ArticleMedicine2020
Methylphenidate has mild hyperglycemic and hypokalemia effects and increases leukocyte and neutrophil counts.
Article in Medicine, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
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.
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Who cites it
6 citing papers in PubMed, 12 citations in OpenAlex.
- The Metabolic Mind: Revisiting Glucose Metabolism and Justice Involvement in Neurolaw.NeuroSci · 2025Article
- Holistic Management of Adult ADHD with a History of Addiction: Emphasis on Low-Addiction-Risk Psychopharmacotherapy.Journal of clinical medicine · 2025Review
- Cumulative ADHD medication use and risk of type 2 diabetes in adults: a Swedish Register study.BMJ mental health · 2024Article
- Review
- Pharmacological Management of Apathy in Dementia.CNS drugs · 2022Review
- Effects of methylphenidate on height, weight and blood biochemistry parameters in prepubertal boys with attention deficit hyperactivity disorder: an open label prospective study.Scandinavian journal of child and adolescent psychiatry and psychology · 2021Article
Corrections and comments
PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.
Authors and funding
5 authors at 2 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Various psychotropic drugs may affect the hematological and biochemical profiles of plasma and its metabolism. Carbamazepine, the most well-known psychotropic drug, can cause substantial hyponatremia. Methylphenidate, a piperidine derivative structurally related to amphetamines, acts as a central nervous system stimulant. The current study evaluated whether methylphenidate affects hematological and biochemical parameters of patients diagnosed with attention deficit hyperactivity disorder.Patients undergoing treatment for attention deficit hyperactivity disorder at our Adolescent Psychiatric Clinic were enrolled in the study. Blood samples for complete blood count and common biochemical analyses were collected before patients started methylphenidate and after 3 months of continuous treatment.Participants included 64 patients comprised the study cohort. There were 48 (75%) males and 16 (25%) females, with a median age of 16 years (range 11-31). The total median potassium level decreased by 0.6 mg/dL (P < .0001), while glucose rose by 15 mg/dL (P < .0001), sodium decreased in 0.7meq/L, (P = .006). The white blood count rose by 1350 cells/μL (P < .033) due to neutrophilia, lymphocytosis and eosinophilia. Hemoglobin rose slightly by 0.1 (P = .041). Changes in calcium, phosphorus, protein, albumin, and liver enzyme levels were not significant.The results indicate that methylphenidate may cause hypokalemia and elevated glucose, leukocyte, neutrophil, lymphocyte and eosinophil counts.
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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.