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Topic:Topical Administration

Topical administration for horses refers to the application of medication or therapeutic agents directly onto the skin or mucous membranes. This method is used to deliver drugs locally to treat conditions such as skin infections, wounds, or inflammatory disorders. Common forms of topical treatments include creams, ointments, gels, and sprays. The effectiveness of topical administration depends on factors such as the drug's formulation, the condition of the skin, and the specific area being treated. This page gathers peer-reviewed research studies and scholarly articles that explore the pharmacokinetics, efficacy, and clinical applications of topical administration in equine medicine.
Topical delivery of diclofenac into and across equine skin from a novel liquid diclofenac epolamine formulation.
Journal of veterinary pharmacology and therapeutics    March 31, 2016   Volume 39, Issue 6 578-583 doi: 10.1111/jvp.12307
Del Río-Sancho S, Concas D, Oreste P, Zoppetti G, Briggs PH, Kalia YN.The aim was to investigate diclofenac delivery into and across equine skin in vitro using Franz diffusion cells from a novel diclofenac epolamine (DIC-EP; 1.3%) formulation and to compare the results to those of Surpass (1% diclofenac sodium liposomal cream) and a 1% aqueous solution of diclofenac sodium. Skin was harvested from the lower legs of Freiberger geldings immediately after slaughter and sliced to a thickness of ~2 mm. Skin samples were divided into two groups [Group 1: 1 year old (n = 2) and Group 2: 6-8 years old (n = 3)]. Cumulative permeation of diclofenac in Groups 1 and...
Comparative plasma and milk dispositions, faecal excretion and efficacy of per os ivermectin and pour-on eprinomectin in horses.
Journal of veterinary pharmacology and therapeutics    March 25, 2016   Volume 39, Issue 6 584-591 doi: 10.1111/jvp.12308
Gokbulut C, Ozuicli M, Aksit D, Aksoz E, Korkut O, Yalcinkaya M, Cirak VY.The horse milk gains increasing interest as a food product for sensitive consumers, such as children with food allergies or elderly people. We investigated the plasma and milk disposition, faecal excretion and efficacy of per os ivermectin (IVM) and pour-on eprinomectin (EPM) in horses. Ten mares were divided into two groups. The equine paste formulation of IVM and bovine pour-on formulation of EPM were administered orally and topically at dosage of 0.2 and 0.5 mg/kg bodyweight. Blood, milk and faecal samples were analysed using high-performance liquid chromatography. The plasma concentration...
Field use of N-butylscopolammonium bromide to facilitate thorough ophthalmic examination in horses.
Veterinary journal (London, England : 1997)    March 17, 2016   Volume 211 104-105 doi: 10.1016/j.tvjl.2016.03.013
Palmero J, Hollingsworth S, Kass P, Moore S, Pusterla N.N-butylscopolammonium bromide (NBB), an anticholinergic muscarinic antagonist, was assessed as a mydriatic agent for field examination of equine eyes. Six adult horses were randomly assigned to four treatments with 2 weeks washout between treatments: (1) topical saline/IV saline (negative control); (2) topical tropicamide/IV saline (positive control); (3) topical NBB/IV saline; or (4) topical saline/IV NBB. Horizontal and vertical pupil diameters, temperature, pulse, respiration, pupillary light reflexes (PLRs) and mydriasis sufficient to perform complete fundic examination were recorded. Trop...
Episcleral cyclosporine A implants for the management of unilateral keratoconjunctivitis sicca in an 8-year-old mare.
Veterinary ophthalmology    March 4, 2016   Volume 20, Issue 1 79-83 doi: 10.1111/vop.12368
Mackenzie CJ, Carslake HB, Robin M, Kent RJ, Malalana F.An 8-year-old mare was presented for investigation of a 1-month history of blepharospasm, eyelid swelling, corneal edema, and ocular discharge of the right eye (OD). Ophthalmic examination confirmed mucopurulent ocular discharge, conjunctival hyperemia, and a dry, dull appearance to the cornea OD. Schirmer tear test results confirmed an absence of tear production OD (0 mm/min) consistent with keratoconjunctivitis sicca. Treatment with topical 0.2% cyclosporine A resulted in an improvement in clinical signs. An episcleral cyclosporine A implant was placed under standing sedation 5 days after in...
Effect of Manuka honey gel on the transforming growth factor β1 and β3 concentrations, bacterial counts and histomorphology of contaminated full-thickness skin wounds in equine distal limbs.
Australian veterinary journal    January 28, 2016   Volume 94, Issue 1-2 27-34 doi: 10.1111/avj.12405
Bischofberger AS, Dart CM, Horadagoda N, Perkins NR, Jeffcott LB, Little CB, Dart AJ.To investigate the effect of 66% Manuka honey gel on the concentrations of transforming growth factor (TGF)-β1 and TGF-β3, bacterial counts and histomorphology during healing of contaminated equine distal limb wounds. Methods: In this experimental study of 10 Standardbred horses, five full-thickness skin wounds (2 × 1.5 cm) were created on one metacarpus and six similar wounds were created on the contralateral metacarpus. Wounds were assigned to three groups: non-contaminated control wounds; contaminated control wounds; contaminated wounds treated daily with 1 mL Manuka honey gel to...
Ligation of the ipsilateral common carotid artery and topical treatment for the prevention of epistaxis from guttural pouch mycosis in horses.
The Veterinary record    December 9, 2015   Volume 178, Issue 2 44 doi: 10.1136/vr.103376
Cousty M, Tricaud C, De Beauregard T, Picandet V, Bizon-Mercier C, Tessier C.The objective of the study was to evaluate the effect of ligation of the ipsilateral common carotid artery (CCA) combined with various antimycotic treatments for the prevention of epistaxis in horses with guttural pouch mycosis. For each case, ipsilateral ligation of the CCA was performed, followed by application of various topical medications under endoscopic guidance. Frequency and number of treatments, outcome and recurrence of haemorrhage were retrospectively recorded. Twenty-four horses were included. Topical medication was administered by detachment of the diphtheric membrane and sprayin...
Effect of activated protein C in second intention healing of equine distal limb wounds: a preliminary study.
Australian veterinary journal    September 29, 2015   Volume 93, Issue 10 361-366 doi: 10.1111/avj.12363
Bischofberger AS, Tsang AS, Horadagoda N, Dart CM, Perkins NR, Jeffcott LB, Jackson CJ, Dart AJ.To investigate the effect of activated protein C (APC) on second intention healing of distal limb wounds in horses. Methods: In this experimental study of eight Standardbred geldings, six full-thickness skin wounds (2 × 1.5 cm) were created on one metacarpus (biopsy limb) and five similar wounds were created on the contralateral metacarpus (photographed limb). Three wounds on the biopsy limb were treated topically with 190 µg APC on days 1, 3, 6 and 9, while the remaining three wounds were untreated (control). One treated and one control wound were biopsied on days 4, 7 and 11 for hi...
Cervical wedge resection for treatment of pyometra secondary to transluminal cervical adhesions in six mares.
Journal of the American Veterinary Medical Association    June 5, 2015   Volume 246, Issue 12 1354-1357 doi: 10.2460/javma.246.12.1354
Arnold CE, Brinsko SP, Varner DD.6 mares with pyometra secondary to transluminal cervical adhesions were examined. Results: Reasons for hospital admission included infertility (5 mares) and acute colic (1 mare). In the 6 mares, palpation per rectum of the reproductive tract revealed uterine distention, and transrectal ultrasonography confirmed the presence of echogenic fluid accumulation within the uterus. Cervical palpation during vaginal speculum examination indicated transluminal cervical adhesions. Three mares had severe distortion of the cervix as a result of diverticula and fibrosis. All 6 mares had a diagnosis of pyome...
Repellent effect of topical deltamethrin on blood feeding by Culicoides on horses.
The Veterinary record    May 6, 2015   Volume 176, Issue 22 574 doi: 10.1136/vr.102800
Robin M, Archer D, McGowan C, Garros C, Gardès L, Baylis M.African horse sickness (AHS) is a vectorborne disease spread by Culicoides biting midges. The UK's Department for Environment, Food and Rural Affairs currently suggests using topical deltamethrin for AHS control; however, no data are available regarding its efficacy in the horse. The aims of this study were to investigate the effect of topical deltamethrin on blood feeding by Culicoides on horses and to investigate which Culicoides species blood fed on horses. Three pairs of horses were placed in partially enclosed cages that allowed samples representing the Culicoides interacting with individ...
Effect of topical ophthalmic dorzolamide(2%)-timolol(0.5%) solution and ointment on intraocular pressure in normal horses.
Veterinary ophthalmology    December 18, 2014   Volume 18, Issue 6 457-461 doi: 10.1111/vop.12242
Tofflemire KL, Whitley EM, Flinn AM, Dufour VL, Ben-Shlomo G, Allbaugh RA, Griggs AN, Peterson CS, Whitley DR.To compare the effect of commercially available solution and compounded ointment formulations of dorzolamide(2%)-timolol(0.5%) on intraocular pressure (IOP) of normal horses. Methods: Eighteen clinically normal horses. Methods: A randomized, masked prospective design was used with horses divided into two equal groups. One eye of each horse was selected for topical ophthalmic treatment with either 0.2 mL of dorzolamide(2%)-timolol(0.5%) solution or 0.2 g of dorzolamide(2%)-timolol(0.5%) ointment every 12 h for 5 days. The contralateral eye of horses in both groups was untreated. Rebound tonomet...
The effects of topical oxygen therapy on equine distal limb dermal wound healing.
The Canadian veterinary journal = La revue veterinaire canadienne    December 6, 2014   Volume 55, Issue 12 1146-1152 
Tracey AK, Alcott CJ, Schleining JA, Safayi S, Zaback PC, Hostetter JM, Reinertson EL.Topical oxygen therapy (TOT) has been used in human medicine to promote healing in chronic wounds. To test the efficacy and safety of TOT in horses, an experimental wound model was created by making 1 standardized dermal wound on each limb of 4 healthy horses (n = 16). Each wound was fitted with an oxygen delivery cannula and covered with a bandage. One limb of each front and hind pair was randomly assigned to the treatment group (fitted with an oxygen concentrator device), with the contralateral limb assigned to the control group (no device). Wound area, epithelial area, and contraction were ...
Effects of topical application of misoprostol on cervical relaxation in mares.
Reproduction in domestic animals = Zuchthygiene    November 1, 2014   Volume 49, Issue 6 1057-1062 doi: 10.1111/rda.12435
McNaughten J, Pozor M, Macpherson M, Kelleman A, Woodward E, Troedsson M.Mares who have not delivered a foal early in life may experience limitations in cervical relaxation, primarily during oestrus. A closed cervix prevents intrauterine deposition of semen during natural breeding, may delay uterine clearance after insemination leading to intrauterine fluid accumulation in, and subsequent infertility. Therefore, a reliable pharmacological method of dilating the equine cervix would have practical application in veterinary medicine. The goal of this study was to investigate the effectiveness of topically applied, synthetic prostaglandin E1 analogue (PGE1 ) for stimul...
Therapeutic potential of Pirfenidone for treating equine corneal scarring.
Veterinary ophthalmology    July 15, 2014   Volume 18, Issue 3 242-250 doi: 10.1111/vop.12194
Fink MK, Giuliano EA, Tandon A, Mohan RR.To evaluate the safety and efficacy of Pirfenidone (PFD) in the treatment of equine corneal fibrosis using an in vitro model. Methods: Healthy donor equine corneas were collected and used to generate primary equine corneal fibroblasts (ECFs) by growing cultures in minimal essential medium supplemented with 10% fetal bovine serum. Equine corneal myofibroblasts (ECMs), used as a model of equine corneal fibrosis, were produced by growing ECF cultures in serum-free medium containing transforming growth factor β1 (1 ng/mL). Trypan blue viability assays and changes in ECF morphology were utilized t...
Owners’ perception of the efficacy of Newmarket bloodroot ointment in treating equine sarcoids.
The Canadian veterinary journal = La revue veterinaire canadienne    July 2, 2014   Volume 55, Issue 7 683-686 
Wilford S, Woodward E, Dunkel B.A retrospective questionnaire-based survey was used to determine the perceived efficacy of Newmarket bloodroot ointment in treating equine sarcoids. In 49 horses with 74 sarcoids, 64 sarcoids responded either completely (n = 49) or partially (n = 15) while 10 did not respond or worsened. Sarcoids < 2 cm responded better to treatment (P < 0.001) than did larger sarcoids. Un sondage rétrospectif réalisé par questionnaire a été utilisé pour déterminer l’efficacité perçue de l’onguent à la sanguinaire de Newmarket pour traiter les sarcoïdes équines. Chez 49 chevaux atteints ...
The effects of chemical and physical penetration enhancers on the percutaneous permeation of lidocaine through equine skin.
BMC veterinary research    June 20, 2014   Volume 10 138 doi: 10.1186/1746-6148-10-138
Stahl J, Kietzmann M.The effect of physical and chemical permeation enhancers on in vitro transdermal permeation of lidocaine was investigated in the horse.Therefore, the effect of six vehicles (phosphate-buffered saline (PBS), 50% ethanol, 50% propylene glycol, 50% isopropylalcohol, 50% isopropylalcohol/isopropylmyristate and 50% dimethylsulfoxide) was examined as well as the effect of microneedle pretreatment with different needle lengths on transdermal drug delivery of lidocaine.The skin was obtained from the thorax of six Warmblood horses and was stored up to two weeks at - 20°C. Franz-type diffusion cells we...
Stability of 1% voriconazole solution in a constant-rate infusion pump for topical ocular delivery to horses.
Veterinary ophthalmology    March 7, 2014   Volume 17 Suppl 1 82-89 doi: 10.1111/vop.12155
Smith KM, Maxwell L, Gull T, Payton ME, Gilmour MA.To establish the effect of storage in a constant-rate infusion (CRI) pump on the sterility and stability of voriconazole 1% solution. Methods: Nine vials of voriconazole (Vfend(®) I.V.) 1% solution were prepared. Approximately half of each solution was used to prime a commercially available CRI pump with attached subpalpebral lavage system (CRI/SPL unit) with the remaining solution stored in the commercial glass vial. Three CRI/SPL units and their three corresponding vials were stored at one of three temperatures: 23 °C, 33 °C, and 40 °C. The CRI pumps ran for 7 days, and the vials were st...
Corneal ulcers in horses.
Compendium (Yardley, PA)    March 28, 2013   Volume 35, Issue 1 E4 
Williams LB, Pinard CL.Corneal ulceration is commonly diagnosed by equine veterinarians. A complete ophthalmic examination as well as fluorescein staining, corneal cytology, and corneal bacterial (aerobic) and fungal culture and sensitivity testing are necessary for all infected corneal ulcers. Appropriate topical antibiotics, topical atropine, and systemic NSAIDs are indicated for all corneal ulcers. If keratomalacia (melting) is observed, anticollagenase/antiprotease therapy, such as autologous serum, is indicated. If fungal infection is suspected, antifungal therapy is a necessity. Subpalpebral lavage systems all...
Comparison of efficacy and duration of effect on corneal sensitivity among anesthetic agents following ocular administration in clinically normal horses.
American journal of veterinary research    February 27, 2013   Volume 74, Issue 3 459-464 doi: 10.2460/ajvr.74.3.459
Pucket JD, Allbaugh RA, Rankin AJ, Ou Z, Bello NM.To compare efficacy and duration of effect on corneal sensitivity of 0.5% proparacaine hydrochloride, 0.5% bupivacaine hydrochloride, 2% lidocaine hydrochloride, and 2% mepivacaine hydrochloride solutions following ocular administration in clinically normal horses. Methods: 68 clinically normal horses. Methods: 60 horses were assigned to receive 1 anesthetic agent in 1 eye. For each of another 8 horses, 1 eye was treated with each of the anesthetic agents in random order with a 1-week washout period between treatments. Corneal sensitivity was assessed via corneal touch threshold (CTT) measurem...
Equine hoof canker: a clinical trial of topical cisplatin chemotherapy.
The Veterinary record    January 29, 2013   Volume 172, Issue 9 238 doi: 10.1136/vr.101359
Apprich V, Licka T.No abstract available
Effects of action of proparacaine and tetracaine topical ophthalmic formulations on corneal sensitivity in horses.
Journal of the American Veterinary Medical Association    December 12, 2012   Volume 241, Issue 12 1645-1649 doi: 10.2460/javma.241.12.1645
Sharrow-Reabe KL, Townsend WM.To compare the corneal anesthetic effects and duration of action of 2 ophthalmic anesthetic agents in horses. Methods: Prospective, randomized masked crossover study. Methods: 8 clinically normal adult horses. Methods: Corneal sensitivity was determined by measuring each eye's corneal touch threshold (CTT) with a Cochet-Bonnet esthesiometer. Each eye's baseline CTT was recorded prior to anesthetic instillation at 0 minutes and every 10 minutes thereafter for 60 minutes. Each eye was randomly assigned to receive 2 of 4 treatments: 0.5% aqueous proparacaine ophthalmic solution (aqueous proparaca...
Pharmacokinetic analysis of topical tobramycin in equine tears by automated immunoassay.
BMC veterinary research    August 21, 2012   Volume 8 141 doi: 10.1186/1746-6148-8-141
Czerwinski SL, Lyon AW, Skorobohach B, Léguillette R.Ophthalmic antibiotic therapy in large animals is often used empirically because of the lack of pharmacokinetics studies. The purpose of the study was to determine the pharmacokinetics of topical tobramycin 0.3% ophthalmic solution in the tears of normal horses using an automated immunoassay analysis. Results: The mean tobramycin concentrations in the tears at 5, 10, 15, 30 minutes and 1, 2, 4, 6 hours after administration were 759 (±414), 489 (±237), 346 (±227), 147 (±264), 27.6 (±28.4), 14.8 (±66.6), 6.7 (±18.6), and 23.4 (±73.4) mg/L. Mean tobramycin concentration was maintained abo...
Measurement of digital laminar and venous temperatures as a means of comparing three methods of topically applied cold treatment for digits of horses.
American journal of veterinary research    May 25, 2012   Volume 73, Issue 6 860-866 doi: 10.2460/ajvr.73.6.860
Reesink HL, Divers TJ, Bookbinder LC, van Eps AW, Soderholm LV, Mohammed HO, Cheetham J.To compare effects of 3 methods of topically applied cold treatment (cryotherapy) on digital laminar and venous temperatures in horses. Methods: 9 healthy adult Thoroughbreds. Methods: Thermocouples were placed in palmar digital veins and digital laminae of both forelimbs of horses. Three methods of cryotherapy were applied to the distal aspects of the limbs: wader boot (63-cm-tall vinyl boot filled with ice and water [ice slurry]), ice bag (5-L fluid bag filled with ice slurry), and a gel pack boot (boot containing frozen gel packs). Gel packs and ice slurries were replenished every hour duri...
Equine subepithelial keratomycosis.
Veterinary ophthalmology    May 14, 2012   Volume 16, Issue 2 93-96 doi: 10.1111/j.1463-5224.2012.01031.x
Brooks DE, Plummer CE, Mangan BG, Ben-Shlomo G.To describe clinical findings in equine subepithelial keratomycosis (SEK). Methods: Retrospective medical records study. Methods: Medical records of horses that had subepithelial keratomycosis (SEK) at the University of Florida Veterinary Medical Center from 2007 to 2011 were reviewed. Methods: Data collected from the medical records included signalment, clinical descriptions of ocular lesions, diagnostic techniques, and therapeutic outcomes. Results: Twenty-one horses, consisting of three Quarter horse geldings, two Morgan geldings, one Morgan mare, two Arabian mares, three Arabian geldings, ...
Effect of sedation with detomidine on intraocular pressure with and without topical anesthesia in clinically normal horses.
Journal of the American Veterinary Medical Association    January 20, 2012   Volume 240, Issue 3 308-311 doi: 10.2460/javma.240.3.308
Holve DL.To determine the effect of sedation with detomidine on intraocular pressure (IOP) in standing horses and whether topical ocular application of anesthetic alters this effect. Methods: Clinical trial. Methods: 15 clinically normal horses. Methods: Horses were assigned to group 1 (n = 7) or 2 (8). Intraocular pressure measurements were obtained at baseline (before sedation) and 10 minutes after IV administration of detomidine (0.02 mg/kg [0.009 mg/lb]). Group 1 horses had an additional IOP measurement at 20 minutes after sedation. For group 2 horses, topical ocular anesthetic was administered 10 ...
A retrospective comparison of surgical removal and subsequent CO2 laser ablation versus topical administration of mitomycin C as therapy for equine corneolimbal squamous cell carcinoma.
Veterinary ophthalmology    December 13, 2011   Volume 15, Issue 4 254-262 doi: 10.1111/j.1463-5224.2011.00982.x
Clode AB, Miller C, McMullen RJ, Gilger BC.  To compare the complications and nonrecurrence rate following topical mitomycin C (MMC) therapy vs. CO(2) laser ablation for treating equine corneolimbal squamous cell carcinoma (SCC). Methods:   Retrospective study. Methods:   Twenty-five horses with corneolimbal SCC. Methods:   Medical records of horses undergoing surgical tumor resection followed by either topical MMC therapy (0.04%) or CO(2) laser ablation between the years of 2004 and 2010 were reviewed. Recurrence and complications were compared between groups and within MMC subgroups defined by the time at which treatment was ...
The percutaneous permeation of a combination of 0.1% octenidine dihydrochloride and 2% 2-phenoxyethanol (octenisept®) through skin of different species in vitro.
BMC veterinary research    August 11, 2011   Volume 7 44 doi: 10.1186/1746-6148-7-44
Stahl J, Braun M, Siebert J, Kietzmann M.A water based combination of 0.1% octenidine dihydrochloride and 2% 2 - phenoxyethanol is registered in many European countries as an antiseptic solution (octenisept®) for topical treatment with high antimicrobial activity for human use, but octenidine based products have not been registered for veterinary use yet. The aim of the present study was to investigate whether octenidine dihydrochloride or 2 -phenoxyethanol, the two main components of this disinfectant, permeate through animal skin in vitro. Therefore, permeation studies were conducted using Franz-type diffusion cells. 2 ml of the t...
Evaluation of LHP® (1% hydrogen peroxide) cream versus petrolatum and untreated controls in open wounds in healthy horses: a randomized, blinded control study.
Acta veterinaria Scandinavica    June 30, 2011   Volume 53, Issue 1 45 doi: 10.1186/1751-0147-53-45
Tóth T, Broström H, Båverud V, Emanuelson U, Bagge E, Karlsson T, Bergvall K.Treatment and protection of wounds in horses can be challenging; protecting bandages may be difficult to apply on the proximal extremities and the body. Unprotected wounds carry an increased risk of bacterial contamination and subsequent infection which can lead to delayed wound healing. Topical treatment with antimicrobials is one possibility to prevent bacterial colonization or infection, but the frequent use of antimicrobials ultimately leads to development of bacterial resistance which is an increasing concern in both human and veterinary medicine. Methods: Standardized wounds were created...
Effect of topical vapocoolant spray on response to arthrocentesis and intravenous catheterization in unsedated horses.
American journal of veterinary research    June 2, 2011   Volume 72, Issue 6 746-750 doi: 10.2460/ajvr.72.6.746
Fjordbakk CT, Haga HA.To assess the efficacy of a commercially available topical vapocoolant spray in reducing responses to arthrocentesis of the middle carpal (MC) and metacarpophalangeal (MCP) joints and jugular vein catheterization in unsedated horses. Methods: 8 healthy research horses. Methods: Arthrocentesis of both MC and MCP joints and bilateral jugular vein catheterization were performed in each horse. Immediately prior to skin penetration, 1 randomly selected MC joint, MCP joint, and jugular vein were sprayed with a vapocoolant liquid (intervention product), and the contralateral MC joint, MCP joint, and ...
Tear, cornea, and aqueous humor concentrations of ciprofloxacin and moxifloxacin after topical ocular application in ophthalmologically normal horses.
American journal of veterinary research    March 2, 2011   Volume 72, Issue 3 398-403 doi: 10.2460/ajvr.72.3.398
Westermeyer HD, Hendrix DV, Ward DA, Cox SK.To determine ocular tissue drug concentrations after topical ocular administration of 0.3% ciprofloxacin and 0.5% moxifloxacin in ophthalmologically normal horses. Methods: 24 ophthalmologically normal adult horses. Methods: 0.3% ciprofloxacin and 0.5% moxifloxacin solutions (0.1 mL) were applied to the ventral conjunctival fornix of 1 eye in each horse as follows: group 1 (n = 8) at 0, 2, 4, and 6 hours; group 2 (8) at 0, 2, 4, 6, and 10 hours; and group 3 (8) at 0, 2, 4, 6, 10, and 14 hours. Tears, cornea, and aqueous humor (AH) were collected at 8, 14, and 18 hours for groups 1, 2, and 3, r...
Successful treatment of equine sarcoids by topical aciclovir application.
The Veterinary record    February 11, 2011   Volume 168, Issue 7 187 doi: 10.1136/vr.c5430
Stadler S, Kainzbauer C, Haralambus R, Brehm W, Hainisch E, Brandt S.Based on the anecdotally reported eradication of a sarcoid using aciclovir cream, the curative potential of this ointment was investigated in 22 sarcoid-affected horses referred to the Equine Clinic Tillysburg, Austria, between 2006 and 2009. Sarcoid disease was diagnosed by clinical examination and bovine papillomavirus types 1 and 2 from intact skin and tumour tissue. As nine horses had more than one lesion, a total of 47 sarcoids were treated by daily topical application of aciclovir 5 per cent cream for a period of two to six months; in four horses, surgical tumour ablation was performed b...