How long does immunotherapy take to show results?
                     How Long Does 
Immunotherapy take to 
Show Results?
By Dr. Amitabh Singh
Best Uro Oncologist | Uro Onco Surgeon | 
Robotic Prostate Cancer in Delhi
9911372499 urooncologistdramitabh.com
What is Immunotherapy?
• A treatment that uses your 
own immune system to fight 
cancer.
• Works differently from 
chemotherapy or radiation.
• Takes time to activate immune 
response.
Dr. Amitabh Singh| MS( General Surgery) 
MCh(Urology) MBBS
Rajiv Gandhi Cancer Institute and Research Centre, Rohini
991137249 urooncologistdramitabh.com
9
When Do Results Appear?
• 4–12 weeks: Early changes may 
appear.
• 3–6 months: Noticeable 
improvement in many cases.
• 6+ months: Some patients 
respond later but still benefit.
Dr. Amitabh Singh| MS( General Surgery) 
MCh(Urology) MBBS
Rajiv Gandhi Cancer Institute and Research Centre, Rohini
991137249 urooncologistdramitabh.com
9
Why Does Timing Differ?
• Cancer type and stage.
• Type of immunotherapy used.
• Overall health and immune 
system strength.
• Combination with other 
treatments.
Dr. Amitabh Singh| MS( General Surgery) 
MCh(Urology) MBBS
Rajiv Gandhi Cancer Institute and Research Centre, Rohini
991137249 urooncologistdramitabh.com
9
Final Takeaways
• Immunotherapy is powerful but 
works gradually.
• Results vary from person to 
person.
• Delayed response does not 
mean failure.
• Consistent monitoring ensures 
the best outcome.
Dr. Amitabh Singh| MS( General Surgery) 
MCh(Urology) MBBS
Rajiv Gandhi Cancer Institute and Research Centre, Rohini
991137249 urooncologistdramitabh.com
9
Thank You
Dr. Amitabh Singh| MS( General Surgery) 
MCh(Urology) MBBS
Rajiv Gandhi Cancer Institute and Research Centre, Rohini
991137249 urooncologistdramitabh.com
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