Here’s some published reviews from the National Institute of Health on the issue of cannabis as medicine:
Cannabis kills tumor cells
• Cannabidiol inhibits human glioma cell migration through a cannabinoid receptor-independent mechanism - PMC
• The expression level of CB1 and CB2 receptors determines their efficacy at inducing apoptosis in astrocytomas - PubMed
• In vivo effects of cannabinoids on macromolecular biosynthesis in Lewis lung carcinomas - PubMed
• Cannabinoid receptor systems: therapeutic targets for tumour intervention - PubMed
• Predominant CB2 receptor expression in endothelial cells of glioblastoma in humans - PubMed
• Hypothesis: cannabinoid therapy for the treatment of gliomas? - PubMed
• Involvement of cannabinoids in cellular proliferation - PubMed
• Cannabinoids induce apoptosis of pancreatic tumor cells via endoplasmic reticulum stress-related genes - PubMed
• Cannabinoids and gliomas - PubMed
• Opposite changes in cannabinoid CB1 and CB2 receptor expression in human gliomas - PubMed
• The stress-regulated protein p8 mediates cannabinoid-induced apoptosis of tumor cells - PubMed
• The CB2 cannabinoid receptor signals apoptosis via ceramide-dependent activation of the mitochondrial intrinsic pathway - PubMed
• Anti-tumoral action of cannabinoids: involvement of sustained ceramide accumulation and extracellular signal-regulated kinase activation - PubMed
• Down-regulation of tissue inhibitor of metalloproteinases-1 in gliomas: a new marker of cannabinoid antitumoral activity? - PubMed
• Antitumor effects of cannabidiol, a nonpsychoactive cannabinoid, on human glioma cell lines - PubMed
• Endocannabinoids as emerging suppressors of angiogenesis and tumor invasion (review) - PubMed
• Cannabinoid receptors in human astroglial tumors - PubMed
• Cannabinoids induce cancer cell proliferation via tumor necrosis factor alpha-converting enzyme (TACE/ADAM17)-mediated transactivation of the epidermal growth factor receptor - PubMed
Uterine, testicular, and pancreatic cancers
• http://www.cancer.gov/cancertopics/pdq/cam/cannabis/healthprofessional/page4
• Cannabis-derived substances in cancer therapy--an emerging anti-inflammatory role for the cannabinoids - PubMed
Brain cancer
• Inhibition of glioma growth in vivo by selective activation of the CB(2) cannabinoid receptor - PubMed
Mouth and throat cancer
• Cannabinoids inhibit cellular respiration of human oral cancer cells - PubMed
Breast cancer
• JunD is involved in the antiproliferative effect of Delta9-tetrahydrocannabinol on human breast cancer cells - PubMed
• Antitumor activity of plant cannabinoids with emphasis on the effect of cannabidiol on human breast carcinoma - PubMed
• The endogenous cannabinoid anandamide inhibits human breast cancer cell proliferation - PubMed
Lung cancer
• Cannabinoids increase lung cancer cell lysis by lymphokine-activated killer cells via upregulation of ICAM-1 - PubMed
• Cannabidiol inhibits lung cancer cell invasion and metastasis via intercellular adhesion molecule-1 - PubMed
• Cannabinoid receptors, CB1 and CB2, as novel targets for inhibition of non-small cell lung cancer growth and metastasis - PubMed
Prostate cancer
• Anti-proliferative and apoptotic effects of anandamide in human prostatic cancer cell lines: implication of epidermal growth factor receptor down-regulation and ceramide production - PubMed
• The role of cannabinoids in prostate cancer: Basic science perspective and potential clinical applications - PMC
• Non-THC cannabinoids inhibit prostate carcinoma growth in vitro and in vivo: pro-apoptotic effects and underlying mechanisms - PubMed
• Cannabinoid receptor as a novel target for the treatment of prostate cancer - PubMed
• Delta9-tetrahydrocannabinol induces apoptosis in human prostate PC-3 cells via a receptor-independent mechanism - PubMed
• Inhibition of human tumour prostate PC-3 cell growth by cannabinoids R(+)-Methanandamide and JWH-015: involvement of CB2 - PubMed
Blood cancer
• Targeting CB2 cannabinoid receptors as a novel therapy to treat malignant lymphoblastic disease - PubMed
• Delta9-tetrahydrocannabinol-induced apoptosis in Jurkat leukemia T cells is regulated by translocation of Bad to mitochondria - PubMed
Skin cancer
• Inhibition of skin tumor growth and angiogenesis in vivo by activation of cannabinoid receptors - PubMed
• The endocannabinoid system of the skin in health and disease: novel perspectives and therapeutic opportunities - PubMed
Liver cancer
• Anti-tumoral action of cannabinoids on hepatocellular carcinoma: role of AMPK-dependent activation of autophagy - PubMed
Cannabis cancer cures (general)
• Inhibition of tumor angiogenesis by cannabinoids - PubMed
• Cannabinoids inhibit the vascular endothelial growth factor pathway in gliomas - PubMed
• Cannabidiol enhances the inhibitory effects of delta9-tetrahydrocannabinol on human glioblastoma cell proliferation and survival - PubMed
• Cannabinoids for cancer treatment: progress and promise - PubMed
• Cannabinoid receptor ligands as potential anticancer agents--high hopes for new therapies? - PubMed
• Cannabinoids and cell fate - PubMed
• Cannabinoids in the treatment of cancer - PubMed
• [The endocannabinoid system as a target for the development of new drugs for cancer therapy] - PubMed
• Cannabinoids and cancer - PubMed
• HU-331, a novel cannabinoid-based anticancer topoisomerase II inhibitor - PubMed
Cancers of the head and neck
• http://ww.ncbi.nlm.nih.gov/pmc/articles/PMC2277494
Cholangiocarcinoma cancer
• http://ww.ncbi.nlm.nih.gov/pubmed/19916793
• http://www.ncbi.nlm.nih.gov/pubmed/21115947
Leukemia
• http://www.ncbi.nlm.nih.gov/pubmed/15454482
• http://www.ncbi.nlm.nih.gov/pubmed/16139274
• http://www.ncbi.nlm.nih.gov/pubmed/14692532
Cannabis partially/fully induced cancer cell death
• http://www.ncbi.nlm.nih.gov/pubmed/12130702
• http://www.ncbi.nlm.nih.gov/pubmed/19457575
• http://www.ncbi.nlm.nih.gov/pubmed/18615640
• http://www.ncbi.nlm.nih.gov/pubmed/17931597
• http://www.ncbi.nlm.nih.gov/pubmed/18438336
• http://www.ncbi.nlm.nih.gov/pubmed/19916793
• http://www.ncbi.nlm.nih.gov/pubmed/18387516
• http://www.ncbi.nlm.nih.gov/pubmed/15453094
• http://www.ncbi.nlm.nih.gov/pubmed/19229996
• http://www.ncbi.nlm.nih.gov/pubmed/9771884
• http://www.ncbi.nlm.nih.gov/pubmed/18339876
• http://www.ncbi.nlm.nih.gov/pubmed/12133838
• http://www.ncbi.nlm.nih.gov/pubmed/16596790
• http://www.ncbi.nlm.nih.gov/pubmed/11269508
• http://www.ncbi.nlm.nih.gov/pubmed/15958274
• http://www.ncbi.nlm.nih.gov/pubmed/19425170
• http://www.ncbi.nlm.nih.gov/pubmed/17202146
• http://www.ncbi.nlm.nih.gov/pubmed/11903061
• http://www.ncbi.nlm.nih.gov/pubmed/15451022
• http://www.ncbi.nlm.nih.gov/pubmed/20336665
• http://www.ncbi.nlm.nih.gov/pubmed/19394652
• http://www.ncbi.nlm.nih.gov/pubmed/11106791
• http://www.ncbi.nlm.nih.gov/pubmed/19189659
• http://www.ncbi.nlm.nih.gov/pubmed/16500647
• http://www.ncbi.nlm.nih.gov/pubmed/19539619
• http://www.ncbi.nlm.nih.gov/pubmed/19059457
• http://www.ncbi.nlm.nih.gov/pubmed/16909207
• http://www.ncbi.nlm.nih.gov/pubmed/18088200
• http://www.ncbi.nlm.nih.gov/pubmed/10913156
• http://www.ncbi.nlm.nih.gov/pubmed/18354058
• http://www.ncbi.nlm.nih.gov/pubmed/19189054
• http://www.ncbi.nlm.nih.gov/pubmed/17934890
• http://www.ncbi.nlm.nih.gov/pubmed/16571653
• http://www.ncbi.nlm.nih.gov/pubmed/19889794
• http://www.ncbi.nlm.nih.gov/pubmed/15361550
Translocation-positive rhabdomyosarcoma
• http://www.ncbi.nlm.nih.gov/pubmed/19509271
Lymphoma
• http://www.ncbi.nlm.nih.gov/pubmed/18546271
• http://www.ncbi.nlm.nih.gov/pubmed/16936228
• http://www.ncbi.nlm.nih.gov/pubmed/16337199
• http://www.ncbi.nlm.nih.gov/pubmed/19609004
Cannabis kills cancer cells
• http://www.ncbi.nlm.nih.gov/pubmed/16818634
• http://www.ncbi.nlm.nih.gov/pubmed/12648025
• Cannabinoids and gliomas - PubMed
• http://www.ncbi.nlm.nih.gov/pubmed/16835997
Melanoma
• http://www.ncbi.nlm.nih.gov/pubmed/17065222
Thyroid carcinoma
• http://www.ncbi.nlm.nih.gov/pubmed/18197164
Colon cancer
• http://www.ncbi.nlm.nih.gov/pubmed/18938775
• http://www.ncbi.nlm.nih.gov/pubmed/19047095
Intestinal inflammation and cancer
• http://www.ncbi.nlm.nih.gov/pubmed/19442536
Cannabinoids in health and disease
• http://www.ncbi.nlm.nih.gov/pubmed/18286801
Cannabis inhibits cancer cell invasion
• http://www.ncbi.nlm.nih.gov/pubmed/19914218