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Cannabidiol (CBD) for Treatment of Aromatase Inhibitor-Associated Arthralgias

Phase 2 Trial of Cannabidiol (CBD) for Treatment of Aromatase Inhibitor-Associated Arthralgias

Status
Completed
Phases
Phase 2
Study type
Interventional
Source
ClinicalTrials.gov
Registry ID
NCT04754399
Enrollment
40
Registered
2021-02-15
Start date
2021-04-16
Completion date
2023-10-10
Last updated
2025-05-09

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

Arthralgia, Breast Cancer

Keywords

Cannabidiol

Brief summary

Study of Cannabidol to examine the safety and efficacy of 15 weeks of CBD in postmenopausal women with aromatase inhibitor-associated musculoskeletal symptoms (AIMSS). Investigators are looking to see if patients with joint pain see improvement with the use of CBD.

Interventions

week 1: 25 mg twice daily, approximately 12 hours apart, with food week 2: 50 mg twice daily, approximately 12 hours apart, with food week 3: 75 mg twice daily, approximately 12 hours apart, with food week 4+: 100 mg twice daily, approximately 12 hours apart, with food

Sponsors

American Society of Clinical Oncology
CollaboratorOTHER
University of Michigan Rogel Cancer Center
Lead SponsorOTHER

Study design

Allocation
NA
Intervention model
SINGLE_GROUP
Primary purpose
SUPPORTIVE_CARE
Masking
NONE

Eligibility

Sex/Gender
FEMALE
Age
18 Years to No maximum
Healthy volunteers
No

Inclusion criteria

* Postmenopausal according to standard clinical criteria OR receiving concomitant LHRH agonist therapy. * Taking aromatase inhibitor therapy (anastrozole, exemestane, or letrozole) for adjuvant treatment of breast cancer or for chemoprevention for at least 3 weeks and no more than 2 years at the time of enrollment. * Planning to take the same AI therapy for at least 15 weeks. * New or worsening joint pain and/or myalgias since starting the AI therapy. * Completion of surgery (mastectomy or lumpectomy/partial mastectomy) for treatment of breast cancer at least 3 months prior to enrollment. * The complete list of inclusion criteria is provided in the protocol.

Exclusion criteria

* Metastatic breast cancer. * Planned surgery during the 15-week study period. * Clinically significant laboratory abnormalities. * Use of cannabidiol, THC, or marijuana (oral, inhaled, or topical) within the 6 weeks prior to enrollment. * History of or currently has suicidal ideation or attempted suicide. * History of seizure other than febrile seizures in childhood. * The complete list of

Design outcomes

Primary

MeasureTime frameDescription
Absolute Change in Brief Pain Inventory (BPI) Worst Pain From Baseline to Week 15Baseline, week 15The BPI is a patient self-rating scale that assesses joint pain and stiffness on a scale of 0 (no pain) to 10 (pain as bad as you can imagine). For the purpose of this measure, absolute change for only one BPI item will be assessed, joint pain and stiffness at its worst in the last week.

Secondary

MeasureTime frameDescription
Number of Patients With at Least a 2-point Reduction in BPI Worst Pain From Baseline to Week 15Baseline, week 15The BPI is a patient self-rating scale that assesses joint pain and stiffness on a scale of 0 (no pain) to 10 (pain as bad as you can imagine). For the purpose of this measure, change from baseline to week 15 for only one BPI item, joint pain and stiffness at its worst in the last week, will be assessed.
Number of Patients With at Least a 2-point Reduction in BPI Average Pain From Baseline to Week 15Baseline, week 15The BPI is a patient self-rating scale that assesses joint pain and stiffness on a scale of 0 (no pain) to 10 (pain as bad as you can imagine). For the purpose of this measure, change from baseline to week 15 for only one BPI item, joint pain and stiffness on the average, will be assessed.
Change in Symptoms From Baseline, as Measured by the PROMIS-29+2 Profile v2.1Baseline, week 15The Patient-Reported Outcomes Measurement Information System (PROMIS)-29+2 Profile v2.1 (PROPr) is a validated questionnaire to assess patient-reported symptoms over the past 7 days in 7 PROMIS domains on a scale of 1 (worst) to 5 (best). Raw scores for each domain are calculated and then converted to a T-score, with a mean of 50 and a standard deviation of 10. Higher T-scores represent more of the concept being measured: for fatigue, sleep disturbance, depression, and anxiety, higher scores represent worse symptoms; for physical functioning, ability to participate in social roles and activities, and cognitive function-abilities, higher scores mean better function.
Number of Treatment Related Adverse EventsEnd of study (15 weeks)Treatment related adverse events include those that are determined to be possibly, probably or definitely related to the study drug. Number of events will be reported by dose level and grade, per Common Terminology Criteria for Adverse Events (CTCAE) v.5.
Number of Participants With Undetectable Levels of EstradiolBaseline and week 15The number of participants with undetectable levels of estradiol circulating in blood plasma will be reported at baseline and 15 weeks.

Countries

United States

Participant flow

Pre-assignment details

1 subject was enrolled but deemed ineligible before starting treatment

Participants by arm

ArmCount
Cannabidiol (CBD)
Oral solution given 2x daily. Cannabidiol (CBD): week 1: 25 mg twice daily, approximately 12 hours apart, with food week 2: 50 mg twice daily, approximately 12 hours apart, with food week 3: 75 mg twice daily, approximately 12 hours apart, with food week 4+: 100 mg twice daily, approximately 12 hours apart, with food
39
Total39

Withdrawals & dropouts

PeriodReasonFG000
Overall StudyAdverse Event5
Overall StudyWithdrawal by Subject6

Baseline characteristics

CharacteristicCannabidiol (CBD)
Age, Categorical
<=18 years
0 Participants
Age, Categorical
>=65 years
13 Participants
Age, Categorical
Between 18 and 65 years
26 Participants
Ethnicity (NIH/OMB)
Hispanic or Latino
1 Participants
Ethnicity (NIH/OMB)
Not Hispanic or Latino
37 Participants
Ethnicity (NIH/OMB)
Unknown or Not Reported
1 Participants
Race (NIH/OMB)
American Indian or Alaska Native
0 Participants
Race (NIH/OMB)
Asian
1 Participants
Race (NIH/OMB)
Black or African American
2 Participants
Race (NIH/OMB)
More than one race
0 Participants
Race (NIH/OMB)
Native Hawaiian or Other Pacific Islander
0 Participants
Race (NIH/OMB)
Unknown or Not Reported
0 Participants
Race (NIH/OMB)
White
36 Participants
Region of Enrollment
United States
39 participants
Sex: Female, Male
Female
39 Participants
Sex: Female, Male
Male
0 Participants

Adverse events

Event typeEG000
affected / at risk
EG001
affected / at risk
EG002
affected / at risk
EG003
affected / at risk
deaths
Total, all-cause mortality
0 / 390 / 390 / 390 / 39
other
Total, other adverse events
12 / 393 / 398 / 3911 / 39
serious
Total, serious adverse events
0 / 390 / 390 / 390 / 39

Outcome results

Primary

Absolute Change in Brief Pain Inventory (BPI) Worst Pain From Baseline to Week 15

The BPI is a patient self-rating scale that assesses joint pain and stiffness on a scale of 0 (no pain) to 10 (pain as bad as you can imagine). For the purpose of this measure, absolute change for only one BPI item will be assessed, joint pain and stiffness at its worst in the last week.

Time frame: Baseline, week 15

Population: 11 patients missing data

ArmMeasureValue (MEAN)
Cannabidiol (CBD)Absolute Change in Brief Pain Inventory (BPI) Worst Pain From Baseline to Week 15-2.4 units on a scale
Secondary

Change in Symptoms From Baseline, as Measured by the PROMIS-29+2 Profile v2.1

The Patient-Reported Outcomes Measurement Information System (PROMIS)-29+2 Profile v2.1 (PROPr) is a validated questionnaire to assess patient-reported symptoms over the past 7 days in 7 PROMIS domains on a scale of 1 (worst) to 5 (best). Raw scores for each domain are calculated and then converted to a T-score, with a mean of 50 and a standard deviation of 10. Higher T-scores represent more of the concept being measured: for fatigue, sleep disturbance, depression, and anxiety, higher scores represent worse symptoms; for physical functioning, ability to participate in social roles and activities, and cognitive function-abilities, higher scores mean better function.

Time frame: Baseline, week 15

Population: 11 patients missing data

ArmMeasureGroupValue (MEAN)Dispersion
Cannabidiol (CBD)Change in Symptoms From Baseline, as Measured by the PROMIS-29+2 Profile v2.1Pain interference-6.5 score on a scaleStandard Deviation 7.2
Cannabidiol (CBD)Change in Symptoms From Baseline, as Measured by the PROMIS-29+2 Profile v2.1Pain intensity-1.9 score on a scaleStandard Deviation 2.1
Cannabidiol (CBD)Change in Symptoms From Baseline, as Measured by the PROMIS-29+2 Profile v2.1Cognitive function2.0 score on a scaleStandard Deviation 1.2
Cannabidiol (CBD)Change in Symptoms From Baseline, as Measured by the PROMIS-29+2 Profile v2.1Depression-1.7 score on a scaleStandard Deviation 4.5
Cannabidiol (CBD)Change in Symptoms From Baseline, as Measured by the PROMIS-29+2 Profile v2.1Ability to participate in social roles/activities5.7 score on a scaleStandard Deviation 8
Cannabidiol (CBD)Change in Symptoms From Baseline, as Measured by the PROMIS-29+2 Profile v2.1Anxiety-3.4 score on a scaleStandard Deviation 6
Cannabidiol (CBD)Change in Symptoms From Baseline, as Measured by the PROMIS-29+2 Profile v2.1Physical function3.9 score on a scaleStandard Deviation 5.3
Cannabidiol (CBD)Change in Symptoms From Baseline, as Measured by the PROMIS-29+2 Profile v2.1Sleep disturbance-3.7 score on a scaleStandard Deviation 6.6
Cannabidiol (CBD)Change in Symptoms From Baseline, as Measured by the PROMIS-29+2 Profile v2.1Fatigue-3.3 score on a scaleStandard Deviation 6.9
Secondary

Number of Participants With Undetectable Levels of Estradiol

The number of participants with undetectable levels of estradiol circulating in blood plasma will be reported at baseline and 15 weeks.

Time frame: Baseline and week 15

Population: All enrolled patients would be analyzed; however, 3 samples are missing for baseline and 9 for week 15

ArmMeasureGroupValue (COUNT_OF_PARTICIPANTS)
Cannabidiol (CBD)Number of Participants With Undetectable Levels of EstradiolBaseline8 Participants
Cannabidiol (CBD)Number of Participants With Undetectable Levels of Estradiol15 Weeks4 Participants
Secondary

Number of Patients With at Least a 2-point Reduction in BPI Average Pain From Baseline to Week 15

The BPI is a patient self-rating scale that assesses joint pain and stiffness on a scale of 0 (no pain) to 10 (pain as bad as you can imagine). For the purpose of this measure, change from baseline to week 15 for only one BPI item, joint pain and stiffness on the average, will be assessed.

Time frame: Baseline, week 15

Population: 11 patients missing data

ArmMeasureValue (COUNT_OF_PARTICIPANTS)
Cannabidiol (CBD)Number of Patients With at Least a 2-point Reduction in BPI Average Pain From Baseline to Week 1514 Participants
Secondary

Number of Patients With at Least a 2-point Reduction in BPI Worst Pain From Baseline to Week 15

The BPI is a patient self-rating scale that assesses joint pain and stiffness on a scale of 0 (no pain) to 10 (pain as bad as you can imagine). For the purpose of this measure, change from baseline to week 15 for only one BPI item, joint pain and stiffness at its worst in the last week, will be assessed.

Time frame: Baseline, week 15

Population: 11 patients missing data

ArmMeasureValue (COUNT_OF_PARTICIPANTS)
Cannabidiol (CBD)Number of Patients With at Least a 2-point Reduction in BPI Worst Pain From Baseline to Week 1517 Participants
Secondary

Number of Treatment Related Adverse Events

Treatment related adverse events include those that are determined to be possibly, probably or definitely related to the study drug. Number of events will be reported by dose level and grade, per Common Terminology Criteria for Adverse Events (CTCAE) v.5.

Time frame: End of study (15 weeks)

ArmMeasureGroupValue (NUMBER)
Cannabidiol (CBD)Number of Treatment Related Adverse EventsAgitation- grade 2- 25mg BID dose1 number of events
Cannabidiol (CBD)Number of Treatment Related Adverse EventsNausea- grade 1- 25mg BID dose1 number of events
Cannabidiol (CBD)Number of Treatment Related Adverse EventsFlushing- grade 1- 25mg BID dose1 number of events
Cannabidiol (CBD)Number of Treatment Related Adverse EventsAnxiety- grade 1- 50mg BID dose1 number of events
Cannabidiol (CBD)Number of Treatment Related Adverse EventsRash- grade 2- 50mg BID dose2 number of events
Cannabidiol (CBD)Number of Treatment Related Adverse EventsNausea- grade 1- 50mg BID dose1 number of events
Cannabidiol (CBD)Number of Treatment Related Adverse EventsDepression- grade 1- 75 mg BID dose1 number of events
Cannabidiol (CBD)Number of Treatment Related Adverse EventsStomach Pain- grade 1- 75 mg BID dose1 number of events
Cannabidiol (CBD)Number of Treatment Related Adverse EventsFatigue- grade 1- 75 mg BID dose1 number of events
Cannabidiol (CBD)Number of Treatment Related Adverse EventsHeadache- grade 1- 75 mg BID dose1 number of events
Cannabidiol (CBD)Number of Treatment Related Adverse EventsHyponatremia- grade 1- 75 mg BID dose1 number of events
Cannabidiol (CBD)Number of Treatment Related Adverse EventsHyperglycemia- grade 1- 75 mg BID dose1 number of events
Cannabidiol (CBD)Number of Treatment Related Adverse EventsPeripheral motor neuropathy- grade 1- 100 mg BID dose1 number of events
Cannabidiol (CBD)Number of Treatment Related Adverse EventsFatigue- grade 1- 100 mg BID dose1 number of events
Cannabidiol (CBD)Number of Treatment Related Adverse EventsMemory impairment- grade 1- 100 mg BID dose1 number of events
Cannabidiol (CBD)Number of Treatment Related Adverse EventsAnorexia- grade 2- 100 mg BID dose1 number of events
Cannabidiol (CBD)Number of Treatment Related Adverse EventsDiarrhea- grade 2- 100 mg BID dose1 number of events
Cannabidiol (CBD)Number of Treatment Related Adverse EventsNausea- grade 1 - 100 mg BID dose2 number of events
Cannabidiol (CBD)Number of Treatment Related Adverse Eventsalanine aminotransferase increased- grade 1- 100 mg BID dose1 number of events
Cannabidiol (CBD)Number of Treatment Related Adverse EventsOral Pain- grade 1- 100 mg BID dose1 number of events
Cannabidiol (CBD)Number of Treatment Related Adverse EventsGastroesophageal reflux disease- grade1- 100 mg BID dose1 number of events
Cannabidiol (CBD)Number of Treatment Related Adverse EventsPeripheral motor neuropathy- grade 2- 100 mg BID dose1 number of events
Cannabidiol (CBD)Number of Treatment Related Adverse EventsIncreased creatinine- grade 1- 100 mg BID dose1 number of events
Cannabidiol (CBD)Number of Treatment Related Adverse Eventsstomach pain- grade 1- 100 mg BID dose1 number of events
Cannabidiol (CBD)Number of Treatment Related Adverse Eventsdizziness- grade 1- 100 mg BID dose1 number of events
Cannabidiol (CBD)Number of Treatment Related Adverse EventsHeadache- grade 1- 100 mg BID dose1 number of events

Source: ClinicalTrials.gov · Data processed: Feb 6, 2026