Tasquinimod (ABR-215050) | HDAC4 Inhibitor

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CAS No. :	254964-60-8
Formula :	C₂₀H₁₇F₃N₂O₄
M.W :	406.36
SMILES Code :	O=C(C1=C(O)C2=C(N(C)C1=O)C=CC=C2OC)N(C)C3=CC=C(C(F)(F)F)C=C3
Synonyms :	ABR-215050
MDL No. :	MFCD18251454
InChI Key :	ONDYALNGTUAJDX-UHFFFAOYSA-N
Pubchem ID :	54682876

GHS Pictogram:
Signal Word:	Warning
Hazard Statements:	H302-H315-H319-H335
Precautionary Statements:	P261-P305+P351+P338

LNCaP cells	50 μM	24 hours	To investigate the effect of Tasquinimod on gene expression, results showed significant up-regulation of TSP1 gene.	PMC2885345
LP-1	10 µM and 25 µM	24 hours, 48 hours, 72 hours and 120 hours	Tasquinimod significantly decreased myeloma cell proliferation and colony formation in vitro, associated with an inhibition of c- MYC and increased p27 expression.	PMC9853259
OPM-2	10 µM and 25 µM	24 hours, 48 hours, 72 hours and 120 hours	Tasquinimod significantly decreased myeloma cell proliferation and colony formation in vitro, associated with an inhibition of c- MYC and increased p27 expression.	PMC9853259
RPMI-8226	10 µM and 25 µM	24 hours, 48 hours, 72 hours and 120 hours	Tasquinimod significantly decreased myeloma cell proliferation and colony formation in vitro, associated with an inhibition of c- MYC and increased p27 expression.	PMC9853259
5TGM1	10 µM and 25 µM	24 hours, 48 hours, 72 hours and 120 hours	Tasquinimod significantly decreased myeloma cell proliferation and colony formation in vitro, associated with an inhibition of c- MYC and increased p27 expression.	PMC9853259
KG-1a cells	10, 25 µM	24, 48 hours	To evaluate the effect of tasquinimod on AML cell survival and proliferation, results showed that tasquinimod significantly reduced AML cell viability and proliferation, and increased apoptosis.	PMC10728073
MOLM-13 cells	10, 25 µM	24, 48 hours	To evaluate the effect of tasquinimod on AML cell survival and proliferation, results showed that tasquinimod significantly reduced AML cell viability and proliferation, and increased apoptosis.	PMC10728073
MCF-10A/ErbB2* cells	10 µM	48 hours	To study the effect of Tasquinimod on S100A8/9 expression, results showed that Tasquinimod significantly inhibited the expression of S100A8/9.	PMC4536311
Nasopharyngeal carcinoma cells	5 μM	48 hours	Tasquinimod significantly impaired cell proliferation and colony formation in HDAC4-overexpressing cells, indicating that Tasquinimod suppresses nasopharyngeal carcinoma cell proliferation by inhibiting HDAC4 activity.	PMC7862285
LNCaP cells	10 μM	72 hours	To investigate the effect of Tasquinimod on TSP1 mRNA expression, results showed significant up-regulation of TSP1 mRNA after 72 hours.	PMC2885345
LNCaP19 cells	10 μM	72 hours	To investigate the effect of Tasquinimod on TSP1 mRNA expression, results showed up-regulation of TSP1 mRNA in LNCaP19 cells.	PMC2885345
MC38-C215 cells	1 –10 μM	72 hours	To evaluate the effect of Tasquinimod on the proliferation of MC38-C215 cells, results showed that Tasquinimod did not significantly inhibit cell proliferation under normoxic or hypoxic conditions.	PMC4678646
HUVECs	1 µM	one week	Tasquinimod inhibits the growth of HUVECs under stressful conditions	PMC3578133
LNCaP cells	1 µM	one week	Tasquinimod induces cell death in LNCaP cells under stressful conditions	PMC3578133

Mice	Tuberculosis infection model	Oral	10 mg/kg	Once daily, 7 days/week	Tasquinimod monotherapy enhances bacterial clearance in a mouse model of tuberculosis infection, reduces bacterial burden in lungs and spleens, and significantly decreases the frequency of regulatory T cells (Tregs) and myeloid-derived suppressor cells (MDSCs).	PMC6363972
Nude mice	LNCaP prostate tumor model	Oral	10 mg/kg/day	once daily for 3 weeks	To investigate the effect of Tasquinimod on tumor growth, results showed significant inhibition of tumor growth and up-regulation of TSP1 mRNA and protein levels.	PMC2885345
Nude mice	CWR22-RH human prostate cancer xenograft model	Oral	10 mg/kg/day	daily administration until tumor growth reaches 0.250cc	Tasquinimod inhibits tumor growth under tumor microenvironment stress	PMC3578133
C57BL/6 mice	MC38 colon cancer model	Oral gavage	30 mg/kg	Once daily for 15 days	To evaluate the antitumor efficacy of Tasquinimod in combination with anti-PD-1 antibody in the MC38 colon cancer model. The results showed that the combination treatment significantly delayed tumor growth and exhibited higher tumor inhibition efficacy compared to anti-PD-1 or Tasquinimod alone.	PMC10140461
FVB mice	Castration-resistant prostate cancer model	Drinking water	10 mg/kg/day	Daily, for 3-4 weeks	Tasquinimod significantly enhanced the antitumor effects of two different immunotherapeutics and inhibited distinct MDSC populations and M2-polarized TAMs.	PMC4323929
C57Bl/6 mice	MC38-C215 colon carcinoma model	Oral	30 mg/kg	Daily, for 14 days	To evaluate the effect of Tasquinimod on the growth of MC38-C215 tumors, results showed that Tasquinimod significantly inhibited tumor growth, reduced the number of M2 macrophages in the tumor, and increased the number of M1 macrophages.	PMC4678646
Mice	NOD scid mice	Oral	10 mg/kg	once daily for 4 days	To study the effect of Tasquinimod on the growth of HR?/HER2+ breast cancer tumors, results showed that Tasquinimod significantly reduced tumor growth.	PMC4536311
C57BL/KaLwRij mice	5TGM1 and 5T33MM models	Oral	30 mg/kg	daily until the end of the experiment	Tasquinimod significantly reduced the tumor load and increased the trabecular bone volume, which resulted in prolonged overall survival of MM- bearing mice in vivo.	PMC9853259
Nude mice	Nasopharyngeal carcinoma subcutaneous xenograft model	Intragastric administration	10 mg/kg	Every 3 days for 5 weeks	Tasquinimod significantly inhibited tumor growth in HDAC4-overexpressing cells, indicating that Tasquinimod suppresses nasopharyngeal carcinoma tumor growth by inhibiting HDAC4 activity.	PMC7862285
Mice and rats	MBT-2 mouse model and AY-27 rat model	Oral gavage	2 mg/kg (rats), 0.1, 1, 10, and 30 mg/kg (mice)	Twice daily for 21 days (mice) or 28 days (rats)	Tasquinimod was effective in preventing early stage tumor growth but did not achieve a clear antitumor effect in advanced tumors. The combination of tasquinimod with an Anti-PD-L1 antibody enhanced the antitumor immune response in bladder tumors.	PMC4955379
BABL/C mice	DSS-induced ulcerative colitis model	Oral	10 mg/kg	Administered on days 1, 3, and 5, lasting for 7 days	To evaluate the therapeutic effect of MM-PLGA-TAS on DSS-induced ulcerative colitis, the results showed that MM-PLGA-TAS significantly improved weight loss and disease activity index (DAI) scores in mice, and reduced colonic inflammation.	PMC9274947

Tasquinimod

CAS No.: 254964-60-8

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NCT01048203	Healthy	PHASE1	COMPLETED	2025-03-09	JJ Berzelius Clinical Research... More >> Center AB, Berzelius Science Park, Link?ping, 582 25, Sweden Less <<
NCT06605586	Myelofibrosis	PHASE1\|PHASE2	NOT_YET_RECRUITING	2025-03-30	DE-Aachen-UKAACHEN, Aachen, Ge... More >>rmany\|NL-Amsterdam-AmsterdamUMC, Amsterdam, Netherlands\|NL-Groningen-UMCG, Groningen, Netherlands\|NL-Nijmegen-RADBOUDUMC, Nijmegen, Netherlands\|NL-Rotterdam-ERASMUSMC, Rotterdam, Netherlands\|NL-Utrecht-UMCUTRECHT, Utrecht-, Netherlands Less <<

Bio Calculators
Preparing Stock Solutions		1mg	5mg	10mg
Preparing Stock Solutions	1 mM 5 mM 10 mM	2.46mL 0.49mL 0.25mL	12.30mL 2.46mL 1.23mL	24.61mL 4.92mL 2.46mL
Dissolving Methods	Animal experiment Please choose the appropriate dissolution scheme according to your animal administration guide.For the following dissolution schemes, clear stock solution should be prepared according to in vitro experiments, and then cosolvent should be added in turn: in order to ensure the reliability of the experimental results, the clarified stock solution can be properly preserved according to the storage conditions; The working fluid for in vivo experiment is recommended to be prepared now and used on the same day; The percentage shown in front of the following solvent refers to the volume ratio of the solvent in the final solution; If precipitation or precipitation occurs in the preparation process, it can be assisted by heating and/or ultrasound. Protocol 1 Protocol 2

Precautionary Statements-General
Code	Phrase
P101	If medical advice is needed,have product container or label at hand.
P102	Keep out of reach of children.
P103	Read label before use
Prevention
Code	Phrase
P201	Obtain special instructions before use.
P202	Do not handle until all safety precautions have been read and understood.
P210	Keep away from heat/sparks/open flames/hot surfaces. - No smoking.
P211	Do not spray on an open flame or other ignition source.
P220	Keep/Store away from clothing/combustible materials.
P221	Take any precaution to avoid mixing with combustibles
P222	Do not allow contact with air.
P223	Keep away from any possible contact with water, because of violent reaction and possible flash fire.
P230	Keep wetted
P231	Handle under inert gas.
P232	Protect from moisture.
P233	Keep container tightly closed.
P234	Keep only in original container.
P235	Keep cool
P240	Ground/bond container and receiving equipment.
P241	Use explosion-proof electrical/ventilating/lighting/equipment.
P242	Use only non-sparking tools.
P243	Take precautionary measures against static discharge.
P244	Keep reduction valves free from grease and oil.
P250	Do not subject to grinding/shock/friction.
P251	Pressurized container: Do not pierce or burn, even after use.
P260	Do not breathe dust/fume/gas/mist/vapours/spray.
P261	Avoid breathing dust/fume/gas/mist/vapours/spray.
P262	Do not get in eyes, on skin, or on clothing.
P263	Avoid contact during pregnancy/while nursing.
P264	Wash hands thoroughly after handling.
P265	Wash skin thouroughly after handling.
P270	Do not eat, drink or smoke when using this product.
P271	Use only outdoors or in a well-ventilated area.
P272	Contaminated work clothing should not be allowed out of the workplace.
P273	Avoid release to the environment.
P280	Wear protective gloves/protective clothing/eye protection/face protection.
P281	Use personal protective equipment as required.
P282	Wear cold insulating gloves/face shield/eye protection.
P283	Wear fire/flame resistant/retardant clothing.
P284	Wear respiratory protection.
P285	In case of inadequate ventilation wear respiratory protection.
P231 + P232	Handle under inert gas. Protect from moisture.
P235 + P410	Keep cool. Protect from sunlight.
Response
Code	Phrase
P301	IF SWALLOWED:
P304	IF INHALED:
P305	IF IN EYES:
P306	IF ON CLOTHING:
P307	IF exposed:
P308	IF exposed or concerned:
P309	IF exposed or if you feel unwell:
P310	Immediately call a POISON CENTER or doctor/physician.
P311	Call a POISON CENTER or doctor/physician.
P312	Call a POISON CENTER or doctor/physician if you feel unwell.
P313	Get medical advice/attention.
P314	Get medical advice/attention if you feel unwell.
P315	Get immediate medical advice/attention.
P320
P302 + P352	IF ON SKIN: wash with plenty of soap and water.
P321
P322
P330	Rinse mouth.
P331	Do NOT induce vomiting.
P332	IF SKIN irritation occurs:
P333	If skin irritation or rash occurs:
P334	Immerse in cool water/wrap n wet bandages.
P335	Brush off loose particles from skin.
P336	Thaw frosted parts with lukewarm water. Do not rub affected area.
P337	If eye irritation persists:
P338	Remove contact lenses, if present and easy to do. Continue rinsing.
P340	Remove victim to fresh air and keep at rest in a position comfortable for breathing.
P341	If breathing is difficult, remove victim to fresh air and keep at rest in a position comfortable for breathing.
P342	If experiencing respiratory symptoms:
P350	Gently wash with plenty of soap and water.
P351	Rinse cautiously with water for several minutes.
P352	Wash with plenty of soap and water.
P353	Rinse skin with water/shower.
P360	Rinse immediately contaminated clothing and skin with plenty of water before removing clothes.
P361	Remove/Take off immediately all contaminated clothing.
P362	Take off contaminated clothing and wash before reuse.
P363	Wash contaminated clothing before reuse.
P370	In case of fire:
P371	In case of major fire and large quantities:
P372	Explosion risk in case of fire.
P373	DO NOT fight fire when fire reaches explosives.
P374	Fight fire with normal precautions from a reasonable distance.
P376	Stop leak if safe to do so. Oxidising gases (section 2.4) 1
P377	Leaking gas fire: Do not extinguish, unless leak can be stopped safely.
P378
P380	Evacuate area.
P381	Eliminate all ignition sources if safe to do so.
P390	Absorb spillage to prevent material damage.
P391	Collect spillage. Hazardous to the aquatic environment
P301 + P310	IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician.
P301 + P312	IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell.
P301 + P330 + P331	IF SWALLOWED: Rinse mouth. Do NOT induce vomiting.
P302 + P334	IF ON SKIN: Immerse in cool water/wrap in wet bandages.
P302 + P350	IF ON SKIN: Gently wash with plenty of soap and water.
P303 + P361 + P353	IF ON SKIN (or hair): Remove/Take off Immediately all contaminated clothing. Rinse SKIN with water/shower.
P304 + P312	IF INHALED: Call a POISON CENTER or doctor/physician if you feel unwell.
P304 + P340	IF INHALED: Remove victim to fresh air and Keep at rest in a position comfortable for breathing.
P304 + P341	IF INHALED: If breathing is difficult, remove victim to fresh air and keep at rest in a position comfortable for breathing.
P305 + P351 + P338	IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
P306 + P360	IF ON CLOTHING: Rinse Immediately contaminated CLOTHING and SKIN with plenty of water before removing clothes.
P307 + P311	IF exposed: call a POISON CENTER or doctor/physician.
P308 + P313	IF exposed or concerned: Get medical advice/attention.
P309 + P311	IF exposed or if you feel unwell: call a POISON CENTER or doctor/physician.
P332 + P313	IF SKIN irritation occurs: Get medical advice/attention.
P333 + P313	IF SKIN irritation or rash occurs: Get medical advice/attention.
P335 + P334	Brush off loose particles from skin. Immerse in cool water/wrap in wet bandages.
P337 + P313	IF eye irritation persists: Get medical advice/attention.
P342 + P311	IF experiencing respiratory symptoms: call a POISON CENTER or doctor/physician.
P370 + P376	In case of fire: Stop leak if safe to Do so.
P370 + P378	In case of fire:
P370 + P380	In case of fire: Evacuate area.
P370 + P380 + P375	In case of fire: Evacuate area. Fight fire remotely due to the risk of explosion.
P371 + P380 + P375	In case of major fire and large quantities: Evacuate area. Fight fire remotely due to the risk of explosion.
Storage
Code	Phrase
P401
P402	Store in a dry place.
P403	Store in a well-ventilated place.
P404	Store in a closed container.
P405	Store locked up.
P406	Store in corrosive resistant/ container with a resistant inner liner.
P407	Maintain air gap between stacks/pallets.
P410	Protect from sunlight.
P411
P412	Do not expose to temperatures exceeding 50 oC/ 122 oF.
P413
P420	Store away from other materials.
P422
P402 + P404	Store in a dry place. Store in a closed container.
P403 + P233	Store in a well-ventilated place. Keep container tightly closed.
P403 + P235	Store in a well-ventilated place. Keep cool.
P410 + P403	Protect from sunlight. Store in a well-ventilated place.
P410 + P412	Protect from sunlight. Do not expose to temperatures exceeding 50 oC/122oF.
P411 + P235	Keep cool.
Disposal
Code	Phrase
P501	Dispose of contents/container to ...
P502	Refer to manufacturer/supplier for information on recovery/recycling

Physical hazards
Code	Phrase
H200	Unstable explosive
H201	Explosive; mass explosion hazard
H202	Explosive; severe projection hazard
H203	Explosive; fire, blast or projection hazard
H204	Fire or projection hazard
H205	May mass explode in fire
H220	Extremely flammable gas
H221	Flammable gas
H222	Extremely flammable aerosol
H223	Flammable aerosol
H224	Extremely flammable liquid and vapour
H225	Highly flammable liquid and vapour
H226	Flammable liquid and vapour
H227	Combustible liquid
H228	Flammable solid
H229	Pressurized container: may burst if heated
H230	May react explosively even in the absence of air
H231	May react explosively even in the absence of air at elevated pressure and/or temperature
H240	Heating may cause an explosion
H241	Heating may cause a fire or explosion
H242	Heating may cause a fire
H250	Catches fire spontaneously if exposed to air
H251	Self-heating; may catch fire
H252	Self-heating in large quantities; may catch fire
H260	In contact with water releases flammable gases which may ignite spontaneously
H261	In contact with water releases flammable gas
H270	May cause or intensify fire; oxidizer
H271	May cause fire or explosion; strong oxidizer
H272	May intensify fire; oxidizer
H280	Contains gas under pressure; may explode if heated
H281	Contains refrigerated gas; may cause cryogenic burns or injury
H290	May be corrosive to metals
Health hazards
Code	Phrase
H300	Fatal if swallowed
H301	Toxic if swallowed
H302	Harmful if swallowed
H303	May be harmful if swallowed