Athersys — Update 30 June 2016

Athersys — Update 30 June 2016

Athersys

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Athersys

On track for a big Japanese trial

Quarterly update

Pharma & biotech

30 June 2016

Price

US$2.12

Market cap

US$177m

Net cash ($m) at 31 March 2016

30.4

Shares in issue

84.1m

Free float

98%

Code

ATHX

Primary exchange

NASDAQ

Secondary exchange

N/A

Share price performance

%

1m

3m

12m

Abs

(7.4)

(12.4)

79.7

Rel (local)

(6.2)

(13.1)

78.5

52-week high/low

US$2.6

US$1.0

Business description

Athersys is a US biotech company developing MultiStem (allogeneic, bone marrow-derived stem cells). A Phase II trial with MultiStem in ischemic stroke has completed. The company has ongoing Phase II clinical trials for AMI and ARDS and a Japanese registration trial for stroke is planned.

Next events

Japan stroke trial initiation

Q416

AMI data

Q416

Analysts

Maxim Jacobs

+1 646 653 7027

Nathaniel Calloway

+1 646 653 7036

Athersys is a research client of Edison Investment Research Limited

Athersys and its Japanese development partner Healios are on track to begin a 150-200 patient registration trial for MultiStem in stroke in Japan. We expect the company to file an IND with the Japanese Pharmaceuticals and Medical Devices Agency (PMDA) in mid-summer and begin enrolling patients in Q416. Importantly, a successful trial of this size could enable them to gain full approval in Japan instead of conditional approval and could potentially be used as part of a registration package in the US.

Year end

Revenue ($m)

PBT*
($m)

EPS*
($)

DPS
($)

P/E
(x)

Yield
(%)

12/14

1.6

(28.9)

(0.37)

0.0

N/A

N/A

12/15

11.9

(17.2)

(0.21)

0.0

N/A

N/A

12/16e

16.5

(16.4)

(0.19)

0.0

N/A

N/A

12/17e

0.0

(34.1)

(0.39)

0.0

N/A

N/A

Note: *PBT and EPS are normalised, excluding amortization of acquired intangibles, exceptional items and share-based payments.

Japanese stroke trial design

Based on discussions with the PMDA, Athersys reported that the trial will likely have 150-200 participants, making this the largest MultiStem trial to date. The PMDA agreed to evaluate the proportion of “excellent outcomes” at 90 days as the primary endpoint, which was significant following subgroup analysis of patients treated 36 hours after stroke who did not receive tissue plasminogen activator and mechanical reperfusion. Note this endpoint was significant (p=0.02) for the entire intent-to-treat population at one year.

Larger trial has multiple benefits

While the trial size is larger than originally expected, there are several benefits. First, it increases the powering and therefore the chance of success. Second, a successful trial of this size would increase the chances of receiving full approval in Japan instead of conditional/time-limited approval, which would require reapplication within seven years. Third, and most importantly, this has the potential to be used as part of a registration package with the FDA, which may mean the need for only one pivotal trial in the US. Were that to be the case, our current estimate for a 2021 US launch could prove conservative.

Valuation: $394m or $4.68 per basic share

Our valuation has increased to $394m or $4.68 per basic share ($4.57 per diluted share) from $373m or $4.48 per basic share ($4.39 per diluted share). This is driven by an increase in the probability of success to 40% from 30% for MultiStem in Japan and advancing our NPV to Q116, but was offset by the realization and spending of the $15m Healios upfront payment, as well as an increase in estimated clinical trial costs ($1m per indication in both 2016 and 2017) for the AMI and ARDS Phase II programs. We forecast an additional $150m in capital needs (including $50m through to year-end 2017) before profitability in 2020. We expect to update our valuation upon further regulatory clarity from the FDA and EMA as well as potential partnering activity in the US and EU.

Corporate update

Japanese stroke program

In January 2016, Athersys announced a collaboration with the Japanese regenerative medicine company Healios to develop MultiStem in Japan. The deal included a $15m upfront payment, $215m in additional milestones and double-digit royalties. Healios will be responsible for all Japanese development, although Athersys will manufacture MultiStem for the clinical trials.

This partnership was formed to take advantage of the favorable Japanese regulatory environment surrounding regenerative medicine. In order to encourage the development of regenerative medicine therapies for its ageing population, the Japanese Pharmaceuticals and Medical Devices Agency (PMDA) has initiated a policy that allows for the market approval of products with consistent safety and meaningful evidence of efficacy, although not necessarily to a level of statistical significance. This was part of a broader effort by the PMDA to accelerate approval times as the PMDA had been known as one of the slowest agencies to approve drugs (see Exhibit 1).

Exhibit 1: Approval times across six regulatory agencies

Source: PMDA, Center for Innovation in Regulatory Science

In September 2015, the first regenerative stem cell therapy was approved under the new program: Temcell from Mesoblast with Japanese partner JCR Pharmaceutical. Temcell is a mesenchymal stem cell therapy for acute graft vs host disease (aGvHD). The approval of Temcell gives a first window into the PDMA’s decision process for this program. Temcell (at the time under the name Prochymal and in development by Osiris) underwent a Phase III trial in which it failed to show any statistical significance in the steroid refractory aGvHD patients (35% vs 30% response rate, p values not released) and trended towards no effect as a first-line treatment (45% vs 46%, p values not released). However, a post-hoc analysis revealed that the steroid refractory per-protocol population approached significance (76% vs 47%, p=0.087) and the gastrointestinal (GI) subgroup showed significance (88% vs 64%, p=0.018). These data were supported for Japanese approval with a 25-person, open-label study of Japanese steroid refractory GvHD patients showing a 60% response rate. Based on this evidence, Temcell received complete market approval in Japan for aGvHD.

Athersys has announced the initial design for the Japanese trial following discussions with Healios and the PMDA. The current target is 150 to 200 stroke patients, which would make this the largest MultiStem trial to date. In terms of timing, we expect the company to file an IND with the PMDA in mid-summer and begin enrolling patients in Q416.

The company indicated that the inclusion criteria for the trial would be informed by the subgroup analysis of the previous clinical trial. We interpret this as meaning the trial will only include patients who are treated with MultiStem 18-36 hours post-stroke, because reduced efficacy was seen in patients receiving treatment beyond 36 hours in the previous clinical trial. Right now, it seems likely the trial will exclude patients who receive both tissue plasminogen activator (tPA) and mechanical reperfusion (MR), since recent studies show that these patients generally experience better outcomes. The primary endpoint will be the proportion of “excellent outcomes” at 90 days, which corresponds to an improvement in each of the three clinical diagnostic scales used in this and many other stroke studies: NIH Stroke Scale, modified Rankin Scale, and the Barthel Index (Exhibit 2).

Exhibit 2: Stroke severity metrics

Metric

Scale

Description

NIH Stroke Scale (NIHSS)

0-42

A measure of neurological impairment based on the assessment of 11 different items including level of consciousness, motor issues, and the ability to recall everyday details such as the month.

Modified Rankin Scale (mRS)

0-6

A measure of morbidity roughly describing the level of disability ranging from symptomless (0) to bedridden and incontinent (5) or death (6).

Barthel Index (BI)

0-100

A measure of the degree of independence. Patients must be able to perform 10 specific daily tasks such as grooming, feeding, and bowel/bladder control.

Source: National Institutes of Health

This is a different primary endpoint than was used in the Phase II trial (which used the global test statistic, a combined measure of change across multiple parameters). The Phase II trial also measured the number of excellent outcomes 90 days post-treatment, and the proportion of excellent outcomes showed statistical significance in the subset of patients receiving MultiStem in under 36 hours who did not receive tPA and MR. At one year, the excellent outcome results improved for all treated patients (23.1% vs 8.2%, p=0.02) as well as those treated within 36 hours of the stroke who did not receive both tPA and MR (29.6% vs 5.8%, p<0.01) (Exhibit 3).

Exhibit 3: Excellent outcomes in MultiStem Phase II trial at 90 days and one year

Source: Athersys. Note: *Excluding patients receiving tissue plasminogen activator and mechanical reperfusion.

The design of the trial is larger than originally expected, especially due to the Temcell precedent of approval from a 25-person study. However, investing in a larger trial has numerous benefits. First, it increases the power of the trial, which increases its probability of success (hence we increased our probability of success for the MultiStem in Japan from 30% to 40%). Second, even if the trial misses statistical significance, strong trends could give Japanese regulators enough confidence that they have seen the “signal of effectiveness” necessary under the new framework to approve it despite the primary endpoint miss. Third, a successful trial of this size would increase the chances of receiving full approval in Japan instead of conditional/time-limited approval, which would require reapplication within seven years. Fourth, and most importantly, this has the potential to be used as part of a registration package with the FDA, which may mean the need for only one pivotal trial in the US. Currently our base case is that two US pivotal trials would be needed and that approval occurs in 2021. However if the FDA is willing to accept the Japanese data due to the fact that acute treatment is currently limited to just 5-8% of treatable patients and hence a major unmet medical need, our current US launch estimate could prove conservative.

ARDS and AMI going slowly

Outside of stroke, Athersys has two ongoing Phase II clinical trials. The company has a trial studying MultiStem for the treatment of acute myocardial infarction (AMI) and in Q116 it initiated a study to investigate the therapy for acute respiratory distress syndrome (ARDS). On the Q116 conference call, the company indicated that these two trials were progressing more slowly than initially expected. The company is attempting to mitigate the slow enrolment by increasing the number of clinical trial sites. At this time, we are not delaying our projections for these two programs, although we have modestly increased the costs for the Phase II trials (by approximately $1m per program). It should be noted that both of these clinical trials are supported through grant funding: $2.8m from the NIH for AMI, and £2.0m from Innovate UK for ARDS, which significantly offsets the cost to the company for these trials.

Valuation

Our valuation has increased to $394m or $4.68 per basic share ($4.57 per diluted share) from $373m or $4.48 per basic share ($4.39 per diluted share). This is driven by an increase in the probability of success to 40% from 30% for MultiStem in Japan and advancing our NPV to Q116, but was offset by the realization and spending of the $15m Healios upfront payment, as well as an increase in estimated clinical trial costs ($1m per indication in both 2016 and 2017) for the AMI and ARDS Phase II programs. The valuation of the Japanese stroke program has been reduced to reflect the realization of the $15m upfront payment from Healios. Our remaining parameters remain unchanged. We expect to update our valuation upon further regulatory clarity from the FDA and EMA as well as potential partnering activity in the US and EU.

Exhibit 4: Athersys valuation table

MultiStem Indication

Status

Prob. of success

Launch year

Peak sales ($m)

Patent/exclusivity protection

Royalty

rNPV

Ischaemic stroke (US)

Phase II

25%

2021

1,798

2032

15%

$95

Ischaemic stroke (EU)

Phase II

25%

2021

1,298

2030

15%

$63

Ischaemic stroke (Japan)

Phase II

40%

2019

533

2028

18%

$90

AMI (USA)

Phase II

25%

2022

2,142

2032

15%

$92

ARDS (US/EU)

Phase IIa

15%

2024

1,342

2032

15%

$24

Total

 

 

 

 

 

 

$363

Cash and cash equivalents (Q116) ($m)

$30.4

Total firm value ($m)

$394

Total basic shares (m)

84.09

Value per basic share ($)

$4.68

Stock options and Warrants (3/2016, m)

2.1

Total number of shares

86.2

Diluted value per share ($)

$4.57

Source: Edison Investment Research

Financials

Athersys reported $15.5m in revenue for Q116, the majority of which ($15m) was due to the Healios upfront licensing payment. This income resulted in net income of $4.8m and the company ended the quarter with $30.4m in cash. The company increased operational spending from $7.1m in Q415 to $8.7m, largely due to increases in R&D spending associated with clinical costs and manufacturing, presumably in preparation for the upcoming Japanese trial.

We have made changes to our revenue forecasts because we previously amortized the Healios upfront payment, and it is now accounted for entirely in Q116. We have increased our estimates for R&D spending in 2016 and 2017 by approximately $2m each year to account for the increase in trial sites for the AMI and ARDS trials. We have also increased our SG&A forecasts slightly following the Q116 results. We expect that Athersys will end 2016 with $9m in net cash, compared to our previous estimate of $10m, and we have not changed our assumption that the company will need an additional $150m in funding before profitability in 2020.

Exhibit 5: Financial summary

$000s

2012

2013

2014

2015

2016e

2017e

Year end 31 December

US GAAP

US GAAP

US GAAP

US GAAP

US GAAP

US GAAP

PROFIT & LOSS

Revenue

 

 

8,708

2,438

1,623

11,948

16,536

0

Cost of Sales

0

0

0

0

0

0

Gross Profit

8,708

2,438

1,623

11,948

16,536

0

Research and development

(19,636)

(20,484)

(23,366)

(21,316)

(25,062)

(25,814)

Selling, general & administrative

(4,753)

(6,065)

(6,909)

(7,536)

(7,834)

(8,069)

EBITDA

 

 

(17,493)

(24,776)

(29,336)

(17,499)

(16,911)

(34,433)

Operating Profit (before GW and except.)

(17,173)

(24,430)

(28,976)

(17,232)

(16,421)

(34,154)

Intangible Amortisation

0

0

0

0

0

0

Exceptionals/Other

0

0

0

0

0

0

Operating Profit

(17,173)

(24,430)

(28,976)

(17,232)

(16,421)

(34,154)

Net Interest

34

11

50

0

0

15

Other (change in fair value of warrants)

2,404

(6,324)

6,591

772

(2,181)

0

Profit Before Tax (norm)

 

 

(17,139)

(24,419)

(28,926)

(17,232)

(16,421)

(34,140)

Profit Before Tax (IFRS)

 

 

(14,735)

(30,743)

(22,335)

(16,460)

(18,602)

(34,140)

Tax

0

0

253

38

36

36

Deferred tax

0

0

0

0

0

0

Profit After Tax (norm)

(17,139)

(24,419)

(28,673)

(17,194)

(16,385)

(34,104)

Profit After Tax (IFRS)

(14,735)

(30,743)

(22,082)

(16,422)

(18,566)

(34,104)

Average Number of Shares Outstanding (m)

32.6

57.7

77.0

82.1

85.4

86.4

EPS - normalised ($)

 

 

(0.53)

(0.42)

(0.37)

(0.21)

(0.19)

(0.39)

EPS - IFRS ($)

 

 

(0.45)

(0.53)

(0.29)

(0.20)

(0.22)

(0.39)

Dividend per share ($)

0.0

0.0

0.0

0.0

0.0

0.0

BALANCE SHEET

Fixed Assets

 

 

1,294

1,333

1,470

1,312

1,114

1,127

Intangible Assets

0

0

0

0

0

0

Tangible Assets

1,294

1,333

1,270

1,135

930

943

Other

0

0

200

177

184

184

Current Assets

 

 

26,309

32,855

27,248

23,817

30,225

29,042

Stocks

0

0

0

0

0

0

Debtors

490

520

694

361

706

706

Cash

25,533

31,948

26,127

23,027

29,093

27,874

Other

286

387

427

429

426

462

Current Liabilities

 

 

(4,478)

(4,368)

(4,692)

(4,756)

(4,025)

(3,729)

Creditors

(4,478)

(4,368)

(4,692)

(4,566)

(4,025)

(3,729)

Short term borrowings

0

0

0

(190)

0

0

Long Term Liabilities

 

 

(2,878)

(9,999)

(3,131)

(649)

(22,830)

(52,830)

Long term borrowings

(169)

(176)

(183)

0

(20,000)

(50,000)

Other long term liabilities

(2,709)

(9,823)

(2,948)

(649)

(2,830)

(2,830)

Net Assets

 

 

20,247

19,821

20,895

19,724

4,484

(26,390)

CASH FLOW

Operating Cash Flow

 

 

(17,665)

(22,784)

(25,791)

(13,764)

(13,900)

(30,942)

Net Interest

0

0

0

0

0

15

Tax

0

0

0

0

0

0

Capex

(347)

(385)

(297)

(132)

(285)

(292)

Acquisitions/disposals

0

0

0

0

0

0

Financing

30,357

29,584

20,267

10,796

251

0

Dividends

0

0

0

0

0

0

Other

0

0

0

0

0

0

Net Cash Flow

12,345

6,415

(5,821)

(3,100)

(13,934)

(31,219)

Opening net debt/(cash)

 

 

(12,784)

(25,364)

(31,772)

(25,944)

(22,837)

(9,093)

HP finance leases initiated

0

0

0

0

0

0

Exchange rate movements

0

0

0

0

0

0

Other

235

(7)

(7)

(7)

190

0

Closing net debt/(cash)

 

 

(25,364)

(31,772)

(25,944)

(22,837)

(9,093)

22,126

Source: Edison Investment Research, Athersys accounts

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