CannSleep

Overview

About this study

The purpose of this study is to preliminarily evaluate what effect oral THC and/or THC/CBD has on quality of sleep vs. placebo by patient-reported outcomes total score.

Participation eligibility

Participant eligibility includes age, gender, type and stage of disease, and previous treatments or health concerns. Guidelines differ from study to study, and identify who can or cannot participate. There is no guarantee that every individual who qualifies and wants to participate in a trial will be enrolled. Contact the study team to discuss study eligibility and potential participation.

Inclusion Criteria:

  • Age ≥ 25 years

  • History of solid organ (not hematologic) cancer diagnosis (except patients with CNS cancer who have history of seizures or untreated brain metastasis). Patients may be either in remission or have active disease.  Patients must be considered medically fit by their treating physician to participate in the study.

  • ECOG Performance Status (PS) 0, 1 or 2 (Appendix I).

  • History of insomnia for which the patient would like an intervention

  • Insomnia Severity Index Score ≥ 15 (Appendix II). Patients can answer questions orally rather than completing worksheet, for screening only.

  • Willing to abstain from alcohol, anticholinergics, and benzodiazepines while on study

  • If on opioids, must be a stable dose ≥ 30 days prior to randomization (no changes to prescriptions, this can include PRN dosing) with no plans to increase during the study period

  • The following laboratory values obtained ≤ 30 days prior to randomization:

·         White blood cell count (WBC) ≥ 3,000/mm3

·         Hemoglobin ≥ 8 g/dL

·         Platelet count ≥ 50,000/mm3

·         Alanine aminotransferase (ALT) or aspartate transaminase (AST) ≤ 3 x ULN

·         GFR > 20

·         Total bilirubin ≤ 1.5 x ULN

  • Negative pregnancy test done ≤ 7 days prior to registration, for persons of childbearing potential only

  • Provide informed consent

  • Ability to complete questionnaires and diary by themselves or with assistance.

  • Willingness to wear a home EEG monitor and have a blue-tooth device for recording (Smart phone, iPad).

  • Normal urine toxicology screen ≤ 7 days prior to randomization (abstinence from cannabinoids and other common drugs of abuse: cocaine, benzodiazepines, and methamphetamines)

Exclusion Criteria:

  • Any of the following because this study involves an investigational agent whose genotoxic, mutagenic, and teratogenic effects on the developing fetus and newborn are unknown:

·         Pregnant persons

·         Nursing persons

·         Persons of childbearing potential or are able to father a child who are unwilling to employ adequate contraception (e.g., hormonal methods, barrier methods, intrauterine device, abstinence) during the study and for 14 days after their last dose.

  • Currently using any other pharmacologic agents, over the counter medications or supplements to specifically treat insomnia for ≤ 7 days prior to randomization

  • Known primary sleep disorder (RLS, uncontrolled apnea, narcolepsy)

  • Cannabis use ≤ 30 days prior to randomization

  • Active cardiac disease (symptomatic CHF, arrhythmias, untreated CAD)

  • On warfarin, topiramate, clobazam, or other high-risk CYP3A4 substrates (amiodarone, macrolides, verapamil, fluoxetine, clotrimazole, ketoconazole) per pharmacy review

  • History of Human Papilloma Virus positive (HPV+) head and neck cancer

  • Any concomitant medications that, in the judgment of the treating physician or pharmacist, could result in an adverse drug effect (increase in substrate level); pharmacy e-consult will be conducted for each patient to determine CYP interactions.

  • Patients with a history of psychotic disorders (including but not limited to schizophrenia, major depression with psychotic features, brief psychotic disorder).  Patients with depression, manic/depression, or OCD will need clearance from their mental health provider that these medical conditions are controlled and that the patient is appropriate for the study.

  • Any known hypersensitivity to cannabis

  • atients with CNS cancer or brain metastasis who have had or have seizures

  • History of, or current substance use disorder

  • Patients with ECG test with QTc ≥ 450 msec for men and ≥ 470 msec for women

  • Current or past suicidal ideation or suicidal behavior within the last year, as assessed with the Columbia-Suicide Severity Rating Scale (C-SSRS) (Appendix X)

  • Patients with history off falls in the past 6 months, or considered at risk for falling

Note: Other protocol defined Inclusion/Exclusion Criteria may apply.

Eligibility last updated 2/10/2026. Questions regarding updates should be directed to the study team contact.

Participating Mayo Clinic locations

Study statuses change often. Please contact the study team for the most up-to-date information regarding possible participation.

Mayo Clinic Location Status Contact

Rochester, Minn.

Mayo Clinic principal investigator

Stacy D'Andre, M.D.

Contact us for the latest status

Contact information:

Cancer Center Clinical Trials Referral Office

(855) 776-0015

More information

Publications

Publications are currently not available