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Biotech / Medical : MGI Pharma MOGN New patents, anti cancer

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From: tom pope12/14/2006 9:36:54 AM
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Merrill:

Aloxi in PONV positive, but small opportunity
Two phase 3 trials of Aloxi for the treatment of post-operative nausea and
vomiting (PONV) reported positive data for the prevention of nausea and vomiting
at 24 hours post-surgery (primary endpoint) and 48 & 72 hours post surgery
(secondary endpoints). We estimate that a label expansion for PONV could boost
Aloxi sales by $25 MM - $50 MM. But, because the Aloxi dose for PONV is 70%
lower than that used for chemotherapy-induced nausea and vomiting (CINV) and
because persistent nausea & vomiting is less common post-surgically than postchemo,
we do not expect sales for PONV to significantly expand Aloxi’s market.

Positive data on acute and persistent PONV
Data from the two phase 3 trials of 0.075 mg Aloxi in PONV met the primary and
secondary efficacy endpoints, but the company did not release specific response
rate data. MGI and partner Helsinn conducted two randomized phase 3 trials, with
a total of 1219 patients, to test the prevention of PONV in patients undergoing
elective outpatient abdominal or gynecological laparoscopic surgery (Study
PALO-04-06) or elective inpatient gynecological or breast surgery (Study PALO-
04-07). Patients received IV Aloxi or placebo prior to administration of anesthesia
and surgery. Safety data indicated that the adverse events were similar among
treatment groups, with headache and constipation the most common.

sNDA planned for 1H 2007
Based on the positive data for Aloxi in PONV, MGI And partner Helsinn expect to
submit a sNDA to FDA in 1H 2007. Aloxi is already approved for use in CINV at a
higher dose (0.25 mg for CINV vs 0.075 mg for PONV), so we expect approval in
1H08 following a standard 10 month review period.
Broader label could modestly increase hospital/clinic use…
We do not expect Aloxi approval in PONV to significantly increase sales of the
drug. However, the approval of Aloxi in PONV in 1H 2008 could modestly help
sales of the drug due to a broader label and ability for hospitals and clinics to
keep stock of the drug for two purposes – CINV and PONV.

…But, price may be more of a factor for PONV
Acute nausea and vomiting is more common and more of a problem than
persistent nausea and vomiting following surgery compared to chemotherapy in
which persistent nausea and vomiting is very common. As a result, hospitals &
clinics may be more inclined to continue to use drugs including Zofran or its
generics (as well as other anti-emetics), which will be significantly less expensive
than Aloxi, to prevent the acute nausea that is typical post-surgically.
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