ArticleIndian journal of endocrinology and metabolism2012
Drugs affecting HbA1c levels.
Article in Indian journal of endocrinology and metabolism, 2012. The graph could read no effect estimate from its abstract, so it casts no vote on the map. It is linked to trial NCT03711682 (Hypoglycemic Effect of Cinnamomum Verum in Type 2 Diabetic Patients in the Municipality of Comasagua), which is not on this map. Cited by 33 papers, 1 of them a synthesis 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.
Hypoglycemic Effect of Cinnamomum Verum in Type 2 Diabetic Patients in the Municipality of Comasagua
Who cites it
33 citing papers in PubMed, 1 synthesis or guideline pooled it.
- Glycaemic and Cardiometabolic Outcomes of Empagliflozin Versus Sitagliptin Added to Metformin in T2DM: Insights From a Systematic Review and Meta-Analysis.Endocrinology, diabetes & metabolism · 2026Pooled it
- Discordantly Low HbA1c in Patients Receiving Dapsone: Prevalence and Associations with Hemolysis and Methemoglobinemia.International journal of endocrinology and metabolism · 2026Article
- [Diabetes and migration - Recommendations for the practice (Update 2026)].Wiener klinische Wochenschrift · 2026Article
- Markedly Discordant and Rapidly Changing Hemoglobin A1c Values in a Normoglycemic Patient: A Case Report.Cureus · 2026Article
- Normal glycosylated hemoglobin masking glucose dysregulation in a patient with pancreatic and hematologic disease.JCEM case reports · 2026Article
- A Novel Aberrant HbF Peak with Electrophoretic Shift in A1c of a Patient with Chronic Lymphocytic Leukemia (CLL) Was Reversible to Give Interpretable Results.Biomedicines · 2026Article
- Seasonal Variations in Estimated Whole Blood Viscosity Associated with HbA1c: Evidence from Retrospective Pathology Review for Diabetes Management.International journal of molecular sciences · 2025Observational
- HbA1c levels in hemoglobin H disease.Biochemistry and biophysics reports · 2025Article
- First Reported Case of Hemoglobin Graz in the United States: Implications for Misleading Hemoglobin AJCEM case reports · 2025Article
- RETRACTED: Effects of continuing nursing intervention on high-risk patients with diabetic foot ulcers: A meta-analysis.International wound journal · 2024Article
- Abnormally Low HbABritish journal of biomedical science · 2024Review
- Global variation in diabetes diagnosis and prevalence based on fasting glucose and hemoglobin A1c.Nature medicine · 2023Article
- Impact of haemoglobin variants on the use of haemoglobin A1c for the diagnosis and monitoring of diabetes: a contextualised review.Irish journal of medical science · 2023Review
- Interpretation of HbA1c lies at the intersection of analytical methodology, clinical biochemistry and hematology (Review).Experimental and therapeutic medicine · 2022Review
- Glycated hemoglobin level dynamics in COVID-19 survivors: 12 months follow-up study after discharge from hospital.PloS one · 2022Article
- Does Hepatitis C Virus Treatment by Directly Acting Antivirals Obligate Shifting Patients with Type 2 Diabetes from Oral Hypoglycemic Drugs to Insulin Therapy?Diabetes, metabolic syndrome and obesity : targets and therapy · 2022Article
- Direct and Label-Free Determination of Human Glycated Hemoglobin Levels Using Bacteriorhodopsin as the Biosensor Transducer.Sensors (Basel, Switzerland) · 2020Article
- Burnt Out? The Phenomenon of Type 2 Diabetes Mellitus in End-Stage Renal Disease.Federal practitioner : for the health care professionals of the VA, DoD, and PHS · 2020Article
- Update on the current modalities used to screen high risk youth for prediabetes and/or type 2 diabetes mellitus.Annals of pediatric endocrinology & metabolism · 2019Article
- CYP2E1 activity and children with obesity: possible confounding factors.British journal of clinical pharmacology · 2019Article
Corrections and comments
PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.
Authors and funding
3 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Glycated hemoglobin (HbA1c) is an important indicator of glycemic control in diabetes mellitus, based on which important diagnostic and therapeutic decisions are routinely made. However, there are several situations in which the level of HbA1c may not faithfully reflect the glycemic control in a given patient. Important among these is the use of certain non-diabetic medications, which can affect the HbA1c levels in different ways. This review focuses on the non-diabetic medications which can inappropriately raise or lower the HbA1c levels, and the postulated mechanisms for the same.
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Registered trials
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.