Treatment Options by Stage
A link to a list of current clinical trials is included for each treatment section. For some types or stages of cancer, there may not be any trials listed. Check with your doctor for clinical trials that are not listed here but may be right for you.
Stage 0 (Carcinoma in Situ)
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Treatment of stage 0 is usually localresection.
Check for U.S. clinical trials from NCI's list of cancer clinical trials that are now accepting patients with stage 0 anal cancer. For more specific results, refine the search by using other search features, such as the location of the trial, the type of treatment, or the name of the drug. General information about clinical trials is available from the NCI Web site.
Stage I Anal Cancer
Treatment of stage I anal cancer may include the following:
- Localresection.
- External-beam radiation therapy with or without chemotherapy. If cancer remains after treatment, additional chemotherapy and radiation therapy may be given to avoid the need for a permanent colostomy.
- Internal radiation therapy.
- Abdominoperineal resection, if cancer remains or comes back after treatment with radiation therapy and chemotherapy.
- Internal radiation therapy for cancer that remains after treatment with external-beam radiation therapy.
Patients who have had treatment that saves the sphincter muscles may receive follow-up exams every 3 months for the first 2 years, including rectal exams with endoscopy and biopsy, as needed.
Check for U.S. clinical trials from NCI's list of cancer clinical trials that are now accepting patients with stage I anal cancer. For more specific results, refine the search by using other search features, such as the location of the trial, the type of treatment, or the name of the drug. General information about clinical trials is available from the NCI Web site.
Stage II Anal Cancer
Treatment of stage II anal cancer may include the following:
- Localresection.
- External-beam radiation therapy with chemotherapy. If cancer remains after treatment, additional chemotherapy and radiation therapy may be given to avoid the need for a permanent colostomy.
- Internal radiation therapy.
- Abdominoperineal resection, if cancer remains or comes back after treatment with radiation therapy and chemotherapy.
- A clinical trial of new treatment options.
Patients who have had treatment that saves the sphincter muscles may receive follow-up exams every 3 months for the first 2 years, including rectal exams with endoscopy and biopsy, as needed.
Check for U.S. clinical trials from NCI's list of cancer clinical trials that are now accepting patients with stage II anal cancer. For more specific results, refine the search by using other search features, such as the location of the trial, the type of treatment, or the name of the drug. General information about clinical trials is available from the NCI Web site.
WebMD Public Information from the National Cancer Institute

