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Erygel (Erythromycin Topical) - Summary

 
 



ERYGEL SUMMARY

ERYGEL® Topical Gel USP, 2% contains erythromycin. Erythromycin is a macrolide antibiotic produced from a strain of Saccaropolyspora erythraea (formerly Streptomyces erythreus).

ERYGEL® Topical Gel USP, 2% is indicated for the topical treatment of acne vulgaris.


See all Erygel indications & dosage >>

NEWS HIGHLIGHTS

Media Articles Related to Erygel (Erythromycin Topical)

Spironolactone: The 'Other' Hormonal Acne Therapy
Source: MedPageToday.com - medical news plus CME for physicians [2015.08.28]
(MedPage Today) -- Expert: drug is effective and its safety issues can be managed

Acne Pictures Slideshow: Quick Cover-ups, Do's and Don'ts
Source: MedicineNet Acne Specialty [2015.08.14]
Title: Acne Pictures Slideshow: Quick Cover-ups, Do's and Don'ts
Category: Slideshows
Created: 8/1/2012 12:00:00 AM
Last Editorial Review: 8/14/2015 12:00:00 AM

Experimental Treatment Uses Nitric Oxide for Acne
Source: MedicineNet Acne Specialty [2015.08.03]
Title: Experimental Treatment Uses Nitric Oxide for Acne
Category: Health News
Created: 7/31/2015 12:00:00 AM
Last Editorial Review: 8/3/2015 12:00:00 AM

Could a Vitamin Play a Role in Acne Outbreaks?
Source: MedicineNet Acne Specialty [2015.06.25]
Title: Could a Vitamin Play a Role in Acne Outbreaks?
Category: Health News
Created: 6/24/2015 12:00:00 AM
Last Editorial Review: 6/25/2015 12:00:00 AM

Acne patients: 'substantial proportion' fail to collect prescribed treatment
Source: Compliance News From Medical News Today [2015.03.22]
Dermatologist-prescribed treatments are being left on pharmacy shelves by up to a quarter of people with acne, according to a new study.

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Published Studies Related to Erygel (Erythromycin Topical)

A comparison between the effectiveness of erythromycin, single-dose clarithromycin and topical fusidic acid in the treatment of erythrasma. [2011.09.18]
Abstract Although erythrasma is a superficial skin infection, there is no consensus on the treatment model of erythrasma... Conclusion: Topical fusidic acid proved to be the most effective treatment; however, clarithromycin therapy may be an alternative regimen in the treatment of erythrasma because of its efficiency and better patient's compliance.

Topical nadifloxacin 1% cream vs. topical erythromycin 4% gel in the treatment of mild to moderate acne. [2010.12]
Topical antibiotics are the mainstay of therapy in mild to moderate inflammatory acne... We conclude that when topically applied, both nadifloxacin 1% cream and erythromycin 4% gel are equally effective and safe treatments for mild to moderate facial acne.

Oral amoxicillin vs. oral erythromycin in the treatment of pyoderma in Bamako, Mali: an open randomized trial. [2007.10]
BACKGROUND: Pyoderma (bacterial superficial skin infection) is an extremely common disorder in tropical developing countries. In these settings, Streptococcus pyogenes is considered to be the main etiological agent. Apart from epidemics of poststreptococcal glomerulonephritis where mass treatment with intramuscular benzathine-penicillin is recommended, no recommendation exists for the treatment of pyoderma in this setting. The aim of this study was to evaluate the efficacy of oral amoxicillin in the treatment of pyoderma in Mali, by comparison with oral erythromycin... CONCLUSIONS: Amoxicillin was as efficacious as erythromycin in the treatment of severe pyoderma in Mali. Owing to its efficacy, added to high availability and low cost, this compound should be considered a first-line treatment of this disorder in this country, and perhaps in other countries where this condition presents in a similar way.

A randomized, double-blind, multicenter, parallel group study to compare relative efficacies of the topical gels 3% erythromycin/5% benzoyl peroxide and 0.025% tretinoin/erythromycin 4% in the treatment of moderate acne vulgaris of the face. [2003.01]
BACKGROUND: Combination treatments for acne vulgaris, such as Benzamycin (3% erythromycin/5% benzoyl peroxide) and Stievamycin (0.025% tretinoin/erythromycin 4%), reduce bacterial growth, which contributes to the inflammatory lesions typical of adolescent acne, and also decrease the epidermal cell compaction which may form the characteristic noninflammatory comedone. Both agents contain erythromycin to reduce the growth of Propionibacterium acnes in skin. Benzoyl peroxide has antibiotic activity as well as anticomedogenic properties. Tretinoin may increase the turnover of epidermal cells and loosen the cells compacted to form comedones. A combination preparation containing the two antibiotics may reduce the development of resistance; the combination preparation containing tretinoin and erythromycin will have an antibiotic effect as well as acting on differentiation... CONCLUSION: In moderate acne vulgaris, 3% erythromycin/5% benzoyl peroxide may provide a greater beneficial effect than 0.025% tretinoin/erythromycin 4%.

A randomized, parallel, vehicle-controlled comparison of two erythromycin/benzoyl peroxide preparations for acne vulgaris. [2002.05]
BACKGROUND: Topical erythromycin/benzoyl peroxide (EBP), marketed for acne treatment, must be compounded by a pharmacist and requires subsequent refrigeration, warranting the development of alternate formulations. OBJECTIVE: This trial compared the efficacy and tolerability of a single-use EBP combination package (EBP Pak) with those of its matching vehicle control (VC Pak) and the original, reconstituted formulation packaged in a jar (EBP Jar). The matching VC for the original formulation (VC Jar) was used to achieve study blinding... CONCLUSIONS: Results of this 8-week trial demonstrate that the single-use combination package of EBP is well tolerated, effective, and comparable to the original formulation for the treatment of acne vulgaris in this selected patient population.

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Clinical Trials Related to Erygel (Erythromycin Topical)

Erythromycin Versus Azithromycin in Preterm Premature Rupture of Membranes [Withdrawn]
Preterm Premature Rupture of Membranes (PPROM) is treated with an antibiotic, erythromycin or azithromycin, to prolong pregnancy. Erythromycin is taken for several days and can result in stomach upset in some patients, causing them to stop taking the medication. Therefore, azithromycin is often prescribed instead. Azithromycin is usually taken only once and stomach upset is not seen or greatly reduced. The goal of this study is to see if there is a difference between the antibiotic (azithromycin) compared to the antibiotic (erythromycin) in prolonging pregnancy in patients with Preterm Premature Rupture of Membranes (PPROM). The working hypothesis is that there is no difference in the clinical effectiveness between antibiotic regimens containing the macrolides azithromycin and erythromycin for prolonging latency in PPROM.

Erythromycin Treatment for Readthrough of APC Gene Stop Codon Mutations in Familial Adenomatous Polyposis [Recruiting]
Colorectal cancer (CRC) is a leading cause for cancer related mortality in the western world with a lifetime risk of 6%. Etiology is complex, while genetic background significantly affects the risk. Around one third of all genetic disorders as well as most cases of Familial Adenomatous Polyposis (FAP) and a large proportion of all sporadic CRC cases occur as a result of premature nonsense mutations (creating a stop codon) in an individual's adenomatous polyposis coli (APC) gene. Nonsense mutations are single-point alterations in the DNA that prematurely halt the protein translation process, producing a shortened, nonfunctional protein. In many of these cases, if the cell can be 'persuaded' to ignore the premature stop codon signal, the resulting protein may be able to ameliorate or stop the disease. Recently, members of the aminoglycoside family of antibiotics have been found to induce ribosomal read-through of nonsense mutations, leading to expression of a full length, functional protein. Investigators have recently shown that members of the aminoglycoside and macrolide antibiotic families can induce read-through of the nonsense mutations in the APC gene and lead to reduced oncogenic phenotypes in CRC cells and in different mice models. The aim of this project is to determine the ability of the macrolide antibiotic-erythromycin to induce read-through of the nonsense mutations in the APC gene and to induce expression of a full length, functional APC protein in patients suffering from FAP and to tests its effect on adenoma number and size and on desmoid tumors in these patients. The future goal is to maximize the effect of stop-codon suppressors on APC while minimizing side effects. In this study investigators will select FAP patients which carry APC nonsense mutations, treat them with erythromycin PO for 4-6 months and examine colonic and duodenal adenomas as well as abdominal desmoid tumors, that will be documented before during and after treatment. In parallel, investigators will test polyp, adenoma and desmoid tissue samples as well as blood samples from these patients for changes in expression levels of the APC protein and related oncogenic markers. Suppression of nonsense mutations within the APC gene should be of benefit for patients suffering from FAP, attenuated FAP or multiple adenomas and for patients with advanced or diffuse CRC. Furthermore, given the rapid progress being made in the identification of different nonsense mutations in human genes that lead to mostly un-curable disease, the identification of clinically approved compounds that suppress nonsense mutations and that can be administered long-term without significant side effects would open new venues in the treatment of genetic human diseases that arise from pre-mature stop codons in important coding sequences. Immediate goal: establish the ability of erythromycin to read-through APC nonsense mutation in FAP patients. The read-through effect of erythromycin will be clinically tested by counting and measuring the number and size of both colonic and duodenal adenomas before and over treatment and by measuring the size of known desmoid tumors. Samples of the adenomas and desmoid tumors will be tested by western blot, immunofluorescence and immunohistochemistry for restoration of APC expression and changes in oncogenic markers. These experiments should be conducted within 6 month. Long term objective: 1. Determine the lowest dose of erythromycin that can inhibit growth of colonic neoplasia and CRC in patients expressing a truncated APC protein due to nonsense mutations. 2. Examine the ability of a panel of additional macrolide antibiotics to induce APC nonsense mutation suppression using in-vitro methods. Investigators will focus on macrolide antibiotics that are currently in clinical use and are administrated for long terms. These objectives should take around 6 month and will be conducted in parallel.

Erythromycin Treatment for Readthrough of APC Gene Stop Codon Mutation in Familial Adenomatous Polyposis-minors' Adjusted Version [Not yet recruiting]
Colorectal cancer (CRC) is a leading cause for cancer related mortality in the western world with a lifetime risk of 6%. Etiology is complex, while genetic background significantly affects the risk. Around one third of all genetic disorders as well as most cases of Familial Adenomatous Polyposis (FAP) and a large proportion of all sporadic CRC cases occur as a result of premature nonsense mutations (creating a stop codon) in an individual's adenomatous polyposis coli (APC) gene. Nonsense mutations are single-point alterations in the DNA that prematurely halt the protein translation process, producing a shortened, nonfunctional protein. In many of these cases, if the cell can be 'persuaded' to ignore the premature stop codon signal, the resulting protein may be able to ameliorate or stop the disease. Recently, members of the aminoglycoside family of antibiotics have been found to induce ribosomal read-through of nonsense mutations, leading to expression of a full length, functional protein. Investigators have recently shown that members of the aminoglycoside and macrolide antibiotic families can induce read-through of the nonsense mutations in the APC gene and lead to reduced oncogenic phenotypes in CRC cells and in different mice models. The aim of this project is to determine the ability of the macrolide antibiotic-erythromycin to induce read-through of the nonsense mutations in the APC gene and to induce expression of a full length, functional APC protein in patients suffering from FAP and to tests its effect on adenoma number and size and on desmoid tumors in these patients. The future goal is to maximize the effect of stop-codon suppressors on APC while minimizing side effects. In this study investigators will select FAP patients which carry APC nonsense mutations, treat them with erythromycin PO for 4-6 months and examine colonic and duodenal adenomas as well as abdominal desmoid tumors, that will be documented before during and after treatment. In parallel, investigators will test polyp, adenoma and desmoid tissue samples as well as blood samples from these patients for changes in expression levels of the APC protein and related oncogenic markers. Suppression of nonsense mutations within the APC gene should be of benefit for patients suffering from FAP, attenuated FAP or multiple adenomas and for patients with advanced or diffuse CRC. Furthermore, given the rapid progress being made in the identification of different nonsense mutations in human genes that lead to mostly un-curable disease, the identification of clinically approved compounds that suppress nonsense mutations and that can be administered long-term without significant side effects would open new venues in the treatment of genetic human diseases that arise from pre-mature stop codons in important coding sequences. Immediate goal: establish the ability of erythromycin to read-through APC nonsense mutation in FAP patients. The read-through effect of erythromycin will be clinically tested by counting and measuring the number and size of both colonic and duodenal adenomas before and over treatment and by measuring the size of known desmoid tumors. Samples of the adenomas and desmoid tumors will be tested by western blot, immunofluorescence and immunohistochemistry for restoration of APC expression and changes in oncogenic markers. These experiments should be conducted within 6 month. Long term objective: 1. Determine the lowest dose of erythromycin that can inhibit growth of colonic neoplasia and CRC in patients expressing a truncated APC protein due to nonsense mutations. 2. Examine the ability of a panel of additional macrolide antibiotics to induce APC nonsense mutation suppression using in-vitro methods. Investigators will focus on macrolide antibiotics that are currently in clinical use and are administrated for long terms. These objectives should take around 6 month and will be conducted in parallel.

Comparison of Two Macrolides, Azithromycin and Erythromycin, for Symptomatic Treatment of Gastroparesis [Terminated]
Erythromycin is effectively used in the treatment of Gastroparesis (GP) patients. In susceptible patients however, it has been associated with sudden cardiac death due to prolongation of QT intervals and subsequent cardiac risks through its interaction some other drugs. Azithromycin (AZI) is a macrolide antibiotic but does not have the mentioned druf interactions , has fewer gastrointestinal side effects, and fewer risks of QT prolongation and cardiac arrhythmias. Consequently, AZI avoids drawbacks of dosing with erythromycin and may be preferred as a prokinetic agent in patients on other concomitant medications. We hope to demonstrate the effectiveness of Azithromycin (AZI) as compared to Erythromycin in the treatment of Gastroparesis (GP), and later, form the framework for larger randomized-controlled parallel studies to investigate use of AZI for treatment of GP. Our novel hypothesis is to determine whether AZI can be used to treat GP.

Treatment of Dowling Maera Type of Epidermolysis Bullosa Simplex by Oral Erythromycin [Recruiting]
Dowling Meara type of epidermolysis bullosa simplex (EBS-DM) is a rare genodermatosis due to keratin 5 and 14 mutation, characterized by skin fragility and spontaneous or post traumatic blisters. Neonatal period and infancy are critical since this autonomic dominant affection usually improves with age. Cyclins seem to be efficient in some cases of EBS but are prohibited in children younger than 8 years old. Erythromycin can be a good alternative in this population due to its antibacterial and anti-inflammatory potential. The aim of this study is the evaluation of the efficiency of oral erythromycin to decrease the number of cutaneous blisters in severe EBS-DM patients from 6 months to 8 years old after 3 months of treatment. Primary end point is the number of patients with decrease of blisters' number of at least 20% after 3 months of treatment by oral erythromycin. It is a preliminary study on 8 patients. Treatment is oral erythromycin twice a day during 3 months. Follow up for each patient is 5 months. The duration of the study is 1 year.

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Page last updated: 2015-08-28

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