Trial reportLancet (London, England)2019
Clinical and biological predictors of response to standardised paediatric colitis therapy (PROTECT): a multicentre inception cohort study.
Trial report in Lancet (London, England), 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. It is linked to trial NCT01536535 (Multicenter Open-label Study Evaluating the Safety and Efficacy of Standardized Initial Therapy Using Either Mesalamine or Corticosteroids Then Mesalamine to Treat Children and Adolescents With Newly Diagnosed Ulcerative Colitis.), which is not on this map. Cited by 84 papers, 2 of them syntheses that pooled 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.
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.
Multicenter Open-label Study Evaluating the Safety and Efficacy of Standardized Initial Therapy Using Either Mesalamine or Corticosteroids Then Mesalamine to Treat Children and Adolescents With Newly Diagnosed Ulcerative Colitis.
Who cites it
84 citing papers in PubMed, 2 syntheses or guidelines pooled it, 162 citations in OpenAlex.
- Management of paediatric ulcerative colitis, part 1: Ambulatory care-An updated evidence-based consensus guideline from the European Society of Paediatric Gastroenterology, Hepatology and Nutrition and the European Crohn's and Colitis Organisation.Journal of pediatric gastroenterology and nutrition · 2025Guideline
- Gut microbiome-associated predictors as biomarkers of response to advanced therapies in inflammatory bowel disease: a systematic review.Gut microbes · 2023Pooled it
- Effect of curcumin on the gut microbiota of patients with ulcerative colitis, Crohn's disease and healthy participants.Scientific reports · 2026Trial
- Longitudinal non-adherence predicts treatment escalation in paediatric ulcerative colitis.Alimentary pharmacology & therapeutics · 2019Trial
- Immunoglobulin A protease fromGut microbes · 2026Article
- A Novel Cationic Antimicrobial Peptide ScymidgutinProbiotics and antimicrobial proteins · 2026Article
- The ImproveCareNow Registry: Prediction of different remission rates in pediatric ulcerative colitis.JPGN reports · 2026Article
- Automated Eosinophil Quantification Using Deep Learning to Predict Therapy Escalation in Pediatric Ulcerative Colitis.Clinical and translational gastroenterology · 2026Article
- Presentation and Clinical Outcomes of Inflammatory Bowel Disease in Children and Adolescents at a Tertiary Care Center in Lebanon.Journal of clinical medicine · 2026Article
- Epigenetic biomarkers in inflammatory bowel diseases-computational challenges and opportunities.Journal of Crohn's & colitis · 2026Review
- Article
- Prediction of Relapse and Steroid Dependency in Pediatric Ulcerative Colitis.Medicina (Kaunas, Lithuania) · 2025Article
- Patient-derived colon epithelial organoids reveal lipid-related metabolic dysfunction in pediatric ulcerative colitis.Nature communications · 2025Article
- Tissue MicroRNA Expression Signatures as Diagnostic Biomarkers and Predictors of Residual Disease Activity and Relapse in Treatment-Naïve Pediatric Inflammatory Bowel Disease.Inflammatory bowel diseases · 2025Article
- Towards IBD Prediction and Prevention: The Contribution of Genetics and Genomics.Inflammatory bowel diseases · 2025Review
- Combining mucosal microbiome and host multi-omics data shows prognostic potential in paediatric ulcerative colitis.Nature communications · 2025Article
- Microbiota in inflammatory bowel disease: mechanisms of disease and therapeutic opportunities.Nature reviews. Microbiology · 2025Review
- Intestinal histopathology in pediatric PSC-IBD: Characterization of phenotype and assessment of the Nancy Index.Journal of pediatric gastroenterology and nutrition · 2025Article
- Examination of Social Determinants of Health Characteristics Influencing Maternal Postpartum Symptom Experiences.Journal of racial and ethnic health disparities · 2025Article
- Eleven Grand Challenges for Inflammatory Bowel Disease Genetics and Genomics.Inflammatory bowel diseases · 2025Review
24 more citing papers are in PubMed but not listed here.
Corrections and comments
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Authors and funding
50 authors at 20 institutions in 3 countries.
Funding
Abstract
backgroundLack of evidence-based outcomes data leads to uncertainty in developing treatment regimens in children who are newly diagnosed with ulcerative colitis. We hypothesised that pretreatment clinical, transcriptomic, and microbial factors predict disease course.
methodsIn this inception cohort study, we recruited paediatric patients aged 4-17 years with newly diagnosed ulcerative colitis from 29 centres in the USA and Canada. Patients initially received standardised mesalazine or corticosteroids, with pre-established criteria for escalation to immunomodulators (ie, thiopurines) or anti-tumor necrosis factor-α (TNFα) therapy. We used RNA sequencing to define rectal gene expression before treatment, and 16S sequencing to characterise rectal and faecal microbiota. The primary outcome was week 52 corticosteroid-free remission with no therapy beyond mesalazine. We assessed factors associated with the primary outcome using logistic regression models of the per-protocol population. This study is registered with ClinicalTrials.gov, number NCT01536535.
findingsBetween July 10, 2012, and April 21, 2015, of 467 patients recruited, 428 started medical therapy, of whom 400 (93%) were evaluable at 52 weeks and 386 (90%) completed the study period with no protocol violations. 150 (38%) of 400 participants achieved week 52 corticosteroid-free remission, of whom 147 (98%) were taking mesalazine and three (2%) were taking no medication. 74 (19%) of 400 were escalated to immunomodulators alone, 123 (31%) anti-TNFα therapy, and 25 (6%) colectomy. Low baseline clinical severity, high baseline haemoglobin, and week 4 clinical remission were associated with achieving week 52 corticosteroid-free remission (n=386, logistic model area under the curve [AUC] 0·70, 95% CI 0·65-0·75; specificity 77%, 95% CI 71-82). Baseline severity and remission by week 4 were validated in an independent cohort of 274 paediatric patients with newly diagnosed ulcerative colitis. After adjusting for clinical predictors, an antimicrobial peptide gene signature (odds ratio [OR] 0·57, 95% CI 0·39-0·81; p=0·002) and abundance of Ruminococcaceae (OR 1·43, 1·02-2·00; p=0·04), and Sutterella (OR 0·81, 0·65-1·00; p=0·05) were independently associated with week 52 corticosteroid-free remission.
interpretationOur findings support the utility of initial clinical activity and treatment response by 4 weeks to predict week 52 corticosteroid-free remission with mesalazine alone in children who are newly diagnosed with ulcerative colitis. The development of personalised clinical and biological signatures holds the promise of informing ulcerative colitis therapeutic decisions.
fundingUS National Institutes of Health.
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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.