IP Library Granted Patent US 9,220,790
Granted Patent B2
US 9,220,790 · App. 14/591,601 · Granted Dec 29, 2015

Multi-arm polymeric alkanoate conjugates

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Quick Facts
Patent No.
US 9,220,790
App. No.
14/591,601
Granted
Dec 29, 2015
Kind
B2
Abstract

Among other aspects, provided herein are multi-armed polymer conjugates comprising an alkanoate-linker, compositions comprising such conjugates, and related methods of making and administering the same. Methods of treatment employing such conjugates and related uses are also provided. The conjugates are prepared with high drug loading efficiencies.

Claims (5)

1. A method of treating a mammalian subject for a condition responsive to treatment with docetaxel, where the method comprises administering to the subject a therapeutically effective amount of a pharmaceutical composition comprising a multi-armed polymer conjugate having the structure,

where n ranges from about 40 to about 500 or a pharmaceutically acceptable salt thereof; and

a pharmaceutically acceptable excipient.

2. The method of claim 1 , wherein the weight average molecular weight of the conjugate is about 20,000 daltons.

3. The method of claim 1 , wherein the condition responsive to treatment with docetaxel is selected from the group consisting of breast cancer, ovarian cancer, colon cancer, colorectal cancer, prostate cancer, gastric cancer, malignant melanoma, small cell lung cancer, non-small cell lung cancer, thyroid cancers, kidney cancer, cancer of the bile duct, brain cancer, cancer of the head and neck, lymphomas, leukemias, rhabdomyosarcoma, and neuroblastoma.

Assignments (4)
RELEASE OF SECURITY INTEREST Recorded Apr 17, 2020
From: TC LENDING, LLC, AS COLLATERAL AGENT
To: NEKTAR THERAPEUTICS
Reel/Frame 053180/0009 →
RELEASE OF SECURITY INTEREST RECORDED AT REEL 35087, FRAME 0975 Recorded Oct 14, 2015
From: WELLS FARGO BANK, NATIONAL ASSOCIATION, AS COLLATERAL AGENT
To: NEKTAR THERAPEUTICS
Reel/Frame 036856/0567 →
GRANT OF SECURITY INTEREST IN UNITED STATES PATENTS Recorded Oct 6, 2015
From: NEKTAR THERAPEUTICS
To: TC LENDING, LLC, AS COLLATERAL AGENT
Reel/Frame 036796/0562 →
SECURITY INTEREST Recorded Mar 4, 2015
From: NEKTAR THERAPEUTICS
To: WELLS FARGO BANK, NATIONAL ASSOCIATION, AS COLLATERAL AGENT
Reel/Frame 035087/0975 →