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Prevention of recurrences in frequently relapsing herpes labialis with thymopentin a randomized double-blind placebo-controlled multicenter study

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TLDR
The results achieved with thymopentin for the individual parameters were significantly superior to those obtained with placebo; thus significant improvement was seen in patients on Thymopentine in the duration of the longest symptomfree period.
Abstract
The present randomized, placebo-controlled double-blind multicenter study included a population of 36 subjects with frequent recurrences (at least once a month) of herpes labialis. Most of the patients had failed to respond adequately to previous treatment with other therapeutic tools, including acyclovir. Either 50 mg of thymopentin or of placebo was administered 3 times a week, by the subcutaneous route, for 6 weeks. Subsequently, the patients were observed for nearly 6 months on the average. The results achieved with thymopentin for the individual parameters were significantly superior to those obtained with placebo; thus significant improvement was seen in patients on thymopentin in the duration of the longest symptomfree period (prolonged from 2.1 weeks to 20.9 weeks, p = 0.000), in the number of relapses (reduced from 1.6 to 0.4 episodes/month, p = 0.001), and in the total duration of herpes symptoms per month (shortened from 2.0 to 0.3 weeks, p = 0.000). Placebo treatment also resulted in considerable improvement (p < 0.05 or 0.01), but was significantly inferior to the improvement obtained with thymopentin. The longest symptomfree period in the placebo group was prolonged from 2.4 to 11.2 weeks. The number of relapses per month was reduced from 1.4 to 0.8, and the total duration of herpes symptoms per month from 2 to 0.9 weeks. The results of intergroup analyses, in which the observed parameters and the improvement achieved in either group were compared, significantly favored thymopentin treatment. The effect of thymopentin was in all but one parameters superior to that of placebo and highly significant (p < 0.01).

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Citations
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Journal ArticleDOI

Management of recurrent oral herpes simplex infections

TL;DR: Evidence suggests that 5% acyclovir (ACV) in the cream base may reduce the duration of lesions if applied early, and further studies are needed to compare treatment efficacy between topical penciclovir, docosanol, and ACV cream for RHL.
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Interventions for prevention of herpes simplex labialis (cold sores on the lips)

TL;DR: The quality of the body of evidence was low to moderate for most outcomes, but was very low for a few outcomes, and the direction of intervention effect was unrelated to the risk of bias.
Journal ArticleDOI

A randomized controlled trial of thymopentin therapy in patients with chronic hepatitis B

TL;DR: The results indicate that this regimen of thymopentin therapy is not effective in treating chronic hepatitis B.
Patent

Recombinant human thymopoietin proteins and uses therefor

TL;DR: In this paper, the nucleotide and amino acid sequences for human thymopoietin α, β, and γ were provided, and methods of recombinantly expressing same, and diagnostic and therapeutic uses thereof.
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Amino Acid Sequence of Thymopoietin Isolated from Skin

TL;DR: Experimental evidence suggests that thymopoietin in the circulation derives from the thymus and not from the skin, suggesting that the thyanofiltration in keratinocytes has a local function, either apocrine and/or immunoregulatory.
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Prevalence of recurrent herpes labialis and aphthous ulcers among young adults on six continents

TL;DR: North American respondents, mainly from Canada, had a significantly higher prevalence of both lesions and persons with a history of recurrence of one lesion were more likely to have a History of Recurrence of the other.
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