Pharmaceutical companies often hide test results from the public that would reveal their drugs are less effective than advertised and have far riskier side effects. What are the long-term effects of immunotherapy? Because immunotherapy for lung cancer is new, doctors aren't sure what the long-term effects or complications might be. They can include diabetes and thyroid problems, which would require ongoing medical care.
Immunotherapy drugs can have severe side effects that can lead to death. Once the immune system is activated, it may attack normal tissues as well as tumors. That would not be a problem with natural Immuno-oncology. Monoclonal antibodies has been known to cause high blood pressure, bleeding, blood clots, kidney damage, severe rashes and other serious risks.