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Effectiveness of Cannabidiol Oil for Pediatric Anxiety and Insomnia as Part of Posttraumatic Stress Disorder: A Case Report

Assistant Clinical Professor of Psychiatry at the University of Colorado School of Medicine in Fort Collins. E-mail: [email protected]

Naturopathic Physician at the Wholeness Center in Fort Collins, CO. E-mail: [email protected]

Abstract

Introduction

Anxiety and sleep disorders are often the result of posttraumatic stress disorder and can contribute to an impaired ability to focus and to demonstration of oppositional behaviors.

Case Presentation

These symptoms were present in our patient, a ten-year-old girl who was sexually abused and had minimal parental supervision as a young child under the age of five. Pharmaceutical medications provided partial relief, but results were not long-lasting, and there were major side effects. A trial of cannabidiol oil resulted in a maintained decrease in anxiety and a steady improvement in the quality and quantity of the patient’s sleep.

Discussion

Cannabidiol oil, an increasingly popular treatment of anxiety and sleep issues, has been documented as being an effective alternative to pharmaceutical medications. This case study provides clinical data that support the use of cannabidiol oil as a safe treatment for reducing anxiety and improving sleep in a young girl with posttraumatic stress disorder.

INTRODUCTION

Cannabidiol (CBD) oil is a naturally occurring constituent of industrial hemp and marijuana, which are collectively called cannabis. CBD oil is 1 of at least 85 cannabinoid compounds found in cannabis and is popular for its medicinal benefits. After tetrahydrocannabinol (THC), CBD oil is the second-most-abundant component of cannabis. Other names for CBD oil include CBD-rich hemp oil, hemp-derived CBD oil, or CBD-rich cannabis oil. Considered to be generally safe, CBD has been used medicinally for decades. However, CBD is not medical marijuana and should be distinguished from high-CBD strains of medical marijuana, which do contain THC, such as “Charlotte’s Web.”

The most abundant compound in cannabis, THC is also a cannabinoid. The THC component induces the psychoactive effect, “high.” A cannabis plant has different amounts of CBD and THC depending on the strain and thus provides different recreational or medicinal effects. The cannabinoid profile of industrial hemp or medical marijuana is ideal for people looking for the medical benefits of CBD without the “high” of the THC.

The mechanism of action of CBD is multifold.1–3 Two cannabinoid receptors are known to exist in the human body: CB1 and CB2 receptors. The CB1 receptors are located mainly in the brain and modulate neurotransmitter release in a manner that prevents excessive neuronal activity (thus calming and decreasing anxiety), as well as reduces pain, reduces inflammation, regulates movement and posture control, and regulates sensory perception, memory, and cognitive function. a 2 An endogenous ligand, anandamide, which occurs naturally in our bodies, binds to the CB1 receptors through the G-protein coupling system. CBD has an indirect effect on the CB1 receptors by stopping the enzymatic breakdown of anandamide, allowing it to stay in the system longer and provide medical benefits.4 CBD has a mild effect on the CB2 receptors, which are located in the periphery in lymphoid tissue. CBD helps to mediate the release of cytokines from the immune cells in a manner that helps to reduce inflammation and pain.2

Other mechanisms of action of CBD include stimulation of vanilloid pain receptors (TRPV-1 receptor), which are known to mediate pain perception, inflammation, and body temperature.5 In addition, CBD may exert its anti-anxiety effect by activating adenosine receptors which play a significant role in cardiovascular function and cause a broad anti-inflammatory effect throughout the body.5 At high concentrations, CBD directly activates the 5-HT1A serotonin receptor, thereby conferring an antidepressant effect.6 Cannabidiol has been found to be an antagonist at the potentially new third cannabinoid receptor, GPR55, in the caudate nucleus and putamen, which if stimulated may contribute to osteoporosis.7

Since the 1940s, a considerable number of published articles have dealt with the chemistry, biochemistry, pharmacology, and clinical effects of CBD.8 The last decade has shown a notable increase in the scientific literature on CBD, owing to its identification for reducing nausea and vomiting, combating psychotic disorders, reducing inflammation, decreasing anxiety and depression, improving sleep, and increasing a sense of well-being.9–12 Findings presented at the 2015 International Cannabinoid Research Society at its 25th Annual Symposium reported the use of CBD as beneficial for kidney fibrosis and inflammation, metabolic syndrome, overweight and obesity, anorexia-cachexia syndrome, and modification of osteoarthritic and other musculoskeletal conditions.13–16

Although studies have demonstrated the calming, anti-inflammatory, and relaxing effects of CBD, clinical data from actual cases is minimal. This case study offers evidence that CBD is effective as a safe alternative treatment to traditional psychiatric medications for reducing anxiety and insomnia.17

CASE PRESENTATION

A ten-year-old girl presented in January 2015 for a reevaluation of behaviors related to her diagnosis of posttraumatic stress disorder (PTSD) secondary to sexual abuse. Her chief issues included anxiety, insomnia, outbursts at school, suicidal ideation, and self-destructive behaviors. Her grandmother, who has permanent custody of the patient and her younger brother, accompanied her.

Our patient had been seen for an initial evaluation in January 2012 and received a diagnosis of PTSD secondary to sexual abuse on the basis of her history, clinical observations, and behaviors ( Table 1 ). Her father had died 6 months earlier in a motor vehicle accident, and our patient’s maternal grandparents became her permanent guardians. Before her father’s death, our patient had no supervision from her father and very little supervision from her mother. An 11-year-old boy had molested her when she was 3 years old. Her medical history included her mother having methadone addiction, alcoholism, bipolar disorder, and depression. Her mother used marijuana her entire pregnancy with the girl. The patient presented in January 2012 as displaying aggressive, disobedient, impulsive, and sexually inappropriate behaviors. She also demonstrated low self-esteem and anxiety and had poor sleep (restless, interrupted, and unable to sleep alone).

Table 1

Date Presentation Medications Supplements Other
January 31, 2012 New evaluation: 7.5-year-old girl. History of sexual abuse and neglect. Issues: Insomnia, sexual behaviors. Diagnosis: PTSD secondary to sexual abuse. None Melatonin, 1 mg/night February 14, 2012, laboratory values: TSH, 2.46 mIU/L (reference range, 0.47–4.68 mIU/L); ferritin: 21 ng/mL (reference range, 10–150 ng/mL).
February 16, 2012, laboratory values: Vitamin D3: 39 ng/mL (reference range, 20–50 ng/mL)
February 20, 2012 Sleeping 2–3 hours/night. Started counseling; Cooperative and good behavior at counseling session. Anxious, traumatized. Clonidine, 0.05 mg (half tablet) at bedtime Inositol, 3 g 3 times/d; EPA fish oil, 500 mg/d Eye movement desensitization and reprocessing therapy recommended
February 22, 2012 Did not do well with clonidine because of hallucinations, so she discontinued that treatment. Behavior still very rough; sleep poor. Started imipramine therapy, 25 mg at bedtime March 7, 2012: ECG was normal
August 8, 2012 a Good summer. In play therapy. Overall better sleep and energy with imipramine therapy. Patient’s 6-year-old brother also now in therapy. Imipramine, 25 mg at bedtime
January 21, 2015 Returned for evaluation and treatment after 3 years. Suicidal ideation; cut self on leg; defiant and stubborn. Had psychotherapy 3 years straight twice a month. Sleeps with brother; can’t sleep alone. Off all medications for past 18 months Melatonin, 5 mg; St John’s wort, 450 mg twice/d; magnesium, 300 mg/d; diphenhydramine, 25 mg/night
February 16, 2015 Hard to manage. Has outbursts at school. Magnesium and St John’s wort: stopped treatment; EPA fish oil, 750 mg/d; diphenhydramine, 25 mg/night February 11, 2015: Normal cortisol and DHEA levels
March 16, 2015 Better overall. Started animal-assisted therapy. EPA fish oil, 750 mg/d; diphenhydramine, 25 mg/night Started a regimen of CBD oil, 25 mg (1 capsule)/d at 6 pm
April 14, 2015 Sleeping better with CBD treatment. Getting biofeedback. Has stomachaches. Mood is more at ease. EPA fish oil, 750 mg/d; diphenhydramine, 25 mg/night CBD oil, 25 mg (1 capsule)/d at 6 pm
May 26, 2015 “Ghosts” waking patient up at night. EPA fish oil, 750 mg/d CBD oil, 25 mg (1 capsule)/d at 6 pm
July 22, 2015 Sleeping better; able to sleep in own room 3–4 nights/wk. EPA fish oil, 750 mg/d CBD liquid, 12 mg (in 4 sublingual sprays)/night; 12 mg more (in 4 sublingual sprays) during the day as needed for anxiety, typically 3 or 4 times/wk
August 24, 2015 Sleeping well. Handling school well. EPA fish oil, 750 mg/d CBD oil, 25 mg (1 capsule)/night; CBD liquid, 6–12 mg (in 2–4 sublingual sprays) as needed for anxiety, typically 2 or 3 times/wk

CBD = cannabidiol; DHEA = dehydroepiandrosterone; ECG = electrocardiogram; EPA = eicosapentaenoic acid; PTSD = posttraumatic stress disorder; TSH = thyroid stimulating hormone.

Workup during 2012 included laboratory studies, which ruled out a thyroid dysfunction and an iron or vitamin D deficiency. The patient was started on a regimen of 1 mg/night of melatonin, which helped her sleep duration. Three grams of inositol 3 times a day and 500 mg/d of eicosapentaenoic fish oil were also helpful in reducing her anxiety. A trial of clonidine was implemented, which resulted in hallucinations and thus was discontinued. The patient was switched to a regimen of 25 mg of imipramine at bedtime to decrease her anxiety, which appeared to be helpful. Counseling sessions were started. The patient continued psychotherapy for 3 years, but she was not seen again in our clinic until the return visit in January 2015, when she was not receiving any of her medications and supplements.

At the patient’s return in January 2015, she demonstrated the same prominent symptoms as at her initial presentation. At that time, the initial treatment included the following supplements and medications to assist with her sleep and anxiety: melatonin, 5 mg/night; magnesium, 300 mg/d; and diphenhydramine (Benadryl), 25 mg/night. Our patient demonstrated slight gains but was still having outbursts at school and was reportedly difficult to manage at home. In addition, her underlying anxiety continued.

Cannabidiol oil was explored as a potential additional treatment to help her insomnia and anxiety, but we deferred for two months while we waited for a response from other interventions. The grandmother preferred reducing the pharmacologic load given her granddaughter’s failure to respond long term to psychiatric medications.

In March 2015, CBD oil was recommended as a potential additional treatment to help her insomnia and anxiety, and her grandmother provided full informed consent. Our patient was administered the Sleep Disturbance Scale for Children18 and the Screen for Anxiety Related Disorders (SCARED)19 before taking the CBD oil and each month afterward for the next 5 months. Test scores on the Sleep Disturbance Scale for Children and Screen for Anxiety Related Disorders demonstrated an improvement ( Table 2 ).

Table 2

Patient’s clinical progress in sleep and anxiety

Date of visit Sleep scale score a SCARED score b
March 16, 2015 59 34
May 25, 2015 42 24
July 22, 2015 41 19
August 24, 2015 37 16
September 22, 2015 38 18

a A score of more than 50 is considered indicative of a sleep disorder on the Sleep Disturbance Scale for Children.

SCARED = Screen for Anxiety Related Disorders.

A trial of CBD supplements (25 mg) was then initiated at bedtime, and 6 mg to 12 mg of CBD sublingual spray was administered during the day as needed for anxiety. A gradual increase in sleep quality and quantity and a decrease in her anxiety were noted. After 5 months, the patient was sleeping in her own room most nights and handling the new school year with no difficulties. No side effects were observed from taking the CBD oil.

DISCUSSION

Studies repeatedly recognize the prevalence of an anxiety-provoked sleep disorder after a traumatic experience.20 Our patient was definitely experiencing this phenomenon, which was aggravated by daily stressful activities.

The main finding from this case study is that CBD oil can be an effective compound to reduce anxiety and insomnia secondary to PTSD. A review of the literature suggests some benefits from the use of CBD because of its anxiolytic and sleep-inducing effects.9 Animal studies support use of this treatment and report that “CBD may block anxiety-induced [rapid eye movement] sleep alteration via its anxiolytic effect on the brain.”21

The strength of this particular case is that our patient was receiving no pharmaceutical medications (other than nonprescription diphenhydramine) but only nutritional supplements and the CBD oil to control her symptoms. Her scores on the sleep scale and the anxiety scale consistently and steadily decreased during a period of 5 months (see Table 2 ). She was ultimately able to sleep through the night most nights in her own room, was less anxious at school and home, and displayed appropriate behaviors. The patient’s grandmother (her caregiver) reported: “My granddaughter’s behaviors are definitely better being on the CBD. Her anxiety is not gone, but it is not as intense and she is much easier to be around. She now sleeps in her own room most of the time, which has never happened before.”

Further study will need to be conducted to determine the permanency of our patient’s positive behaviors and how long she will need to continue taking the CBD oil. We do not have a reasonable foundation to recommend dosing from the scientific literature. However, in our experience, this supplement given 12 mg to 25 mg once daily appears to provide relief of key symptoms with minimal side effects. Our patient did not voice any complaints or discomfort from the use of CBD. We routinely asked about headache, fatigue, and change in appetite or agitation in addition to conducting a routine psychiatric evaluation. Although CBD is considered generally safe,17 the long-term effects are yet to be studied.

The ultimate goal is to gradually taper her off the use of CBD oil and transition our patient into lifelong coping strategies such as yoga, meditation, and various other therapeutic activities.

Marijuana and Medicine

Scientific data indicate the potential therapeutic value of cannabinoid drugs, primarily [tetrahydrocannabinol], for pain relief, control of nausea and vomiting, and appetite stimulation; smoked marijuana, however, is a crude [tetrahydrocannabinol] delivery system that also delivers harmful substances.

— Joy JE, Watson SJ Jr, Benson JA Jr. Marijuana and medicine: Assessing the science base. Washington, DC: National Academies Press; 1999.

Acknowledgments

CannaVest Corp, San Diego, CA, which had no involvement in the case study or distribution of the product, provided the CBD oil that was administered to the patient. No financial support was provided.

Kathleen Louden, ELS, of Louden Health Communications provided editorial assistance.

Footnotes

a GW Pharmaceuticals is the founder of the Cannabinoid Research Institute, directed by Philip Robson, MD. Further research articles listed.

Disclosure Statement

The author(s) have no conflicts of interest to disclose.

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4 in 10 teens, young adults have used CBD oil, study finds

(HealthDay)—Many teenagers and young adults may be using so-called CBD products, often in the belief that they will aid health conditions, a preliminary study suggests.

Researchers found that of 200 U.S. teens and young adults who landed in their emergency room, 40% said they had used CBD oil. Some did it “just for fun,” but others thought CBD “can help to treat my medical illness.”

CBD, or cannabidiol, is one of hundreds of chemicals found in marijuana. It differs from THC, the source of the famous marijuana “high.” CBD is present in marijuana but is more abundant in hemp—cannabis plants that have little THC.

CBD has exploded in popularity across the United States in recent years, being marketed in everything from lotions and capsules to cookies and coffee. The purported benefits are also wide-ranging and include relief from chronic pain, anxiety and insomnia.

But it’s not clear how often kids use CBD, or whether they believe the hype.

“You can walk into a gas station and buy CBD,” said Nicole Cumbo, a medical student at Penn State College of Medicine in Hershey, Pa., who led the new study. “We wanted to know: Do kids know about it? What do they believe? Is CBD use associated with risk-taking behaviors?”

To get an idea, the researchers questioned 200 patients, aged 12 to 23, who were treated at a Penn State ER. Overall, 40% had ever used CBD, and 48% believed the chemical could treat “medical illnesses.”

For the most part, there was no sign CBD users had suffered unusual symptoms in the past six months, compared with non-users. But they were more likely to report anxiety: 66% did, versus 47% of non-users.

“It’s difficult to pinpoint why,” Cumbo said. “Did the CBD cause anxiety? Or were kids using CBD to treat anxiety, since that’s one of the things it’s marketed for.”

Since all of those in the study were seen in an emergency department, their CBD experiences might not be reflective of young people in general, Cumbo said.

But the findings do suggest that CBD use is common among teens and young adults, she noted, and doctors and parents should be aware of that. Among the findings, young people who used CBD were also more likely than non-users to smoke, use chewing tobacco or abuse prescription pain medication.

Cumbo presented the findings at the annual meeting of the American Academy of Pediatrics, held online Friday. Studies presented at meetings are generally considered preliminary.

It’s not clear why so many young people believed in CBD’s curative powers—whether it’s the marketing, word of mouth, or ubiquity of the product, Cumbo added.

But the CBD widely available in capsules, food and cosmetics has not been evaluated by the U.S. Food and Drug Administration. And the many health claims these products tout have not been scientifically proven, said Richard Miller, a professor of pharmacology at Northwestern University Feinberg School of Medicine, in Chicago. He was not involved in the study.

Cannabis has been used medicinally for thousands of years, Miller said, but much more is known about its main component, THC, than about CBD.

“Until about 20 years ago, CBD was thought to be completely inactive,” Miller said.

Now, with the explosion in CBD products, scientists are rushing to study the cannabis chemical. But at this point, CBD is approved in the United States for only one indication: certain rare forms of epilepsy. That product—called Epidiolex—is a purified, pharmaceutical-grade CBD, and not the oil people can get at a corner market.

The other health claims attributed to CBD are “up in the air,” Miller said. It’s unlikely that a single compound is the panacea that marketing suggests, he added.

“I’m not saying there’s no benefit,” he stressed. There is, however, no consensus yet on what the benefits might be, Miller said.

As for safety, Miller said the CBD doses in consumer products may be unlikely to cause harm. He also doubted the CBD infusion in someone’s ice cream would be enough to bring health benefits.

Cumbo recommended some caution before using CBD to treat a medical condition: People should first talk to their doctor or pharmacist—including about whether CBD could interact with any medications they are taking.

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