Research in coronary heart disease shows misalignment between investment and clinical guideline priorities
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Key Takeaway
Note the significant gap between current research investment and clinical priorities in coronary heart disease management.
This analysis of research trends evaluates the landscape of coronary heart disease research in China, analyzing 3,339 publications and 1,433 interventional drug trials. The authors identify a notable discrepancy between current research investments and actual clinical guideline priorities. While publication volume increased from 41 to 353 (a 760% increase) between 2006 and 2020, the distribution of study types shows that bioequivalence studies account for 76.4% of the total.
Drug category analysis reveals that calcium channel blockers represent the largest drug category at 45.9%. Furthermore, chemical pharmaceuticals dominate research compared to traditional Chinese medicine (78.6% vs 21.4%). Genomic research focus is also uneven; while inflammatory biomarkers like CRP, IL6, and TNF account for 25.8%, lipid metabolism targets are underrepresented at 12.4%.
The analysis highlights a significant mismatch between policy-driven research and clinically aligned innovative development. Specifically, the high volume of bioequivalence studies suggests a focus on established drugs rather than novel therapeutic developments. These findings suggest that while publication output is growing, the research landscape may not fully address the most pressing clinical needs in coronary heart disease management.
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View Original Abstract ↓
BackgroundCoronary heart disease (CHD) is the leading cause of mortality in China, yet the alignment between pharmaceutical research investment and clinical therapeutic priorities remains uncharacterized.MethodsWe conducted a dual-stream analysis. Stream A (Bibliometric): systematic searches of PubMed, Embase, Scopus, and Web of Science yielded 12,032 records; after deduplication and screening, 3,339 publications met inclusion criteria. Stream B (Clinical Trials): searches of CDCTP and ChiCTR identified 1,433 interventional drug trials after deduplication and quality control. Drugs were standardized to the WHO ATC classification; TCM ingredients to TCMID 2.0.ResultsCHD research output expanded exponentially: Publications increased from 41 (2006) to 353 (2020; 760% increase), with 265 in 2025 (546% increase from baseline). Strikingly, 76.4% of trials were bioequivalence studies, with chemical pharmaceuticals dominating (78.6%) over traditional Chinese medicine (21.4%); calcium channel blockers comprised the largest drug category (45.9%. Notably, Critical gaps emerged: genomic research concentrated on inflammatory biomarkers (CRP, IL6, TNF; 25.8% of gene associations) while lipid metabolism targets were underrepresented (12.4%) despite statin therapeutic dominance; publication venue prestige demonstrated inverse volume-impact correlation (19.7% Q1 vs. 33.6% Q3 journals). Thus, quantitative expansion (compound annual growth rate (CAGR) 10.4%) coexisted with qualitative ceiling effects and target-drug mismatches between research investment and clinical guideline priorities.ConclusionChina’s CHD research landscape is policy-driven rather than clinically aligned: generic bioequivalence validation dominates (76.4%) while innovative therapeutic development and high-impact dissemination lag. Strategic rebalancing toward lipid metabolism genomic discovery, Phase II-III novel drug trials, and Q1 journal publication is imperative to bridge the research-clinical practice gap and align with global cardiovascular science standards.
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