Summit Therapeutics plc
(‘Summit’, the ‘Company’ or the ‘Group’)Summit Therapeutics Reports Financial Results and Operational Progress for the First Quarter and Three Months Ended March 31, 2020Oxford, UK, and Cambridge, MA, US, June 2, 2020 – Summit Therapeutics plc (NASDAQ: SMMT) today reports its financial results and provides an update on its operational conditions for the first quarter and three months ended March 31, 2020.Ridinilazole for C. difficile Infection (‘CDI’)As of May 31, 2020, the Company had enrolled a total of 291 patients into its Phase 3 Ri-CoDIFy clinical trials. Below is a table outlining the enrollment statistics by calendar quarter and for this past April and May since the opening of the trials in February 2019.Due to the uncertainties surrounding COVID-19, Summit Therapeutics is withdrawing public commentary on the timing of completion of the Phase 3 Ri-CoDIFy clinical trials. The Company will be updating stakeholders quarterly as to enrollment status.The Ri-CoDIFy clinical trials aim to support registration of the precision antibiotic ridinilazole in the US and other territories resulting in its intended adoption as a first-line treatment for CDI by:testing for superiority over the current standard of care, vancomycin, in the primary endpoint of sustained clinical response at 30 days after treatment has ended;generating health economic data to support ridinilazole’s commercial launch, when as and if approved by regulatory authorities; andundertaking microbiome analysis that aims to show ridinilazole’s impact on the gut microbiome.BARDA is supporting the Phase 3 clinical and regulatory development of ridinilazole with a financial award of potential funding of up to $72.5 million. As of March 31, 2020, an aggregate of $42.4 million had been received.Discuva PlatformEnterobacteriaceaeDDS-04 compound series is a new class of precision antibiotics in lead optimisation that acts via the novel bacterial target LolCDE with the potential to treat infections caused by the Gram-negative bacteria, Enterobacteriaceae.GonorrhoeaDDS-01 compound series is a new class of precision antibiotics in lead optimization against Neisseria gonorrhoeae, and is supported by an award of up to $5.7 million from CARB-X.Corporate HighlightsMr. Robert W. Duggan was appointed as Chief Executive Officer, Dr. Elaine Stracker was appointed Interim Chief Operating Officer and Dr. Ventzislav Stefanov was appointed Executive Vice President and President of Discuva, the Company’s discovery engine employing 14 people, in April 2020. Mr. Glyn Edwards stepped down as Chief Executive Officer in April 2020, and he remains on the board as a Non-Executive Director.Dr. David Powell was promoted to Chief Scientific Officer and Ms. Divya Chari was appointed as Head of Global Clinical Operations in March 2020. Ms. Laura Trespidi was promoted to SVP, CMC and Supply Chain in February 2020.COVID-19In light of the ongoing COVID-19 pandemic, Summit’s employees continue to work remotely, enabling the majority of day to day business operations to continue. Summit’s own laboratory facilities have begun to reopen to resume work on key projects; site access by staff is being monitored closely and is limited to ensure the safety of Summit researchers. There continues to be a negative impact on patient enrollment into the Ri-CoDIFy clinical trials.Financial HighlightsCash and cash equivalents at March 31, 2020, of $55.3 million (£44.4 million) compared to $60.3 million (£48.4 million) at December 31, 2019.Loss for the three months ended March 31, 2020, of $6.1 million (£4.9 million) compared to a loss of $6.9 million (£5.3 million) for the three months ended March 31, 2019. Excluding the impact of exchange rate changes, the loss for the three months ended March 31, 2020, would be $9.3 million (£7.5 million) compared to a loss of $6.2 million (£4.7 million) for the three months ended March 31, 2019.About C. difficile Infection
Clostridioides difficile, or C. difficile, infection (CDI) is a bacterial infection of the colon that produces toxins causing inflammation of the colon and severe diarrhea. CDI can also result in more serious disease complications, including pseudomembranous colitis, bowel perforation, toxic megacolon and sepsis. CDI represents a serious healthcare issue in hospitals, long-term care homes and in the wider community. Summit estimates there are over one million cases of CDI each year in the United States and Europe, based on an epidemiology report on CDI that was published in 2015 by Decision Resources, a healthcare research and consulting company. Recurrence rates of up to 25% have been reported following treatment with the current standard of care, vancomycin. The vicious cycle of recurrence continues further, with patients who have one recurrence being at increased risk for another. The Healthcare Cost and Utilization Project, a family of databases developed through a federal-state-industry partnership, sponsored by the Agency for Healthcare Research and Quality of the US Department of Health and Human Services, reported an approximate 3.5-fold increase in hospital stays associated with CDI between 2000 and 2008. The economic impact of CDI is significant. A study published in 2016 in BMC Infectious Diseases estimated that the total costs attributable to the management of CDI were approximately $6.3 billion per year.About Enterobacteriaceae
Enterobacteriaceae are a family of bacteria responsible for severe and often deadly infections. They account
for a significant number of cases across a number of conditions including bloodstream infections, urinary tract infections and hospital-acquired pneumonias. Summit estimates that there are more than one million infections in the United States annually caused by Enterobacteriaceae across these three conditions based on data published in 2018 in the Journal of Antimicrobial Chemotherapy, 2016 in the Journal of Molecular Science, 2014 in the National Healthcare Safety Network, 2014 and 2018 in the New England Journal of Medicine, 2015 in Nature Reviews Microbiology, 2012 in World Journal of Urology and 2014 in PLOS One. Mechanisms of antibiotic resistance to Enterobacteriaceae are listed as both urgent and serious threats by the CDC.About Gonorrhea
There is an urgent unmet need for the development of new antibiotics against gonorrhea, which is a sexually transmitted infection caused by an overgrowth of the bacteria Neisseria gonorrhoeae (N. gonorrhoeae). N. gonorrhoeae can cause infection of the genitals, throat, and eyes. Untreated infections may spread to the rest of the body, especially the joints, and in women may cause pelvic inflammatory disease and possible infertility. It is estimated by the WHO that there are approximately 78 million new cases of gonorrhea globally per year. N gonorrhoeae has consistently developed resistance to each class of antibiotics recommended for the treatment of gonorrhea infections, and there is now only one treatment that is recommended by the CDC, a combination of the cephalosporin antibiotic ceftriaxone and the macrolide antibiotic azithromycin. The WHO ranks gonorrhea as a “high” priority for research and development while the CDC states that additional treatment options are urgently needed.About Summit Therapeutics
Summit Therapeutics, led by its Discuva Platform, the Company’s discovery engine, is a leader in antibiotic innovation. Our new mechanism antibiotics are designed to become the patient-friendly new era standard of care for those suffering from infectious disease, subject to regulatory approvals, and create value for payors and healthcare providers. In the present time, we are developing new mechanism antibiotics to treat infections caused by C. difficile, Enterobacteriaceae and N. gonorrhoeae and are using our proprietary Discuva Platform to expand our pipeline. For more information, visit www.summitplc.com and follow us on Twitter @summitplc. For more information on the Company’s Discuva Platform, visit https://www.summitplc,com/our-science/discuva-platform.For more information:Forward Looking Statements
Any statements in this press release about the Company’s future expectations, plans and prospects, including but not limited to, statements about the potential benefits and future operation of the BARDA or CARB-X contract, including any potential future payments thereunder, the clinical and preclinical development of the Company’s product candidates, the therapeutic potential of the Company’s product candidates, the potential of the Discuva Platform, the potential commercialization of the Company’s product candidates, the sufficiency of the Company’s cash resources, the timing of initiation, completion and availability of data from clinical trials, the potential submission of applications for marketing approvals, the impact of the COVID-19 pandemic and other statements containing the words “anticipate,” “believe,” “continue,” “could,” “estimate,” “expect,” “intend,” “may,” “plan,” “potential,” “predict,” “project,” “should,” “target,” “would,” and similar expressions, constitute forward-looking statements within the meaning of The Private Securities Litigation Reform Act of 1995. Actual results may differ materially from those indicated by such forward-looking statements as a result of various important factors, including: the ability of BARDA or CARB-X to terminate the contract for convenience at any time, the uncertainties inherent in the initiation of future clinical trials, availability and timing of data from ongoing and future preclinical studies and clinical trials and the results of such preclinical studies and clinical trials, whether preliminary results from a clinical trial will be predictive of the final results of that trial or whether results of early clinical trials or preclinical studies will be indicative of the results of later clinical trials, expectations for regulatory approvals, legal, regulatory, political and economic risks arising from or relating to global public health crises that reduce economic activity (including the recent coronavirus COVID-19 outbreak) and the enrollment in and completion of clinical trials, laws and regulations affecting government contracts, availability of funding sufficient for the Company’s foreseeable and unforeseeable operating expenses and capital expenditure requirements and other factors discussed in the “Risk Factors” section of filings that the Company makes with the Securities and Exchange Commission, including the Company’s Transition Report on Form 20-F for the eleven months ended December 31, 2019. Accordingly, readers should not place undue reliance on forward-looking statements or information. In addition, any forward-looking statements included in this press release represent the Company’s views only as of the date of this release and should not be relied upon as representing the Company’s views as of any subsequent date. The Company specifically disclaims any obligation to update any forward-looking statements included in this press release.The financial information in the Company’s financial statements has been prepared assuming the Company will continue on a going concern basis. Based on management’s forecasts, the Company’s existing cash and cash equivalents, anticipated payments from BARDA under its contract for the development of ridinilazole, anticipated payments from CARB-X under its contract for the development of its gonorrhea antibiotic program, and anticipated milestone payments from its license and commercialization agreement with Eurofarma are expected to be sufficient to enable the Company to fund its operating expenses and capital expenditure requirements through January 31, 2021. The Company will need to raise additional funding in order to support, beyond this date, its planned research and development efforts, its preparatory commercialization related activities should ridinilazole receive marketing approval, as well as to support activities associated with operating as a public company in the United States. The failure of the Company to obtain sufficient funds on acceptable terms when needed could have a material adverse effect on the Company’s business, results of operations and financial condition, and may cast and raise significant doubt on the Company’s ability to continue as a going concern.FINANCIAL STATEMENTSCondensed Consolidated Statement of Comprehensive Income (unaudited)
For the three months ended March 31, 2020Condensed Consolidated Statement of Financial Position (unaudited)
As at March 31, 2020Condensed Consolidated Statement of Cash Flows (unaudited)For the three months ended March 31, 2020Condensed Consolidated Statement of Changes in Equity (unaudited)Three months ended March 31, 2020Year ended December 31, 2019Three months ended March 31, 2019

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