Theralase Provides Update on Phase Ib Non-Muscle Invasive Bladder Cancer Clinical Study

Toronto, Ontario (FSCwire) - Theralase Technologies Inc. (“Theralase®” or the “Company”) (TSXV: TLT) (OTCQX: TLTFF), a clinical stage pharmaceutical company dedicated to the research and development of light activated Photo Dynamic Compounds (“PDCs”) and their associated drug formulations to safely and effectively destroy various cancers provides an update on the Phase Ib Non-Muscle Invasive Bladder Cancer (“NMIBC”) clinical study (“Study”) currently in progress.

The Study is being used to evaluate TLD-1433, Theralase’s lead PDC, for the primary endpoint of safety and tolerability, secondary endpoint of pharmacokinetics (movement and exit of drug within tissue) and exploratory endpoint of efficacy.

The exploratory outcome endpoint is Recurrence-Free Survival (“RFS”), defined as the interval from Day 0 to documented recurrence or death from any cause, whichever occurs first. Recurrence is defined as any new tumour growth (i.e: any biopsy-confirmed new or recurrent tumour), evaluated at ninety (90) days for the first three patients treated at the Maximum Recommended Starting Dose (“MRSD”) (0.35 mg/cm²) and primarily at ninety (90) days for the last six patients treated at the Therapeutic Dose (0.70 mg/cm²) and secondarily one hundred and eighty (180) days post treatment.

As previously reported, the Company, in conjunction with its clinical partner, have optimized the clinical procedure of the Study commencing with patient number five, who was enrolled and treated in January 2018. The treatment was well tolerated by the patient, who demonstrated no tumour recurrence or presence of disease at the 90 day clinical and cystoscopy assessment.  This patient has met Study endpoints demonstrating achievement of the primary, secondary and exploratory endpoints at 90 days post treatment.

The sixth patient was treated in February 2018.  Patient number six’s 90-day clinical cystoscopy assessment to rule out recurrent NMIBC has now been completed and as reported today, the patient has demonstrated no clinical evidence or presence of disease.

The anti-cancer PDT treatment procedure involves the instillation of a water-based solution of Theralase’s lead anti-cancer PDC, TLD-1433, through the urethra into the bladder of the patient, to allow the PDC to be preferentially absorbed by NMIBC tumours. The bladder is then drained of the solution, flushed with sterile water to remove non-absorbed solution and refilled with sterile water via a cystoscope. A fibre optic assembly, known as a Dosimetry Fibre Optic Cage (“DFOC”) with the ability to both emit and detect laser light, is inserted through the cystoscope, to activate the absorbed PDC, for the intended destruction of the NMIBC tumours.

The Company is planning to meet with its Medical and Scientific Advisory Board (“MSAB”) in May 2018 to discuss the results of the Phase Ib study and to finalize the design of a Health Canada and FDA Phase II NMIBC clinical study, with a primary endpoint of efficacy.

About Theralase Technologies Inc.

Theralase® is a clinical stage pharmaceutical company dedicated to the research and development of light activated Photo Dynamic Compounds and their associated drug formulations to safely and effectively destroy various cancers.  The Company in its Cool Laser Division designs, manufactures and distributes patented and proprietary super-pulsed cool laser technology for the treatment of knee pain, and in off-label use, the treatment of numerous nerve, muscle and joint conditions.

Additional information is available at www.theralase.com and www.sedar.com.

This news release contains "forward-looking statements" which reflect the current expectations of management of the Corporation’s future growth, results of operations, performance and business prospects and opportunities. Such statements include, but are not limited to, statements regarding Theralase’s proposed development plans with respect to Photo Dynamic Compounds and their drug formulations. Wherever possible, words such as "may", "would", "could", “should”, "will", "anticipate", "believe", "plan", "expect", "intend", "estimate", "potential for" and similar expressions have been used to identify these forward-looking statements. These statements reflect management's current beliefs with respect to future events and are based on information currently available to management. Forward-looking statements involve significant risks, uncertainties and assumptions including with respect to the ability of Theralase to: successfully fund and complete the Phase Ib NMIBC clinical study, secure the requisite regulatory approvals to commence and fund a Phase II NMIBC clinical study and implement its development plans. Many factors could cause the Corporation’s actual results, performance or achievements to be materially different from any future results, performance or achievements that may be expressed or implied by such forward-looking statements; including, without limitation, those listed in the filings made by the Corporation with the Canadian securities regulatory authorities (which may be viewed at www.sedar.com). Should one or more of these risks or uncertainties materialize or should assumptions underlying the forward looking statements prove incorrect, actual results, performance or achievements may vary materially from those expressed or implied by the forward-looking statements contained in this news release. These factors should be considered carefully and prospective investors should not place undue reliance on the forward-looking statements. Although the forward-looking statements contained in the press release are based upon what management currently believes to be reasonable assumptions, the Corporation cannot assure prospective investors that actual results, performance or achievements will be consistent with these forward-looking statements. The Corporation disclaims any intention or obligation to revise forward-looking statements whether as a result of new information, future developments or otherwise except as required by law. All forward-looking statements are expressly qualified in their entirety by this cautionary statement.

Neither TSX Venture Exchange nor its Regulation Services Provider (as that term is defined in the policies of the TSX Venture Exchanges) accepts responsibility for the adequacy or accuracy of this release.

For More Information:

1.866.THE.LASE (843-5273)

416.699.LASE (5273)

info@theralase.com

www.theralase.com

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