Modifiers matching peptide:

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

Simple categories matching anticancer:

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