Chapter 10
COMMON FREQUENTLY ASKED QUESTIONS FROM COLLEAGUES
Introduction
As the clinical use of cannabinoids expands, healthcare professionals are seeking clarity on how best to incorporate these therapies into practice. This chapter addresses frequently asked questions from medical colleagues, providing the evidence-based background necessary for confident, informed decision-making. For deeper insight, consult key resources such as The Health Effects of Cannabis and Cannabinoids by the National Academies of Sciences, Engineering, and Medicine (2017), and other peer-reviewed journals listed in the references.
Clinical Note: In clinical practice and integration of endocannabinoid medicine, be prepared and expect to defend and support your recommendations with evidence-based data. Use the references listed in this book and continue to review peer-reviewed journals as more studies come available related to your specialty.
Common Questions from Colleagues (26-50)
Practice answering these questions aloud as if studying for an exam. Read them (or have someone read them to you) and practice giving explanations to colleagues of different levels of knowledge of endocannabinoid medicine and with various opinions (pro and con) on medical cannabis as a viable therapeutic option.
26. What is the current evidence base for cannabinoid therapy?
Current data from meta-analyses and systematic reviews indicate efficacy in:
Chronic Pain: Neuropathic and inflammatory etiologies. Placebo-controlled trials often cite improvements in pain scores and reduced opioid intake.
Epilepsy: Particularly drug-resistant syndromes such as Dravet and Lennox- Gastaut, where high-CBD formulations (e.g., Epidiolex) have demonstrated reduced seizure frequency.
Multiple Sclerosis (MS): Oral spray formulations (nabiximols, containing balanced THC:CBD) alleviate spasticity and associated pain.
Chemotherapy-Induced Nausea & Vomiting: Synthetic THC (dronabinol) or THC:CBD combos reduce emesis via 5-HT3 modulation and CB1 receptor-mediated antiemetic effects.
Mental Health Conditions: Some PTSD and anxiety studies show symptom improvement, likely via 5-HT1A receptor modulation and altered amygdala reactivity.
Mechanistically, cannabinoids exert influence through G-protein coupled receptors (GPCRs)—primarily CB1 (central nervous system) and CB2 (immune and peripheral tissues)—modulating neurotransmitter release, inflammatory cascades, and ion channel function.
27. How can I integrate cannabinoids into my clinical practice?
Education: Pursue Continuing Medical Education (CME) focusing on cannabinoid pharmacodynamics, receptor biology, and therapeutic indications.
Patient Assessment: Identify suitable indications (chronic neuropathic pain, MS spasticity, refractory epilepsy) and screen for contraindications (e.g., severe psychosis, unstable CV disease).
Formulation Selection: Tailor CBD-dominant, balanced THC:CBD, or THC-dominant preparations to meet therapeutic needs (e.g., pain relief, anti- inflammatory effects, seizure control).
Dosing & Titration: Implement the “start low, go slow” paradigm; small increments over days to weeks allow assessment of efficacy vs. adverse effects.
Documentation: Specify rationale, product type, dose, schedule, and outcomes in patient records.
Collaboration: Coordinate with pharmacists, pain specialists, and mental health professionals to optimize multidisciplinary care.
28. What training or certification do I need to recommend cannabinoids?
Requirements vary by region and jurisdiction. Many states or countries have mandated educational programs covering:
Cannabinoid Pharmacology: Mechanisms of CB1, CB2 activation, downstream signaling (e.g., inhibition of adenylate cyclase, modulation of Ca2+/K+ channels).
Legal/Ethical Frameworks: Patient eligibility, documentation protocols, and informed consent.
Clinical Guidelines & Safety: Contraindications, potential drug interactions, and monitoring protocols.
Check with local medical boards and health departments for specifics on training, certification, or licensure requirements.
Legal and Regulatory Considerations
29. What are the legal implications of recommending cannabinoid therapies?
Federal vs. State Law: In the U.S., for instance, cannabis remains Schedule I federally, yet many states have medical cannabis statutes. This discrepancy can create compliance challenges.
Documentation & Eligibility: Providers must strictly follow state-specific guidelines (patient registries, medical cannabis cards) and maintain detailed records.
Professional Licensure: Failure to comply with laws may jeopardize licensure. Monitor legislative changes that could alter prescribing or recommendation rules.
30. How do I stay updated on evolving cannabinoid regulations and research?
Professional Associations: National groups like the AMA or local cannabis-focused societies.
Conferences & Seminars: Specialized workshops on cannabinoid science and policy.
Peer-Reviewed Journals: Keep up with JAMA, Lancet, New England Journal of Medicine, and specialized cannabis journals (e.g., Cannabis and Cannabinoid Research).
Networking: Collaborate with colleagues involved in clinical trials or policy development.
Clinical Implementation
31. How should I approach dosing and titration for cannabinoid therapies?
Start Low, Go Slow: Initial doses (e.g., 1–2.5 mg THC or CBD) can be escalated gradually.
Objective Monitoring: Use patient diaries, validated pain/anxiety scales, or biomarkers (when available).
Formulation Nuances: Oral oils or tinctures have slower onset but longer duration; inhaled routes provide rapid relief but shorter effect.
Patient Education: Stress adherence, discuss side effect profiles, and schedule regular follow-ups to refine dosage.
32. Which patient populations benefit most from cannabinoid therapy?
Chronic Pain: Particularly neuropathic etiologies unresponsive to conventional analgesics.
Drug-Resistant Epilepsy: CBD-based solutions can significantly reduce seizure frequency.
Multiple Sclerosis (MS): THC:CBD combinations reduce spasticity and pain.
Cancer Patients: Management of pain, chemotherapy-induced nausea, and cachexia.
Mental Health Disorders: Anxiety, PTSD, and some mood disorders, with caution and comprehensive evaluation.
HIV/AIDS: Neuropathic pain and appetite stimulation.
33. What are the contraindications for cannabinoid therapy?
Absolute Contraindications
Severe Psychosis or Schizophrenia: THC may exacerbate delusions or hallucinations.
Documented Cannabis Allergy: Rare but reported, involving hypersensitivity to plant proteins or excipients.
Relative Contraindications
Unstable Cardiovascular Disease (e.g., arrhythmias, severe coronary artery disease).
Pregnancy & Breastfeeding: Potential teratogenic or neurodevelopmental risks.
Hepatic Impairment: Cannabinoids (esp. CBD) are metabolized by CYP enzymes
and can stress the liver.
Substance Use Disorders: High-THC regimens pose a higher risk of dependence.
Drug Interactions and Safety
34. How do cannabinoids interact with other medications my patients are taking?
CBD strongly inhibits CYP3A4 and CYP2C19, potentially increasing plasma levels of warfarin, certain anticonvulsants (clobazam), and other narrow therapeutic index drugs.
THC may induce CYP1A2, lowering levels of theophylline and some antidepressants.
Sedative Synergy: Combining cannabinoids with opioids, benzodiazepines, or alcohol may amplify CNS depression.
Monitoring: Baseline and periodic blood levels (e.g., INR for warfarin), plus thorough medication reconciliation, are critical.
35. What are the best practices for monitoring patients on cannabinoid therapy?
Regular Follow-ups: Assess efficacy (pain, seizure frequency), side effects (drowsiness, mood changes), and adherence.
Validated Scales: Pain (VAS scale), anxiety/depression (GAD-7, PHQ-9), spasticity (MS scales).
Adverse Event Logs: Document any acute or chronic adverse effects (e.g., sedation, cognitive changes).
Laboratory Checks: Liver enzymes for high-dose CBD or in patients on interacting medications.
Patient Education: Encourage immediate reporting of serious or unexpected side effects.
Documentation and Record-Keeping
36. How should I document cannabinoid therapy in medical records?
Include:
Patient Evaluation: Clearly state indication, prior treatments, and risk assessment (contraindications, mental health status).
Treatment Plan: Product type (flower, oil, capsule), THC:CBD ratio, route, frequency, and dosage range.
Informed Consent: Summarize discussion of risks, benefits, and alternatives.
Progress Notes: Ongoing efficacy, dose modifications, side effects, patient-reported outcomes.
Regulatory Compliance: Any forms required by state or federal agencies, such as patient registry details.
37. How can I ensure compliance with state and federal regulations?
Understand Local Laws: Keep updated on eligibility criteria, permissible THC limits, documentation mandates.
Accurate Records: Maintain thorough charts for potential audits.
Stay Informed: Monitor bulletins from medical boards and health departments.
Audit Preparedness: Conduct periodic internal reviews to confirm compliance with documentation and prescription guidelines.
38. What documentation is required for recommending cannabinoid therapies?
Patient Evaluation: Clinical reasoning for cannabinoid use, comorbidities, prior therapy outcomes.
Recommendation Details: Exact dosing regimen (e.g., 5 mg CBD BID), route, product brand or type if relevant.
Informed Consent: Signed acknowledgment of potential side effects (psychotropic effects, sedation, risk of dependence).
Follow-Up Plan: Interval for re-evaluation, target outcomes (pain reduction, seizure frequency).
Regulatory Forms: Some states demand special forms or database entries for tracking.
39. Are there specific forms or EHR templates for cannabinoid recommendations?
Certain state health departments or EHR providers offer pre built templates:
Cannabis-Specific Modules: Auto-populate fields for THC:CBD ratio, routes of administration, and renewal intervals. You should verify these fit your state rules, regulations and patient population to reduce errors. Customizing your own templates may be more ideal.
Add-on Features: Some EHRs link to external pharmacy networks or state registries for streamlined compliance.
Customization: Practices may design their own structured note templates to meet state/federal guidelines.
40. How do I handle patient privacy and confidentiality with cannabinoid therapy?
HIPAA Compliance (U.S.) or equivalent: Limit chart access to authorized personnel.
Secure Storage: Electronic records must be encrypted; paper records locked.
Discrete Labeling: Consider minimal “cannabis” labeling if privacy is a concern, ensuring clarity for medical staff.
Equal Confidentiality: Treat cannabinoid therapy as you would any prescription, with standard privacy measures.
Ethical and Professional Considerations
41. What are the ethical considerations in recommending cannabinoid therapies?
Informed Consent: Provide balanced information on benefits, risks, and unknowns (esp. for novel or off-label use).
Non-Maleficence: Thoroughly assess psychiatric history (risk of psychosis with THC).
Beneficence: Use evidence-based approaches to optimize patient welfare.
Equity: Advocate for patients who face financial or social barriers to access.
Destigmatization: Encourage factual, empathic dialogue about cannabinoid use.
42. How do I address the stigma associated with cannabinoid use among patients and colleagues?
Education: Present peer-reviewed research and clinical guidelines.
Open Forums: Foster interdepartmental discussions to share case experiences.
Professional Conduct: Maintain a scientific, respectful stance.
Advocacy: Support fair policy-making, champion patient-centered outcomes.
43. What are the liability risks associated with recommending cannabinoid therapies?
Adverse Patient Outcomes: Over-sedation, psychotic symptoms, or harmful drug interactions.
Regulatory Non-Compliance: Failure to adhere to state laws or documentation standards.
Legal Ambiguities: Potential federal scrutiny in certain jurisdictions.
Minimize liability through up-to-date knowledge, detailed documentation, informed consent, and, if needed, legal consultation.
Advanced Clinical Questions
44. What forms and formulations of cannabinoids should I consider for different conditions?
Oils/Tinctures: Flexible dosing, sublingual onset (~15–45 min). Suitable for chronic symptom management.
Capsules: Slower onset (~30–90 min), longer duration, beneficial for consistent baseline coverage.
Inhalables (Vaporization/Smoking): Fast onset (minutes), useful for breakthrough pain or acute nausea, but shorter effect window.
Sublingual Sprays: Moderately quick onset, convenient for dose titration.
Topicals: Local absorption for joint or muscle pain, minimal systemic psychoactivity.
Approved Pharmaceuticals: Epidiolex (CBD) for epilepsy, Nabiximols (Sativex) for MS spasticity (where legal).
Some patients may need multiple formulations based on goals, multiple diagnoses, time of day, etc.
Use Dr. Newton’s 2-20-2 rule for estimating the onset of various medical cannabis routes of administration. Note: Greater variability in onset time, absorption and duration with topical and rectal routes.
45. How do I evaluate the quality and reliability of cannabinoid products?
Third-Party Lab Testing: Check for THC/CBD potency, heavy metals, pesticides, microbial contaminants.
Good Manufacturing Practices (GMP): Reputable manufacturers provide transparent Certificates of Analysis (COAs).
Regulatory Compliance: Adhere to local or national standards on labeling and purity.
Patient Feedback: Monitor tolerability and efficacy in real-world use to identify product consistency.
46. What are the best practices for educating patients about cannabinoid therapy?
Mechanism of Action: Outline the role of CB1/CB2 receptors, potential synergy with TRP channels and other molecular targets.
Benefit–Risk Discussion: Stress incremental improvement, the potential for sedation, or anxiety with high THC.
Demonstration: Show proper measurement of oil doses or sublingual spray usage.
Handouts & Resources: Provide reputable websites, printed FAQs, and local support group information.
47. How can I collaborate with other healthcare professionals in cannabi- noid therapy?
Interdisciplinary Rounds: Discuss complex cases with pain specialists, neurologists, psychiatrists, pharmacists.
Shared EHR Documentation: Ensure each professional updates patient records for unified care.
Referral Pathways: Know when to refer for specialized input (e.g., pediatric neurology, addiction medicine).
Joint CME Events: Encourage cross-disciplinary learning for integrated care approaches.
48. What are the current gaps in research on cannabinoid therapy?
Long-Term Safety: Limited data on chronic high-dose use (including potential for tolerance/dependence).
Dosing Guidelines: Lack of universal dosing or product standardization.
Comparative Efficacy: Few direct comparisons between cannabinoids and standard-of-care treatments.
Mechanistic Insights: Further elucidation of allosteric modulation, entourage effects (minor cannabinoids, terpenes).
Special Populations: Need more robust trials in geriatric, pediatric, and pregnant/lactating populations.
49. How do cannabinoids compare to traditional therapies for similar conditions?
Chronic Pain: Cannabinoids may reduce reliance on opioids, with some evidence of synergy (Bradford et al., JAMA Intern Med, 2018).
Epilepsy: CBD can be an adjunct in refractory seizures, not typically a monotherapy replacement.
MS Spasticity: Nabiximols have shown similar efficacy to certain muscle relaxants but may have fewer sedation issues if CBD content is balanced.
In many cases, cannabinoids serve as adjunct therapies rather than outright replacements for established first-line agents.
50. What future developments in cannabinoid medicine should I be aware of?
Novel Cannabinoids: Exploration of CBG (cannabigerol), CBC (cannabichromene), THCV (tetrahydrocannabivarin) for specific conditions (e.g., metabolic syndrome, inflammatory bowel disease).
Personalized Genomics: Emerging tests to predict patient response (e.g., CYP2C9/ CYP2C19 polymorphisms, FAAH variants).
Improved Formulations: Nanotechnology-based delivery for enhanced bioavailability, transdermal patches, or sustained-release oral products.
Regulatory Changes: Potential rescheduling or rescheduling at the federal level in some countries, facilitating broader research and clinical implementation.
Interdisciplinary Integration: More robust collaboration between neurology, psychiatry, pain management, and palliative care.
End of Questions #26–50
These additional questions expand on clinical integration, legal considerations, advanced research, and future directions in cannabinoid therapy—equipping healthcare professionals with a more comprehensive and technically detailed understanding.
Clinical Insight 1: Multidisciplinary Collaboration
Engaging pharmacists, pain specialists, neurologists, and mental health professionals optimizes the effectiveness and safety of cannabinoid therapies. Regular case conferences and shared documentation enhance patient outcomes.
Clinical Insight 2: Patient-Centered Approach
Tailored cannabinoid regimens—considering genetics, comorbidities, and lifestyle factors— boost therapeutic benefits and satisfaction. Regular follow-up and open communication are vital for sustained success.
Key Takeaway
With evolving evidence, refined regulations, and expanded clinical experience, cannabinoid therapies are poised to become a standard component of modern integrative medicine. By staying informed, collaborating across disciplines, and prioritizing patient-centered care, healthcare professionals can harness cannabinoids’ therapeutic potential responsibly and effectively.