Delaware
|
0-24006
|
94-3134940
|
||
(State
or Other Jurisdiction
of
Incorporation)
|
(Commission
File
Number)
|
(IRS
Employer
Identification
No.)
|
¨
|
Written communications pursuant
to Rule 425 under the Securities Act (17 CFR
230.425)
|
¨
|
Soliciting material pursuant to
Rule 14a-12 under the Exchange Act (17 CFR
240.14a-12)
|
¨
|
Pre-commencement communications
pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR
240.14d-2(b))
|
¨
|
Pre-commencement communications
pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR
240.13e-4(c))
|
Item 2.02
|
Results
of Operations and Financial
Condition
|
Item 9.01
|
Financial
Statements and Exhibits
|
Exhibit
No.
|
|
Description
|
99.1
|
|
Press
release titled “NKTR-102 Has High Response Rate and Sustained Clinical
Benefit in 48 Percent of Women with Platinum-Resistant/Refractory Ovarian
Cancer” issued by Nektar Therapeutics on June 6,
2010.
|
By:
|
/s/ Gil M. Labrucherie
|
|
Gil
M. Labrucherie
|
||
General
Counsel and Secretary
|
||
Date:
|
June
7, 2010
|
Exhibit
No.
|
|
Description
|
99.1
|
|
Press
release titled “NKTR-102 Has High Response Rate and Sustained Clinical
Benefit in 48 Percent of Women with Platinum-Resistant/Refractory Ovarian
Cancer” issued by Nektar Therapeutics on June 6,
2010.
|
NKTR-102
145 mg/m2 q14d
(N=36)
|
NKTR-102
145mg/m2 q21d
(N=35)
|
Total (N=71)
|
||||||||||
Prior
Lines of Therapy (median)
|
3 | 3 | 3 | |||||||||
Previous
Platinum Regimens
|
||||||||||||
1
|
33 | % | 31 | % | 32 | % | ||||||
2
|
44 | % | 40 | % | 42 | % | ||||||
3
|
17 | % | 14 | % | 16 | % | ||||||
4+
|
6 | % | 14 | % | 10 | % | ||||||
Prior
PLD
|
44 | % | 49 | % | 47 | % | ||||||
Prior
bevacizumab
|
11 | % | 14 | % | 13 | % | ||||||
Prior
gemcitabine
|
39 | % | 46 | % | 42 | % | ||||||
Prior
taxane
|
97 | % | 94 | % | 96 | % |
NKTR-102
|
NKTR-102
|
|||
145 mg/m2
q14d
|
145 mg/m2
q21d
|
|||
RECIST
|
||||
N
(evaluable)
|
33
|
31
|
||
Confirmed
+ Unconfirmed
|
8
(24%)
|
9
(29%)
|
||
Confirmed
|
7
(21%)
|
7
(23%)
|
||
GCIG
|
||||
N
(evaluable)
|
34
|
34
|
||
Confirmed
+ Unconfirmed
|
14
(41%)
|
14
(41%)
|
||
Confirmed
|
10
(29%)
|
13
(38%)
|
||
CA-125
|
||||
N
(evaluable)
|
29
|
29
|
||
Confirmed
|
11
(38%)
|
11
(38%)
|
||
Clinical
Benefit Rate (CR+PR+[SD≥3 months])
|
||||
N
(evaluable)
|
33
|
31
|
||
Confirmed
RECIST
|
17
(52%)
|
14
(45%)
|
NKTR-102
|
NKTR-102
|
||||||||||||
145 mg/m2 q14d
|
145 mg/m2 q21d
|
||||||||||||
Platinum-free interval (PFI)
|
≤ 30
days
|
≤ 91
days
|
31-182
days
|
≤ 30
days
|
≤ 91 days
|
31-182
days
|
|||||||
RECIST
|
|||||||||||||
N
(evaluable)
|
14
|
19
|
19
|
18
|
25
|
13
|
|||||||
Confirmed
+ Unconfirmed
|
0
|
4
(21%)
|
8
(42%)
|
4
(22%)
|
5
(20%)
|
5
(39%)
|
|||||||
Confirmed
|
0
|
3
(16%)
|
7
(37%)
|
3
(17%)
|
4
(16%)
|
4
(31%)
|
|||||||
GCIG
|
|||||||||||||
N
(evaluable)
|
14
|
20
|
20
|
20
|
28
|
14
|
|||||||
Confirmed
+ Unconfirmed
|
4
(29%)
|
8
(40%)
|
10
(50%)
|
7
(35%)
|
10
(36%)
|
7
(50%)
|
|||||||
Confirmed
|
1
(7%)
|
5
(25%)
|
9
(45%)
|
7
(35%)
|
10
(36%)
|
6
(43%)
|
NKTR-102
|
NKTR-102
|
|||||
145 mg/m2 q14d
|
145 mg/m2 q21d
|
|||||
Prior
PLD
|
RECIST
|
|||||
N
(evaluable)
|
15
|
14
|
||||
Confirmed
+ Unconfirmed
|
4
(27%)
|
6
(43%)
|
||||
Confirmed
|
3
(20%)
|
4
(29%)
|
||||
No
Prior PLD
|
RECIST
|
|||||
N
(evaluable)
|
18
|
17
|
||||
Confirmed
+ Unconfirmed
|
4
(22%)
|
3
(18%)
|
||||
Confirmed
|
4
(22%)
|
3
(18%)
|
Most Common* Drug-related
Grade 3 and 4 AEs*
|
NKTR-102
|
NKTR-102
|
||||||||||||||
•>5% overall
|
q14d | q21d | ||||||||||||||
(N = 36)
|
(N = 35)
|
|||||||||||||||
Grade 3
|
Grade 4
|
Grade 3
|
Grade 4
|
|||||||||||||
Diarrhea
|
25 | % | 0 | % | 14 | % | 0 | % | ||||||||
Dehydration
|
22 | % | 0 | % | 6 | % | 0 | % | ||||||||
Hypokalemia
|
17 | % | 3 | % | 9 | % | 0 | % | ||||||||
Fatigue
|
6 | % | 0 | % | 14 | % | 0 | % | ||||||||
Nausea
|
14 | % | 0 | % | 3 | % | 0 | % | ||||||||
Vomiting
|
11 | % | 0 | % | 3 | % | 0 | % | ||||||||
Abdominal
pain
|
6 | % | 0 | % | 6 | % | 0 | % | ||||||||
Hyponatremia
|
8 | % | 0 | % | 3 | % | 0 | % | ||||||||
Neutropenia
|
6 | % | 0 | % | 6 | % | 3 | % |
|
·
|
Lorianne
Masouka, M.D., Senior Vice President and Chief Medical Officer of Nektar
Therapeutics;
|
|
·
|
Prof.
Dr. Ignace Vergote, Lead Investigator for the Phase 2 clinical trial of
NKTR-102 and Head of the Department of Obstetrics and Gynaecology and
Gynaecologic Oncology at the Catholic University of Leuven, European
Union;
|
|
·
|
J.
Tate Thigpen, M.D., Professor of Medicine and Director, Division of
Medical Oncology at University of Mississippi Medical
Center;
|
|
·
|
Robert
Coleman, M.D., Director of Clinical Research, Department of Gynecologic
Oncology, The University of Texas MD Anderson Cancer Center, Houston,
Texas; and
|
|
·
|
Daniel
Von Hoff, M.D., Chief Scientific Officer, TGen Clinical Research Services
at Scottsdale Healthcare and U.S.
Oncology.
|
Jennifer Ruddock/Nektar Therapeutics
|
(650) 631-4954
|
Susan Noonan/S.A. Noonan Communications
|
(212) 966-3650
|
Nektar Media Inquiries:
|
|
Karen Bergman/BCC Partners
|
(650) 575-1509
|
Michelle Corral/BCC Partners
|
(415) 794-8662
|