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ECT STUDY High-grade or Initially Invasive Vulva - GinOnc-ECT Study

I

Institute of Hospitalization and Scientific Care (IRCCS)

Status and phase

Enrolling
Phase 2

Conditions

Paget Disease of the Vulva
Vulva Cancer

Treatments

Drug: Bleomicina

Study type

Interventional

Funder types

Other

Identifiers

NCT06715592
GinOnc-ECT study

Details and patient eligibility

About

Patients with a new diagnosis or recurrence of high-grade squamous precancerous lesions or initially non-invasive vulvar Paget's disease, who have not undergone other types of treatment, will be considered at the Fondazione Policlinico Universitario A. Gemelli - IRCCS - in Rome.

Full description

Vulvar Paget's disease (VPD) constitutes approximately 1-2% of malignant vulvar neoplasms in its invasive form and is the most frequent localization (60%) of extramammary Paget's disease (EMPD). Due to its rarity, precise epidemiological data are not available, although the estimated incidence of EMPD in Europe is 0.7/100,000/year. The affected population is mainly comprised of postmenopausal Caucasian women. The most common clinical symptoms are vulvar itching, pain, or burning, although patients can remain asymptomatic for many years, leading to frequent diagnostic delays. Primary lesions appear as erythematous or eczematous plaques with frequent multifocal discoloration and hyperkeratosis.

The pathogenesis is not fully understood. The most accepted theories suggest a probable origin from apocrine glands, mammary-like glands, totipotent cells of the basal layer of the epidermis or cutaneous appendages, or Toker cells located at the vulvar level. From an anatomopathological point of view, it is described as an intraepithelial adenocarcinoma with apocrine or eccrine differentiation, characterized by large cells with clear cytoplasm called Paget cells. The Wilkinson and Brown classification is currently the most used, distinguishing between a primary (cutaneous) form and a secondary form associated with adenocarcinomas from other sites. Specifically, the primary form includes a type 1a intraepithelial (75-81%), type 1b invasive (16-19%), and type 1c with intraepithelial Paget cells associated with an underlying vulvar adenocarcinoma (4-17%). The secondary form is the result of pagetoid dissemination of neoplastic elements from a contiguous anorectal (type 2) or urogenital neoplasm (type 3).

The invasive primary form is characterized by a poor prognosis with a high recurrence rate and mortality (5-year survival between 0 and 15% for frankly invasive forms), and therefore, it is generally treated with extensive and demolitive surgery, complemented with radiotherapy and/or chemotherapy, with often unsatisfactory results. Even in non-invasive primary forms, the most commonly used therapeutic approach is surgical, despite the absence of clear superiority over other treatments.

Vulvar carcinoma is a rare tumor, with an incidence in Italy ranging from 0.3 to 1.8 per 100,000 population, predominantly affecting individuals aged 55 and older. Squamous cell carcinomas represent approximately 95% of vulvar carcinomas, while the remaining cases consist of melanomas, sarcomas, and basal cell carcinomas. These forms have two fundamental pathogenetic pathways, which are dependent on specific risk factors. The most frequent pathway is associated with precancerous conditions such as inflammatory epithelial diseases of the vulva. This pathway is linked to forms with an incidence in middle to advanced age (55-85 years), showing a relatively low HPV infection rate and consequently a low risk of cervical cancer. The main precancerous condition associated with the development of HPV-negative vulvar carcinoma is lichen sclerosus. Less frequently, vulvar carcinoma arises following high-risk HPV infection. This etiopathogenic pathway is more common in younger women (under 40 years), consistent with the spread of the virus.

HPV-induced carcinogenesis takes years or decades to manifest, and there is growing evidence that additional tumor-promoting stages are necessary. It is widely accepted that effective immune control is required to prevent persistent HPV infection. However, recent

Enrollment

18 estimated patients

Sex

Female

Ages

18 to 75 years old

Volunteers

No Healthy Volunteers

Inclusion criteria

  • Histological diagnosis of de novo or recurrent vulvar VIN 2-3, microinvasive vulvar carcinoma in situ, and non-invasive vulvar Paget's disease
  • Positivity for high-risk cervical and/or vaginal HPV
  • Age > 18 years
  • Karnofsky performance status >70%
  • Informed consent to participate in the study
  • No surgical treatment indication due to disease extension, patient refusal, anesthesiological or reconstructive reasons
  • Negative Beta-hCG measurement in urine (pregnancy test or urinary beta-HCG) or in blood (plasma beta-HCG)

Exclusion criteria

  • Patients with a histological diagnosis of adenocarcinoma
  • Patients with concomitant and/or previous tumors
  • Current pregnancy and breastfeeding
  • Chronic renal insufficiency
  • Chronic renal dysfunction
  • Patients with a cardiac pacemaker
  • Epilepsy
  • Lung diseases with moderate/severe respiratory insufficiency
  • Poor lung function or abnormal lung function
  • Significant coagulation disorders
  • Coagulation abnormalities (platelets < 70,000/mm³ and INR > 1.5)
  • Ongoing HPV vaccination
  • Patients with immunosuppressive conditions or treatments (HIV positive)
  • Allergy to Bleomycin and/or Cisplatin
  • Cumulative doses of 250 mg/m² of Bleomycin received

Trial design

Primary purpose

Treatment

Allocation

N/A

Interventional model

Single Group Assignment

Masking

None (Open label)

18 participants in 1 patient group

ECT Electrochemotherapy
Experimental group
Description:
The ways in which ECT treatment will be applied have been codified at European level from the 2006 ESOPE study
Treatment:
Drug: Bleomicina

Trial contacts and locations

1

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Central trial contact

GIACOMO CORRADO, MD

Data sourced from clinicaltrials.gov

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