|Year : 2020 | Volume
| Issue : 4 | Page : 559-565
A study to evaluate the role of intradermal and intralesional measles, mumps, rubella (MMR) vaccine in treatment of common warts
Pragya Gupta, Geeta Ram Tegta, GK Verma, Abhishek Gupta, Mudita Gupta, Shikha Sharma
Department of Dermatology, Venereology and Leprosy, IGMC Shimla, District Sirmour, Himachal Pradesh, India
|Date of Web Publication||13-Jul-2020|
D/O Dr. Ashok Kumar Gupta, Ward NO. 12, V.P.O. Majra, District Sirmour, Himachal Pradesh
Source of Support: None, Conflict of Interest: None
| Abstract|| |
Background: Warts are common cutaneous viral infection with a wide range of therapeutic modalities. Various agents have been tried for immunotherapy in warts. Objectives: Determine the role of intralesional and intradermal measles, mumps, rubella (MMR) vaccine in the treatment of common warts; to compare the efficacy of intralesional versus intradermal MMR vaccine. Methods and Materials: Patients diagnosed with verruca vulgaris were divided into two groups. In study group A, the individuals were injected with an intralesional MMR vaccine of 0.3 mL in the representative wart (largest) once in 3 weeks till there is complete clearance or maximum of four injections whichever is earlier, while in study group B, the individuals were injected with an intradermal MMR vaccine of 0.3 mL over the unilateral deltoid muscle area at similar intervals. Results: There were 33 patients in each group. In group A, 10 (30.3%) patients showed complete, 9 (27.3%) marked, 6 (18.2%) moderate, 3 (9.1%) mild, and 5 (15.2%) no response. In group B, seven (21.2%) patients showed complete, one (3.0%) marked, one (3.0%) moderate, four (12.1%) mild, and 20 (60.6%) no response. There were minimal side effects in the form of pain, erythema, itching at the injection site in a few patients, only one patient had syncope. Conclusion: We conclude that the MMR vaccine is an effective and safe modality of treatment for verruca vulgaris without any serious adverse effects. Also, the intralesional route showed better results in comparison to the intradermal route when we consider the treatment of a representative wart.
Keywords: Immunotherapy, intradermal, intralesional, MMR vaccine, wart
|How to cite this article:|
Gupta P, Tegta GR, Verma G K, Gupta A, Gupta M, Sharma S. A study to evaluate the role of intradermal and intralesional measles, mumps, rubella (MMR) vaccine in treatment of common warts. Indian Dermatol Online J 2020;11:559-65
|How to cite this URL:|
Gupta P, Tegta GR, Verma G K, Gupta A, Gupta M, Sharma S. A study to evaluate the role of intradermal and intralesional measles, mumps, rubella (MMR) vaccine in treatment of common warts. Indian Dermatol Online J [serial online] 2020 [cited 2021 Jun 15];11:559-65. Available from: https://www.idoj.in/text.asp?2020/11/4/559/289609
| Introduction|| |
Warts are common cutaneous viral infections involving skin and mucous membranes characterized by benign proliferative hyperkeratotic lesions caused by human papillomavirus (HPV)., Spontaneous resolution occurs in 65–70% of warts within 2 years. About one-third or more do not resolve and become highly recalcitrant to treatment with different modalities, including the most aggressive therapies. Poor prognostic indicators include warts in adults, long duration, the involvement of palms, soles, and numerous warts; such cases are frequently resistant to therapy and persist for a long time.
Though apparently benign, they create a profound impact on a patient's quality of life. Moderate to extreme discomfort is reported in 51.7% of patients, and social or leisure activities are affected to a moderate to an extreme degree in 38.8%. Most patients seek treatment because of their unsightly appearance and often painful or tender nature.
Although a wide spectrum of therapeutic modalities has been used for the management of warts, none has yielded consistently effective results or succeeded in preventing recurrence of warts. Destructive modalities act blindly on the HPVs present in keratinocytes of macroscopic lesions sparing the viruses present in other keratinocytes., Moreover, in patients with numerous lesions, most of the time they do not have any effect on the distant lesions other than the treated ones, resulting in repeated and long-drawn treatment sessions.
Various systemic immunotherapies including contact sensitizers such as squaric acid dibutyl ester and diphencyprone; proinflammatory cytokines such as interferons; immunomodulatory agents such as imiquimod; and immune enhancers such as oral levamisole, zinc sulfate have been attempted to stimulate the host immune response.
Intralesional injections of vaccines and organic antigens have also been studied extensively with a variable degree of success. Antigens studied include Candida albicans; measles, mumps, rubella (MMR); Trichophyton ; tuberculin antigens such as purified protein derivative (PPD), Mycobacterium w vaccine, and Bacillus Calmette-Guerin (BCG) vaccine. Immunotherapy is relatively inexpensive and can potentially lead to considerable improvement in warts, including widespread warts.
Although the mechanism is not entirely understood, these vaccines are thought to work by inducing a systemic T-cell-mediated response. Cytokines released from Th1 cells such as interleukin-2, 4, 5, 8 and interferon-gamma are predominantly increased in response to the injection of the vaccine. These cytokines activate cytotoxic and natural killer cells to eradicate HPV infection which clears not only local warts but also distant warts unlike traditional wart therapies. The intralesional injection might also play a role in concentrating the local immune response; however, some argue that the trauma of injection alone may be enough to induce a sufficient immune response in immunocompetent patients.,
This study was designed to explore the effectiveness, tolerability, and practicality of the MMR vaccine [Figure 1] used intralesionally and intradermally (deltoid area) to treat cutaneous warts. This method can be used in larger populations because of vaccine availability and safety. Also, the method of immunotherapy is less painful and cosmetically better tolerated than most of the destructive methods which are painful and leave scars.
|Figure 1: Measles, mumps, rubella (MMR) vaccine with diluent and insulin syringe|
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| Aims and Objectives of the Study|| |
To determine the role of intradermal and intralesional MMR vaccine in the treatment of common warts.
To compare the efficacy of intradermal versus intralesional MMR vaccine.
Materials and Methods
Patients of either sex having multiple common warts (verruca vulgaris) (>5) attending the outpatients' department (OPD) were screened and recruited in the study after satisfying the subject selection criteria.
Subject selection criteria
Patients attending the dermatology OPD were recruited if they satisfied the following criteria.
Inclusion criteria: Patients willing to consent, having multiple common warts (verruca vulgaris) (>5) at various sites of the body of the age group 12–40 years.
Exclusion criteria: Pregnant females, lactating mothers, children under 12 years, immunosuppressed individuals, patients having any chronic systemic illness, genital and perianal warts, ulcerated or inflamed warts, and patients with hypersensitivity to antigens.
The study was designed as an open-label, quasi-randomized, controlled, parallel-group trial of intralesional versus intradermal MMR vaccine and was carried out at a single center.
Consequent, convenient sampling.
Patients were selected and enrolled in the study after they met the subject selection criteria and gave written informed consent. Detailed history including name, age, sex, address, marital status, occupation, history of medication was noted along with their contact number. Selected patients were thoroughly examined and the number of lesions, size, site, duration of warts, type of warts, any previous treatment was recorded. Patients were divided into two groups, A and B on an alternate basis of presenting to the OPD.
In study group A, the patients were injected with an intralesional MMR vaccine (0.3 mL) in the representative (largest) wart with an insulin syringe once in 3 weeks till there was complete clearance or a maximum of four injections (3 months) whichever was earlier [Figure 2]a.
|Figure 2: (a) Intralesional (group a) (b) intradermal (group b) routes of administration of MMR vaccine|
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In study group B, the patients were injected with an intradermal MMR vaccine (0.3 mL) once in 3 weeks till there was complete clearance or a maximum of four injections (3 months) whichever was earlier [Figure 2]b. The site chosen for this intradermal injection was unilateral deltoid muscle area to study the effect of the vaccine if given at a distant site.
On each follow-up, patients were examined for evidence of partial or complete regression of their lesions by measuring the size of the wart, the appearance of any new lesions, to record any adverse effects and to ensure that the patients were not using any other treatment. Photographic documentation was done before the procedure and then periodically on follow-up.
Results were assessed at the end of 3 months. The primary outcome measure was the complete disappearance of all the lesions without residual scarring. Complete disappearance was said to have happened when the thickening, hyperkeratosis was no more evident and the normal skin markings return.
The results were assessed as:
Complete response: Disappearance of the wart(s) and appearance of normal skin.
Marked response: Partial responders who show a 75–99% outcome.
Moderate response: Partial responders who show a 50–75% outcome.
Mild response: Partial responders who show a 25–50% outcome.
No response: Those who show less than 25% outcome.
| Results|| |
The treatment groups were comparable at baseline regarding age, sex, education, occupation, and sites of warts. The study showed an urban dominant population with most patients in the mid-20s. There was no gender predominance. Most of the patients were students (57.6%) indicating an increased concern among this population to seek treatment of warts [Table 1].
|Table 1: Baseline and demographic characteristics of the subjects among the two groups|
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Eight patients had a history of warts previously that resolved spontaneously or by various treatments. 25 patients had a history of some form of treatment taken already for these warts with partial or no relief. Some of the patients had recurrence after chemical cautery and electrosurgery while others tried various home remedies or alternative medicines like homeopathy or Ayurveda without any obvious benefit. On the other hand, 41 patients did not seek any treatment previously and were subjected to the MMR vaccine as the primary treatment as a part of our study.
A statistically significant inverse correlation was found between the duration of warts and the degree of response (P = 0.008, Pearson correlation test) indicating that patients with shorter disease duration responded better. Although, in our study, the duration of the wart did not vary significantly with the degree of treatment response (P value = 0.118, ANOVA) [Table 1] and [Table 2].
There were 33 patients in each group. Six patients were lost to follow-up. In group A, 10 (30.3%) patients showed complete, 9 (27.3%) marked, 6 (18.2%) moderate, 3 (9.1%) mild, and 5 (15.2%) no response. In group B, seven (21.2%) patients showed complete, one (3.0%) marked, one (3.0%) moderate, four (12.1%) mild, and 20 (60.6%) no response [Table 2], [Table 3], [Table 4] and [Figure 3]. There were minimal side effects in the form of pain, erythema, itching at the injection site in a few patients, only one patient had syncope [Figure 4]. The decline in the size of the wart was found to be more in group A (92% reduction) as compared to group B (47.9% reduction) [Figure 5].
|Table 3: Area of the representative wart in the two groups over the period of study at various points of assessment|
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|Table 4: Comparison of responses in study group A (intralesional) and group B (intradermal) in 66 patients at the end of the study period|
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|Figure 4: Distribution of occurrence of adverse effects in the two treatment groups|
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|Figure 5: Area of the representative wart in the two groups over the period of study at various points of assessment|
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At the end of 3 weeks of the treatment, group A (intralesional) showed statistically more significant results as compared to group B (intradermal). After statistical analysis, we observed that as compared to intradermal group, intralesional group had 24 times higher chance of getting moderate response, 36 times higher chance of getting marked response and 5.7 times higher chance of getting complete response [Figure 6], [Figure 7], [Figure 8], [Figure 9].
|Figure 6: A patient in group A (intralesional group) before (a) and after (b) four injections in the representative wart showing complete response|
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|Figure 7: A patient in group A (intralesional group) before (a) and after (b) two injections only in the representative wart showing complete response|
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|Figure 8: A patient in group B (intradermal group) before (a) and after (b) three intradermal injections over the left deltoid showing complete response|
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|Figure 9: A patient in group B (intradermal group) before (a) and after (b) single intradermal injection over the left deltoid showing complete response|
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Most (57.6%) of patients reported no adverse effect during the course of treatment or on follow-up. There were very few adverse effects in the form of pain at the injection site (45.5%) and itching (9.1%) which were more common in the intralesional group (group A) as compared to the intradermal group (group B) (6.1% and 0%, respectively). Erythema was more common in the intradermal (9.1% vs 3%) group. Though flu-like symptoms have been reported in the previous studies, they were seen in only three (4.5%) patients in our study. One patient had an episode of syncope immediately after giving intralesional injection on the second visit.
Our study clearly showed that injecting the MMR vaccine intralesionally (group A) was more efficient in decreasing the size of the representative wart as compared to the intradermal route (group B) given at a distant site. This can be due to the effect of the injection causing trauma at the given site leading to an inflammatory response at the site of wart causing a better response itself in addition to the inflammatory response against the vaccine antigens. Also, the response was evident much earlier in the case of intralesional (seen at the time of second injection average) as compared to the intradermal route (seen at the fourth injection on an average).
Almost 60.6% of group B patients showed no response at all while in group A only 15.2% of patients showed no clinical response. Earlier studies with MMR were concordant with our results in case of an intralesional vaccine showing optimum results.
| Discussion|| |
Through ages numerous therapeutic strategies have been tried in the management of warts; ranging from hypnotherapy, acupuncture, alternative medicines, ablative therapies, and the newest addition to the list, immunotherapy. The range of therapeutic modalities speaks for itself that none of them is 100% effective and that's the reason that the quest for newer and better therapeutic options continues.
The most intriguing factor in the management of warts is the high recurrence rate of at least 30% even after apparently successful treatment, plausibly by the recrudescence of virus from the surrounding tissue reservoir. Immunotherapy for warts addresses the limitations of traditional ablative therapy by the fact that it enhances the cell-mediated immunity and enables the body's own immune system to clear the virus-infected tissue irrespective of whether they are visible or not. In this sense, they can target lesions situated remotely from the site of immunotherapy; making it a preferred option in multiple warts, warts on inaccessible or difficult-to-treat sites (like sub- or peri-ungual region) or in cosmetically sensitive areas (facial warts).
From the patients attending our outpatient department, 72 patients having five or more lesions were diagnosed as cases of multiple common warts and were selected on the basis of inclusion and exclusion criteria. Six patients were lost to follow-up, one got pregnant so was excluded from the study, two patients migrated due to their work and couldn't come for follow-up, and three patients did not come due to some unexplained reasons. We studied the effectiveness of the MMR vaccine given by intralesional and intradermal routes in groups A and B, respectively with 33 patients in each group.
Most of our patients were in their mid-20s (mean age being 24.6 ± 6.74 years and 26.3 ± 9.04 years in group A and group B, respectively).
While complete disappearance of warts was seen in 30.3% of group A (intralesional) patients and 21.2% of group B (intradermal) patients which is relatively comparable although the response to the treatment was earlier in group A as mentioned earlier. There have been many open-labeled studies using other immunotherapeutic agents for the treatment of warts. Saini et al. observed complete clearance in 40 (46.5%) of 86 patients with intralesional MMR vaccine which is comparable to our study.
Another study found that 49.43% of patients had >75% improvement and 26.44% of patients had complete resolution by giving intralesional MMR  which is also comparable to our results of intralesional group as total 57.6% patients showed more than 75% improvement (including complete and marked response).
Na et al. observed that over half (51.5%) of patients experienced >50% reduction in the size and number of warts, and 46.7% who had widespread warts showed good response by giving intralesional MMR vaccine. Our study showed that 75.8% of patients in the intralesional group had >50% improvement.
With the Mycobacterium w vaccine, Singh et al. observed complete response in 54.5% patients along with response in distant warts in 86.3% patients. Horn et al. found no difference in response among the individual antigens (Candida 59%; mumps 51%; Trichophyton 62%; P = 0.48). Nofal et al. evaluated MMR in 81.4% of patients in the vaccine group compared to 27.5% in the placebo group.
The response in different studies varies with the antigen and, therefore, it is difficult to interpret which antigen is the safest and the most effective. The difference in the study population selected for treatment, the number of patients, the type and duration of warts, and the number of intralesional injections could be the reasons for this variation in response. It is possible that a better response might have been obtained if we had injected a higher volume of vaccine (>0.3 mL), or if a predetermined volume was injected on the basis of testing the subjects for preexisting immunity to MMR. Possibly, the response could also have been augmented if more treatment sessions were carried out in patients who showed a lesser response as was done by Nofal et al.
To achieve a complete response, the mean number of intralesional and intradermal injections required was 2.1 ± 0.99 and 1.7 ± 0.95, which was concordant with the study where the mean number of intralesional injections required were 2.41 ± 0.68.
About 18 patients showed marked/moderate/mild response in group A and only 6 patients in group B. This may relate to the fact that those who get sensitized by the effect of MMR vaccine alone showed complete clearance in both the groups while in others, there was additive effect of the trauma causing more response in intralesional group. As there has been previously stated that trauma can itself cause resolution or warts in a few cases inciting a local immunological response.
We were unable to find any previous study comparing the two routes of giving the MMR vaccine intradermally in the deltoid muscle area versus intralesionally in the wart. Our study was inspired by the study of Elela et al. comparing the intradermal versus intralesional PPDs in the treatment of warts which showed comparable results in both groups.
| Limitations|| |
These results are only for common warts so we cannot generalize them for other types of warts (e.g., genital warts, plantar warts, verruca plana, etc.). We have compared a single representative wart (largest wart) on both intralesional and intradermal groups without taking into consideration the effect on distant warts, relatively smaller sample size. We have limited our study to a maximum of four injections though few studies have used more than four injections with better outcomes.
| Conclusion|| |
- We conclude that the MMR vaccine is an effective and safe modality of treatment for verruca vulgaris without any serious adverse effects. Its added advantage over destructive therapies is that it does not cause any scarring or disfigurement. Also, the intralesional route showed better results in comparison to the intradermal route and it should be preferred over the latter when we consider the treatment of representative wart.
Declaration of patient consent
The authors certify that they have obtained all appropriate patient consent forms. In the form, the patient(s) has/have given his/her/their consent for his/her/their images and other clinical information to be reported in the journal. The patients understand that their names and initials will not be published and due efforts will be made to conceal their identity, but anonymity cannot be guaranteed.
Financial support and sponsorship
Conflicts of interest
There are no conflicts of interest.
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[Figure 1], [Figure 2], [Figure 3], [Figure 4], [Figure 5], [Figure 6], [Figure 7], [Figure 8], [Figure 9]
[Table 1], [Table 2], [Table 3], [Table 4]