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Cannabinoid

Cannabidiol for Endometriosis

Phase 2
Recruiting
Led By Staci Gruber, PhD
Research Sponsored by Mclean Hospital
Eligibility Criteria Checklist
Specific guidelines that determine who can or cannot participate in a clinical trial
Must have
Subject is sex assigned female at birth
Subject is 21 or older
Must not have
Presence of a serious or unstable medical illness, including liver, kidney, or cardiovascular disease (hyper/hypotension, cardiac disorders), or neurological disorder (including seizure disorder)
Non-fluent English speakers
Timeline
Screening 3 weeks
Treatment Varies
Follow Up 12 weeks

Summary

This trial aims to investigate the effects of a specific hemp-derived CBD product compared to a placebo on symptoms and biomarkers in women with endometriosis over 12 weeks. The goal is to determine

Who is the study for?
This trial is for individuals assigned female at birth, aged 21 or older, who have been diagnosed with endometriosis and experience moderate levels of pain. Participants must be fluent in English and able to provide informed consent.
What is being tested?
The study compares a high-CBD, hemp-derived cannabinoid product against a placebo over 12 weeks to see its effects on symptoms and biomarkers in patients with endometriosis.
What are the potential side effects?
Potential side effects may include typical CBD-related reactions such as fatigue, changes in appetite, gastrointestinal discomfort, and mood alterations.

Eligibility Criteria

Inclusion Criteria

You may be eligible if you check “Yes” for the criteria below
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I was assigned female at birth.
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I am 21 years old or older.
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I experience moderate to severe pain.
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I have been diagnosed with endometriosis.

Exclusion Criteria

You may be eligible for the trial if you check “No” for criteria below:
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I do not have any serious illnesses like heart, liver, kidney diseases, or seizures.
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I am not fluent in English.

Timeline

Screening ~ 3 weeks
Treatment ~ Varies
Follow Up ~12 weeks
This trial's timeline: 3 weeks for screening, Varies for treatment, and 12 weeks for reporting.

Treatment Details

Study Objectives

Study objectives can provide a clearer picture of what you can expect from a treatment.
Primary study objectives
Visual Analog Scale (VAS)
Secondary study objectives
Beck Anxiety Inventory (BAI)
Beck Depression Inventory (BDI)
Circulating Endocannabinoid Concentrations
+4 more

Side effects data

From 2022 Phase 2 & 3 trial • 90 Patients • NCT04387617
29%
Tiredness
20%
Constipation
18%
Drowsiness
11%
Poor sleep
11%
Dizziness
9%
Poor Appetite
9%
Headache
4%
Nausea
4%
Itching
2%
Diarrhea
100%
80%
60%
40%
20%
0%
Study treatment Arm
Control Group
CBD Oil Group

Trial Design

2Treatment groups
Experimental Treatment
Placebo Group
Group I: High-CBD Sublingual ProductExperimental Treatment1 Intervention
A custom-formulated, hemp-derived, full-spectrum high-CBD sublingual solution; 0.75mL of solution will be self-administered three times daily (TID) for the duration of the CBD phase.
Group II: PlaceboPlacebo Group1 Intervention
Placebo solution (0.75mL) will be self-administered TID for the duration of the placebo phase.
Treatment
First Studied
Drug Approval Stage
How many patients have taken this drug
Cannabidiol
2021
Completed Phase 3
~1010

Find a Location

Who is running the clinical trial?

Mclean HospitalLead Sponsor
217 Previous Clinical Trials
22,163 Total Patients Enrolled
Massachusetts Life Sciences CenterUNKNOWN
Staci Gruber, PhDPrincipal InvestigatorMclean Hospital
1 Previous Clinical Trials
12 Total Patients Enrolled
~20 spots leftby Jun 2026