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OPNT: Data From Bulimia Nervosa Study Due in 1H18

06/19/2017
By David Bautz, PhD

OTC:OPNT

Financial Update

On June 15, 2017, Opiant Pharmaceuticals, Inc. (OTC:OPNT) announced financial results for the fiscal third quarter ending April 30, 2017. The company reported $18,116 in revenue during the quarter ended April 30, 2017, compared to approximately $2.6 million for the corresponding period in 2016. The $18,116 in revenue was entirely related to the company’s binge eating disorder treatment program. The $2.6 million in revenues in 2016 were all related to NARCAN® royalties and milestone payments. In December 2016, Opiant signed an agreement with SWK Holdings Corporation whereby SWK acquired the rights to certain royalty and milestone payments related to the sale of NARCAN® Nasal Spray for an initial payment of $13.7 million and the potential for an additional $3.75 million if certain future net sales milestones are met. Once SWK receives back 1.5 times their investment, Opiant will receive at least 90% of future NARCAN® royalties and milestone payments.

Net loss for the quarter ending April 30, 2017 was $3.1 million, or $1.55 per share. Research and development expenses for the quarter were approximately $1.1 million compared to approximately $1.06 million for the corresponding time period of 2016. The slight increase was due to the on-going development of the company’s product pipeline. General and administrative expenses totaled approximately $2.0 million and $1.0 million during the three months ending April 30, 2017 and 2016, respectively. The increase was due to an increased number of employees, legal fees, accounting fees, and rent expense. Selling expenses totaled $84,3675 and $93,000 for the three months ending April 30, 2017 and 2016, respectively, which were entirely related to NARCAN®. 

Opiant exited the fiscal third quarter of 2017 with approximately $9.7 million, which we anticipate will be enough to fund operations for at least the next 12 months. The company currently has 2.0 million shares outstanding, and when factoring in the 3.7 million vested and 0.4 million unvested stock options has a fully diluted share count of approximately 6.2 million.

Business Update


Opiant is a specialty pharmaceutical company developing treatments for substance use, addictive, and eating disorders using the company’s expertise in opioid antagonists. Opiant has developed a novel nasal spray formulation of naloxone as a treatment for opioid overdose, which was approved by the U.S. Food and Drug Administration (FDA) in November 2015. The company is also working on treatments for eating disorders, alcohol and cocaine use disorder, and has recently licensed the rights to a preclinical heroin vaccine from the National Institute on Drug Abuse. 

Clinical Trial of OPNT001 in Bulimia Nervosa Underway


On March 20, 2017, Opiant announced the initiation of a Phase 2 clinical trial evaluating OPNT001, a novel nasally-delivered opioid antagonist, in bulimia nervosa (BN). BN is a serious and potentially life-threatening eating disorder characterized by a cycle of binge eating and purging. BN affects approximately 1-2% of the adult population with 80% of those affected being female. Complications of BN include dehydration, heart problems, severe tooth decay and gum disease, anxiety and depression, and increased risk of suicide. 

Cognitive behavior therapy (CBT) has been shown to be effective in those suffering from BN. CBT encompasses numerous specific approaches for various psychiatric disorders, with the unifying theme being a combination of both cognitive and behavioral adaptations to change unhelpful thinking and actions. The only pharmacological agent approved to treat BN is fluoxetine (Prozac®). Two multicenter, double blind, placebo controlled randomized clinical trials of fluoxetine found that a 60 mg dose resulted in a statistically significant reduction in binge eating and vomiting episodes compared to placebo regardless of whether a patient was also suffering from depression, while a 20 mg dose of fluoxetine was only effective in those that did not also have depression (Goldstein et al., 1999). While effective, fluoxetine has a number of potential adverse side effects including increased suicidal thoughts, sleep problems, headache, dizziness, and gastrointestinal issues.

The randomized, double blind, placebo controlled Phase 2 clinical trial of OPNT001 is expected to enroll up to 80 patients in the United Kingdom who have been diagnosed with BN. The study will evaluate OPNT001’s safety and tolerability as well as its impact on various clinical outcomes, including change in eating behavior. We anticipate topline data from this study in the first half of 2018. 

Evaluation of Naloxone Nasal Spray by Positron Emission Tomography

On March 27, 2017, Opiant announced the results of a study evaluating two different doses of naloxone nasal spray on the occupation of brain opiate receptors using positron emission tomography (PET) imaging. The study was designed to compare the extent of brain mu opioid receptor occupancy between the 2 mg and 4 mg doses of naloxone nasal spray in healthy volunteers. The results showed that the 4 mg dose resulted in a larger degree of receptor occupancy in the brain than the 2 mg dose. In addition, the 4 mg dose achieved receptor occupancy more rapidly than the 2 mg dose. Both doses were safe and well tolerated. 

These results indicate the potential advantages of the 4 mg dose, particularly in light of an increasing number of opioid overdose deaths due to more potent opioids such as fentanyl. We expect results from the study to be published in a peer-reviewed scientific journal in the coming months. 

FDA Gives Supportive Feedback for OPNT002 in Alcohol Use Disorder

On February 28, 2017, Opiant announced that the U.S. Food and Drug Administration (FDA) gave supportive feedback from a Type B meeting in regards to the proposed development plan for OPNT002, an intranasally-dosed opioid antagonist, for the treatment of Alcohol Use Disorder (AUD).

The SAMHSA 2015 National Survey on Drug Use and Health reported approximately 17.3 million people in the U.S. with alcohol dependence or abuse. There are three FDA approved medicines to treat alcohol dependence including Antabuse®, Vivitrol®, and Campral®. However, there is still a pressing need for a safe and effective treatment for alcohol addiction as the FDA approved compounds have limited efficacy (Witkiewitz et al., 2012).

Opiant is planning to move OPNT002 into a Phase 2 trial in AUD later in 2017, and we anticipate learning more details about the trial as the company gets closer to initiating it. OPNT002 is differentiated from currently available AUD treatment’s as it will be used on an “as needed” basis, and the company has Phase 1 data showing rapid intranasal absorption.

Pre-Clinical Research on Heroin Vaccine to Continue


In 2016, Opiant announced the signing of an agreement for exclusive rights to a heroin vaccine being developed by the Walter Reed Army Institute of Research (WRAIR) and the National Institute on Drug Abuse (NIDA). The vaccine is currently in pre-clinical development and works through the induction of anti-heroin antibodies in the bloodstream by immunization with “heroin-like” haptens (Li et al., 2014). The antibodies bind to heroin and prevent the drug from crossing the blood-brain barrier, thereby preventing the subsequent euphoric and addictive effects. Opiant’s plan for 2017 is to continue to work with researchers at WRAIR to determine the viability of using the vaccine in a heroin-addict population.

Additional Patents Granted for NARCAN® Nasal Spray

On March 9, 2017, Opiant announced that two recently issued patents covering the methods of use for NARCAN® Nasal Spray are now listed in the U.S. FDA “Orange Book”. 

➢ U.S. Patent No. 9,480,644 claims nasal spray formulations, devices, and methods of treatment covering the 2 mg dose of NARCAN®. It also provides for methods for treating opioid overdose or its symptoms with the 2 mg formulation of NARCAN®. 

➢ U.S. Patent No. 9,561,177 provides for formulations with particular spray plume characteristics and for methods of treating opioid overdose or narcotic-induced respiratory depression with the 4 mg dose of NARCAN®.

Opiant now has four patents listed in the “Orange Book” covering the 4 mg dose of NARCAN® Nasal Spray: U.S. Patent Nos. 9,211,253; 9,468,747; 9,561,177; and 9,561,177.  

Valuation and Conclusion


Opiant has laid out an ambitious plan for 2017, and we are pleased to see that the company is already executing on a number of those goals, including initiating the clinical trial in BN. Uplisting to a major exchange is another very important milestone for the company that we believe may occur later in the year, as it could represent an inflection point for the shares if it occurs due to the greater trading liquidity and the chance to increase the shareholder base to include funds that are limited from owning stocks traded on the OTC.  

We now incorporate BN into our model as the clinical trial has initiated. Our estimates are for an NDA in 2021 and potential peak revenues of approximately $300 million. For AUD, a clinical trial may get underway in 2017, which would lead to eventual approval in 2021 and potential peak revenues of approximately $200 million. For cocaine use disorder, we model for an NDA filing in 2021, approval in 2022, and potential peak revenues of approximately $300 million. All told, using a 12% discount rate, our model leads to a valuation of approximately $20 per share. Even with the recent influx of cash, the stock price has not moved and the company continues to trade at just over 1x cash, thus we believe now is the time for investors to take a closer look at Opiant.

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