Clinical trials are research studies involving people.
- They test ways to treat and prevent cancer.
- All of today’s standard cancer treatments are a result of clinical trials completed many years ago.
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Clinical trials are research studies involving people.
Organizations or individuals looking for better treatments for cancer or new ways to prevent or detect cancer may sponsor clinical trials. Individual doctors at cancer centers or other medical institutions can also conduct trials.
Clinical trials testing new treatments are carried out in phases.
Phase I — Is the Treatment Safe?
As the first step in testing the research, doctors gather information about the side effects of the treatment and decide on the safe dose. Only a few patients in a few places take part in a Phase I trial.
Phase II — Does the Treatment Work?
In this step, doctors test the treatment to see how well it works. Most of the time, fewer than 100 patients are involved in Phase II trials.
Phase III — Is the Treatment Better?
Phase III trials compare the new treatment against the current standard therapy and randomly assign patients into one of the two groups. Many people from all over the country take part in these trials.
Phase IV — Are There Better Ways to Use the Treatment?
In this final step, treatments are tested to make sure they are safe and work well over a long period of time. This phase most often occurs once the new treatment has been approved for standard use. Anywhere from several hundred to several thousand people are enrolled in a Phase IV trial.
Clinical trials are available through oncologists everywhere — not just in major cities or in large hospitals.
Prevention
These trials test new approaches that doctors believe may reduce your chance of developing cancer. Most involve healthy people who have not had cancer. Some studies are conducted with people who have had cancer in the past to try to find ways to prevent second cancers.
Screening
Since cancer is often easier to cure when it is found early, screening trials test methods to better detect cancer, especially in the early stages. These studies also help find out whether finding cancer before it causes symptoms will lessen a patient’s chances of dying from the disease.
Diagnostic
Diagnostic trials help answer whether or not there are new approaches that could be used to find certain types of cancer and at an earlier stage.
Treatment
The purpose of these trials is to find out if a new treatment or technique is better than the standard treatment. This can include new approaches to radiation therapy, new drugs, vaccines and different combinations of treatment.
Supportive Care/Quality of Life
These studies explore ways to improve the comfort and quality of life of people with cancer or survivors. These trials also study ways to better combat the side effects of some treatments.
Genetics Studies
These are generally done with another clinical trial and focus on how genetic makeup can affect detection, diagnosis or response to cancer treatment.
Who Can Participate in a Clinical Trial?
Each clinical trial calls for certain criteria that a patient must meet to be included in that trial.
It’s important to remember that clinical trials are completely voluntary. Patients can leave a trial at any time.
Although there are risks with any treatment, there are also many benefits of taking part in a clinical trial. For example:
Before taking part in a clinical trial, talk to your doctor about some of the risks involved with your treatment. For example:
Before joining a clinical trial, you may want to ask your doctor questions about the study and your treatment.
If you are interested in joining a clinical trial, talk to your doctor. He or she can help you find out if a trial is right for you.
Before taking part in a clinical trial, it’s important to ask what your costs will be.
Cancer Type | Trial ID | Description | Notes |
Brain Tumors | RTOG 0671 | Stereotactic radiosurgery, with or without whole-brain radiotherapy | Your doctor may recommend this study for treatment of cancer that spread to the brain from another organ |
RTOG 1270 | Stereotactic radiosurgery versus whole-brain radiotherapy | Your doctor may recommend this study following surgery for cancer that spread to the brain from another organ | |
RTOG 0913 | Radiation and chemotherapy with or without an experimental drug (RAD001) | Your doctor may recommend this study following surgery for a high -grade primary brain cancer (glioblastoma) | |
RTOG 0925 | Observation | Your doctor may recommend this study if you have a low-grade primary brain cancer | |
Breast Cancer | RTOG 0974 | Radiation with or without Herceptin | Your doctor may recommend this study following surgery for non-invasive breast cancer (DCIS) |
Cervical Cancer | GOG 724 | Radiation and chemotherapy with or without additional chemotherapy afterwards | Your doctor may recommend this study following surgery for cervical cancer |
GOG 274 | Radiation and chemotherapy with or without additional chemotherapy afterwards | Your doctor may recommend this study for treatment of cervical cancer | |
Esophageal Cancer | RTOG 1010 | Radiation and chemotherapy with or without Herceptin | Your doctor may recommend this study for treatment of esophageal cancer if your tumor has a specific molecular abnormality |
CALGB 80803 | Radiation and chemotherapy, with various chemotherapy options | Your doctor may recommend this study for treatment of esophageal cancer if your tumor can be removed surgically | |
Head & Neck Cancer | RTOG 0920 | Radiation with or without Cetuximab | Your doctor may recommend this study following surgery for a cancer of the mouth, throat or voicebox |
Lung Cancer | RTOG 1012 | Radiation with or without Manuka honey | Your doctor may recommend this study to avoid injury to your esophagus during radiation to the chest |
RTOG 0538 | Daily versus twice-daily radiation treatment | Your doctor may recommend this study for treatment of small cell lung cancer of “limited stage” | |
RTOG 0937 | Brain radiation with or without chest radiation | Your doctor may recommend this study for treatment of small cell lung cancer of “extensive stage” | |
Lymphoma | CALGB 50801 | Omission of radiation after complete response to chemotherapy | Your doctor may recommend this study for treatment of early-stage Hodgkin’s lymphoma |
Pancreatic Cancer | RTOG 0848 | Chemotherapy with or without radiation | Your doctor may recommend this study following surgery for cancer of the pancreas |
Prostate Cancer | RTOG 0534 | Radiation with or without anti-hormone therapy | Your doctor may recommend this study following surgery for prostate cancer, if your PSA is rising |
Spine Tumors | RTOG 0631 | Stereotactic radiotherapy versus conventional radiotherapy | Your doctor may recommend this study for treatment of cancer that spread to the spine from another organ |
Uterine Cancer | GOG 258 | Chemotherapy with or without radiation | Your doctor may recommend this study following surgery for uterine cancer |