- I 131 monoclonal antibody CC49
- IAP inhibitor HGS1029
- ibandronate
- ibandronate sodium
- IBMFS
- ibritumomab tiuxetan
- IBS
- ibuprofen
- IC-GREEN
- ICCC classification
- ICD
- iCD40 receptor-expressing autologous dendritic cell vaccine BP-GMAX-CD1
- ICE
- ICE regimen
- ICI 182780
- ICI D1694
- Idamycin
- idarubicin
- IDEC-Y2B8
- idiopathic
- idiopathic myelofibrosis
- idiopathic pneumonia syndrome
- idiopathic pulmonary fibrosis
- idiopathic thrombocytopenic purpura
- idiotype-pulsed autologous dendritic cell vaccine APC8020
- idoxifene
- idoxuridine
- IFA
- Ifex
- IFN alpha-2B
- iFOBT
- ifosfamide
- Ifosfamidum
- Ig
- IGF
- IGF-1R / IR inhibitor KW-2450
- IGF-1R antagonist BMS-754807
- IGF-1R inhibitor OSI-906
- IGFR
- IgG-RFT5-dgA
- IGRT
- IH636 grape seed extract
- IH636 grape seed proanthocyanidin extract
- IL
- IL-1
- IL-1-alfa
- IL-1-alpha
- IL-1-beta
- IL-10
- IL-11