Clinical Research & Trials

Study designs and methodologies for clinical and medical research.

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380,585Articles

Articles published on Clinical Research & Trials

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14 Jan 2026|10.1016/j.ijnurstu.2024.104816

Differences in regional distribution and inequality in health workforce allocation in hospitals and primary health centers in China: A longitudinal study.

Wang; Ling-Ying; Hu; Zi-Yi; Chen + 4 more2024·International journal of nursing studiesTier 1

Full paper

9 Jan 2026|10.1097/SLA.0000000000006091

Negotiated Rates for Surgical Cancer Care in the Era of Price Transparency-Prices Reflect Market Competition.

Rochlin; Danielle H; Rizk; Nada M; Matros + 3 more2024·Annals of surgeryTier 2

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17 Mar 2026|10.1016/j.ypmed.2023.107799

The risk of drug overdose death among adults with select types of disabilities in the United States - A longitudinal study using nationally representative data.

Aram; Jonathan; Dallal; Cher M; Cosgrove + 4 more2024·Preventive medicineTier 1

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18 Jan 2026|10.1037/dev0001748

Developmental antecedents of adherence to masculinity norms: A 9-year longitudinal study of urban Chinese families.

Yang; Rui; Waters; Theodore E A; Gu + 6 more2024·Developmental psychologyTier 2

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11 Feb 2026|10.1038/s41598-024-51999-4

A longitudinal comparison of maternal behaviour in German urban humans (Homo sapiens) and captive chimpanzees (Pan troglodytes).

Amici; Federica; Liebal; Katja; Ersson-Lembeck + 2 more2024·Scientific reportsTier 2

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9 Jan 2026|10.1016/j.jclinepi.2024.111512

A survey of experts to identify methods to detect problematic studies: stage 1 of the INveStigating ProblEmatic Clinical Trials in Systematic Reviews project.

Wilkinson; Jack; Heal; Calvin; Antoniou + 30 more2024·Journal of clinical epidemiologyTier 1

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16 Jan 2026|10.1001/jamanetworkopen.2023.50630

Xylazine in Overdose Deaths and Forensic Drug Reports in US States, 2019-2022.

Cano; Manuel; Daniulaityte; Raminta; Marsiglia + 1 more2024·JAMA network openTier 2

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18 Jan 2026|10.1371/journal.pone.0309621

The self-correction and influence factors of congenital auricular deformity: A prospective cohort study.

Huang; Jincheng; Zou; Kun; Yang + 4 more2024·PloS oneTier 2

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27 Feb 2026|10.1016/j.jacc.2024.04.038

Semaglutide and NYHA Functional Class in Obesity-Related Heart Failure With Preserved Ejection Fraction: The STEP-HFpEF Program.

Schou; Morten; Petrie; Mark C; Borlaug + 12 more2024·Journal of the American College of CardiologyTier 2

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15 Jan 2026|10.3390/nu16244375

Implementation of Nutrition Labels at the 2022 European Athletics Championships: An Observational Study of the Use and Perceptions of Athletes and Athlete Support Personnel.

Maldonado; Inês; Oliveira; Catarina B; Branco + 2 more2024·NutrientsTier 1

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20 Mar 2026|10.3390/nu16203441

Diet Quality and Eating Frequency Were Associated with Insulin-Taking Status among Adults.

Lin; Luotao; Qin; Yue; Hutchins + 6 more2024·NutrientsTier 1

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2 Mar 2026|arxiv:2403.01330

Re-evaluating the impact of hormone replacement therapy on heart disease using match-adaptive randomization inference

Samuel D. Pimentel; Ruoqi Yu2024·arXiv Preprint

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17 Jan 2026|10.1017/S0954579424000245

Using randomized controlled trials to ask questions regarding developmental psychopathology: A tribute to Dante Cicchetti.

Miller; Kristen N; Bourne; Stacia V; Dahl + 5 more2024·Development and psychopathologyTier 2

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9 Jan 2026|10.1136/bmjopen-2024-087620

Long-term effects of pelvic floor training in male chronic pelvic pain, correlation between subjective and objective outcomes: a study protocol for a randomised controlled trial.

Hallencreutz Grape; Helena; Nordgren; Birgitta; Renström Koskela + 1 more2024·BMJ openTier 2

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21 Jan 2026|10.1001/jamanetworkopen.2024.43353

Donor Time to Death and Kidney Transplant Outcomes in the Setting of a 3-Hour Minimum Wait Policy.

Tingle; Samuel J; Chung; Nicholas D H; Malik + 11 more2024·JAMA network openTier 2

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15 Jan 2026|10.3390/nu16111692

Effects of Garlic on Glucose Parameters and Lipid Profile: A Systematic Review and Meta-Analysis on Randomized Controlled Trials.

Zhao; Xinyu; Cheng; Tao; Xia + 3 more2024·NutrientsTier 1

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17 Jan 2026|10.1038/s41598-024-79613-7

Paired-eye comparison of endothelial cell density and vault height after implantable collamer lens implantation.

Choi; Hannuy; Lee; Seung Yeon; Lee + 3 more2024·Scientific reportsTier 2

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10 Jan 2026|10.3390/nu16091277

Sociodemographic Trends in Planetary Health Diets among Nutrition Students in Türkiye: Bridging Classroom to Kitchen.

Navruz-Varlı; Semra; Mortaş; Hande; Çelik + 1 more2024·NutrientsTier 1

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9 Jan 2026|10.1001/jamanetworkopen.2024.51941

Within-Hospital Price Gaps Across National Insurers.

Wang; Yang; Xu; Jianhui; Anderson + 1 more2024·JAMA network openTier 2

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15 Jan 2026|10.1371/journal.pone.0300382

Associations between EEG power and coherence with cognition and early precursors of speech and language development across the first months of life.

Bradley; Holly; Smith; Beth A; Xiao + 1 more2024·PloS oneTier 2

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