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Published on: August 12, 2013
Lithium Formulations in Clinical Practice
Maria Antonietta Barbieri1, Elena Bruzzone2, Edoardo Spina1
1Department of Clinical and Experimental Medicine, University of Messina, Italy.
Current Neuropharmacology
|July 28, 2026
Summary
Sustained-release lithium formulations offer improved tolerability and convenience for mood disorder management. These formulations, particularly lithium sulfate, may provide steadier serum concentrations and fewer side effects compared to immediate-release options.
Area of Science:
- Psychiatry and Pharmacology
- Neuroscience and Therapeutics
Background:
- Lithium is a cornerstone treatment for mood disorders, established for over 70 years.
- It demonstrates efficacy in acute mania, bipolar disorder relapse prevention, and possesses anti-suicidal properties.
Purpose of the Study:
- To review current evidence on lithium use across the lifespan.
- To focus on pharmacokinetic characteristics and clinical implications of different lithium formulations (Immediate-Release vs. Sustained-Release).
- To discuss practical aspects of lithium therapy, including monitoring, interactions, toxicity, and special populations.
Main Methods:
- Comprehensive literature review of existing evidence on lithium formulations.
- Analysis of pharmacokinetic data comparing Immediate-Release (IR) and Sustained-Release (SR) lithium.
- Discussion of clinical implications, therapeutic drug monitoring, and management strategies.
Main Results:
- Sustained-Release (SR) formulations exhibit slower absorption, delayed peak concentrations, and reduced peak-trough fluctuations compared to IR.
- SR formulations achieve comparable overall exposure to IR formulations with potentially fewer peak-related adverse effects.
- Lithium sulfate SR may offer more predictable absorption and steadier serum concentrations.
Conclusions:
- SR lithium formulations may enhance tolerability and simplify administration (once-daily) for long-term, individualized mood disorder treatment.
- Evidence is limited by a lack of large comparative trials and reliance on observational data.
- Further research is needed to confirm the advantages of SR formulations in diverse patient populations.
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