Calcium pangamate
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Summary
Calcium pangamate, occasionally referred to as vitamin B15, is a calcium salt of pangamic acid that has been investigated for several pharmacological actions. Early clinical observations suggested it may raise high‑density lipoprotein (HDL) cholesterol in patients with cerebral arteriosclerosis, while animal experiments reported protective effects on liver cells after toxic injury. A small human trial using the related compound dimethylglycine (DMG) reported enhanced antibody responses to vaccination, leading to interest in possible immunomodulatory properties.
Mechanism of Action
The precise biochemical mechanisms of calcium pangamate remain undefined. One clinical report linked its use to increased serum HDL, attributing the effect to stimulation of phospholipid incorporation into HDL particles. In vitro and in vivo studies of the related molecule dimethylglycine suggest a capacity to modulate immune cell function, enhancing both humoral antibody production and cell‑mediated responses, possibly through effects on free‑radical handling or cytokine release. No specific receptor or pathway has been conclusively identified.
What the Research Shows
Human data are limited to a double‑blind study of 20 volunteers who received oral dimethylglycine, an analog of calcium pangamate, which showed a fourfold increase in pneumococcal vaccine antibody titres and heightened leukocyte inhibition responses. A separate Russian clinical observation in patients with cerebral arteriosclerosis reported that calcium pangamate increased HDL levels and reduced a cholesterol‑atherogenicity index, though methodological details were sparse. In rodent models of carbon‑tetrachloride‑induced liver dystrophy, calcium pangamate alone or combined with orotic acid improved ultrastructural hepatocyte integrity, bile secretion, and cholesterol excretion. An older Russian report mentioned efficacy in coronary arteriosclerosis without providing outcome data. Overall, evidence consists of small human trials, case‑series observations, and pre‑clinical animal studies.
Reported Benefits
Available reports suggest calcium pangamate may modestly raise HDL cholesterol in patients with cerebrovascular atherosclerosis, potentially improving lipid profiles. In animal models, it appears to protect liver cells from toxic injury, supporting bile production and cholesterol metabolism. The related dimethylglycine compound has shown immunostimulatory effects, notably enhanced antibody responses to vaccination, indicating possible benefits for immune function. These findings are preliminary and derived from limited sample sizes.
Limitations of the Evidence
Human evidence is restricted to a single small trial of a related compound and an uncontrolled clinical observation; no large‑scale, randomized studies exist. Many findings derive from rodent experiments, which may not translate to humans. Mechanistic insights are speculative, and dosing regimens, optimal duration, and long‑term outcomes remain undefined. Consequently, the therapeutic value of calcium pangamate cannot be reliably established at this stage.
Safety Considerations
The cited literature does not report adverse events or safety assessments for calcium pangamate or its analogs. Absence of documented side‑effects does not equate to proven safety, especially given the paucity of controlled human data. Until systematic toxicity and tolerability studies are performed, caution is advised when considering use, particularly in individuals with liver or cardiovascular disease.
How It Is Administered
In the human immunology study, dimethylglycine was administered orally as tablets; the route for calcium pangamate in other reports was not specified but is presumed to be oral based on typical supplement use. No formulation details, dosing schedules, or pharmacokinetic information are provided in the available abstracts.
Routes of Administration
No administration routes recorded yet.
Goals & Uses
No goal associations recorded yet.
Contraindications
No contraindications recorded yet.
Adverse Effects
No adverse effects recorded yet.
Drug Interactions
No drug interactions recorded yet.
Population Constraints
No population constraints recorded yet.
Regulatory Status
No regulatory status recorded yet.
Evidence & Sources
- Journal ArticleLowRastopchin IP1984-01-01T00:00:00.000000Z
- Journal ArticleLowYovchev I, Dryanovska L1976-01-01T00:00:00.000000Z
- Journal ArticleModerateGraber CD, et al.1981-01-01T00:00:00.000000Z
- Journal ArticleLowPosokhova EA1981-01-01T00:00:00.000000Z
- Journal ArticleLowPosokhova EA1978-01-01T00:00:00.000000Z
- Journal ArticleLowKondrakov VM1971-01-01T00:00:00.000000Z
Frequently Asked Questions
Is calcium pangamate an approved medication?
No regulatory approval has been documented for calcium pangamate. The available literature consists of early clinical observations and experimental studies, but it has not been evaluated or authorized by health authorities for any specific indication.
Can calcium pangamate improve cholesterol levels?
A small uncontrolled study in patients with cerebral arteriosclerosis reported increased HDL cholesterol after calcium pangamate treatment, suggesting a possible lipid‑modifying effect. However, the evidence is limited and not confirmed by larger clinical trials.
Does calcium pangamate boost the immune system?
A double‑blind trial of dimethylglycine, a structural analogue, showed a fourfold rise in vaccine‑specific antibodies and enhanced leukocyte activity, indicating potential immunostimulatory properties. Direct evidence for calcium pangamate itself is lacking.
Is calcium pangamate safe to use?
Safety data are absent from the cited publications. No adverse events were reported, but the small size and limited scope of studies mean that potential risks remain unknown. Professional medical advice is recommended before use.
How is calcium pangamate typically taken?
The human study used oral tablets of dimethylglycine; other reports do not specify the route. In experimental animal work, the compound was likely administered orally or via injection, but precise details are not provided.
What is Calcium pangamate?
Calcium pangamate, occasionally referred to as vitamin B15, is a calcium salt of pangamic acid that has been investigated for several pharmacological actions. Early clinical observations suggested it may raise high‑density lipoprotein (HDL) cholesterol in patients with cerebral arteriosclerosis, while animal experiments reported protective effects on liver cells after toxic injury. A small human trial using the related compound dimethylglycine (DMG) reported enhanced antibody responses to vaccination, leading to interest in possible immunomodulatory properties.