Continued Access Study for Participants Deriving Benefit in Pfizer-Sponsored Avelumab Parent Studies That Are Closing

This Master Protocol for Avelumab Continuation Sub-Studies is to provide continued treatment access, safety follow-up, and when applicable, overall survival follow-up for eligible participants who continue to derive a benefit from study intervention in the Pfizer-sponsored Avelumab parent studies.

Inclusion Criteria: 1. Any participant who is receiving study treatment and deriving significant clinical benefit or is in the safety and/or survival follow-up period in a Pfizer-sponsored Avelumab Parent Study. 2. Participants must agree to follow the reproductive criteria. 3. Participants must be willing and able to comply with all scheduled visits, treatment plan, and other study procedures. Exclusion Criteria: 1. Female participants who are pregnant or breastfeeding. 2. Any medical reason that, in the opinion of the Investigator or Sponsor, precludes the participant from inclusion in the study.