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PubMed1979

Immunology of human warts.

Rapid advances have occurred in the characterization of human papilloma virus (HPV) types applying the new advanced techniques of restriction endonuclease analysis and molecular hybridization to human wart virus. Human papilloma virus can no longer be viewed as a single, homogeneous virus producing all varieties of clinical warts. At least three antigenically heterogeneous HPV types have been associated with common and plantar warts. Two additional HPV types have been found in patients with epidermodysplasia verruciformis. Condylomata acuminata and laryngeal papillomas contain viruses which are also distinct from the preceding viruses and may represent additional HPV types. This antigenic heterogeneity of HPV has important implications concerning the immunology of human warts which have not been taken into account in most previously published studies. Both antibody and cell-mediated responses may be seen in patients with active warts, but many patients with warts have no demonstrable immune reactions. The role of immunity in wart regression remains poorly understood. Nevertheless, the increased frequency of warts in patients receiving immunosuppressive drugs and with immune deficiency states and the immunologic alterations which occur in patients with regressing or cured warts compared to patients with active warts, particularly the increased frequency of cell-mediated responses and antibodies specific for viral antigens, support a possible role for immunity in the resolution of warts. The evidence to date, however, does not prove that immune mechanisms are directly responsible for the elimination of warts.

Adolescent↗
PubMed2004

The treatment of common warts with infrared coagulation.

Treatment of warts can involve medical and surgical methods. Infrared coagulation is a surgical method very rarely used in the treatment of warts. We planned an open-labeled prospective study to research the effect of infrared coagulation in the treatment of common warts, comparing it with electrocoagulation, and discussing its applicability as an alternative therapy regimen. Eighteen patients with common warts were included in this study. There were 49 warts of various sizes (1 mm to 1 cm) in these 18 patients. Twenty-seven warts were treated with infrared coagulation, and 22 warts were treated with electrocoagulation. Sixteen patients were treated with both infrared coagulation and electrocoagulation; two patients were treated with only infrared coagulation. The patients were followed-up for six months after treatment. Changes in sizes of warts, healing times, and cure rates were compared by Mann-Whitney U test. The mean healing time was 35.5 +/- 5.7 days with infrared coagulation and 32.9 +/- 4.0 days with electrocoagulation. There was not any significant difference between healing times (p > 0.05). Bacterial infection was seen on seven (31.8%) warts treated with electrocoagulation, but no side effects were seen with infrared coagulation. There was a significant difference between side effect rates in two groups (p < 0.01). Nine (33.3%) of the warts treated with infrared coagulation and seven (31.8%) of the warts treated with electrocoagulation recurred in the six-month follow-up period. The overall cure rates at the end of the follow-up period were 66.7% and 68.2% respectively. There was not any significant difference between the cure rates in the two groups (P > 0.05). We conclude that infrared coagulation is a safe and cheap method and should be kept in mind as an alternative modality for the treatment of common warts.

Adolescent↗
PubMedDate not supplied

Molecular analysis of the effect of topical imiquimod treatment of HPV 2/27/57-induced common warts.

Imiquimod is effective in the treatment of genital warts and clinical studies suggest activity against common warts as well. We have analyzed the effect of topical imiquimod on gene expression and virus load in human papilloma virus (HPV) 2/27/57-induced common warts. mRNA was extracted from keratinocyte culture, from normal skin, from three untreated common warts and from three common warts treated topically with 5% imiquimod cream twice daily. Differential gene expression was demonstrated by RT-PCR and by cDNA microarray hybridization. We further analyzed viral DNA content in scales from three superficially pared imiquimod-treated warts by real-time PCR. Comparison of normal skin with wart tissue revealed that HPV 2/27/57 infection led to an induction of IL-6, IL-10 and interferon-gamma inducible protein (IP10) and to an up-regulation of TGF-beta. We could further detect expression of PCTAIRE-3, WNT2B, frizzled-3, notch-2, notch-4 and BRCA2 in normal skin and common warts. Analysis of imiquimod-treated warts demonstrated that imiquimod enhanced IL-6 expression and induced IL-8, GM-CSF, MRP-8 and MRP-14. It could also be shown that imiquimod led to an infiltration of wart tissue with macrophages and to a strong decrease of viral copy number in warts within 3 months of treatment. Our data thus provide molecular proof of principle for imiquimod treatment of cutaneous common warts.

Administration, Topical↗
PubMedDate not supplied

Cryosurgery treatment of plantar warts.

Plantar warts are common, painful and contagious. Because of their dept of penetration, self treatment with topical creams and gels is often very slow and commonly unsuccessful. Surgical excision or cautery are very painful, can leave permanent tender scars and often lead to relapse because of the Koebner phenomenon. 100 consecutive patients with plantar warts treated by one General Practitioner over a sixteen month period were analysed. Patients were followed up to assess success and relapse rates and the development of any complications. The number, type, size and position of plantar warts were also recorded and analysed. A total of 514 plantar warts presented for treatment. 505 Plantar Warts in 96 patients were considered suitable for treatment using liquid nitrogen cryosurgery via a Byrmill cryogun. Patients were treated by the open spray technique after debulking the plantar wart using a surgical blade. 421 plantar warts (83.5%) cleared completely with one single treatment of cryosurgery. A further 30 (6%) cleared with two treatments and another 15 (3%) cleared with three treatments. In total, 467 plantar warts (92.5%) cleared completely using cryosurgery and 90% of these cleared with one treatment. Of the remaining 38 plantar warts, 23 (4.5%) were lost to follow up and 12 (2.4%) were managed using other techniques after initially being treated with cryosurgery. Only 3 (0.6%) plantar warts failed to clear. However, all three were smaller and less painful after treatment. No patient had to be referred to hospital for treatment of their plantar warts. There were no serious complications of treatment. This study highlights the advantages of cryosurgery for treating plantar warts in general practice. This technique is quick, safe, highly successful, has a low relapse rate and leaves little or no scars.

Adolescent↗
PubMed2001

Intralesional injection of mumps or Candida skin test antigens: a novel immunotherapy for warts.

BACKGROUND: Warts are common and induce physical and emotional discomfort. Numerous therapies exist, yet none is optimal. Despite theoretical advantages, immunotherapeutic modalities are often neglected as first-line wart therapies. OBJECTIVE: To compare treatment with intralesional skin test antigen injection of 1 wart vs cryotherapy of all warts. DESIGN: Pilot study. SETTING: University dermatology outpatient clinic. PATIENTS: A total of 115 consecutive patients with at least 1 nongenital wart. INTERVENTIONS: Patients with warts were tested for immunity to mumps and Candida using commercial antigens. Nonresponders received cryotherapy and immune individuals received cryotherapy or intralesional injection of 1 antiserum. RESULTS: Thirty-four (30%) of the 115 patients did not respond to the test injections and 81 (70%) had detectable immunity. Of the immune group, 26 (32%) received cryotherapy, 45 (56%) received intralesional mumps antiserum, and 10 (12%) received intralesional Candida antiserum. Of the anergic patients, 28 (82%) were treated with cryotherapy; 6 (18%) refused cryotherapy. Of the 39 patients who were treated with immunotherapy and completed the protocol, 29 (74%) had complete clearing of the treated wart. Fourteen (78%) of 18 patients with complete resolution of their immunotherapy-treated wart also had resolution of untreated, distant warts. CONCLUSIONS: Intralesional injection of mumps or Candida antigens into warts of immune individuals represents effective treatment. Observation of clearing of anatomically distinct and distant warts suggests acquisition of human papillomavirus-directed immunity in some patients. We conclude that this novel approach to immunotherapy may serve as first-line treatment in immune individuals with multiple or large warts and as second-line treatment in immune patients for whom cryotherapy fails.

Adolescent↗
PubMed2003

Topical imiquimod 5% cream as an effective treatment for external genital and perianal warts in different patient populations.

BACKGROUND: Genital infection with human papillomavirus, the cause of genital warts, is one of the most common sexually transmitted diseases. GOAL: The aim of this analysis was to determine whether patients' demographic variables affect the efficacy of imiquimod 5% cream versus vehicle cream for the treatment of external genital and perianal warts. STUDY DESIGN: Male and female immunocompetent patients applied imiquimod 5% cream topically to external genital warts 3 times a week until wart clearance or for up to 16 weeks. RESULTS: As previously published, the intent-to-treat (ITT) clearance rate was 50% (54/109) in the imiquimod-treated group and 11% (11/100) in the vehicle-treated group ( P< 0.0001). The ITT clearance rate in the imiquimod-treated group was higher in females (72%) than in males (33%). We have examined the clearance rates for subgroups based on variables of gender, baseline wart area, duration of current outbreak of warts, previous wart treatment, and tobacco use. For each of these subgroups, imiquimod was statistically more effective than vehicle in eradicating external genital and perianal warts. CONCLUSION: Imiquimod 5% cream is an effective treatment for external genital and perianal warts and provides a significant benefit in comparison with vehicle cream, independent of gender, initial wart size, duration of current outbreak of warts, previous wart treatment, or tobacco use.

Administration, Topical↗
PubMed1993

Clinical presentation of genital warts among circumcised and uncircumcised heterosexual men attending an urban STD clinic.

INTRODUCTION: A recent study comparing heterosexual men with and without confirmed sexually transmitted diseases (STDs) in an urban STD clinic showed that uncircumcised men were less likely than circumcised men to have genital warts detectable by clinical examination (adjusted odds ratio 0.7, 95% confidence interval 0.4, 0.9). Based on these initial findings we hypothesised that the appearance and anatomic distribution of genital warts, and possibly treatment response, may be different for circumcised and uncircumcised men. METHODS: The anatomic location, appearance, number of warts, and response to treatment was investigated through review of medical records of 459 heterosexual men with genital warts detected in 1988. RESULTS: Age- and race-adjusted estimates indicated that among men with genital warts, warts were detected much more commonly on the distal penis--that is, the corona, frenulum, glans or urethral meatus-, among uncircumcised men (26%) than among circumcised men (3%) (OR 10.0, 95% CI 3.9, 25.7). Where the appearance was specified, warts were more often described as condylomatous in uncircumcised men and slightly more often as papular in circumcised men. No significant difference between circumcised and uncircumcised men was seen in the number of return visits to the clinic for persistent warts after treatment with liquid nitrogen: 2.2 visits for 19 uncircumcised men and 2.3 visits for 149 circumcised men. CONCLUSION: Circumcised men were more likely than uncircumcised men to have genital warts, but when present, warts were more often located on the distal portion of the penis among uncircumcised men. This paradox is not understood, but could reflect either nonspecific resistance to proximal penile warts conferred by the foreskin, or heightened susceptibility to various HPV types in uncircumcised men, some of which may confer subsequent immunity to genital warts.

Adolescent↗
PubMed2002

Retinoids strongly and selectively correlate with keratin 13 and not keratin 19 expression in cutaneous warts of renal transplant recipients.

OBJECTIVE: To compare the expression of keratin (K) 13 and K19 in cutaneous warts of renal transplant recipients (RTRs) and immunocompetent individuals (ICIs). DESIGN: Retrospective, nonrandomized immunohistochemical study. PATIENTS AND METHODS: Specimens from cutaneous warts of RTRs and ICIs were retrieved from the archives of the Department of Pathology, University Medical Center St Radboud, Nijmegen, the Netherlands. Twenty-one warts from RTRs and 21 from ICIs were examined. Nine RTRs (10 specimens) received either systemic acitretin or topical all-trans retinoic acid, and their effect on both keratins was assessed. MAIN OUTCOME MEASURES: Frequency and expression patterns of K13 and K19 in warts of RTRs vs ICIs and the effect of retinoids. RESULTS: A significantly higher percentage of warts of RTRs expressed K13 compared with warts of ICIs (86% vs 14%, 18 vs 3 cases, respectively; P<.001). In warts of RTRs, retinoid treatment correlated significantly with a particularly strong, segmental K13 expression pattern, which we termed zebroid. Without use of retinoids, K13 was mostly restricted to suprabasal single cells. Keratin 19 was absent in all warts of both patient groups. CONCLUSIONS: Retinoids strongly correlate with K13 in a characteristic zebroid pattern in warts of RTRs, making K13 a sensitive marker for retinoid bioactivity in skin (lesions) of RTRs. In non-retinoid-treated RTRs, K13 is also frequently found in warts but without the dramatic zebroid pattern noted in retinoid-treated warts.

Acitretin↗
PubMed1987

The morphology of butchers' warts as related to papillomavirus types.

Hand warts were studied in 160 butchers. Clinical and histological studies were performed in 190 warts and virological studies in 165 warts from 104 butchers. Since we found almost perfect correlation between the histological pattern and the type of infecting virus, it was possible to evaluate the virus types in a further 39 of 56 butchers without virological studies, on the basis of the histology of the warts. The most common infection was with HPV-2 (human papilloma virus) and HPV-7. Thirty-three butchers were infected with two types of viruses and three butchers with three HPVs. The morphology of warts varied considerably. The majority were similar to verrucae vulgares or verrucae planae. Some deep warts resembled myrmecia-type verrucae plantares. Often, several types of warts coexisted. Some clinical patterns were shown to be preferentially associated with distinct types of papillomaviruses: common warts with HPV-2, HPV-4, or HPV-7, plane and intermediate warts with HPV-3, HPV-10, HPV-28. HPV-7, previously identified for the first time in these butchers, was found to be associated with common warts or common wart-like, papillomatous lesions.

DNA↗
PubMed1998

Pigmented viral warts: a clinical and histopathological study including human papillomavirus typing.

Although clinical, histological and viral correlations have recently been established among pigmented warts, homogeneous intracytoplasmic inclusion bodies and related types of human papillomavirus (HPV) (HPV 65, 4 and 60), the causes of the pigmentation remain unknown. In this study, comparative histological and histochemical analyses were performed with 53 pigmented (34 HPV 65-induced, 12 HPV 4-induced and seven HPV 60-induced) and 73 non-pigmented warts (27 HPV 2-induced, 23 HPV 1-induced, 12 HPV 63-induced, six unknown HPV-type induced and five HPV 60 induced) to clarify the causes of the pigmentation. Electron microscopy was also used to examine the pigmented warts. Many melanin blockade melanocytes were identified in all of the pigmented warts with Masson-Fontana staining and electron microscopy, and increased melanin in keratinocytes was also noted in 22 pigmented warts, suggesting that the dispersion of melanin granules in the dendrites of the melanin blockade melanocytes and the increased melanin granules in keratinocytes are the primary contributors to the pigmentation of the warts. The homogeneous intracytoplasmic inclusion bodies might also play a part in the darkening of the warts, as only the cases which had the inclusion bodies as well as the melanin blockade melanocytes were clinically pigmented. Although melanin blockade melanocytes were seen in a few cases of HPV 1- and HPV 2-induced warts in which the homogeneous inclusion bodies were not observed, the warts were not clinically pigmented. Melanin blockade melanocytes were not seen in any of the HPV 63-induced non-pigmented warts. In conclusion, the pigmented warts were associated with one of the related types of HPV (HPV 65, 4 and 60), and the pigmentation of the lesions is thus thought to be caused primarily by melanin blockade melanocytes. The homogeneous intracytoplasmic inclusion bodies might also play a part in the darkening of the lesions. This is the first report dealing with the pigmentary disorder associated with specific types of HPV.

Adolescent↗
PubMed1998

The prevalence of common skin conditions in Australian school students: 1. Common, plane and plantar viral warts.

Although viral warts are common, their exact frequency in the community is often underestimated and not well recorded. A random sample of 2491 students from schools throughout the State of Victoria, Australia were examined by dermatologists and dermatology registrars to record the prevalence of common, plantar and plane warts. The overall prevalence of warts adjusted for the age and sex of Victorian school children was 22% (95% confidence interval (CI) 20.1-20.7) varying from 12% (95% CI 9.4-15.7) in 4-6 year olds to 24% (95% CI 18.3-30.4) in 16-18 year olds. Common warts were the most frequent (16%) compared with plantar warts (6%) and plane warts (2%). There was no difference in the overall frequency of warts between males and females and there was no difference in frequency between those who had eczema and those who did not. Almost 40% of those found to have warts on examination had indicated on the survey questionnaire that they did not have any of these lesions. Of those who knew that they had warts, only 38% had used any treatment for them. These data, the first community-based prevalence data on warts ever published from Australia, confirm that warts are indeed common. They suggest the need for education programmes in schools on the nature of these lesions and the treatment available.

Adolescent↗
PubMed2001

Liquid nitrogen cryotherapy of common warts: cryo-spray vs. cotton wool bud.

BACKGROUND: Viral warts represent a large workload for dermatology departments. Cryotherapy with liquid nitrogen is the most widely used method of treatment by dermatologists and is increasingly used by general practitioners in the U.K. Existing data relating to the response to cryotherapy are virtually all derived from the use of a cotton wool bud as the applicator. There is an increasing trend to use the cryo-spray to freeze warts and it has been assumed that this is equally effective. In view of the workload involved it is important to test this assumption. OBJECTIVES: This prospective study was undertaken to compare these two methods of liquid nitrogen cryotherapy with regards to cure rate after 3 months of treatment. METHODS: Patients referred to two hospital dermatology departments with hand or foot warts were allocated to have liquid nitrogen applied with either a cryo-spray or with a cotton wool bud. Using either technique, liquid nitrogen was applied until ice-ball formation had spread from the centre to include a margin of 2 mm around each wart. Treatment was done fortnightly for up to 3 months. Plantar warts were pared and treated with a double freeze-thaw cycle. The endpoint of the study was complete clearance of all warts. RESULTS: Three hundred and sixty-three patients were enrolled, mean age 21 years (range 3-75), 188 male and 175 female. The mean duration of the warts was 98 weeks (median 78, range 2-936). The number of warts on the hands and feet varied from one to 80 (mean 5). The treatment groups were comparable with regards to baseline demographics. Two hundred and seven patients were evaluable. Cure rates at 3 months were 47% in the cotton wool bud group and 44% in the cryo-spray group (P = 0.8). Warts that had been present for 6 months or less (n = 31) had a greater chance of clearance (84%) compared with warts that had been present for more than 6 months (39%, n = 176) (P < 0.0005). CONCLUSIONS: Cryotherapy with liquid nitrogen for hand and foot warts in our study was equally effective when applied with a cotton wool bud or by means of a spray.

Adolescent↗
PubMedDate not supplied

Immunotherapy for recalcitrant warts in children using intralesional mumps or Candida antigens.

Intralesional injection of mumps and Candida skin test antigens has been shown to be effective in the treatment of warts. Warts are generally difficult to treat in children. To determine the efficacy of intralesional skin test antigen injection for the treatment of resistant warts in children, we treated 47 pediatric patients with one or more warts with intralesional injection of mumps or Candida skin test antigen into one wart. Twenty-two patients (47%) with resistant warts experienced complete resolution of treated warts. An average of 3.78 treatments were necessary. An additional 34% of children had a greater than 25% improvement in their warts. Sixty-eight percent of subjects with more than one wart also noted at least partial resolution (greater than 25% resolution) of untreated warts at distant sites, with 34% experiencing complete resolution. We concluded that intralesional injection of skin test antigens is an effective therapy for children who have recalcitrant, nongenital, cutaneous warts.

Adolescent↗
PubMed2002

Proliferation and invasion factors in HIV-associated dysplastic and nondysplastic oral warts and in oral squamous cell carcinoma: an immunohistochemical and RT-PCR evaluation.

OBJECTIVE: Oral warts arising in human immunodeficiency virus (HIV) infection occasionally show marked epithelial dysplasia. However, anecdotal evidence suggests that they do not progress to oral squamous cell carcinoma (SCC). Therefore, we evaluated lesions for expression of proteins (tenascin-C, beta6 integrin, and matrix metalloproteinase-1[MMP1]) that have been identified as important in the invasive phase of oral SCC. STUDY DESIGN: Twenty-two oral dysplastic warts from 22 patients and 5 oral SCCs were stained for human papillomavirus (HPV) antigen, proliferation protein Ki-67, tenascin-C, beta6, and MMP1 by immunohistochemical methods. For comparison, 5 nondysplastic warts each from HIV-positive and HIV-negative patients and 5 normal mucosa specimens were included. Sections were semiquantitatively assessed, and results were compared. Because MMP1 was the lowest or least expressed interface protein, MMP1 mRNA was quantitatively assessed from formalin-fixed paraffin-embedded tissue in selected cases with quantitative reverse transcription-polymerase chain reaction. RESULTS: Twenty of 22 dysplastic warts stained positive for human papillomavirus common antigen, and all warts showed high proliferative fractions similar to SCCs. Tenascin-C and beta6 were variably expressed by the dysplastic warts but were consistently expressed at high levels in the SCCs. MMP1 protein levels were negative or low in 20 of 22 in dysplastic warts, but were elevated in 4 of 5 SCCs. MMP1 mRNA analysis indicated that message was low in 4 dysplastic warts and also suggested that protein translation was incomplete in 3 of the warts. CONCLUSION: We conclude that invasion-associated proteins are underexpressed in oral dysplastic warts in HIV-positive men. However, until these patients are followed for extended periods, the risk of development of SCC from oral dysplastic warts remains unknown.

AIDS-Related Opportunistic Infections↗
PubMed1976

An assessment of methods of treating viral warts by comparative treatment trials based on a standard design.

A series of eleven comparative wart treatment trials undertaken between 1969 and 1975 and involving 1802 patients is described. A method of coding provided groups of patients matched for age, type, number and duration of warts, within which treatments could be randomized. The variation in response to treatment was shown to be influenced significantly by these factors and the level of cure to depend on the proportions of the various response groups within the population under consideration. These proportions were found to vary geographically and at different periods. In all the trials the results were assessed at 12 weeks. In the treatment of hand warts, the percentage cure of patients treated with liquid nitrogen fell significantly from 75 to 40% when the interval between freezings was increased from 3 to 4 weeks. The average number of freezings required for a cure was 3-1 amongst all patients cured by 6 or less freezings at intervals of 2 or 3 weeks. In a two-centre trial there was no significant difference between the percentage cure of patients with hand warts treated with liquid nitrogen (69%) and of those applying a paint containing salicylic and lactic acids (SAL) (67%). Patients receiving both treatments concurrently did better (78%) but the difference was not found to be statistically significant. In the treatment of simple plantar warts the percentage cure for the SAL paint (84%) was found to compare favourably with that for a podophyllin treatment (81%). Only one of the patients cured by the paint in that trial was found to have had a recurrence after 6 months. The paint was found to be satisfactory for use under general practice conditions. Additions to the formula did not alter its effectiveness. In the treatment of mosaic plantar warts the overall percentage cure for the SAL paint in a series of comparative trials (1969-75) was 45%. In these trials it was compared directly with one or more other preparations. No differences were found between its efficacy and that of 10% buffered gluteraldehyde (47%), 40% benzalkonium chloride dibromide (Callusolve 40) (30%) and 5% 5-fluorouracil in dimethyl sulphoxide (53%). Only 25% of thirty-six patients treated with 5% idoxuridine in dimethylsulphoxide were cured. Throughout the trials approximately 30% of patients with hand warts, 20% of those with simple plantar warts and 50% of those with mosaic plantar warts were found to be resistant to treatment. The adoption of treatment with SAL paint for hand warts and simple plantar warts by the general practitioners in the Edinburgh area has proved satisfactory. Only resistant cases are now referred to hospital and these can be treated within a few weeks instead of 4-5 months as was the case in 1969.

Benzalkonium Compounds↗
PubMed1993

Anogenital warts in children.

Fourteen children presenting with anogenital (AG) warts and their close family members were studied; 28.6 and 8.3% of presenting children and other child household members, respectively, had non-genital cutaneous warts; 42.8% of children with AG warts had one or more adult household member with common hand warts. Fifty per cent of all mothers had subclinical cervical papilloma virus (PV) infection; only one male adult had subclinical PV infection of the penis without concurrent AG warts. Of the children with AG warts 42.8% had one or more adult household member with AG warts. Human papilloma virus (HPV) deoxyribonucleic acid (DNA), type 6/11 most frequently, was detected in 38.5% AG wart biopsies from children, and 67% AG wart biopsies from adults. HPV 31/33/35 was detected in 28.5% of cervical preneoplasias and type 6/11 in the one case of subclinical PV infection of the penile shaft. Detection of HPV types 6/11, 16/18, or 31/33/35 in AG warts in children was significantly associated with vertical (from an HPV-infected maternal birth canal during vaginal delivery) or sexual transmission of these warts (Fisher exact probability P = 0.031).

Anus Diseases↗
PubMed1989

Warts in general practice.

Eight hundred and ninety seven patients referred by their general practitioner to Health Centre Wart Clinics were interviewed. Seventy one patients (7.9%) were found to have lesions other than cutaneous warts. Females were significantly more likely to have plantar warts on their toes (p less than 0.002) and non-plantar warts on their fingers (p less than 0.03) and less likely to have non-plantar warts on the palms of their hands (p less than 0.03) than males. Patients living in large households (5+ persons) were more likely than patients living in smaller households (2-4 persons) to report an infected co-habitant (p less than 0.001). Patients with periungual warts were significantly more likely to be nailbiters. (p less than 0.001). Patients presenting with warts greater than two years in duration were more likely to have multiple warts than those with warts less than one month in duration (p less than 0.001). Patients who frequently immersed their hands in water were more likely to present with multiple warts on the hands (p less than 0.001). Multiple plantar warts were associated with moist or macerated feet (p less than 0.001). The role of the family doctor in diagnosing and preventing the spread of this infection is discussed.

Adolescent↗
PubMed2002

Activity of HspE7, a novel immunotherapy, in patients with anogenital warts.

PURPOSE: Human papillomavirus causes anogenital squamous intraepithelial lesions, warts, and cancer. Treatment of squamous intraepithelial lesions to prevent cancer often requires extensive surgery. We tested a human papillomavirus-specific immunotherapy, HspE7, as a potential alternative. METHODS: HspE7 was constructed by fusing heat shock protein Hsp65 from bacille Calmette-Guerin to E7 protein from human papillomavirus-16. Improvement in pathologic diagnosis of patients with persistent high-grade squamous intraepithelial lesions was studied in an open-label trial (HspE7 500 microg monthly x3). Anogenital warts were not a trial parameter, but a retrospective review of the medical records of the first 22 patients enrolled at one site was undertaken to estimate the quality and frequency of responses of anogenital warts. Patients with warts by physical examination at baseline were scored at 24 weeks as to the percent reduction in wart size. RESULTS: Fourteen of the 22 patients had warts at baseline. At Week 24, 3 of the 14 patients had complete resolution of their warts, and 10 had warts reduced in size an estimated 70 to 95 percent. The remaining patient's warts increased in size. The reduction in size in most patients greatly diminished the procedure necessary for complete ablation. No serious or severe adverse events were related to HspE7. CONCLUSIONS: A retrospective review of patients' medical records suggests that HspE7 may be broadly active in anogenital warts. This activity crosses multiple human papillomavirus types. The warts improved substantially but usually did not totally disappear within six months. Patient follow-up continues. A new randomized, placebo-controlled trial is underway to evaluate these findings.

Anus Diseases↗