Modifiers matching peptide:

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

Simple categories matching anticancer:

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