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Imiquimod in Preventing Cervical Cancer in Women With Cervical Neoplasia

2014-08-27 03:56:18 | BioPortfolio

Summary

RATIONALE: Chemoprevention therapy is the use of certain substances to try to prevent the development of cancer. Applying topical imiquimod before abnormal cervical cells are removed may be effective in preventing cervical cancer.

PURPOSE: Randomized phase II trial to study the effectiveness of applying topical imiquimod before abnormal cervical cells are removed in preventing cervical cancer in patients who have recurrent or persistent cervical neoplasia.

Description

OBJECTIVES:

- Compare the chemopreventive efficacy of topical imiquimod followed by local ablative or excisional therapy vs ablative/excisional therapy alone in patients with recurrent or high-grade cervical intraepithelial neoplasia.

- Compare the toxicity of these regimens in these patients.

- Compare the quality of life of patients treated with these regimens.

- Determine the safety and tolerability of imiquimod in these patients.

OUTLINE: This is a randomized, multicenter study. Patients are stratified according to participating center, disease (primary vs recurrent or persistent), severity of dysplasia (grade I vs grade II vs grade III), current tobacco use (yes vs no), planned surgical procedure (excisional vs laser vs cryotherapy vs other), and time since first abnormal Pap smear, including pathology of ascus favor dysplasia (less than 1 year vs 1-3 years vs more than 3 years). Patients are randomized to one of two treatment arms.

- Arm I: Patients undergo ablative or excisional therapy.

- Arm II: Patients have topical imiquimod applied to the cervix for 6-10 hours twice weekly for a total of 5 doses. Within 3-4 weeks after the final application, patients undergo ablative or excisional therapy.

Quality of life is assessed at baseline, after last dose of study drug (arm II only), 3-5 days after ablation or excisional therapy, at 3 months, and then annually thereafter.

Patients are followed every 3-4 months until 2 consecutive normal Pap smears or colposcopic exams, every 6 months for 2 years, and then annually until 5 years after completion of study therapy.

PROJECTED ACCRUAL: A total of 66-152 (33-76 per treatment arm) will be accrued for this study within 18 months.

Study Design

Primary Purpose: Prevention

Conditions

Cervical Cancer

Intervention

imiquimod

Location

CCOP - Mayo Clinic Scottsdale Oncology Program
Scottsdale
Arizona
United States
85259-5404

Status

Completed

Source

National Cancer Institute (NCI)

Results (where available)

View Results

Links

Published on BioPortfolio: 2014-08-27T03:56:18-0400

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Medical and Biotech [MESH] Definitions

Morphological abnormalities of the cervical EPITHELIUM, usually revealed in PAP SMEAR, which do not meet the criteria for squamous CERVICAL INTRAEPITHELIAL NEOPLASIA or SQUAMOUS CELL CARCINOMAS of the CERVIX . It may be a sign of infection with certain types of human papillomavirus (HPV).or sign of a benign (not cancer) growth, such as a cyst or polyp or, in menopausal women, of low hormone levels. More testing, such as HPV test, may be needed.

A network of nerve fibers originating in the upper four cervical spinal cord segments. The cervical plexus distributes cutaneous nerves to parts of the neck, shoulders, and back of the head, and motor fibers to muscles of the cervical spinal column, infrahyoid muscles, and the diaphragm.

A parameter usually used in PRENATAL ULTRASONOGRAPHY to measure the length of the uterine neck (CERVIX UTERI). Cervical length or its shortening is used to identify and prevent early cervical opening and PRETERM BIRTH.

Soft tissue tumors or cancer arising from the mucosal surfaces of the LIP; oral cavity; PHARYNX; LARYNX; and cervical esophagus. Other sites included are the NOSE and PARANASAL SINUSES; SALIVARY GLANDS; THYROID GLAND and PARATHYROID GLANDS; and MELANOMA and non-melanoma skin cancers of the head and neck. (from Holland et al., Cancer Medicine, 4th ed, p1651)

Tumors or cancer of the UTERINE CERVIX.

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