Claims for Patent: 8,501,423
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Summary for Patent: 8,501,423
Title: | Measuring circulating therapeutic antibody, antigen and antigen/antibody complexes using ELISA assays |
Abstract: | The present invention relates to the field of immunology and hyperproliferative diseases. More specifically, the present invention relates to a method of detecting and monitoring therapeutic antibody:antigen complex, soluble antigen and soluble therapeutic antibody, wherein a patient has undergone at least one course of immunotherapy. Yet further, levels of therapeutic antibody:antigen complexes, soluble antigens or soluble therapeutic antibodies may be measured and used to stage or monitor a hyperproliferative disease. |
Inventor(s): | Albitar; Maher (Sugar Land, TX), Keating; Michael J. (Houston, TX), Manshouri; Taghi (Houston, TX) |
Assignee: | Board of Regents, The University of Texas System (Austin, TX) |
Application Number: | 13/543,560 |
Patent Claims: | 1. A method of monitoring the progress of therapy in patient being treated with a therapeutic anti-CD52 antibody comprising testing a sample from the patient to measure the
level of circulating cell-free CD52, circulating cell-free anti-CD52 or circulating cell-free CD52/anti-CD52 complexes.
2. The method of claim 1, wherein the sample is selected from the group consisting of serum, cell lysate and plasma. 3. The method of claim 1, wherein the anti-CD52 antibody is Campath 1H. 4. The method of claim 1, wherein the sample is tested to measure the level of circulating cell-free CD52. 5. The method of claim 1, wherein the sample is tested to measure the level of circulating cell-free anti-CD52. 6. The method of claim 1, wherein the sample is tested to measure the level of circulating cell-free CD52/anti-CD52 complexes. |
Details for Patent 8,501,423
Applicant | Tradename | Biologic Ingredient | Dosage Form | BLA | Approval Date | Patent No. | Expiredate |
---|---|---|---|---|---|---|---|
Genzyme Corporation | CAMPATH | alemtuzumab | Injection | 103948 | 05/07/2001 | ⤷ Try a Trial | 2021-09-20 |
Genzyme Corporation | LEMTRADA | alemtuzumab | Injection | 103948 | 11/14/2014 | ⤷ Try a Trial | 2021-09-20 |
Genzyme Corporation | CAMPATH | alemtuzumab | Injection | 103948 | 10/12/2004 | ⤷ Try a Trial | 2021-09-20 |
>Applicant | >Tradename | >Biologic Ingredient | >Dosage Form | >BLA | >Approval Date | >Patent No. | >Expiredate |
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