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Unmasking Racial, Ethnic, and Socioeconomic Disparities in United States Chordoma Clinical Trials: Systematic Review
Ali Haider Bangash1, Jessica Ryvlin1, Vikram Chakravarthy2
1Spine Research Group, Montefiore Medical Center, Albert Einstein College of Medicine, Bronx, NY 10467, USA.
Background:
Chordoma is a rare bone cancer with limited treatment options. Clinical trials are crucial for developing effective therapies, but their success depends on including diverse patient populations. The objective of this study was to systematically evaluate the reporting of racial, ethnic, and socioeconomic diversity in United States clinical trials exploring treatment for chordoma.
Methods:
A literature search was conducted through PubMed/Medline, Cochrane, Epistemonikos, and ClinicalTrials.gov databases for published US chordoma trials up until 19 August 2024. The data collected included trial characteristics and racial and ethnic data, as well as socioeconomic indicators when available. Methodological Index for Non-Randomized Studies (MINORS) and Revised Cochrane Risk-of-Bias Tool for Randomized Trials (RoB2) analyses were adopted to assess the methodological quality. The N-1 Chi-squared (χ2) test was implemented to compare the reported racial and ethnic data with the most recent US Census Bureau data.
Results:
Five trials involving 111 patients (median age: 63 years; 34% female) were included. Four studies (80%) were single-arm non-randomized studies with one study (25%) having a high methodological quality and three (75%) having a moderate quality based on the MINORS analysis. Most patients (91%, n = 82) were White/Caucasian, representing a proportion which was significantly higher than the reported 75% in the US population (p = 0.0005). Black/African American patients (2%, n = 2) were significantly underrepresented compared to the 14% in the US population (p = 0.0015). Regarding ethnicity, Hispanic/Latino patients (7%, n = 6) were significantly underrepresented compared to the 20% in the US population (p = 0.0021). No measures of socioeconomic status were reported.
Conclusions:
This systematic review highlighted the need for improved racial and ethnic diversity in chordoma trials and the better reporting of socioeconomic data. The underrepresentation of minority groups may obscure potential disparities in disease incidence, treatment access, and clinical outcomes.
Insights
Chordoma clinical trials need better diversity. Minority groups are underrepresented, and socioeconomic data is missing, potentially impacting treatment outcomes and access.
Area of Science:
- Oncology
- Clinical Trial Research
- Health Disparities
Background:
- Chordoma is a rare bone cancer with limited treatment options.
- Clinical trials are essential for developing new therapies.
- Patient diversity in trials is crucial for generalizable results.
Purpose of the Study:
- To systematically evaluate the reporting of racial, ethnic, and socioeconomic diversity in United States clinical trials for chordoma.
- To assess the representation of different demographic groups in chordoma research.
- To identify gaps in data collection regarding patient diversity in chordoma treatment studies.
Main Methods:
- A comprehensive literature search was performed across major databases (PubMed/Medline, Cochrane, Epistemonikos, ClinicalTrials.gov).
- Data on trial characteristics, racial/ethnic data, and socioeconomic indicators were extracted.
- Statistical analysis (N-1 Chi-squared test) compared trial demographics to US Census data; methodological quality was assessed using MINORS and RoB2 tools.
Main Results:
- Five chordoma trials with 111 patients were analyzed.
- White/Caucasian patients were overrepresented (91% vs. 75% in the US population).
- Black/African American (2% vs. 14%) and Hispanic/Latino (7% vs. 20%) populations were significantly underrepresented; no socioeconomic data was reported.
Conclusions:
- Chordoma clinical trials require improved reporting and inclusion of racial and ethnic diversity.
- Underrepresentation of minority groups may mask disparities in disease incidence, treatment access, and outcomes.
- There is a critical need for better collection and reporting of socioeconomic data in chordoma research.
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