New cancer treatment offers hope to patients out of options | Cancer research | The Guardian theguardian.com New cancer treatment offers hope to patients out of options Andrew Gregory 5-7 minutes A new cancer treatment can stop the disease advancing in patients who are resistant to immunotherapy, doctors have discovered. Immunotherapy uses the immune system to target and kill cancer cells, and can save lives when other treatment options, such as surgery, radiotherapy or chemotherapy, have failed. However, it cannot help all patients, and some tumours can evolve to resist it. Now oncologists in the UK have found a two-pronged treatment – immunotherapy combined with guadecitabine, a novel experimental drug – can reverse a cancer’s resistance to immunotherapy. Patients expected to die after exhausting all treatment options survived much longer, they found. The combination of pembrolizumab,...