Five randomized, phase III trials (GOG-85, RTOG-9001, GOG-120, GOG-123, and SWOG-8797) have shown an overall survival advantage for cisplatin-based therapy given concurrently with radiation therapy,[1,2,3,4,5,6] while one trial examining this regimen demonstrated no benefit. The patient populations in these studies included women with Féderation Internationale de Gynécologie et d'Obstétrique (FIGO) stages IB2 to IVA cervical cancer treated with primary radiation therapy and women with FIGO stages I to IIA disease found to have poor prognostic factors (metastatic disease in pelvic lymph nodes, parametrial disease, or positive surgical margins) at the time of primary surgery. Although the positive trials vary in terms of the stage of disease, dose of radiation, and schedule of cisplatin and radiation, the trials demonstrate significant survival benefit for this combined approach. The risk of death from cervical cancer was decreased by 30% to 50% with the use of concurrent chemoradiation therapy. Based on these results, strong consideration should be given to the incorporation of concurrent cisplatin-based chemotherapy with radiation therapy in women who require radiation therapy for treatment of cervical cancer.[1,2,3,4,5,6,7,8,9]
Since infection with human papillomavirus (HPV) is the most important risk factor for cervical cancer and precancers, it is important to avoid genital HPV infection. This may mean delaying sex, limiting the number of sex partners, and avoiding a sex partner who has had several other partners. Condoms are important to prevent the spread of sexually transmitted diseases, but they can't give full protection against HPV since there may be skin-to-skin contact of exposed areas which can transmit the virus...
Surgery and radiation therapy are equally effective for early-stage small-volume disease. Younger patients may benefit from surgery in regard to ovarian preservation and avoidance of vaginal atrophy and stenosis.
Patterns of care studies clearly demonstrate the negative prognostic effect of increasing tumor volume. Treatment, therefore, may vary within each stage as currently defined by FIGO and will depend on tumor bulk and spread pattern.
Therapy of patients with cancer of the cervical stump is effective, yielding results comparable to those seen in patients with an intact uterus.
Treatments under clinical evaluation for patients with cervical cancer include:
New anticancer drugs in phase I and phase II clinical trials.
Cervical cancer during pregnancy
During pregnancy, no therapy is warranted for preinvasive lesions of the cervix, including carcinoma in situ, though expert colposcopy is recommended to exclude invasive cancer. Treatment of invasive cervical cancer during pregnancy depends on the stage of the cancer and gestational age at diagnosis. The traditional approach is to recommend immediate therapy appropriate for the disease stage when the cancer is diagnosed before fetal maturity and to delay therapy only if the cancer is detected in the final trimester.[13,14] However, other reports suggest that deliberate delay of treatment to allow improved fetal outcome may be a reasonable option for patients with stage IA and early IB cervical cancer.
Whitney CW, Sause W, Bundy BN, et al.: Randomized comparison of fluorouracil plus cisplatin versus hydroxyurea as an adjunct to radiation therapy in stage IIB-IVA carcinoma of the cervix with negative para-aortic lymph nodes: a Gynecologic Oncology Group and Southwest Oncology Group study. J Clin Oncol 17 (5): 1339-48, 1999.
Morris M, Eifel PJ, Lu J, et al.: Pelvic radiation with concurrent chemotherapy compared with pelvic and para-aortic radiation for high-risk cervical cancer. N Engl J Med 340 (15): 1137-43, 1999.
Rose PG, Bundy BN, Watkins EB, et al.: Concurrent cisplatin-based radiotherapy and chemotherapy for locally advanced cervical cancer. N Engl J Med 340 (15): 1144-53, 1999.
Keys HM, Bundy BN, Stehman FB, et al.: Cisplatin, radiation, and adjuvant hysterectomy compared with radiation and adjuvant hysterectomy for bulky stage IB cervical carcinoma. N Engl J Med 340 (15): 1154-61, 1999.
Peters WA 3rd, Liu PY, Barrett RJ 2nd, et al.: Concurrent chemotherapy and pelvic radiation therapy compared with pelvic radiation therapy alone as adjuvant therapy after radical surgery in high-risk early-stage cancer of the cervix. J Clin Oncol 18 (8): 1606-13, 2000.
Thomas GM: Improved treatment for cervical cancer--concurrent chemotherapy and radiotherapy. N Engl J Med 340 (15): 1198-200, 1999.
Pearcey R, Brundage M, Drouin P, et al.: Phase III trial comparing radical radiotherapy with and without cisplatin chemotherapy in patients with advanced squamous cell cancer of the cervix. J Clin Oncol 20 (4): 966-72, 2002.
Rose PG, Bundy BN: Chemoradiation for locally advanced cervical cancer: does it help? J Clin Oncol 20 (4): 891-3, 2002.
Chemoradiotherapy for Cervical Cancer Meta-Analysis Collaboration.: Reducing uncertainties about the effects of chemoradiotherapy for cervical cancer: a systematic review and meta-analysis of individual patient data from 18 randomized trials. J Clin Oncol 26 (35): 5802-12, 2008.
Eifel PJ, Burke TW, Delclos L, et al.: Early stage I adenocarcinoma of the uterine cervix: treatment results in patients with tumors less than or equal to 4 cm in diameter. Gynecol Oncol 41 (3): 199-205, 1991.
Lanciano RM, Won M, Hanks GE: A reappraisal of the International Federation of Gynecology and Obstetrics staging system for cervical cancer. A study of patterns of care. Cancer 69 (2): 482-7, 1992.
Kovalic JJ, Grigsby PW, Perez CA, et al.: Cervical stump carcinoma. Int J Radiat Oncol Biol Phys 20 (5): 933-8, 1991.
Monk BJ, Montz FJ: Invasive cervical cancer complicating intrauterine pregnancy: treatment with radical hysterectomy. Obstet Gynecol 80 (2): 199-203, 1992.
Hopkins MP, Morley GW: The prognosis and management of cervical cancer associated with pregnancy. Obstet Gynecol 80 (1): 9-13, 1992.
Hunter MI, Tewari K, Monk BJ: Cervical neoplasia in pregnancy. Part 2: current treatment of invasive disease. Am J Obstet Gynecol 199 (1): 10-8, 2008.
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September 04, 2014
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