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Representation of Racial and Ethnic Minorities in Nephrology Clinical Trials: A Systematic Review and Meta-Analysis.
Soomro, Qandeel H; McCarthy, Angela; Varela, Dalila; Keane, Colin; Ways, Javaughn; Charytan, Amalya M; Ramos, Giana; Nicholson, Joey; Charytan, David M.
Affiliation
  • Soomro QH; Nephrology Division, New York Grossman School of Medicine, NYU Langone Health, New York, New York.
  • McCarthy A; Nephrology Division, New York Grossman School of Medicine, NYU Langone Health, New York, New York.
  • Varela D; Nephrology Division, New York Grossman School of Medicine, NYU Langone Health, New York, New York.
  • Keane C; Nephrology Division, New York Grossman School of Medicine, NYU Langone Health, New York, New York.
  • Ways J; Nephrology Division, New York Grossman School of Medicine, NYU Langone Health, New York, New York.
  • Charytan AM; Nephrology Division, New York Grossman School of Medicine, NYU Langone Health, New York, New York.
  • Ramos G; Nephrology Division, New York Grossman School of Medicine, NYU Langone Health, New York, New York.
  • Nicholson J; NYU Health Sciences Library, NYU Grossman School of Medicine, NYU Langone Health, New York, New York.
  • Charytan DM; Nephrology Division, New York Grossman School of Medicine, NYU Langone Health, New York, New York.
J Am Soc Nephrol ; 34(7): 1167-1177, 2023 07 01.
Article in En | MEDLINE | ID: mdl-37022114
ABSTRACT
SIGNIFICANCE STATEMENT Racial and ethnic disparities in clinical trial enrollment are well described. However, whether these disparities are present in nephrology randomized clinical trials has not been previously reported. We performed a systematic review and meta-analysis of 380 randomized clinical trials involving different aspects of kidney disease published between 2000 and 2021. Our results indicate that worldwide reporting of race and ethnicity is poor and that White individuals account for most of the randomized participants with decreased enrollment of Black participants in more recent trials. However, trials conducted in the United States have representation of Black and Hispanic participants consistent with the population prevalence of disease and under-representation of Asian participants.

BACKGROUND:

Under-representation of racial and ethnic minorities in clinical trials could worsen disparities, but reporting and enrollment practices in nephrology randomized clinical trials have not been described.

METHODS:

PubMed was searched to capture randomized clinical trials for five kidney disease-related conditions published between 2000 and 2021 in ten high-impact journals. We excluded trials with <50 participants and pilot trials. Outcomes of interest were the proportion of trials reporting race and ethnicity and the proportions of enrolled participants in each race and ethnicity category.

RESULTS:

Among 380 trials worldwide, race was reported in just over half and ethnicity in 12%. Most enrolled participants were White, and Black individuals accounted for ≤10% of participants except in dialysis trials where they accounted for 26% of participants. However, Black participants were enrolled at high proportions relative to disease and population prevalence in US CKD, dialysis, and transplant trials representing 19% of participants in AKI, 26% in CKD, 44% in GN, 40% in dialysis, and 26% in transplant trials. Enrollment of Asian participants was low worldwide except in GN trials with marked under-representation in US CKD, dialysis, and transplant trials. Hispanic individuals represented only 13% of participants in US dialysis trials compared with 29% of US dialysis population.

CONCLUSION:

More complete reporting of race and ethnicity in nephrology trials is needed. Black and Hispanic patients are well-represented in kidney disease trials in the United States. Asian patients are poorly represented in kidney trials both globally and in the United States.
Subject(s)

Full text: 1 Collection: 01-internacional Database: MEDLINE Main subject: Randomized Controlled Trials as Topic / Renal Insufficiency, Chronic / Ethnic and Racial Minorities / Nephrology Type of study: Clinical_trials / Risk_factors_studies / Systematic_reviews Limits: Humans Country/Region as subject: America do norte Language: En Journal: J Am Soc Nephrol Journal subject: NEFROLOGIA Year: 2023 Document type: Article

Full text: 1 Collection: 01-internacional Database: MEDLINE Main subject: Randomized Controlled Trials as Topic / Renal Insufficiency, Chronic / Ethnic and Racial Minorities / Nephrology Type of study: Clinical_trials / Risk_factors_studies / Systematic_reviews Limits: Humans Country/Region as subject: America do norte Language: En Journal: J Am Soc Nephrol Journal subject: NEFROLOGIA Year: 2023 Document type: Article