Safety and tolerability of Vitamin D3 5000 IU/day in epilepsy

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view post Posted on 25/4/2019, 21:36     +1   -1

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Epilepsy Behav. 2019 Apr 7;94:195-197. doi: 10.1016/j.yebeh.2019.03.001. [Epub ahead of print]

Safety and tolerability of Vitamin D3 5000 IU/day in epilepsy.

DeGiorgio CM1, Hertling D2, Curtis A2, Murray D2, Markovic D2.

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1Department of Neurology, UCLA School of Medicine, Olive View-UCLA Medical Center, Sylmar, CA 91342, USA. Electronic address: [email protected] of Neurology, UCLA School of Medicine, Olive View-UCLA Medical Center, Sylmar, CA 91342, USA.
Abstract

PURPOSE:

Preclinical and early clinical research indicates that Vitamin D3 may reduce seizures in both animal models and open-label clinical trials.

METHODS:

This is an initial report of an ongoing pilot study of oral Vitamin D3 5000 IU/day in subjects with drug-resistant epilepsy. After Institutional Review Board (IRB) approval and informed consent, subjects with ;less than one focal onset or generalized tonic-clonic seizure per month were enrolled. Subjects entered a 4-week baseline, followed by a 12-week treatment period. Serum 25, OH Vitamin D3, Blood Urea Nitrogen (BUN), creatinine, and calcium levels were monitored at baseline and at 6 and 12 weeks.

RESULTS:

High-dose Vitamin D3 5000 IU/day was well tolerated. Serum 25, OH Vitamin D3 levels increased significantly at six and twelve weeks. Vitamin D insufficiency, defined as a 25, OH Vitamin D3 level of <20 ng/ml normalized in all subjects with insufficient vitamin D levels. Median seizure frequency declined from 5.18 seizures per month to 3.64 seizures per month at 6 weeks and to 4.2 seizures per month at 12 weeks. The median percent change in seizure frequency was -26.9% at six weeks, and -10.7% at 12 weeks (not significant, Wilcoxon Signed Rank Test, P > 0.34).

CONCLUSIONS:

High-dose oral Vitamin D3, 5000 IU/day was safe and well tolerated in subjects with epilepsy. Vitamin D levels increased significantly at 6 and 12 weeks but never exceeded potentially toxic levels, defined as >100 ng/ml. To reduce variability, we will now recruit subjects who only have three or more seizures per month.
https://www.ncbi.nlm.nih.gov/pubmed/?term=...day+in+epilepsy


Safety and tolerability of Vitamin D3 5000 IU/day in epilepsy
Department of Neurology, UCLA School of Medicine, Olive View-UCLA Medical Center, Sylmar, CA 91342, USA
Abstract

Purpose


Preclinical and early clinical research indicates that Vitamin D3 may reduce seizures in both animal models and open-label clinical trials.



Methods


This is an initial report of an ongoing pilot study of oral Vitamin D3 5000 IU/day in subjects with drug-resistant epilepsy. After Institutional Review Board (IRB) approval and informed consent, subjects with ;less than one focal onset or generalized tonic–clonic seizure per month were enrolled. Subjects entered a 4-week baseline, followed by a 12-week treatment period. Serum 25, OH Vitamin D3, Blood Urea Nitrogen (BUN), creatinine, and calcium levels were monitored at baseline and at 6 and 12 weeks.



Results


High-dose Vitamin D3 5000 IU/day was well tolerated. Serum 25, OH Vitamin D3 levels increased significantly at six and twelve weeks. Vitamin D insufficiency, defined as a 25, OH Vitamin D3 level of <20 ng/ml normalized in all subjects with insufficient vitamin D levels. Median seizure frequency declined from 5.18 seizures per month to 3.64 seizures per month at 6 weeks and to 4.2 seizures per month at 12 weeks. The median percent change in seizure frequency was −26.9% at six weeks, and −10.7% at 12 weeks (not significant, Wilcoxon Signed Rank Test, P > 0.34).



Conclusions


High-dose oral Vitamin D3, 5000 IU/day was safe and well tolerated in subjects with epilepsy. Vitamin D levels increased significantly at 6 and 12 weeks but never exceeded potentially toxic levels, defined as >100 ng/ml. To reduce variability, we will now recruit subjects who only have three or more seizures per month.
https://www.epilepsybehavior.com/article/S...0997-1/fulltext
 
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view post Posted on 25/4/2019, 21:39     +1   -1

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Vitamin-D3_SH_1021784470-860x573
Although no toxic levels were reported, vitamin D3 was not associated with a significant reduction in seizures, contrary to reports from preclinical and early clinical studies.


High-Dose Oral Vitamin D3 Appears Safe and Well-Tolerated in Epilepsy
Vitamin D3 in high doses was safe and well-tolerated in patients with epilepsy and never exceeded toxic levels, according to study results published in Epilepsy & Behavior.

Researchers sought to examine the tolerability of vitamin D3 in an ongoing trial of vitamin D3 5000 IU/d intended to reduce seizures in drug-resistant epilepsy. Inclusion criteria were that participants should have ≥1 focal onset or generalized tonic-clonic seizure per month and must have been treated with ≥2 antiepileptic drugs (AEDs) alone or in combination at effective doses without becoming seizure-free. Participants were to maintain a seizure calendar, and no changes in AED doses were allowed during the study.


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There was a 4-week baseline period followed by a 12-week treatment period. During the treatment period, participants were administered 1 vitamin D3 5000 IU capsule daily. Blood tests for vitamin D level and blood chemistries (calcium, blood urea nitrogen, and creatinine) were performed at study entry and at each treatment visit.

Blood levels were also obtained at the beginning and end of the study for the major AEDs (ie, carbamazepine, phenytoin, lamotrigine, phenobarbital, or valproic acid) to determine the effect of vitamin D on major epilepsy drugs and their levels. Vitamin D insufficiency was defined as a serum 25-hydroxyvitamin D (25, OH vitamin D) level of <20 ng/mL. Changes in seizure rate/d and vitamin D levels were evaluated at each visit relative to baseline.
A total of 11 participants were enrolled, and 9 completed the treatment period. Vitamin D3 was well-tolerated, and no treatment-related adverse events were reported. Vitamin D3 normalized in all 5 participants with insufficiency by 6 weeks. Median vitamin D3 levels increased from a baseline level of 18.3 (range: 7-39.4) ng/mL to 43.4 (range: 31-80) ng/mL at 6 weeks and 53 (range: 47-87) ng/mL at 12 weeks.

The change in serum 25, OH vitamin D3 levels were significant (P =.0078 at 6 weeks and P =.0039 at 12 weeks). There were no changes in blood chemistry. The median percentage reduction in seizure frequency was 26.9% at 6 weeks and 10.7% at 12 weeks.

Although no toxic levels were reported, vitamin D3 was not associated with a significant reduction in seizures, contrary to reports from preclinical and early clinical studies.

Researchers concluded that vitamin D3 was well-tolerated in epilepsy. Also, as the study is ongoing, further information is anticipated regarding the role of vitamin D3 in epilepsy.

Reference

DeGiorgio CM, Hertling D, Curtis A, Murray D, Markovic D. Safety and tolerability of vitamin D3 5000 IU/day in epilepsy. Epilepsy Behav. 2019;94:195-197.
https://www.neurologyadvisor.com/topics/ep...ed-in-epilepsy/
 
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view post Posted on 26/4/2019, 18:00     +1   -1

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ATTENZIONE ARTICOLO TRADOTTO CON GOOGLE TRANSLATE

Sebbene non siano stati riportati livelli tossici, la vitamina D3 non è stata associata a una significativa riduzione delle crisi, contrariamente a quanto riportato da studi clinici preclinici e precoci.


La vitamina D per via orale ad alto dosaggio sembra sicura e ben tollerata nell'epilessia
La vitamina D3 ad alte dosi era sicura e ben tollerata nei pazienti con epilessia e non ha mai superato i livelli tossici, secondo i risultati degli studi pubblicati su Epilessia e comportamento.

I ricercatori hanno cercato di esaminare la tollerabilità della vitamina D3 in una sperimentazione in corso di vitamina D3 5000 UI / d destinata a ridurre le convulsioni nell'epilessia resistente ai farmaci. I criteri di inclusione erano che i partecipanti dovessero avere ≥1 insorgenza focale o convulsioni tonico-cloniche generalizzate al mese e devono essere stati trattati con ≥2 farmaci antiepilettici (DAE) da soli o in combinazione a dosi efficaci senza diventare liberi da crisi. I partecipanti dovevano mantenere un calendario di crisi, e durante lo studio non sono state permesse modifiche alle dosi di DAE.


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C'è stato un periodo di riferimento di 4 settimane seguito da un periodo di trattamento di 12 settimane. Durante il periodo di trattamento, ai partecipanti è stata somministrata 1 capsula di vitamina D3 5000 UI al giorno. Gli esami del sangue per il livello di vitamina D e le analisi del sangue (calcio, azoto ureico e creatinina) sono stati eseguiti all'ingresso dello studio e ad ogni visita di trattamento.

I livelli ematici sono stati anche ottenuti all'inizio e alla fine dello studio per i principali AED (cioè carbamazepina, fenitoina, lamotrigina, fenobarbital o acido valproico) per determinare l'effetto della vitamina D sui principali farmaci per l'epilessia e sui loro livelli. L'insufficienza di vitamina D è stata definita come un livello di 25-idrossivitamina D (25, OH vitamina D) nel siero di <20 ng / mL. Le variazioni dei livelli di convulsioni / d e di vitamina D sono state valutate ad ogni visita rispetto al basale.
Un totale di 11 partecipanti sono stati arruolati e 9 hanno completato il periodo di trattamento. La vitamina D3 è stata ben tollerata e non sono stati segnalati eventi avversi correlati al trattamento. Vitamina D3 normalizzata in tutti i 5 partecipanti con insufficienza di 6 settimane. I livelli medi di vitamina D3 sono aumentati da un livello di base di 18,3 (range: 7-39,4) ng / mL a 43,4 (range: 31-80) ng / mL a 6 settimane e 53 (range: 47-87) ng / mL a 12 settimane.

La variazione dei livelli di vitamina D3 nel siero 25, OH era significativa (P = 0,0078 a 6 settimane e P = 0,0039 a 12 settimane). Non ci sono stati cambiamenti nella chimica del sangue. La riduzione percentuale media della frequenza delle crisi è stata del 26,9% a 6 settimane e del 10,7% a 12 settimane.

Sebbene non siano stati riportati livelli tossici, la vitamina D3 non è stata associata a una significativa riduzione delle crisi, contrariamente a quanto riportato da studi clinici preclinici e precoci.

I ricercatori hanno concluso che la vitamina D3 era ben tollerata nell'epilessia. Inoltre, poiché lo studio è in corso, sono previste ulteriori informazioni sul ruolo della vitamina D3 nell'epilessia.

Riferimento

DeGiorgio CM, Hertling D, Curtis A, Murray D, Markovic D. Sicurezza e tollerabilità della vitamina D3 5000 UI / die nell'epilessia. Epilessia Comportamento 2019; 94: 195-197.
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