Modifiers matching peptide:

• active,
• synthetic,
• analgesic,
• antigenic,
• endogenous,
• anticancer,
• natural,
• psychoactive,
• proinflammatory,
• foreign,
• addictive,
• minor,
• interesting,

Simple categories matching anticancer:

• compound,
• treatment,
• peptide,
• modality,
• therapy,
• drug,
• agent,