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MINNEAPOLIS -- Medical professionals within the US Department of Veterans Affairs (VA) can’t prescribe cannabis or certify patients to be able to get it. VA pharmacists can’t dispense it. Still, “we’re asked about it plenty,” a hospice and palliative care specialist told colleagues, at the annual meeting of the Association of VA Hematology/Oncology (AVAHO).
That brings up a big question, said Michael Stellini, MD, MS, FACP, FAAHPM, of Wayne State University, Karmanos Cancer Center, and the John D. Dingell VA Medical Center, in Detroit Michigan: “Should sick people be smoking pot?”
Even the question itself isn’t a simple one to answer since smoking isn’t the only way to consume cannabis for medical purposes. And figuring out the best advice is difficult. As Dr. Stellini said, there’s plenty of uncertainty about crucial cannabis topics like safety and benefits.
Dr. Stellini offered a number of facts and tips about cannabis in medicine.
Understand ‘qualifying conditions’ in your state
In states with legal medical marijuana, he said, physicians do not prescribe marijuana. However, they may certify that patients are eligible to get the drug for medical purposes if they meet certain qualifications.
A typical list of qualifying conditions includes diseases such as cancer, glaucoma, HIV/AIDS and Crohn’s disease. Qualifying conditions also tend to include treatments for severe diseases that produce wasting syndrome, severe and chronic pain, severe nausea, seizures and severe and persistent muscle spasm.
In Michigan, where Dr. Stellini practices, a panel in 2018 approved a long list of added qualifying conditions such as chronic pain, obsessive compulsive disorder and arthritis. But the panel rejected other conditions such as anxiety, asthma, panic attacks and schizophrenia.
Vaporizers are an alternative to joints, but...
Vaporizers are commonly used as an alternative to smoking marijuana joints, Dr. Stellini said, and they don’t significantly release tars or much if any carbon monoxide. While research is limited, he said, use of vaporizers hasn’t been linked to more lung cancer or chronic obstructive pulmonary disease.
“Vaping” is another option, but it’s been linked to dozens of deaths and hundreds of cases of illness in recent weeks. Many patients have reported using products that contain THC, a component of marijuana.
Other delivery methods exist
Marijuana can be ingested in liquid and solid food. “But edibles can have a slow onset of action compared to vaporizing or smoking,” Dr. Stellini said. “You might over-indulge. When users get to their steady state, they might have some adverse effects [AEs].”
Marijuana still has risks
Cannabis use has a long list of well-known AEs linked to the THC component. The most common are drowsiness, fatigue, dizziness, dry mouth, anxiety, cognitive effects, cough, and nausea, Dr. Stellini said. More serious AEs such as psychosis have been reported.
And, of course, users of cannabis with THC get high if they use enough.
A 2017 National Academies of Sciences, Engineering and Medicine report linked cannabis use to a higher risk of motor vehicle accidents. Still, Dr. Stellini said, “it’s relatively safe with respect to mortality, especially compared to opioids.”1
Risk of use in cancer may be low
Research suggest that patients with cancer use cannabis as much as other people and perhaps even more, Dr. Stellini said. But are they facing any extra risks? In general, he said, it doesn’t appear that way.
Cannabis seems to be safe when used with chemotherapy, he said, and drug-drug interactions in cancer appear to be rare. Some studies have suggested that cannabinoids—a component of marijuana—may be an effective treatment for chemotherapy-induced peripheral neuropathy.
However, he said, 1 study has raised a red flag about a possible interaction with cancer immunotherapy. Researchers found evidence that patients who used cannabis had lower tumor response rates to nivolomab for advanced melanoma, non-small cell lung cancer, and renal clear cell carcinoma. However, survival wasn’t affected.2
Meanwhile, he said, there’s no strong evidence that cannabis is a useful treatment for cancer, he said, although it’s worth investigating.
Cannabidiol is the hot new product
Cannabidiol, also known as CBD, has become hugely popular, Dr. Stellini said. It is derived from hemp and doesn’t cause a “buzz” like cannabis.
Due to lack of regulation, he said, buyers should beware. And, he said, CBD has multiple EAs. Standard doses can cause drowsiness, fatigue, dizziness, dry mouth, hypotension and lightheadedness.
Dr. Stellini reports no relevant disclosures.
1. National Academies of Sciences, Engineering, and Medicine. The Health Effects of Cannabis and Cannabinoids: The Current State of Evidence and Recommendations for Research. Washington, DC: The National Academies Press; 2017.
2. Taha T, Meiri D, Talhamy S, Wollner M, Peer A, Bar-Sela G. Cannabis impacts tumor response rate to nivolumab in patients with advanced malignancies. Oncologist. 2019;24(4):549-554.
MINNEAPOLIS -- Medical professionals within the US Department of Veterans Affairs (VA) can’t prescribe cannabis or certify patients to be able to get it. VA pharmacists can’t dispense it. Still, “we’re asked about it plenty,” a hospice and palliative care specialist told colleagues, at the annual meeting of the Association of VA Hematology/Oncology (AVAHO).
That brings up a big question, said Michael Stellini, MD, MS, FACP, FAAHPM, of Wayne State University, Karmanos Cancer Center, and the John D. Dingell VA Medical Center, in Detroit Michigan: “Should sick people be smoking pot?”
Even the question itself isn’t a simple one to answer since smoking isn’t the only way to consume cannabis for medical purposes. And figuring out the best advice is difficult. As Dr. Stellini said, there’s plenty of uncertainty about crucial cannabis topics like safety and benefits.
Dr. Stellini offered a number of facts and tips about cannabis in medicine.
Understand ‘qualifying conditions’ in your state
In states with legal medical marijuana, he said, physicians do not prescribe marijuana. However, they may certify that patients are eligible to get the drug for medical purposes if they meet certain qualifications.
A typical list of qualifying conditions includes diseases such as cancer, glaucoma, HIV/AIDS and Crohn’s disease. Qualifying conditions also tend to include treatments for severe diseases that produce wasting syndrome, severe and chronic pain, severe nausea, seizures and severe and persistent muscle spasm.
In Michigan, where Dr. Stellini practices, a panel in 2018 approved a long list of added qualifying conditions such as chronic pain, obsessive compulsive disorder and arthritis. But the panel rejected other conditions such as anxiety, asthma, panic attacks and schizophrenia.
Vaporizers are an alternative to joints, but...
Vaporizers are commonly used as an alternative to smoking marijuana joints, Dr. Stellini said, and they don’t significantly release tars or much if any carbon monoxide. While research is limited, he said, use of vaporizers hasn’t been linked to more lung cancer or chronic obstructive pulmonary disease.
“Vaping” is another option, but it’s been linked to dozens of deaths and hundreds of cases of illness in recent weeks. Many patients have reported using products that contain THC, a component of marijuana.
Other delivery methods exist
Marijuana can be ingested in liquid and solid food. “But edibles can have a slow onset of action compared to vaporizing or smoking,” Dr. Stellini said. “You might over-indulge. When users get to their steady state, they might have some adverse effects [AEs].”
Marijuana still has risks
Cannabis use has a long list of well-known AEs linked to the THC component. The most common are drowsiness, fatigue, dizziness, dry mouth, anxiety, cognitive effects, cough, and nausea, Dr. Stellini said. More serious AEs such as psychosis have been reported.
And, of course, users of cannabis with THC get high if they use enough.
A 2017 National Academies of Sciences, Engineering and Medicine report linked cannabis use to a higher risk of motor vehicle accidents. Still, Dr. Stellini said, “it’s relatively safe with respect to mortality, especially compared to opioids.”1
Risk of use in cancer may be low
Research suggest that patients with cancer use cannabis as much as other people and perhaps even more, Dr. Stellini said. But are they facing any extra risks? In general, he said, it doesn’t appear that way.
Cannabis seems to be safe when used with chemotherapy, he said, and drug-drug interactions in cancer appear to be rare. Some studies have suggested that cannabinoids—a component of marijuana—may be an effective treatment for chemotherapy-induced peripheral neuropathy.
However, he said, 1 study has raised a red flag about a possible interaction with cancer immunotherapy. Researchers found evidence that patients who used cannabis had lower tumor response rates to nivolomab for advanced melanoma, non-small cell lung cancer, and renal clear cell carcinoma. However, survival wasn’t affected.2
Meanwhile, he said, there’s no strong evidence that cannabis is a useful treatment for cancer, he said, although it’s worth investigating.
Cannabidiol is the hot new product
Cannabidiol, also known as CBD, has become hugely popular, Dr. Stellini said. It is derived from hemp and doesn’t cause a “buzz” like cannabis.
Due to lack of regulation, he said, buyers should beware. And, he said, CBD has multiple EAs. Standard doses can cause drowsiness, fatigue, dizziness, dry mouth, hypotension and lightheadedness.
Dr. Stellini reports no relevant disclosures.
MINNEAPOLIS -- Medical professionals within the US Department of Veterans Affairs (VA) can’t prescribe cannabis or certify patients to be able to get it. VA pharmacists can’t dispense it. Still, “we’re asked about it plenty,” a hospice and palliative care specialist told colleagues, at the annual meeting of the Association of VA Hematology/Oncology (AVAHO).
That brings up a big question, said Michael Stellini, MD, MS, FACP, FAAHPM, of Wayne State University, Karmanos Cancer Center, and the John D. Dingell VA Medical Center, in Detroit Michigan: “Should sick people be smoking pot?”
Even the question itself isn’t a simple one to answer since smoking isn’t the only way to consume cannabis for medical purposes. And figuring out the best advice is difficult. As Dr. Stellini said, there’s plenty of uncertainty about crucial cannabis topics like safety and benefits.
Dr. Stellini offered a number of facts and tips about cannabis in medicine.
Understand ‘qualifying conditions’ in your state
In states with legal medical marijuana, he said, physicians do not prescribe marijuana. However, they may certify that patients are eligible to get the drug for medical purposes if they meet certain qualifications.
A typical list of qualifying conditions includes diseases such as cancer, glaucoma, HIV/AIDS and Crohn’s disease. Qualifying conditions also tend to include treatments for severe diseases that produce wasting syndrome, severe and chronic pain, severe nausea, seizures and severe and persistent muscle spasm.
In Michigan, where Dr. Stellini practices, a panel in 2018 approved a long list of added qualifying conditions such as chronic pain, obsessive compulsive disorder and arthritis. But the panel rejected other conditions such as anxiety, asthma, panic attacks and schizophrenia.
Vaporizers are an alternative to joints, but...
Vaporizers are commonly used as an alternative to smoking marijuana joints, Dr. Stellini said, and they don’t significantly release tars or much if any carbon monoxide. While research is limited, he said, use of vaporizers hasn’t been linked to more lung cancer or chronic obstructive pulmonary disease.
“Vaping” is another option, but it’s been linked to dozens of deaths and hundreds of cases of illness in recent weeks. Many patients have reported using products that contain THC, a component of marijuana.
Other delivery methods exist
Marijuana can be ingested in liquid and solid food. “But edibles can have a slow onset of action compared to vaporizing or smoking,” Dr. Stellini said. “You might over-indulge. When users get to their steady state, they might have some adverse effects [AEs].”
Marijuana still has risks
Cannabis use has a long list of well-known AEs linked to the THC component. The most common are drowsiness, fatigue, dizziness, dry mouth, anxiety, cognitive effects, cough, and nausea, Dr. Stellini said. More serious AEs such as psychosis have been reported.
And, of course, users of cannabis with THC get high if they use enough.
A 2017 National Academies of Sciences, Engineering and Medicine report linked cannabis use to a higher risk of motor vehicle accidents. Still, Dr. Stellini said, “it’s relatively safe with respect to mortality, especially compared to opioids.”1
Risk of use in cancer may be low
Research suggest that patients with cancer use cannabis as much as other people and perhaps even more, Dr. Stellini said. But are they facing any extra risks? In general, he said, it doesn’t appear that way.
Cannabis seems to be safe when used with chemotherapy, he said, and drug-drug interactions in cancer appear to be rare. Some studies have suggested that cannabinoids—a component of marijuana—may be an effective treatment for chemotherapy-induced peripheral neuropathy.
However, he said, 1 study has raised a red flag about a possible interaction with cancer immunotherapy. Researchers found evidence that patients who used cannabis had lower tumor response rates to nivolomab for advanced melanoma, non-small cell lung cancer, and renal clear cell carcinoma. However, survival wasn’t affected.2
Meanwhile, he said, there’s no strong evidence that cannabis is a useful treatment for cancer, he said, although it’s worth investigating.
Cannabidiol is the hot new product
Cannabidiol, also known as CBD, has become hugely popular, Dr. Stellini said. It is derived from hemp and doesn’t cause a “buzz” like cannabis.
Due to lack of regulation, he said, buyers should beware. And, he said, CBD has multiple EAs. Standard doses can cause drowsiness, fatigue, dizziness, dry mouth, hypotension and lightheadedness.
Dr. Stellini reports no relevant disclosures.
1. National Academies of Sciences, Engineering, and Medicine. The Health Effects of Cannabis and Cannabinoids: The Current State of Evidence and Recommendations for Research. Washington, DC: The National Academies Press; 2017.
2. Taha T, Meiri D, Talhamy S, Wollner M, Peer A, Bar-Sela G. Cannabis impacts tumor response rate to nivolumab in patients with advanced malignancies. Oncologist. 2019;24(4):549-554.
1. National Academies of Sciences, Engineering, and Medicine. The Health Effects of Cannabis and Cannabinoids: The Current State of Evidence and Recommendations for Research. Washington, DC: The National Academies Press; 2017.
2. Taha T, Meiri D, Talhamy S, Wollner M, Peer A, Bar-Sela G. Cannabis impacts tumor response rate to nivolumab in patients with advanced malignancies. Oncologist. 2019;24(4):549-554.