A Study in Advanced or Metastatic Gastrointestinal Cancers Exploring Treatment Combinations With Pelareorep and Atezolizumab

To join this study, people generally need to be at least 18 years old and in reasonably good health despite their cancer. This means you should be able to carry out most of your usual daily activities without too much difficulty. Doctors will also check that your blood, kidney, and liver test results are within certain healthy ranges. If you've had side effects from previous treatments, these must have mostly cleared up.

There are also reasons why someone might not be able to join. For example, if you've recently had chemotherapy, radiotherapy, or surgery (within the last 4 weeks), you might need to wait. Patients who have had certain immunotherapy drugs before, or who have serious heart problems, active infections, or uncontrolled autoimmune diseases, might not be suitable. Women who are pregnant or breastfeeding cannot take part. Additionally, some specific health conditions, like severe lung disease or certain unhealed injuries, would mean you couldn't join. For some parts of the study, there are extra checks, like for particular infections or specific genetic conditions.

If you decide to take part, you will have regular visits to the hospital for examinations, blood tests, and scans to check your health and how the treatment is working. The specific drugs you receive will depend on which group you are in, and these will be given either through a drip (intravenously) or as tablets. You will also have follow-up appointments after your treatment ends to monitor your long-term health. The total duration of your participation could vary, but you would be regularly assessed, and the study team would discuss the full schedule with you. You would need to use effective contraception if you are a woman who could become pregnant or a man with a partner who could become pregnant, and continue this for 6 months after your last study drug dose.