Evidence map›Paper›PMID 41625831›Full record

ReviewCureus2025

Mixed-Methods Study With a Systematic Review of Personalized Drug Therapy Approaches and Survey Analysis of Pharmacogenomics in Internal Medicine.

Mohammed Shahid Elachola, Abhijith P Sasikumarame, Usman G Lashari, Hamna Nazeer, Rislaj H Koduvayalil, Hanoona Fathima, Shaharin K Ponnumundasseri, Avrina K Ririe

Abstract readReview
In one paragraph

Review in Cureus, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

0numbers the graph read from it
0cells of the map it votes in
0citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

0 citing papers in PubMed.

No citing paper in PubMed yet.

4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

8 authors.

Mohammed Shahid ElacholaDepartment of Acute Medicine, Northampton General Hospital NHS Trust, Northampton, GBR.
Abhijith P SasikumarameDepartment of General Medicine, Northampton General Hospital, Northampton, GBR.
Usman G LashariDepartment of Medicine, Brown University, Providence, USA.
Hamna NazeerDepartment of Acute Medicine, Northampton General Hospital NHS Trust, Northampton, GBR.
Rislaj H KoduvayalilDepartment of Acute Medicine, Medway Maritime Hospital NHS Foundation Trust, Kent, GBR.
Hanoona FathimaDepartment of General Medicine, Northampton General Hospital NHS Trust, United Kingdom, Kent, GBR.
Shaharin K PonnumundasseriDepartment of Acute Medicine, Medway Maritime Hospital NHS Foundation Trust, Kent, GBR.
Avrina K RiriePathology and Laboratory Medicine, University of California Los Angeles, Los Angeles, USA.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Pharmacogenomics is the study of how an individual's genetic constitution affects their response to drugs. In internal medicine, pharmacogenomics has the potential to transform prescribing practices, making them more precise, effective, and safe for patients. On the other hand, factors that pose barriers to its use include cost implications, limited access to genetic testing, and a lack of strong clinical guidelines. This project seeks to analyze the impact of pharmacogenomics on internal medicine by examining its implications for prescribing, personalized treatment, and the barriers it encounters. It also aims to assess the integration of pharmacogenomics into healthcare systems and to analyze how it can be used to enhance treatment outcomes, minimize adverse drug reactions, and maximize patient protection. A mixed-methods approach was used, combining a Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA)-guided systematic review with a quantitative clinician survey, and including validity, reliability, correlation, and regression analyses. This study was conducted according to PRISMA guidelines and included 23 studies: 15 review articles, five cohort studies, and three case studies. The analysis involved searching all key databases, including PubMed, Scopus, ScienceDirect, and Web of Science, for peer-reviewed articles published from January 2019 to September 2025. The eligibility criteria scoped for the application were based on pharmacogenomics literature in internal medicine, clinical trials, observational studies, and systematic reviews. Exclusion criteria included articles unrelated to pharmacogenomics, publications without peer review, and studies deemed clinically irrelevant. Trends, barriers, and prospective pathways in pharmacogenomics were synthesized from the extracted data. As pharmacogenomics is integrated into clinical practice, it is increasingly applied in drug prescribing, playing prominent roles in predicting medication efficacy, guarding against adverse drug reactions, and tailoring doses for individuals. The application of pharmacogenomics in internal medicine helps refine predictions of therapeutic responses, reduce adverse effects, and "precision" the medicine given, making it a crucial asset for personalized medicine. As a mixed-methods design, generalizability of survey findings is limited by purposive sampling and sample size, although triangulation with systematic review evidence strengthens validity. Constraints such as costs, ethical considerations, and limited clinical applicability hinder the realization of its potential. The results of the study are essential for medical professionals, healthcare system administrators, and researchers interested in applying pharmacogenomics in practice to serve patients optimally.

Indexed as

drug effectivenessdrug therapy customizationgenetic screeninghealth care informatics and technologyinternal medicinemedical ethicsmedicine consumer support systemsnegative drug reactionspharmacogenomicstailoring medicine to individuals

Identifiers

PMID41625831
PMCPMC12854540

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Registered trials

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.