycosylated hemoglobin measured in the last year, 70% of which were less than 7%. Almost 80% have LDL measured at least once in the last 2 years, 55% of them had an LDL value equal to or less than 100 mg/dl. The macrovascular complications present in order of frequency were: acute myocardial infarction (11%), cerebrovascular accident (8%) and peripheral vascular disease (4%); while the microvascular complications were found to be diabetic neuropathy (4%) and retinopathy (2%). 7% had diabetic foot, with less than 1% amputations. Conclusion: Diabetes represents a prevalent problem, even in elderly patients. This population continues to present a high cardiovascular risk, with little compliance with therapeutic goals.
ABSTRACT
In order to understand this disparity between human use and drugs approved by regulatory agencies, we analyzed botanical drug clinical trials registered at ClinicalTrial.gov to detect trends in current trials and guide future trials. A total of 195 botanical drug clinical trials were registered from 2016 to 2019, of which 81 are phase II or phase II/III. 95% of all phase II and II/III studies were designed with 100 or less participants per arm, indicating a more observational nature due to the limited power to detect differences in outcomes between treatment and control groups. Due to the limited number of participants, efficacy outcome from results may be highly subjective. 14% of the total trials were phase I studies. For botanical drugs with well-documented or extensive history of human use, phase I may not provide significant additional information, and may, therefore, not be necessary. For the trial design, we suggest added-on studies when botanical drugs are used as part of a combination treatment. Additionally, we believe standardized data collection methods and criteria are critical to utilizing the vast collection of human experience as quality evidence to support regulatory approval.
ABSTRACT
OBJECTIVE：To provid e reference for promoting the application of real-world evidence in pediatric medical product R&D. METHODS ：The progress of real-world evidence in pediatrics in the United States and Europe was introduced. The obstacles of real-world evidence in pediatric drug R&D were analyzed ，and a series of feasibility suggestions were put forward. RESULTS & CONCLUSIONS：Real world evidence had been widely used in pediatric medical product R&D ，including evaluation and validation of biomarkers and prognostic indicators ，clinical trial design and optimization ，support for extended indications ， post-marketing safety monitoring/pharmacovigilance ，etc. There were still many obstacles ，such as data fragmentation and access restrictions，lack of standardized analysis methods for real-world evidence ，lack of key pediatric variables ，and difficulties in obtaining informed consent from pediatric patients. In order to promote the application of real-world evidence in pediatrics ，it is suggested to strengthen the construction of data infrastructure ，expand the application of general data model ，develop methods for collecting longitudinal data of pediatric patients ，and carry out reasonable research design.
ABSTRACT
China and foreign regulators have conducted multiple discussions on how to use Real World Data (RWD) and Real World Evidence (RWE), also published relevant guidelines and framework files. The development and promotion of RWD/RWE application in China is relatively late, and there is a gap of systems and conditions between China and developed countries. This article aims to learn from advantage experiences of other countries and provide some referential ideas for exploring a strategy of RWD/RWE applications suitable for China by analyzing and comparing the current RWD/RWE application-related policies and guidelines in different regions.
ABSTRACT
OBJECTIVES: The number of bariatric procedures has significantly increased in Brazil, especially in the public Unified Health System. The present study describes health outcomes and medication use in obese patients treated in a major hospital that performs publicly funded surgery in Brazil. METHODS: A retrospective, single center study was conducted to collect real-world evidence of health outcomes and medication use in 247 obese patients (female, 82.2%) who underwent open Roux-en-Y gastric bypass. Changes in weight and body mass index (BMI), presence of apnea, hypertension, and type 2 diabetes (T2D), and medication use (hypertension, diabetes, and dyslipidemia) were assessed preoperatively and up to 24 months postoperatively. The mean cost of medications was calculated for the 12-month preoperative and 24-month postoperative periods. RESULTS: During the surgery, the mean age of patients was 43.42 years (standard deviation [SD], 10.9 years), and mean BMI was 46.7 kg/m2 (SD, 6.7 kg/m2). At 24 months, significant declines were noted in weight (mean, -37.6 kg), BMI (mean, -14.3 kg/m2); presence of T2D, hypertension, and apnea (-29.6%, -50.6%, and -20.9%, respectively); and number of patients using medications (-66.67% for diabetes, -41.86% for hypertension, and -55.26% for dyslipidemia). The mean cost of medications (total costs for all medications) decreased by >50% in 12-24 postoperative months compared to that in 12 preoperative months. CONCLUSION: Roux-en-Y gastric bypass successfully reduced weight, BMI, and comorbidities and medication use and cost at 24 months in Brazilian patients treated in the public Unified Health System.
Subject(s)
Humans , Female , Adult , Drug Prescriptions/statistics & numerical data , Obesity, Morbid/surgery , Gastric Bypass/methods , Laparoscopy , Bariatric Surgery , Obesity, Morbid/complications , Brazil , Weight Loss , Gastroesophageal Reflux/complications , Gastroesophageal Reflux/drug therapy , Body Mass Index , Retrospective Studies , Treatment Outcome , Outcome Assessment, Health Care , Diabetes Complications/drug therapy , Diabetes Mellitus, Type 2/complications , Diabetes Mellitus, Type 2/drug therapy , Dyslipidemias/complications , Dyslipidemias/drug therapy , Hypertension/complications , Hypertension/drug therapyABSTRACT
Clinical studies can be conducted to gather real world evidence (RWE) not available from randomized controlled trials, providing new information and knowledge. Although the concept of RWE emerged relatively recently, numerous clinical studies are utilizing it. However, many researchers are engaging in trial and error that may not overcome the various biases that occur in electronic medical record (EMR)-based RWE studies. While RWE can reflect the real world, there are still limitations to its acceptance. There are many hurdles in using RWE and solutions must be explored. Results based on RWE may be overestimated and it can be difficult to derive good quality results. This paper discusses data quality management, direct chart review, sample size, study design, and the interpretation of EMR-based RWE. More specifically, this paper shares the experience of the various hurdles that occur when conducting RWE studies and discusses the easy-to-false errors. RWE is still in the developmental stage and numerous aspects of RWE use remain unclear. Nonetheless, despite its many limitations, increasing use of RWE is still anticipated. This will require continued experience and effort in using RWE, as well as upgrading RWE research through the accumulation of information on such experiences and efforts.
Subject(s)
Bias , Cohort Studies , Data Accuracy , Electronic Health Records , Sample SizeABSTRACT
The source of clinical evidence in drug development has been limited to be generated from clinical trials for many years. However, the evidence generation should be extended to Real World Data (RWD), which will play a key role anywhere. The ICH GCP renovation recommends selecting from a variety of clinical trial designs and data sources choices where innovative new drugs will be provided to patients as an earlier approval of the new drug application. In the early-stage approval system of the Ministry of Health of Labor and Welfare and the revision of GPSP in Japan, it is clearly stated that medical databases and patients' registry will be available. In this manuscript, we summarize the following cases of the utilizing RWD in drug development； (1) submitting data for a new drug application, (2) planning of clinical trials and patients' recruitment for clinical trials, (3) collecting clinical trial data using Electronic Health Record as data source, (4) assessing clinical outcomes and diagnosis, (5) developing strategies of drug development, drug pricing and access. Although there are many challenges in each application and the improvement in the infrastructure and regulatory environment is desired, we hope the progress of RWD use in the practice of drug development without waiting for that.
ABSTRACT
PURPOSE: To investigate the short-term efficacy and safety of ranibizumab in the routine clinical setting in patients with neovascular age-related macular degeneration and to analyze the associated factors for visual outcome. METHODS: This was a post-hoc analysis of a ranibizumab regulatory post-marketing surveillance study in which 4,136 patients were enrolled and followed for 12 weeks. Change in best-corrected visual acuity (BCVA), size of choroidal neovascularization, and the presence of hemorrhage and exudate were analyzed and the association between BCVA change and baseline characteristics were investigated. Data on ocular and systemic adverse events were collected. RESULTS: Mean BCVA improved significantly and mean BCVA change was the logarithm of the minimal angle of resolution 0.13 ± 0.01 (p < 0.001). A lower baseline BCVA and younger age were significant predictive factors for visual improvement or maintenance (≥0 lines). For greater visual acuity gain (≥3 lines), no treatment history, lower baseline BCVA, younger age, and classic-type choroidal neovascularization were significant predictive factors. No new safety signals were found. CONCLUSIONS: In this study, conducted in real-world clinical practice with a large number of neovascular age-related macular degeneration patients, visual and anatomical outcomes improved significantly after three monthly ranibizumab treatments. Treatment-naive patients had a higher chance of greater visual gain (≥3 lines) than non-naive patients.
Subject(s)
Humans , Choroidal Neovascularization , Exudates and Transudates , Hemorrhage , Macular Degeneration , Ranibizumab , Visual AcuityABSTRACT
In recent years, with the introduction of medical information technology from large medical institutions to communities and health management institutions and real-world data in the actual clinical diagnosis and treatment is increasingly abundant, the inherent needs of medical research methodologies are colliding with information technology, and resources are begining to transform to the application. Real-world data began to transform into clinical research evidence, providing objective conditions for the development of TCM real-world study. This paper analyzes and discusses the main characteristics of TCM real-world study, and provides reference for deepening the understanding and methodology of TCM real-world study.
ABSTRACT
For regulatory approval of a new drug, the most preferred and reliable source of evidence would be randomized controlled trials (RCT). However, a great number of drugs, being developed as well as already marketed and being used, usually lack proper indications for children. It is imperative to develop properly evaluated drugs for children. And expanding the use of already approved drugs for other indications will benefit patients and the society. Nevertheless, to get an approval for expansion of indications, most often with off-label experiences, for drugs that have been approved or for the development of pediatric indications, either during or after completing the main drug development, conducting RCTs may not be the only, if not right, way to take. Extrapolation strategies and modelling & simulation for pediatric drug development are paving the road to the better approval scheme. Making the use of data sources other than RCT such as EHR and claims data in ways that improve the efficiency and validity of the results (e.g., randomized pragmatic trial and randomized registry trial) has been the topic of great interest all around the world. Regulatory authorities should adopt new methodologies for regulatory approval processes to adapt to the changes brought by increasing availability of big and real world data utilizing new tools of technological advancement.
Subject(s)
Child , Humans , Information Storage and RetrievalABSTRACT
Health Technology Assessment (HTA) of healthcare technologies including drugs, medical devices, and interventions is expected to be fully implemented into the pricing evaluation system. Under this circumstance, it is crucial to show not only clinical but also economic benefits in the healthcare technology. Real World Evidence (RWE) obtained from Real World Data (RWD) can be useful input from clinical practice since economic evaluation needs various information including effectiveness, epidemiology, costs, and utilities in long-term follow-up. According to GetReal report from IMI initiatives, in the assessment phase, epidemiology data such as incidence and prevalence, and resource use data were generally accepted by most of HTA agencies in major European countries. However, treatment effects by RWD were considered to be used under specific circumstances. In the appraisal phase, treatment effects on the basis of RWD was regarded as complementary data while other parameters such as epidemiology data, costs, and resource use were regarded as fundamental and reliable. In Japan, Health Economics and Outcomes Research (HEOR) using RWD is emerging rapidly and the volume of input data collected for economic evaluation from RWD is expected to increase. There are limited descriptions on RWD in the cost-effectiveness guideline issued by Chuikyo in Japan. Considering RWD to be an important source of economic evaluation, it is helpful to have information on what kind of RWD can be used as RWE for economic evaluations in HTA policy and guidelines in Japan. Further development of HTA policy and guidelines reflecting RWD element is desired.
ABSTRACT
Real-world evidence (RWE) and randomized control trial (RCT) data are considered mutually complementary. However, compared with RCT, the outcomes of RWE continue to be assigned lower credibility. It must be emphasized that RWE research is a real-world practice that does not need to be executed as RCT research for it to be reliable. The advantages and disadvantages of RWE must be discerned clearly, and then the proper protocol can be planned from the beginning of the research to secure as many samples as possible. Attention must be paid to privacy protection. Moreover, bias can be reduced meaningfully by reducing the number of dropouts through detailed and meticulous data quality management. RCT research, characterized as having the highest reliability, and RWE research, which reflects the actual clinical aspects, can have a mutually supplementary relationship. Indeed, once this is proven, the two could comprise the most powerful evidence-based research method in medicine.