solo para uso en investigación

Fimepinostat (CUDC-907) PI3K/HDAC inhibitor

Cat. No.: S2759

CUDC-907 is a dual PI3K and HDAC inhibitor for PI3Kα and HDAC1/2/3/10 with IC50 of 19 nM and 1.7 nM/5 nM/1.8 nM/2.8 nM, respectively. CUDC-907 induces cell cycle arrest and apoptosis in breast cancer cells. Phase 1.
Fimepinostat (CUDC-907) HDAC inhibitor Chemical Structure

Estructura química

Peso molecular: 508.55

Saltar a

Control de calidad (Quality Control)

Lote: Pureza: 99.98%
99.98

Cultivo celular, tratamiento y concentración de trabajo
(Cell Culture, Treatment & Working Concentration)

Líneas celulares Tipo de ensayo Concentración Tiempo de incubación Formulación Descripción de la actividad PMID
human Glioma cells (HF2885) Cytotoxicity assay 72 h Cytotoxicity against human Glioma cells (HF2885) after 72 hrs by CelltiterGlo assay, EC50=0.7 nM 26288699
human Glioma cells (HF3013) Cytotoxicity assay 72 h Cytotoxicity against human Glioma cells (HF3013) after 72 hrs by CelltiterGlo assay, EC50=0.7 nM 26288699
human Glioma cells (HF2876)  Cytotoxicity assay 72 h Cytotoxicity against human Glioma cells (HF2876) after 72 hrs by CelltiterGlo assay, EC50=0.7 nM 26288699
human Glioma cells (HF2790)  Cytotoxicity assay 72 h Cytotoxicity against human Glioma cells (HF2790) after 72 hrs by CelltiterGlo assay, EC50=0.7 nM 26288699
human Glioma cells (HF2476) Cytotoxicity assay 72 h Cytotoxicity against human Glioma cells (HF2476) after 72 hrs by CelltiterGlo assay, EC50=0.7 nM 26288699
human Glioma cells (HF2381) Cytotoxicity assay 72 h Cytotoxicity against human Glioma cells (HF2381) after 72 hrs by CelltiterGlo assay, EC50=0.7 nM 26288699
human Glioma cells (HF2303) Cytotoxicity assay 72 h Cytotoxicity against human Glioma cells (HF2303) after 72 hrs by CelltiterGlo assay, EC50=0.7 nM 26288699
MV4-11 Cytotoxicity assay 24 hrs Cytotoxicity against human MV4-11 cells assessed as growth inhibition after 24 hrs by MTT assay, =0.00043μM. 27186676
Sf9 Function assay 15 mins Inhibition of full length C-terminal His-tagged human recombinant HDAC3/NCOR2 (395 to 489 residues) expressed in baculovirus infected insect Sf9 cells using Ac-peptide-AMC as substrate assessed as release of AMC preincubated for 15 mins followed by substr, =0.0018μM. 27186676
Sf9 Function assay 15 mins Inhibition of human recombinant HDAC10 expressed in baculovirus infected insect Sf9 cells using Ac-peptide-AMC as substrate assessed as release of AMC preincubated for 15 mins followed by substrate addition measured after 1 hr by fluorescence assay, =0.0028μM. 27186676
Sf9 Function assay 15 mins Inhibition of full length human recombinant HDAC2 expressed in baculovirus infected insect Sf9 cells using Ac-peptide-AMC as substrate assessed as release of AMC preincubated for 15 mins followed by substrate addition measured after 1 hr by fluorescence a, =0.005μM. 27186676
Sf9 Function assay 15 mins Inhibition of full length human recombinant HDAC11 expressed in baculovirus infected insect Sf9 cells using Ac-peptide-AMC as substrate assessed as release of AMC preincubated for 15 mins followed by substrate addition measured after 1 hr by fluorescence , =0.0054μM. 27186676
A2780S Cytotoxicity assay 24 hrs Cytotoxicity against human A2780S cells assessed as growth inhibition after 24 hrs by MTT assay, =0.00615μM. 27186676
HCT116 Cytotoxicity assay 24 hrs Cytotoxicity against human HCT116 cells assessed as growth inhibition after 24 hrs by MTT assay, =0.00734μM. 27186676
Sf9 Function assay 60 mins Inhibition of full length recombinant human N-terminal GST-tagged p110 alpha/untagged p85 alpha expressed in baculovirus infected insect Sf9 cells using PI:3PS as substrate incubated for 60 mins by ADP-Glo luminescence assay, =0.019μM. 27186676
Sf9 Function assay 15 mins Inhibition of full length human recombinant HDAC6 expressed in baculovirus infected insect Sf9 cells using Ac-peptide-AMC as substrate assessed as release of AMC preincubated for 15 mins followed by substrate addition measured after 1 hr by fluorescence a, =0.027μM. 27186676
Sf9 Function assay 2 hrs Inhibition of N-terminal His6-tagged recombinant full-length human p110delta/untagged recombinant full length human p85alpha expressed in baculovirus infected insect Sf9 cells incubated for 2 hrs by kinase-glo assay, =0.039μM. 27186676
Sf9 Function assay 1 hr Inhibition of recombinant human p110beta expressed in baculovirus infected insect Sf9 cells incubated for 1 hr by ADP-gloreagen assay, =0.054μM. 27186676
A2780S Function assay 6 hrs Inhibition of HDAC1/2/3 in human A2780S cells assessed as histone H3 acetylation incubated for 6 hrs by cytoblot assay, =0.12625μM. 27186676
Sf9 Function assay 15 mins Inhibition of full length C-terminal His-tagged human recombinant HDAC8 expressed in baculovirus infected insect Sf9 cells using Ac-peptide-AMC as substrate assessed as release of AMC preincubated for 15 mins followed by substrate addition measured after , =0.191μM. 27186676
A2780S Function assay 6 hrs Inhibition of HDAC6 in human A2780S cells assessed as tubulin acetylation incubated for 6 hrs by cytoblot assay, =0.22175μM. 27186676
Sf9 Function assay 15 mins Inhibition of N-terminal GST/C-terminal His-tagged human recombinant HDAC4 (627 to 1084 residues) expressed in baculovirus infected insect Sf9 cells using Ac-peptide-AMC as substrate assessed as release of AMC preincubated for 15 mins followed by substrat, =0.409μM. 27186676
Sf9 Function assay 15 mins Inhibition of N-terminal GST-tagged human recombinant HDAC7 (518 to end residues) expressed in baculovirus infected insect Sf9 cells using Ac-peptide-AMC as substrate assessed as release of AMC preincubated for 15 mins followed by substrate addition measu, =0.426μM. 27186676
Sf9 Function assay 15 mins Inhibition of C-terminal His-tagged human recombinant HDAC9 (604 to 1066 residues) expressed in baculovirus infected insect Sf9 cells using Ac-peptide-AMC as substrate assessed as release of AMC preincubated for 15 mins followed by substrate addition meas, =0.554μM. 27186676
Sf9 Function assay 15 mins Inhibition of human recombinant HDAC5 expressed in baculovirus infected insect Sf9 cells using Ac-peptide-AMC as substrate assessed as release of AMC preincubated for 15 mins followed by substrate addition measured after 1 hr by fluorescence assay, =0.674μM. 27186676
Sf9 Function assay Inhibition of recombinant full length human N-terminal GST-tagged PI3K p110alpha/untagged p85alpha expressed in baculovirus infected insect Sf9 cells by ADP-Glo luminescent assay, =0.019μM. 28494256
Sf9 Function assay Inhibition of recombinant full length human N-terminal GST-tagged PI3K p110delta/untagged p85alpha expressed in baculovirus infected insect Sf9 cells by ADP-Glo luminescent assay, =0.039μM. 28494256
Sf9 Function assay Inhibition of recombinant full length human N-terminal GST-tagged PI3K p110beta/untagged p85alpha expressed in baculovirus infected insect Sf9 cells by ADP-Glo luminescent assay, =0.054μM. 28494256
TC32 qHTS assay qHTS of pediatric cancer cell lines to identify multiple opportunities for drug repurposing: Primary screen for TC32 cells 29435139
DAOY qHTS assay qHTS of pediatric cancer cell lines to identify multiple opportunities for drug repurposing: Primary screen for DAOY cells 29435139
SJ-GBM2 qHTS assay qHTS of pediatric cancer cell lines to identify multiple opportunities for drug repurposing: Primary screen for SJ-GBM2 cells 29435139
A673 qHTS assay qHTS of pediatric cancer cell lines to identify multiple opportunities for drug repurposing: Primary screen for A673 cells 29435139
SK-N-MC qHTS assay qHTS of pediatric cancer cell lines to identify multiple opportunities for drug repurposing: Primary screen for SK-N-MC cells 29435139
BT-37 qHTS assay qHTS of pediatric cancer cell lines to identify multiple opportunities for drug repurposing: Primary screen for BT-37 cells 29435139
NB-EBc1 qHTS assay qHTS of pediatric cancer cell lines to identify multiple opportunities for drug repurposing: Primary screen for NB-EBc1 cells 29435139
U-2 OS qHTS assay qHTS of pediatric cancer cell lines to identify multiple opportunities for drug repurposing: Primary screen for U-2 OS cells 29435139
Saos-2 qHTS assay qHTS of pediatric cancer cell lines to identify multiple opportunities for drug repurposing: Primary screen for Saos-2 cells 29435139
SK-N-SH qHTS assay qHTS of pediatric cancer cell lines to identify multiple opportunities for drug repurposing: Primary screen for SK-N-SH cells 29435139
NB1643 qHTS assay qHTS of pediatric cancer cell lines to identify multiple opportunities for drug repurposing: Primary screen for NB1643 cells 29435139
LAN-5 qHTS assay qHTS of pediatric cancer cell lines to identify multiple opportunities for drug repurposing: Primary screen for LAN-5 cells 29435139
BT-12 qHTS assay qHTS of pediatric cancer cell lines to identify multiple opportunities for drug repurposing: Primary screen for BT-12 cells 29435139
Rh18 qHTS assay qHTS of pediatric cancer cell lines to identify multiple opportunities for drug repurposing: Primary screen for Rh18 cells 29435139
OHS-50 qHTS assay qHTS of pediatric cancer cell lines to identify multiple opportunities for drug repurposing: Primary screen for OHS-50 cells 29435139
RD qHTS assay qHTS of pediatric cancer cell lines to identify multiple opportunities for drug repurposing: Primary screen for RD cells 29435139
MG 63 (6-TG R) qHTS assay qHTS of pediatric cancer cell lines to identify multiple opportunities for drug repurposing: Primary screen for MG 63 (6-TG R) cells 29435139
Rh30 qHTS assay qHTS of pediatric cancer cell lines to identify multiple opportunities for drug repurposing: Primary screen for Rh30 cells 29435139
Rh41 qHTS assay qHTS of pediatric cancer cell lines to identify multiple opportunities for drug repurposing: Primary screen for Rh41 cells 29435139
NB1643 qHTS assay qHTS of pediatric cancer cell lines to identify multiple opportunities for drug repurposing: Confirmatory screen for NB1643 cells 29435139
A673 qHTS assay qHTS of pediatric cancer cell lines to identify multiple opportunities for drug repurposing: Confirmatory screen for A673 cells) 29435139
BT-12 qHTS assay qHTS of pediatric cancer cell lines to identify multiple opportunities for drug repurposing: Confirmatory screen for BT-12 cells 29435139
LAN-5 qHTS assay qHTS of pediatric cancer cell lines to identify multiple opportunities for drug repurposing: Confirmatory screen for LAN-5 cells 29435139
DAOY qHTS assay qHTS of pediatric cancer cell lines to identify multiple opportunities for drug repurposing: Confirmatory screen for DAOY cells 29435139
MG 63 (6-TG R) qHTS assay qHTS of pediatric cancer cell lines to identify multiple opportunities for drug repurposing: Confirmatory screen for MG 63 (6-TG R) cells 29435139
U-2 OS qHTS assay qHTS of pediatric cancer cell lines to identify multiple opportunities for drug repurposing: Confirmatory screen for U-2 OS cells 29435139
Rh41 qHTS assay qHTS of pediatric cancer cell lines to identify multiple opportunities for drug repurposing: Confirmatory screen for Rh41 cells 29435139
RD qHTS assay qHTS of pediatric cancer cell lines to identify multiple opportunities for drug repurposing: Confirmatory screen for RD cells 29435139
Rh18 qHTS assay qHTS of pediatric cancer cell lines to identify multiple opportunities for drug repurposing: Confirmatory screen for Rh18 cells 29435139
Rh30 qHTS assay qHTS of pediatric cancer cell lines to identify multiple opportunities for drug repurposing: Confirmatory screen for Rh30 cells 29435139
SK-N-SH qHTS assay qHTS of pediatric cancer cell lines to identify multiple opportunities for drug repurposing: Confirmatory screen for SK-N-SH cells 29435139
SK-N-SH qHTS assay qHTS of pediatric cancer cell lines to identify multiple opportunities for drug repurposing: Orthogonal 3D viability screen for SK-N-SH cells 29435139
SJ-GBM2 qHTS assay qHTS of pediatric cancer cell lines to identify multiple opportunities for drug repurposing: Orthogonal 3D viability screen for SJ-GBM2 cells 29435139
Daoy qHTS assay qHTS of pediatric cancer cell lines to identify multiple opportunities for drug repurposing: Orthogonal 3D viability screen for Daoy cells 29435139
Sf9 Function assay Inhibition of recombinant human full-length N-terminal GST-tagged p110alpha/untagged full-length p85alpha expressed in baculovirus infected Sf9 cells using PIP2 as substrate by ADP-glo luminescence assay, =0.019μM. 30418766
Sf9 Function assay Inhibition of recombinant human full-length N-terminal GST-tagged p110delta/untagged full-length p85alpha expressed in baculovirus infected Sf9 cells using PIP2 as substrate by ADP-glo luminescence assay, =0.039μM. 30418766
Sf9 Function assay Inhibition of recombinant human full-length N-terminal GST-tagged p110beta/untagged full-length p85alpha expressed in baculovirus infected Sf9 cells using PIP2 as substrate by ADP-glo luminescence assay, =0.054μM. 30418766
Sf9 Function assay 15 mins Inhibition of recombinant C-terminal His/FLAG-tagged HDAC1 (unknown origin) expressed in baculovirus infected Sf9 insect cells using Ac-peptide as substrate preincubated for 15 mins followed by substrate addition and measured after 1 hr, =0.00036μM. 31117517
Sf9 Function assay 15 mins Inhibition of recombinant human full length C-terminal His-tagged HDAC8 expressed in baculovirus infected Sf9 insect cells using Ac-peptide as substrate preincubated for 15 mins followed by substrate addition and measured after 1 hr, =0.0014μM. 31117517
Sf9 Function assay 15 mins Inhibition of recombinant human full length HDAC2 expressed in baculovirus infected Sf9 insect cells using Ac-peptide as substrate preincubated for 15 mins followed by substrate addition and measured after 1 hr, =0.0016μM. 31117517
HCT116 Antiproliferative assay 96 hrs Antiproliferative activity against human HCT116 cells after 96 hrs by MTT assay, =0.005μM. 31117517
HCT8 Antiproliferative assay 96 hrs Antiproliferative activity against human HCT8 cells after 96 hrs by MTT assay, =0.005μM. 31117517
U87 Antiproliferative assay 96 hrs Antiproliferative activity against human U87 cells after 96 hrs by MTT assay, =0.007μM. 31117517
Capan2 Antiproliferative assay 96 hrs Antiproliferative activity against human Capan2 cells after 96 hrs by MTT assay, =0.007μM. 31117517
MDA-MB-453 Antiproliferative assay 96 hrs Antiproliferative activity against human MDA-MB-453 cells after 96 hrs by MTT assay, =0.009μM. 31117517
Bel7402 Antiproliferative assay 96 hrs Antiproliferative activity against human Bel7402 cells after 96 hrs by MTT assay, =0.013μM. 31117517
HepG2 Antiproliferative assay 96 hrs Antiproliferative activity against human HepG2 cells after 96 hrs by MTT assay, =0.015μM. 31117517
NCI-H1299 Antiproliferative assay 96 hrs Antiproliferative activity against human NCI-H1299 cells after 96 hrs by MTT assay, =0.025μM. 31117517
MCF7 Antiproliferative assay 96 hrs Antiproliferative activity against human MCF7 cells after 96 hrs by MTT assay, =0.041μM. 31117517
HGC27 Antiproliferative assay 96 hrs Antiproliferative activity against human HGC27 cells after 96 hrs by MTT assay, =0.041μM. 31117517
Sf9 Function assay 15 mins Inhibition of recombinant human full length HDAC11 expressed in baculovirus infected Sf9 insect cells using Ac-peptide as substrate preincubated for 15 mins followed by substrate addition and measured after 1 hr, =0.132μM. 31117517
NCI-H460 Antiproliferative assay 96 hrs Antiproliferative activity against human NCI-H460 cells after 96 hrs by MTT assay, =0.15μM. 31117517
SW1990 Antiproliferative assay 96 hrs Antiproliferative activity against human SW1990 cells after 96 hrs by MTT assay, =0.18μM. 31117517
K562 Antiproliferative assay 96 hrs Antiproliferative activity against human K562 cells after 96 hrs by MTT assay, =0.28μM. 31117517
Sf9 Function assay 15 mins Inhibition of recombinant human full length HDAC4 expressed in baculovirus infected Sf9 insect cells using Ac-peptide as substrate preincubated for 15 mins followed by substrate addition and measured after 1 hr, =0.445μM. 31117517
DU145 Antiproliferative assay 96 hrs Antiproliferative activity against human DU145 cells after 96 hrs by MTT assay, =0.56μM. 31117517
HuH7 Antiproliferative assay 96 hrs Antiproliferative activity against human HuH7 cells after 96 hrs by MTT assay, =0.56μM. 31117517
MV4-11 Antiproliferative assay 25 to 50 nM 72 hrs Antiproliferative activity against human MV4-11 cells assessed as reduction in cell viability at 25 to 50 nM after 72 hrs by tryphan blue assay 32212730
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Información química, almacenamiento y estabilidad (Chemical Information, Storage & Stability)

Peso molecular 508.55 Fórmula

C23H24N8O4S

Almacenamiento (Desde la fecha de recepción)
Nº CAS 1339928-25-4 Descargar SDF Almacenamiento de soluciones madre

Sinónimos N/A Smiles CN(CC1=CC2=C(S1)C(=NC(=N2)C3=CN=C(C=C3)OC)N4CCOCC4)C5=NC=C(C=N5)C(=O)NO

Solubilidad (Solubility)

In vitro
Lote:

DMSO : 102 mg/mL (200.57 mM)
(El DMSO contaminado con humedad puede reducir la solubilidad. Usar DMSO fresco y anhidro.)

Water : Insoluble

Ethanol : Insoluble

Calculadora de Molaridad

Masa Concentración Volumen Peso molecular
Calculadora de Dilución Calculadora de Peso Molecular

In vivo
Lote:

Calculadora de formulación in vivo (Solución clara)

Paso 1: Introduzca la información a continuación (Recomendado: Un animal adicional para tener en cuenta la pérdida durante el experimento)

mg/kg g μL

Paso 2: Introduzca la formulación in vivo (Esto es solo la calculadora, no la formulación. Por favor, contáctenos primero si no hay una formulación in vivo en la sección de Solubilidad.)

% DMSO % % Tween 80 % ddH2O
%DMSO %

Resultados del cálculo:

Concentración de trabajo: mg/ml;

Método para preparar el líquido maestro de DMSO: mg fármaco predissuelto en μL DMSO ( Concentración del líquido maestro mg/mL, Por favor, contáctenos primero si la concentración excede la solubilidad del DMSO del lote del fármaco. )

Método para preparar la formulación in vivo: Tomar μL DMSO líquido maestro, luego añadirμL PEG300, mezclar y clarificar, luego añadirμL Tween 80, mezclar y clarificar, luego añadir μL ddH2O, mezclar y clarificar.

Método para preparar la formulación in vivo: Tomar μL DMSO líquido maestro, luego añadir μL Aceite de maíz, mezclar y clarificar.

Nota: 1. Por favor, asegúrese de que el líquido esté claro antes de añadir el siguiente disolvente.
2. Asegúrese de añadir el (los) disolvente(s) en orden. Debe asegurarse de que la solución obtenida, en la adición anterior, sea una solución clara antes de proceder a añadir el siguiente disolvente. Se pueden utilizar métodos físicos como el vórtice, el ultrasonido o el baño de agua caliente para ayudar a la disolución.

Mecanismo de acción (Mechanism of Action)

Targets/IC50/Ki
HDAC1
(Cell-free assay)
1.7 nM
HDAC3
(Cell-free assay)
1.8 nM
HDAC10
(Cell-free assay)
2.8 nM
HDAC2
(Cell-free assay)
5.0 nM
HDAC11
(Cell-free assay)
5.4 nM
PI3Kα
(Cell-free assay)
19 nM
HDAC6
(Cell-free assay)
27 nM
PI3Kδ
(Cell-free assay)
39 nM
PI3Kβ
(Cell-free assay)
54 nM
In vitro

Fimepinostat (CUDC-907) inhibe otras isoformas de PI3K como PI3Kβ, PI3Kγ, PI3Kδ, PI3KɑH1047R y PI3KɑE545K con IC50 de 54 nM, 311 nM, 39 nM, 73 nM y 62 nM, respectivamente. Además, también previene los subtipos de HDAC HDAC8, HDAC6 y HDAC11 con IC50 de 191 nM, 27 nM y 5,4 nM, respectivamente.

Además, este compuesto suprime otros tipos de actividad enzimática de HDAC con menor potencia. Inhibe el crecimiento de una serie de linfomas de células B como Granta 519, DOHH2, RL, Pfeiffer, SuDHL4, Daudi y Raji con IC50 de 7 nM, 1 nM, 2 nM, 4 nM, 3 nM, 15 nM y 9 nM, respectivamente. También bloquea la proliferación de mieloma, incluyendo RPMI8226, OPM-2 y ARH77 con IC50 de 2 nM, 1 nM y 5 nM, respectivamente. Fimepinostat muestra una mayor actividad antitumoral en mieloma múltiple y linfoma de células B.

In vivo

Fimepinostat (CUDC-907) tiene una vida media prolongada en tumores murinos e induce apoptosis mientras inhibe la proliferación de células cancerosas en tumores de xenoinjerto.

En estudios de eficacia en modelos de LNH y MM, este compuesto es más eficaz que un inhibidor de PI3K o HDAC de agente único de referencia o una combinación de los dos agentes administrados a dosis máximamente toleradas (MTD). Además, es más eficaz que el inhibidor selectivo de PI3Kδ CAL-101 cuando se administra en dosis MTD.

Referencias

Aplicaciones (Applications)

Métodos Biomarcadores Imágenes PMID
Western blot AKT / p-AKT / P-p70S6K1 / Ac-H3K9 / p-MEK / p-ERK / p-STAT3 / MCL-1 / Bcl-2 / Bcl-xl / PARP p-PRAS40 / p-4EBP1 / p-S6 / c-Myc / Cleaved PARP / Caspase-3 / Celaved caspase-3 SYK / BTK / Bcl-10 / MyD88 / IRAK4
S2759-WB1
30353642
Immunofluorescence γ-H2AX / 53BP1 RAD51
S2759-IF1
29760046
Growth inhibition assay Cell viability
S2759-viability1
28147336

Información del ensayo clínico (Clinical Trial Information)

(datos de https://clinicaltrials.gov, actualizado el 2024-05-22)

Número NCT Reclutamiento Condiciones Patrocinador/Colaboradores Fecha de inicio Fases
NCT02909777 Active not recruiting
Lymphoma|Neuroblastoma|Brain Tumor|Solid Tumor
Dana-Farber Cancer Institute|Curis Inc.
October 2016 Phase 1
NCT02307240 Completed
Triple-Negative Breast Cancer|High-grade Serous Ovarian Cancer|Solid Tumors|NUT Midline Carcinoma
Curis Inc.
November 2014 Phase 1
NCT01742988 Completed
Lymphoma|Relapsed Lymphoma|Refractory Lymphoma|Relapsed and/or Refractory Lymphoma|Relapsed Ddiffuse Large B-Cell Lymphoma (DLBCL)|Refractory Diffuse Large B-Cell Lymphoma (DLBCL)|Relapsed and/or Refractory Diffuse Large B-Cell Lymphoma (DLBCL)|Double-hit Lymphoma (DHL)|Triple-hit Lymphoma (THL)|Double-expressor Lymphoma (DEL)|High-grade B-cell Lymphoma (HGBL)
Curis Inc.|The Leukemia and Lymphoma Society
December 2012 Phase 1

Preguntas frecuentes (Frequently Asked Questions)

Pregunta 1:
How to solve it for in vivo studies (p.o.)?

Respuesta:
If you decide to take P.O. as your administration route, we suggest using 1% CMC-Na to dilute it as a suspension solution for gavage.

Pregunta 2:
What is its half-life in vivo?

Respuesta:
It is said to have a long half-life in mouse tumor model: http://cancerres.aacrjournals.org/content/72/8_Supplement/3744.short, however, its not formally published and we have no detail of how long it is.