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Also known as LY573636-sodium, Tasisulam, Tasisulam-sodium
LY573636 · 9 trials · 11 indications
Objective overall response is complete response (CR) + partial response (PR), as classified by the investigators according to the Response Evaluation Criteria In Solid Tumors (RECIST) guidelines. CR is disappearance of all target and non-target lesions; PR is ≥30% decrease in sum of longest diameter of target lesions. It is calculated as a total number of participants with CR or PR divided by the total number of participants treated multiplied by 100.
Defined as the time from date of first dose to the first observation of progression of disease (PD) or death due to any cause. PD was determined using the Response Evaluation Criteria In Solid Tumors (RECIST) criteria (version 1.0). PD is ≥20% increase in sum of longest diameter of target lesions and/or a new lesion.
Objective response is complete response (CR) + partial response (PR), as classified by the investigators according to the Response Evaluation Criteria In Solid Tumors (RECIST) guidelines. CR is disappearance of all target and non-target lesions; PR is ≥30% decrease in sum of longest diameter of target lesions. Objective response rate is calculated as a total number of participants with CR or PR divided by the total number of participants treated multiplied by 100.
Participants achieved an objective response if they had a best overall response of complete response (CR) or partial response (PR). According to Response Evaluation Criteria in Solid Tumors v1.1 (RECIST v1.1), CR was the disappearance of all non-nodal target lesions, with the short axes of any target lymph node reduced to \<10 mm, the disappearance of all non-target lesions, and the normalization of tumor marker levels (if tumor markers were initially above the upper limit of normal); PR was defined as at least a 30% decrease in the sum of the diameters of target lesions (including the short axes of any target lymph node), taking as reference the baseline sum diameter. For each participant who is not known to have died or to have had objective progression of disease as of the data-inclusion cut-off date for a particular analysis, duration of tumor response was to be censored at the date of the participant's last objective tumor assessment prior to that cut-off date.
Defined as the time from date of first dose to the first observation of progression of disease (PD) or death from study disease. PD was determined using the Response Evaluation Criteria In Solid Tumors (RECIST) criteria (version 1.0). PD is ≥20% increase in sum of longest diameter of target lesions and/or a new lesion.
Recommended Phase 2 dose was determined by maximum tolerated dose (MTD), which is corrected for the participant's predose albumin to identify the albumin-corrected exposure range of LY 573636 when combined with liposomal doxorubicin. MTD is the highest dose with \<33% of participants having a dose-limiting toxicity (DLT) in the first 28-day cycle of treatment. DLT is an adverse event (AE) that is likely related to the study drug or combination and fulfills any 1 of the following: Common Terminology Criteria for AE (CTCAE, Version 3.0) Grade (Gr) 4 hematologic toxicity; Gr 3 nonhematologic toxicity (excluding controllable nausea/vomiting or diarrhea and alopecia); Gr 3 electrolyte toxicity that is not resolved with standard treatments. Those who enter the study with Gr 2 hepatic enzyme abnormalities, DLT for an isolated Gr 3 hepatic enzyme abnormality is determined by investigators; a DLT can be declared if a participant experiences increasing toxicity during treatment.
Recommended Phase 2 dose was determined by maximum tolerated dose (MTD). MTD is the highest dose at which no more than 1 of 6 participants experienced a dose-limiting toxicity (DLT) and level immediately below that which had ≥2 instances of DLT. A DLT is an adverse event (AE) observed during the first cycle of treatment that is believed to be related to LY573636 and fulfills any of the following: ET only , Common Terminology Criteria for AE (CTCAE, Version 3.0) Grade (Gr) 4 hematologic toxicity for ≥3 days; For all, ≥Gr 3 nonhematological toxicity except for nausea/vomiting or diarrhea unless it fits the next criteria; ≥Gr 3 nausea, vomiting, or diarrhea that persists \>7 days despite maximal treatment; Gr 3 electrolyte disturbances that persist despite maximal measures; DLT can be declared if a participant experienced increasing toxicity during treatment. The primary outcome measure was not analyzed because the enrollment was stopped early before MTD was reached.
Recommended Phase 2 dose was determined by maximum tolerated dose (MTD). MTD is the highest dose with \<33% of participants having a dose-limiting toxicity (DLT) during the first 6-week cycle of treatment. DLT is an adverse event (AE) that is likely related to study drug or combination and fulfills any 1 of the following: Common Terminology Criteria for AE (CTCAE, Version 3.0) Grade (Gr) 4 neutropenia lasting ≥5 days; Gr 4 neutropenia with fever; Gr 4 thrombocytopenia; Gr ≥3 thrombocytopenia with bleeding; Gr ≥3 nonhematologic toxicity (excluding controllable nausea/vomiting or diarrhea and alopecia); Gr 3 electrolyte toxicity that is not resolved with standard treatments; Gr ≥3 elevated hepatic enzyme abnormalities in the setting of preexisting hepatic metastasis may not be considered a DLT; a DLT can be declared if a participant experiences increasing toxicity during treatment.
| Arm | Type | Description |
|---|---|---|
| LY573636-sodium | EXPERIMENTAL | - |
| LY573636 | EXPERIMENTAL | - |
| Tasisulam | EXPERIMENTAL | - |
| LY573636 + Liposomal Doxorubicin | EXPERIMENTAL | - |
| LY573636 +sunitinib | EXPERIMENTAL | - |
| Experimental: Pemetrexed followed by LY573636 | EXPERIMENTAL | Pemetrexed on Day 1 followed by LY573636 on Day 4 |
| Experimental: LY573636 followed by Pemetrexed | EXPERIMENTAL | LY573636 on Day 1, pemetrexed on Day 4 |
| Experimental: LY573636 and Pemetrexed on Day 1 | EXPERIMENTAL | LY573636 and Pemetrexed on Day 1 |
| Name | Type | Description |
|---|---|---|
| LY573636-sodium | DRUG | Dose is adjusted to target a specific maximum concentration (Cmax) based on patient laboratory parameters, administered intravenously every 28 days until disease progression or other criteria for patient discontinuation are met |
| tasisulam | DRUG | Tasisulam dose is dependent on participant's height, weight, and gender and is adjusted to target a specific Cmax based on participant laboratory parameters. Tasisulam is administered intravenously every 28 days until disease progression or other criteria for participant discontinuation are met. |
| Liposomal Doxorubicin | DRUG | 40 mg/m² on Day 1, given intravenously of each 28-day cycle Participants may continue on study drug until disease progression, unacceptable toxicity, cumulative dose of 550 mg/m² of liposomal doxorubicin or doxorubicin is reached, or other withdrawal criterion are met. |
| Drug: LY573636-sodium | DRUG | Participant specific dose based on height, weight and gender to target a specific exposure range, administered intravenously on Day 4 of a 42-day (6-week) cycle. Dose will be escalated to reach the maximum tolerated dose (MTD). A cohort of participants enrolled after MTD will receive albumin-tailored doses. Participants may continue on treatment until clinical or objective disease progression. |
| Sunitinib | DRUG | 37.5 or 50 milligrams (mg), administered orally, daily for a 42-day (6-week) cycle. Participants may continue on treatment until clinical or objective disease progression. |
| LY573636 | DRUG | Individualized dose is dependent on a patient's height, weight, and gender and is adjusted to target a specific exposure range corrected for a patient's laboratory parameters. Intravenous dosing is completed once per cycle (cycle equals either 21 or 28 days). Patients may continue on study drug until disease progression, unacceptable toxicity, or other withdrawal criteria are met. Patients are pretreated with folic acid \[350 micrograms (µg) to 1000 µg orally, daily\], Vitamin B12 (1000 µg intramuscular injection every 9 weeks), and dexamethasone \[4 milligrams (mg) orally, twice daily or equivalent\]. |
| Pemetrexed | DRUG | 375 to 500 milligrams per square meter (mg/m\^2), intravenous dosing is completed once per cycle (cycle equals either 21 or 28 days). Patients may continue on study drug until disease progression, unacceptable toxicity, or other withdrawal criteria are met. Patients are pretreated with folic acid (350 µg to 1000 µg orally, daily), Vitamin B12 (1000 µg intramuscular injection every 9 weeks), and dexamethasone (4 mg orally, twice daily or equivalent). |
Inclusion Criteria: * Received at least 2 or more prior chemotherapy regimens for metastatic breast cancer. * Have discontinued all previous therapies for cancer, including chemotherapy, radiotherapy, cancer-related hormonal therapy, or other investigational therapy for at least 4 weeks. Patients w...
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LY573636 is an investigational small molecule oncology drug developed by Eli Lilly and Company. It has been studied in Phase 1 and Phase 2 clinical trials in patients with several types of cancer, including breast cancer, metastatic renal cell cancer, and solid tumors. It is not described as an approved therapy.
LY573636 has been studied in clinical trials for several cancers: acute myeloid leukemia, breast cancer, metastatic renal cell cancer, non-small-cell lung cancer, ovarian cancer, and soft tissue sarcoma. All of these studies were conducted in adult patients and the drug remains investigational.
LY573636 is developed by Eli Lilly and Company, which trades on the New York Stock Exchange under the ticker LLY. Lilly sponsored the Phase 1 and Phase 2 trials of the drug in solid tumors, metastatic renal cell cancer, and metastatic breast cancer.
LY573636 is in Phase 1 development, with Phase 1 trials completed in solid tumors and metastatic renal cell cancer. One Phase 2 study in metastatic breast cancer has also been completed. No trials of LY573636 are currently active, and the drug is investigational rather than approved.
Completed trials include NCT01258348, a Phase 1b study in metastatic renal cell cancer with 21 patients; NCT01215916, a Phase 1 study in solid tumors with 39 patients; NCT01214668, a Phase 1 dose-escalation study combining LY573636-sodium with liposomal doxorubicin in advanced solid tumors with 31 patients; and NCT00992225, a Phase 2 study in metastatic breast cancer with 43 patients.
Yes. LY573636-sodium is the sodium salt form of LY573636 and is the name used in several of its clinical trial titles, including the dose-escalation study with liposomal doxorubicin and the study in metastatic breast cancer. Searches for either name refer to the same investigational Eli Lilly compound.