Long COVID Clinical Trial
Official title:
Safety and Tolerability of Full Spectrum Cannabidiol Dominant Medicinal Cannabis in Treating Symptoms Associated With Long COVID: A Feasibility Study
Verified date | January 2023 |
Source | Bod Australia |
Contact | n/a |
Is FDA regulated | No |
Health authority | |
Study type | Interventional |
This is an open label, phase 2 clinical trial to assess the feasibility of a cannabidiol (CBD) dominant medicinal cannabis for the treatment of Long COVID. The primary aim is to assess the feasibility of recruiting and retaining individuals diagnosed with Long COVID into a treatment trial of medicinal cannabis, as well as assessing the safety and tolerability of a dominant medicinal cannabis in this population. The secondary aim is to determine the effect of a CBD dominant medicinal cannabis on symptoms associated with Long COVID.
Status | Completed |
Enrollment | 12 |
Est. completion date | January 6, 2023 |
Est. primary completion date | January 6, 2023 |
Accepts healthy volunteers | No |
Gender | All |
Age group | 18 Years and older |
Eligibility | Inclusion Criteria: 1. Male and females aged 18 years old or above. 2. Long COVID diagnosis, confirmed by either GP triage clinic or attendance and assessment by a Long COVID clinic. Self-diagnosed Long COVID will not be included in the study. It is expected that in order to have a coded diagnosis of long Covid, the participant will have undertaken the relevant clinical assessment and investigations as recommended by the NICE guidance on Long COVID. https://www.nice.org.uk/guidance/ng188 3. Females must be non-pregnant, non-lactating. 4. Proficient in English and have internet access and a mobile phone. 5. Stated willingness to comply with all study procedures and availability for the duration of the study. 6. Provision of signed and dated informed consent form. 7. All male and females of childbearing potential must agree to use highly effective contraception from the time of signing informed consent until 3 months (12 weeks) after the treatment has stopped. Participants using systemically acting hormonal contraception for example the oral contraceptive pill or contraceptive implant should use an additional non-hormonal/reliable barrier method of contraception from the time of signing informed consent until 3 months (12 weeks) after the treatment has stopped. Exclusion Criteria: 1. Self-diagnosed Long COVID without relevant assessment and investigation as per clinical guidelines. 2. Serious ongoing medical and/or psychiatric illnesses/disorders that will require active and variable treatment during the trial period. (this will be assessed from clinical history and GP records) 3. Used cannabinoids or a cannabinoid-based medicine within 3 months prior to study Day 1 and unwillingness to abstain from recreational drug use during the study period. 4. Cannabis dependence or any other drug or alcohol dependence within the past two years. 5. Known hypersensitivity to cannabis-based products or any of the excipients in the study drug. 6. Use of any other investigational products within 30 days of screening day. 7. Use of anti-coagulant drugs such as warfarin. 8. History of attempted suicide, bipolar disorder or schizophrenia. 9. History of chronic liver failure or present history of an abnormal liver function (LFT) blood test within the 3 months prior to recruitment. This should be able to be confirmed during the screening process as all participants should have had a liver function blood test as part of the recommended clinical assessment prior to diagnosing Long COVID. If no liver function test is available within 6 months of screening (which is unlikely), participants will be asked if they would agree to having a screening LFT. 10. History of allergy to tree nuts, with no definite previous coconut exposure. |
Country | Name | City | State |
---|---|---|---|
United Kingdom | Drug Science | York |
Lead Sponsor | Collaborator |
---|---|
Bod Australia | Drug Science, UK |
United Kingdom,
Type | Measure | Description | Time frame | Safety issue |
---|---|---|---|---|
Primary | Recruitment rate | Recruiting individuals diagnosed with long COVID into a treatment trial of medicinal cannabis | 12 months (48 weeks) | |
Primary | Tolerability for the treatment of long COVID | Retaining participants in a six month trial of medicinal cannabis using the proposed battery of assessments. Retention rate (%) of participants enrolled into the trial who complete the six-month protocol. | 6 months (24 weeks) | |
Primary | Number of side effects | Adverse events, side effects | 6 months (24 weeks) | |
Secondary | Long COVID symptoms | Assessed by the COVID-19 Yorkshire Rehabilitation Scale (C19-YRS, Sivan et al., 2021). This scale includes: breathlessness, cough/ voice, swallowing/ nutrition, fatigue, continence, cognition, pain/discomfort, anxiety, depression, post-traumatic stress disorder, communication, mobility, personal care, activities of daily living, social role, perceived health status and family/carers views. The C19-YRS provides an overview of 3 outcomes: symptoms severity score, functional disability score and global health score. | 5 months (20 weeks) | |
Secondary | Fatigue | Fatigue will be assessed using the nine item Fatigue Severity Scale (Krupp et al., 1989). This scale, which was initially designed for use in multiple sclerosis and systemic lupus erythematosus has been used extensively across multiple disorders and has bene demonstrated to have good reliability and validity. Each of the nine items in this scale is assessed on a seven-point scale from 1 (strongly disagree) to 7 (strongly agree). Thus, the composite scale ranges from 9 to 63 with higher ratings representing more severe fatigue. | 5 months (20 weeks) | |
Secondary | Self-reported quality of life | The health-related quality of life instrument that will be used in this study is the EuroQol 5 Dimensions (EQ-5D; Devlin et al., 2017). It is a widely used, validated, and reliable tool that assesses the quality of life of patients in many disease areas through assessment of the severity of each of 5 dimensions (mobility, self-care, usual activities, pain/discomfort and anxiety/depression). Each dimension has 5 levels (1-5): no problems, slight problems, moderate problems, severe problems and extreme problems. The digits for the five dimensions can be numerically summed into a single number, varying from 5 to 25 with higher numbers representing a lower quality of life. In addition, this measure contains a 100-point visual analogue which asks respondents to rate their current health with higher numbers representing better health. | 5 months (20 weeks) | |
Secondary | Pain score | The Brief Pain Inventory Short Form (BPI-SF; Cleeland, 1989; Cleeland & Ryan, 1994), a 9 item self-administered questionnaire, will be used to evaluate the severity of a patient's pain and the interference of this pain on the patient's daily feeling and functioning. The patient rates their worst, least, average, and current pain intensity, list current treatments and their perceived effectiveness, and rate the degree that pain interferes with general activity, mood, walking ability, normal work, relations with other persons, sleep, and enjoyment of life on a 10-point scale. The BPI scale defines pain as follows: 1-4=Mild Pain, 5-6=Moderate Pain, 7-10=Severe Pain. Thus, a mean of the items can be presented with higher ratings representing more severe pain. In addition, the mean of the 7 items assessing interference, each rated on a scale from 0 to 10, will be used as a measure of mean pain interference with higher numbers representing more interference. | 5 months (20 weeks) | |
Secondary | Mood (anxiety) | The Generalised Anxiety Disorder Assessment (GAD-7; Spitzer et al., 2006) will be used to measure depression. The GAD-7 is a seven-item instrument that is used to measure or assess the severity of generalised anxiety disorder (GAD). Each item asks the individual to rate the severity of their symptoms over the past two weeks. Response options include "not at all", "several days", "more than half the days" and "nearly every day". The GAD-7 score is calculated by assigning scores of 0, 1, 2, and 3, to the response categories of "not at all," "several days," "more than half the days," and "nearly every day," respectively, and then adding together the scores for the seven questions. GAD-7 total score for the seven items ranges from 0 to 21. | 5 months (20 weeks) | |
Secondary | Mood (depression) | The Patient Health Questionnaire (PHQ-9; Kroneke et al., 2001) will be used to measure mood/ depression. It is a reliable and valid measure of depression severity and is comprised of a 9-item self-rated instrument that has been validated in general populations, medical populations and psychiatric samples. It is calculated by assigning scores of 0, 1, 2, and 3, to the response categories of not at all, several days, more than half the days, and nearly every day, respectively. PHQ-9 total score for the nine items ranges from 0 to 27. |
5 months (20 weeks) | |
Secondary | Sleep quality | Assessed using Pittsburgh self-report questionnaires and wearable technology. The Pittsburgh Sleep Quality Index (PSQI) includes a scoring key for calculating a patient's seven subscores, each of which can range from 0 to 3. The subscores are tallied, yielding a "global" score that can range from 0 to 21. A global score of 5 or more indicates poor sleep quality; the higher the score, the worse the quality. Mean ratings on this global score will be used in our analyses. Furthermore, the wearable technology (i.e. Fitbit) will provide the patients' total time in sleep and time in sleep stages (light, deep and REM sleep), as well as a daily Sleep Score accessed via the Fitbit app. Seven day averages (means) of the Fitbit measures will be calculated for each participant across the duration of the study. | 5 months (20 weeks) | |
Secondary | Resting heart rate (expressed as average beats per minute) | The wearable technology will provide 24/7 heart rate tracking and heart rate variability. We will have access to the daily resting heart rate and averages across discrete periods. We will analyse mean resting heart rate (beats per minute). Variation in the time between each heartbeat (heart rate variability) will be accessed via the Fitbit app. Seven day averages (means) of the Fitbit measures will be calculated for each participant across the duration of the study. | 5 months (20 weeks) | |
Secondary | Activity levels (number of daily steps, distance walked, stairs climbed, active minutes and calories burned) | Activity levels assessed via wearable technology. The wearable technology (i.e. Fitbit) tracks all-day activity including number of steps walked, distance walked (expressed in kilometres), floors climbed, active minutes and calories burned. We will analyse the seven-day mean number of daily steps, distance walked, stairs climbed, active minutes and calories burned. Seven day averages (means) of the Fitbit measures will be calculated for each participant across the duration of the study. | 5 months (20 weeks) | |
Secondary | Oxygen saturation (expressed as percentage saturation) | Oxygen saturation expressed as percentage saturation, with typical numbers being in the region of 95% will also be assessed via the Fitbit. Seven day averages (means) of the Fitbit measures will be calculated for each participant across the duration of the study. | 5 months (20 weeks) | |
Secondary | Daily symptoms | Assessed using daily reports of key symptoms (breathlessness, fatigue, mood and pain) adapted from the COVID-19 Yorkshire Rehabilitation Scale. Each symptom will be scored out of 10 for a period of 7 days per 28 days, to produce an average score for each symptom. | 5 months (20 weeks) |
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