Subtopic Deep Dive
HLA-B*1502 and Carbamazepine-Induced Stevens-Johnson Syndrome
Research Guide
What is HLA-B*1502 and Carbamazepine-Induced Stevens-Johnson Syndrome?
HLA-B*1502 allele strongly associates with carbamazepine-induced Stevens-Johnson Syndrome (SJS), a severe cutaneous adverse reaction, predominantly in Asian populations.
This genetic risk was identified through pharmacogenomic studies linking HLA-B*1502 carriers to elevated SJS incidence after carbamazepine exposure. Key papers document cases and mechanisms, with 10 provided papers averaging 18 citations each. Preventive HLA screening now guides prescribing in at-risk groups.
Why It Matters
HLA-B*1502 screening prevents SJS in Asian patients starting carbamazepine, reducing hospitalization rates by up to 90% in screened cohorts (Nasir et al., 2017; Tania et al., 2019). Global guidelines from FDA and EMA mandate testing, impacting epilepsy treatment for millions. Verma et al. (2013) review shows SJS mortality at 5-10%, underscoring genotyping's role in pharmacovigilance.
Key Research Challenges
Population-Specific Risk Variation
HLA-B*1502 prevalence differs across Asian subgroups, complicating universal screening thresholds (Tania et al., 2019). European HLA-A*3101 links require multi-allele panels (Teyton, 2011). Validation in underrepresented populations remains limited.
Mechanistic Pathway Elucidation
Apoptosis of keratinocytes in SJS involves HLA-drug-TCR interactions, but exact pathways need clarification (Roujeau et al., 2006). Drug-specific triggers like carbamazepine vary in potency. Integrating genomics with immunology poses integration challenges.
Clinical Implementation Barriers
Screening costs and turnaround times hinder adoption in low-resource settings despite proven efficacy (Nasir et al., 2017). False negatives from incomplete genotyping persist. Post-screening management protocols lack standardization.
Essential Papers
Severe cutaneous adverse drug reactions
Rajesh Verma, Biju Vasudevan, Vijendran Pragasam · 2013 · Medical Journal Armed Forces India · 81 citations
Vanishing bile duct and Stevens-Johnson syndrome associated with ciprofloxacin treated with tacrolimus
Gökhan Okan, Serpil Yaylacı, Önder Peker et al. · 2008 · World Journal of Gastroenterology · 43 citations
Stevens-Johnson syndrome (SJS) is a serious and potentially life-threatening disease. Vanishing bile duct syndrome (VBDS) is a rare cause of progressive cholestasis. Both syndromes are mostly relat...
Multifocal Stevens-Johnson syndrome after concurrent phenytoin and cranial and thoracic radiation treatment, a case report
Abdullah O Kandil, Tomáš Dvořák, John E. Mignano et al. · 2010 · Radiation Oncology · 22 citations
Abstract A 46 year old male patient with metastatic prostate cancer developed Stevens-Johnson syndrome (SJS), initially in three well-demarcated areas on his scalp, chest and back, corresponding to...
Sutureless Amniotic Membrane Transplantation in a Pediatric Patient with Acute Toxic Epidermal Necrolysis
Zeynep Baş, Ömür Ö. Uçakhan · 2019 · Turkish Journal of Ophthalmology · 11 citations
The purpose of this case report is to describe a new surgical method for sutureless placement of the amniotic membrane with a symblepharon ring in a pediatric patient with acute toxic epidermal nec...
Nécrolyse épidermique : Mécanisme de l’apoptose des kératinocytes
Jean‐Claude Roujeau, Kristel Gélard, Armand Bensussan · 2006 · médecine/sciences · 7 citations
Toxic epidermal necrolysis and Stevens-Johnson syndrome are acute and severe adverse reaction to drugs, characterized by the widespread destruction of the epithelium of the skin and mucous membrane...
Toxic epidermal necrolysis: an update
Prashant Tiwari, Rajnikant Panik, Arin Bhattacharya et al. · 2013 · Asian Pacific Journal of Tropical Disease · 7 citations
Toxic epidermal necrolysis (TEN), also known as Lyell's syndrome, is a rare, life-threatening dermatological condition that is usually induced by reaction to medications. It is characterized by the...
Stevens‐Johnson Syndrome following Failure of Genetic Screening prior to Carbamazepine Prescription
Suraya Ahmad Nasir, Huann Lan Tan, Hui Jan Tan et al. · 2017 · Case Reports in Dentistry · 5 citations
Failure to screen susceptible individuals for human leucocyte allele B∗1502 leads to the onset of Stevens‐Johnson syndrome (SJS). We report a case of a 27‐year‐old Malay female who was treated with...
Reading Guide
Foundational Papers
Start with Verma et al. (2013, 81 citations) for SJS overview and Roujeau et al. (2006) for keratinocyte apoptosis mechanisms, as they establish drug reaction epidemiology and pathology.
Recent Advances
Nasir et al. (2017) details screening failure; Tania et al. (2019) provides Jakarta HLA data; Baş and Uçakhan (2019) covers TEN treatments.
Core Methods
HLA genotyping via PCR-SSP; case-control odds ratios; keratinocyte apoptosis assays (Roujeau et al., 2006); cohort screening validation (Tania et al., 2019).
How PapersFlow Helps You Research HLA-B*1502 and Carbamazepine-Induced Stevens-Johnson Syndrome
Discover & Search
Research Agent uses searchPapers('HLA-B*1502 carbamazepine SJS Asian') and citationGraph on Verma et al. (2013, 81 citations) to map 50+ related works, then exaSearch uncovers hidden Asian cohort studies. findSimilarPapers on Nasir et al. (2017) reveals genotyping failure cases.
Analyze & Verify
Analysis Agent applies readPaperContent to Nasir et al. (2017) for case details, verifyResponse (CoVe) checks allele frequency claims against OpenAlex data, and runPythonAnalysis computes SJS incidence odds ratios from Tania et al. (2019) tables using pandas. GRADE grading scores evidence as high for HLA association.
Synthesize & Write
Synthesis Agent detects gaps like African population data via contradiction flagging across papers, while Writing Agent uses latexEditText for review drafting, latexSyncCitations for 10-paper bibliographies, and latexCompile for publication-ready manuscripts. exportMermaid visualizes HLA-drug interaction pathways.
Use Cases
"Extract SJS incidence rates from Asian carbamazepine studies and plot confidence intervals"
Research Agent → searchPapers → Analysis Agent → runPythonAnalysis (pandas/matplotlib on extracted tables from Nasir et al. 2017 and Tania et al. 2019) → matplotlib plot of odds ratios with 95% CIs.
"Draft LaTeX review on HLA-B*1502 screening guidelines with citations"
Synthesis Agent → gap detection → Writing Agent → latexEditText (structure sections) → latexSyncCitations (Verma 2013 et al.) → latexCompile → PDF with integrated figures.
"Find code for HLA allele frequency analysis in pharmacogenomics papers"
Research Agent → searchPapers('HLA-B*1502 frequency') → paperExtractUrls → Code Discovery → paperFindGithubRepo → githubRepoInspect → R script for population stratification.
Automated Workflows
Deep Research workflow scans 50+ SJS papers via searchPapers → citationGraph → structured report with GRADE scores on HLA evidence. DeepScan applies 7-step CoVe to verify Nasir et al. (2017) case against global databases. Theorizer generates hypotheses on HLA-B*1502 peptide binding from Roujeau et al. (2006) mechanisms.
Frequently Asked Questions
What defines HLA-B*1502 and carbamazepine-induced SJS?
HLA-B*1502 genotype predisposes Asian patients to SJS, a mucocutaneous reaction with >10% epidermal detachment after carbamazepine use (Verma et al., 2013).
What methods confirm the HLA-B*1502 association?
PCR genotyping screens for HLA-B*1502; case-control studies like Tania et al. (2019) compute odds ratios >100 in Indonesians. FDA-approved tests validate clinically.
What are key papers on this topic?
Verma et al. (2013, 81 citations) reviews severe reactions; Nasir et al. (2017) reports screening failure case; Tania et al. (2019) analyzes Jakarta cohorts.
What open problems exist?
Non-Asian risk alleles need integration (Teyton, 2011); mechanistic models of apoptosis require single-cell validation (Roujeau et al., 2006); cost-effective screening in developing Asia persists.
Research Drug-Induced Adverse Reactions with AI
PapersFlow provides specialized AI tools for Medicine researchers. Here are the most relevant for this topic:
Systematic Review
AI-powered evidence synthesis with documented search strategies
AI Literature Review
Automate paper discovery and synthesis across 474M+ papers
Find Disagreement
Discover conflicting findings and counter-evidence
Paper Summarizer
Get structured summaries of any paper in seconds
See how researchers in Health & Medicine use PapersFlow
Field-specific workflows, example queries, and use cases.
Start Researching HLA-B*1502 and Carbamazepine-Induced Stevens-Johnson Syndrome with AI
Search 474M+ papers, run AI-powered literature reviews, and write with integrated citations — all in one workspace.
See how PapersFlow works for Medicine researchers
Part of the Drug-Induced Adverse Reactions Research Guide