Bilby
Bilby Uses, Dosage, Side Effects, Food Interaction and all others data.
Ginkgo biloba extract contains a group of terpene lactones (notably, ginkgolides and diterpenes) and ginkgo flavone glycosides (notably, ginkgetin, bilobetin, and sciadopitysin) that have antioxidant and vasoactive properties. Most of the studies that investigate the effect of ginkgo biloba use the standardized extract of Ginkgo biloba (EGb) 761 (EGb761), which was developed by a German pharmaceutical company in 1964. EGb761 contains 6% terpene lactones and 24% flavonoid glycosides. Flavonoids include quercetin, rutin, kaempferol, and isorhamnetin. Lactones include ginkgolide A, ginkgolide B, ginkgolide C, bilobalide, and ginkgotoxin, a lactone that is structurally related to pyridoxine. Ginkgo biloba is an herbal plant that is now cultivated worldwide. It is originally native to China, and ginkgo biloba extract has been used in traditional Chinese medicine for centuries.
After its nootropic properties were discovered, ginkgo biloba has gained attention as a therapeutic ingredient for memory and concentration enhancement in cognitive impairment and neurogenerative diseases, such as dementia. Ginkgo biloba was investigated in preliminary studies for a variety of therapeutic purposes such as improving cardiovascular health, sexual dysfunction, psychiatric disorders, skin disorders, and glaucoma. Ginkgo biloba is found in a number of homeopathic and over-the-counter herbal products and dietary supplements, but it has no approved therapeutic indications by regulatory bodies, such as the FDA, EMA, and Health Canada. Ginkgo folium, the leaf extract of Ginkgo biloba, is considered an anti-dementia drug by the World Health Organization.
Ginkgo biloba is a herbal ingredient with demonstrated antioxidant, vasoactive, antiapoptotic, anti-inflammatory, antiplatelet, and fibrinolytic properties. Ginkgo biloba has been investigated for use in a variety of medical conditions, but the most extensively studied area is in the context of cognitive impairment and neurodegenerative disorders. Ginkgo biloba was examined as a potential nootropic agent or cognitive enhancer but research findings supporting the therapeutic efficacy of ginkgo biloba extract (EGb) in dementia remain controversial. Some clinical studies of dementia that were up to one year long showed that EGb improves the cognitive performance and social functioning of patients. However, other studies did not support its clinical benefit for patients with cognitive impairment and dementia. Numerous meta-analysis studies showed insufficient evidence of the effectiveness of EGb in reducing both all-cause dementia incidence and Alzheimer's disease-associated dementia incidence in elderly patients with normal cognition or with mild cognitive impairment. Additionally, there is no up-to-date evidence that demonstrates the benefit of the long-term use of standardized EGb in reducing the risk of progression to Alzheimer's disease. A 2012 meta-analysis did not support the use of EGb in enhancing cognitive function in healthy adults.
Vitamin-B complex contains the most important members of the vitamin B group in pure form and in therapeutically balanced proportions. The members of the vitamin B group contained in Vitamin-B complex are components of enzyme systems that regulate various stages of carbohydrate, fat and protein metabolism, each of the components playing a specific biological role. Deficiency of B vitamin causes glossitis, stomatitis, cheilosis, polyneuritis, beriberi, pellagra and vascularisation of cornea.
| Trade Name | Bilby |
| Generic | Ginkgo Biloba + Vitamin B Complex |
| Type | Tablet |
| Therapeutic Class | |
| Manufacturer | Brinton Pharmaceuticals Limited |
| Available Country | India |
| Last Updated: | September 19, 2023 at 7:00 am |
Uses
Ginkgo biloba is a herbal supplement found in over-the-counter or unapproved homeopathic products for various health conditions, such as cognitive, neurodegenerative, cardiovascular, and reproductive health disorders.
Ginkgo biloba does not currently have any approved therapeutic indications, and there is insufficient evidence to support its unapproved use. It is available in over-the-counter herbal products mostly for oral use, to improve memory and cognitive problems.
Each Tablet/ Capsule contains:
- Thiamine Hydrochloride 5 mg
- Riboflavin 2 mg
- Pyridoxine hydrochloride 2 mg
- Nicotinamide 20 mg
Each 5 ml Syrup contains:
- Thiamine Hydrochloride 5 mg
- Riboflavin 2 mg
- Pyridoxine hydrochloride 2 mg
- Nicotinamide 20 mg
Each 2 ml Injection contains:
- Thiamine Hydrochloride 50 mg
- Riboflavin 4 mg
- Pyridoxine hydrochloride 10 mg
- Nicotinamide 100 mg
- D-Panthenol 5 mg
Vitamin-B complex is used for prophylactic or therapeutic nutritional supplementation in physiologically stressful conditions. These include: Conditions causing depletion, or reduced absorption or bioavailability of essential B-vitamins manifested by glossitis, stomatitis, cheilosis, beriberi Vitamin-B complex is used for prophylactic or therapeutic nutritional supplementation in physiologically stressful conditions. These include: Conditions causing depletion, or reduced absorption or bioavailability of essential B-vitamins manifested by glossitis, stomatitis, cheilosis, beriberi
Bilby is also used to associated treatment for these conditions: Cognitive Dysfunctions, Cognitive Function, Depression
How Bilby works
Two key active ingredients in ginkgo biloba are terpene lactones (notably ginkgolides and diterpenes) and ginkgo flavone glycosides (notably ginkgetin, bilobetin, and sciadopitysin), which are present at varying concentrations. Ginkgo biloba extract EGb 761 is the standardized extract of ginkgo biloba used in studies, which contains 6% terpenoids and 24% flavonoid glycosides. Animal studies have shown that ginkgo biloba works on several neurotransmitter pathways and brain structures. Flavones were shown to inhibit lipid peroxidation; inhibit the uptake of serotonin, dopamine, and norepinephrine; and inhibit platelet aggregation. Terpene lactones may also act as potent antagonists of the platelet-activating factor and may possess anti-ischemic and fibrinolytic effects. They were also shown to downregulate adrenal peripheral benzodiazepine receptors and increase adrenocorticotropic hormone levels. Ginkgo biloba also reversibly inhibits monoamine oxidase A; and modestly inhibits anticholinesterase activity, leading to enhanced cholinergic transmission in the brain.
Several studies suggest that ginkgo biloba exerts neuroprotective effects by reducing free radical production in the prefrontal cortex, which may explain its improvement on short-term memory. Ginkgo biloba extract acts as a free radical scavenger, protecting neurons from oxidative damage and apoptosis related to aging, cerebral ischemia, and neurodegenerative disorders. Ginkgo biloba also inhibits amyloid-β neurotoxicity and protects against hypoxic challenges and increased oxidative stress. One study showed that bilobalide, a terpene lactone, delays the onset of hypoxic glycolysis. Ginkgo biloba has the potential to regulate metabolism, stabilize the membrane, and promote vasodilation. In the arterial endothelium, EGb stimulated the release of endogenous relaxing factors, such as endothelium-derived relaxing factor and prostacyclin. In the inflammatory environment that causes tissue damage, EGb promoted nitric oxide production, leading to enhanced peripheral and cerebral blood flow.
Dosage
Bilby dosage
Tablet/ capsule:usual recommended dose is 1-2 tablet/capsule 3 times daily or as directed by the physician.
Syrup:2-3 teaspoonful daily or as directed by the physician.
Injection:It is for intramuscular and intravenous administration. Usual recommended dose is 2 ml daily or as directed by the physician. In addition withThiamine, Riboflavin, Nicotinamide, Pyridoxine; injectable dosage from containsD-Panthenol 5 mg.
Side Effects
Adverse reactions have been reported with specific vitamins and minerals, but generally at levels substantially higher than those in Vitamin-B complex. However, allergic and idiosyncratic reactions are possible at lower levels. Iron, even at the usual recommended level has been associated with gastrointestinal intolerance in some patients.
Toxicity
Oral LD50 of standardized extract in mice is 7730 mg/kg, which corresponds to 2300 mg/kg of active ingredients, 1900 mg/kg of flavone glycosides, and 464 mg/kg of terpene lactones. Intravenous LD50 is 1100 mg/kg.
No case of overdose has been reported so far. Cyanogenic glycosides found in raw ginkgo seeds are potentially toxic compounds; thus, contact or ingestion of ginkgo seeds can lead to serious reactions such as allergic skin reaction, including acute generalized exanthematous pustulosis, and convulsions. Ginkgo toxicity can manifest as bleeding, seizure, and serotonin syndrome. As there is no known antidote for ginkgo toxicity, treatment includes discontinuation of ginkgo and symptomatic and supportive care. Seizures may be attributed to ginkgotoxin, which can cause seizures at high doses.
Interaction
As little as 5 mg pyridoxine daily can decrease the efficacy of levodopa in the treatment of parkinsonism. Therefore, Vitamin-B complex is not recommended for patients undergoing such therapy
Volume of Distribution
No data available.
Elimination Route
Studies assessed the pharmacokinetic parameters of terpene lactones, the main component of ginkgo biloba. Following oral administration of ginkgo biloba solution, the mean absolute bioavailability was 80% for ginkgolide A, 88% for ginkgolide B and 79% for biloalide. In an early rat study, about 60% of radiolabeled EGb 761 was absorbed with a Tmax of 1.5 hours. The highest amount of radioactivity was measured in the stomach and small intestine.
In another study, after a single oral dose of 120 mg EGb 761 in healthy volunteers, Cmax was 22.22 ± 4.57 ng/mL for ginkgolide A, 8.27 ± 1.82 ng/mL for ginkgolide B, and 54.42 ± 13.62 ng/mL for biloalide. AUC0-∞ was 121.35 ± 22.92 ng × h/mL for ginkgolide A, 59.88 ± 11.39 ng × h/mL for ginkgolide B, and 217.24 ± 44.07 ng × h/mL for biloalide. Tmax ranged from 1.17 to 1.54 hours for those three compounds.
Half Life
Unpublished human data reports that after oral administration of 80 mg EGb 761, the half-life was four hours for ginkgolides A and six hours for ginkgolides B. The half-life of bilobalide was three hours after administration of 120 mg EGb 761 extract.
Clearance
No data available.
Elimination Route
At 72 hours following oral administration in rats, about 38% of the ginkgo biloba extract was excreted via expiration, 22% was excreted in urine, and 29% was excreted in feces. About 70% of ginkgolides A, 50% of ginkgolides B, and 30% of bilobalide were excreted unchanged in the urine.
Pregnancy & Breastfeeding use
It is safe to use Vitamin-B complex in pregnancy and lactation.
Contraindication
Vitamin-B complex is contraindicated in patients hypersensitive to any of its components.
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