# Join Arizona’s Observational Study on Medical Cannabis Use > **Author:** Benjamin Caplan, MD (ABFM Board Certified, MA Lic. #240562, NPI: 1962722637) > **Publisher:** CED Clinic (https://cedclinic.com) > **Canonical URL:** https://cedclinic.com/observational-medical-cannabis-study-arizona/ > **Published:** 2026-02-25T18:03:04-04:00 | **Last Modified / Clinically Audited:** 2026-09-28T12:01:49-04:00 > **Clinical Summary:** Arizona adults can join an observational medical cannabis study to help improve clinical recommendations with real-world evidence. --- ✦ New CED Clinical Relevance #76 Strong Clinical Relevance High-quality evidence with meaningful patient or clinical significance. ResearchPolicyDosingSafetyPain Why This Matters Arizona adults who are about to start using cannabis for a medical condition have a time-sensitive opportunity to contribute to national research that could directly shape how physicians recommend and dose cannabis for patients like them. Clinical Summary Observational research on [medical cannabis](https://cedclinic.com/therapeutic-benefits-of-thc/) is essential for building the real-world evidence base that controlled trials alone cannot provide, particularly given the diversity of conditions, products, and consumption patterns patients bring to clinical settings. Recruiting participants at the point of initiation allows researchers to capture baseline data and track outcomes longitudinally, which strengthens the quality of findings compared to studies that enroll patients already well into their [cannabis use](https://cedclinic.com/cannabis-cardiovascular-health-insights-2024/). Arizona’s participation in a national study expands geographic and demographic representation, which helps address longstanding concerns about whether [cannabis research](https://cedclinic.com/pediatric-cannabis-certification-care-children/) reflects the broader patient population. Dr. Caplan’s Take “Enrolling patients at the moment of initiation is the methodologically rigorous move the field has needed, and every cohort that joins a national study moves [cannabis medicine](https://cedclinic.com/essential-oils-industrial-hemp-antimicrobial-benefits/) closer to the evidentiary standards it deserves.” Clinical Perspective Observational studies tracking real-world [cannabis use](https://cedclinic.com/cannabis-cardiovascular-health-insights-2024/) outcomes are valuable for understanding treatment patterns and patient experiences outside controlled trial settings. Research recruiting patients at treatment initiation helps establish baseline characteristics and allows longitudinal follow-up of symptom changes and adverse effects. These pragmatic studies fill important gaps in our knowledge about which patient populations and cannabinoid profiles work best for specific medical conditions. ️ Participation in rigorous observational research contributes to the evidence base needed for more informed clinical decision-making in [cannabis medicine](https://cedclinic.com/essential-oils-industrial-hemp-antimicrobial-benefits/). 💬 Join the Conversation Have a question about how this applies to your situation? [Ask Dr. Caplan →](https://benjamincaplan.com/ask-dr-caplan) Want to discuss this topic with other patients and caregivers? [Join the forum discussion →](https://cedclinic.com/interact/discussion-forums/) Have thoughts on this? 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Personal care that starts with listening and is guided by experience and ingenuity. Health, Longevity, Wellness One-on-One Cannabis Guidance Metabolic Balance [Leave a Message](https://cedclinic.com/contact/) [Metabolic Care](https://cedclinic.com/metabolic/metabolic-how-it-works/) [Medical Consulting](https://cedclinic.com/book/) [Cannabis Care](https://cedclinic.com/book/) [https://cedclinic.com/contact/](https://cedclinic.com/contact/) RELATED READING AT CED CLINIC Continue exploring the evidence [2026 Oklahoma Statewide Medical Marijuana Citizen Science Research Study Launches](https://cedclinic.com/2026-oklahoma-medical-marijuana-patient-research-study/) Explore a new citizen science research study on [medical marijuana](https://cedclinic.com/cannabis-cardiovascular-risk-impact/) launching in Oklahoma in 2026, expanding evidence on cannabis use. [Learn More](https://cedclinic.com/2026-oklahoma-medical-marijuana-patient-research-study/) [Cannabinoids in Pediatric Medicine: Evidence-Based Care and Emerging Research](https://cedclinic.com/cannabinoids-pediatric-clinical-evidence-review/) Discover the latest evidence and research on cannabinoids in pediatric medicine, highlighting clinical care and emerging studies. [Read Article](https://cedclinic.com/cannabinoids-pediatric-clinical-evidence-review/) [Clinical Implications of Real-World Evidence from the CARE Study [Response to Letter]](https://cedclinic.com/clinical-implications-real-world-evidence-cannabis-care/) Understand the clinical implications of real-world evidence from the CARE study, advancing knowledge in cannabis medicine. [Explore Insights](https://cedclinic.com/clinical-implications-real-world-evidence-cannabis-care/) ### Related --- ### Verification & Medical Governance - **Lead Clinical Author:** Benjamin Caplan, MD - **Credentials:** Board Certified in Family Medicine (ABFM), Founder & CMO CED Clinic & CED Foundation, Author of *The Doctor-Approved Cannabis Handbook* (Penguin Random House). - **Clinical Scale:** 350,000+ lifetime evaluations overseen; 81,008-patient Real-World Evidence Registry (`~/.ced_rwe_vault.db`); 125,000+ peer-reviewed study literature observatory (`http://localhost:8768/api/explorer/terminal`). - **License Verification:** Commonwealth of Massachusetts License #240562 (https://checkahealthlicense.mass.gov/). - **NPI Registry:** 1962722637 (https://npiregistry.cms.hhs.gov/provider-view/1962722637). - **Ethics & Data Privacy:** Clinical registry observations adhere strictly to HIPAA Safe Harbor de-identification (45 CFR § 164.514(b)) and criteria for secondary research exemption under 45 CFR § 46.104(d)(4).