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Details

Stereochemistry ACHIRAL
Molecular Formula C7H5IN2O3
Molecular Weight 292.0307
Optical Activity NONE
Defined Stereocenters 0 / 0
E/Z Centers 0
Charge 0

SHOW SMILES / InChI
Structure of INIPARIB

SMILES

NC(=O)C1=CC(=C(I)C=C1)[N+]([O-])=O

InChI

InChIKey=MDOJTZQKHMAPBK-UHFFFAOYSA-N
InChI=1S/C7H5IN2O3/c8-5-2-1-4(7(9)11)3-6(5)10(12)13/h1-3H,(H2,9,11)

HIDE SMILES / InChI

Molecular Formula C7H5IN2O3
Molecular Weight 292.0307
Charge 0
Count
Stereochemistry ACHIRAL
Additional Stereochemistry No
Defined Stereocenters 0 / 0
E/Z Centers 0
Optical Activity NONE

Iniparib (BSI-201 or 4-iodo-3-nitrosobenzamide) inactivated poly(ADP-ribose) polymerase by zinc ejection from the first zinc finger of this nuclear protein. Iniparib, either alone or in combination with chemotherapy, had significant antitumor activity in preclinical studies in vitro and in vivo. In June 2013, Sanofi dropped the drug after it failed in a phase III trial of patients with squamous non–small-cell lung cancer and a phase II trial in platinum-resistant ovarian cancer.

Originator

Curator's Comment: Iniparib (BSI-201) is an intravenously administered PARP1 inhibitor under development by BiPar Sciences Inc, a subsidiary of sanofi-aventis, under license from Octamer Inc, for the potential treatment of cancer. https://www.ncbi.nlm.nih.gov/pubmed/20799148

Approval Year

Targets

Targets

Primary TargetPharmacologyConditionPotency
Conditions
Cmax

Cmax

ValueDoseCo-administeredAnalytePopulation
3790 ng/mL
11.2 mg/kg 1 times / week multiple, intravenous
dose: 11.2 mg/kg
route of administration: Intravenous
experiment type: MULTIPLE
co-administered: GEMCITABINE|Carboplatin
INIPARIB plasma
Homo sapiens
population: UNHEALTHY
age: ADULT
sex: FEMALE / MALE
food status: UNKNOWN
2190 ng/mL
5.6 mg/kg single, intravenous
dose: 5.6 mg/kg
route of administration: Intravenous
experiment type: SINGLE
co-administered: Gemcitabine|Carboplatin
INIPARIB plasma
Homo sapiens
population: UNHEALTHY
age: ADULT
sex: FEMALE / MALE
food status: UNKNOWN
2410 ng/mL
5.6 mg/kg 2 times / week multiple, intravenous
dose: 5.6 mg/kg
route of administration: Intravenous
experiment type: MULTIPLE
co-administered: Gemcitabine|Carboplatin
INIPARIB plasma
Homo sapiens
population: UNHEALTHY
age: ADULT
sex: FEMALE / MALE
food status: UNKNOWN
3820 ng/mL
11.2 mg/kg single, intravenous
dose: 11.2 mg/kg
route of administration: Intravenous
experiment type: SINGLE
co-administered: Gemcitabine|Carboplatin
INIPARIB plasma
Homo sapiens
population: UNHEALTHY
age: ADULT
sex: FEMALE / MALE
food status: UNKNOWN
1517 ng/mL
8.6 mg/kg 1 times / day multiple, intravenous
dose: 8.6 mg/kg
route of administration: Intravenous
experiment type: MULTIPLE
co-administered:
INIPARIB plasma
Homo sapiens
population: UNHEALTHY
age: ADULT
sex: FEMALE / MALE
food status: UNKNOWN
2139 ng/mL
9.5 mg/kg 1 times / day multiple, intravenous
dose: 9.5 mg/kg
route of administration: Intravenous
experiment type: MULTIPLE
co-administered:
INIPARIB plasma
Homo sapiens
population: UNHEALTHY
age: ADULT
sex: FEMALE / MALE
food status: UNKNOWN
AUC

AUC

ValueDoseCo-administeredAnalytePopulation
3610 ng × h/mL
11.2 mg/kg 1 times / week multiple, intravenous
dose: 11.2 mg/kg
route of administration: Intravenous
experiment type: MULTIPLE
co-administered: GEMCITABINE|Carboplatin
INIPARIB plasma
Homo sapiens
population: UNHEALTHY
age: ADULT
sex: FEMALE / MALE
food status: UNKNOWN
2060 ng × h/mL
5.6 mg/kg single, intravenous
dose: 5.6 mg/kg
route of administration: Intravenous
experiment type: SINGLE
co-administered: Gemcitabine|Carboplatin
INIPARIB plasma
Homo sapiens
population: UNHEALTHY
age: ADULT
sex: FEMALE / MALE
food status: UNKNOWN
2420 ng × h/mL
5.6 mg/kg 2 times / week multiple, intravenous
dose: 5.6 mg/kg
route of administration: Intravenous
experiment type: MULTIPLE
co-administered: Gemcitabine|Carboplatin
INIPARIB plasma
Homo sapiens
population: UNHEALTHY
age: ADULT
sex: FEMALE / MALE
food status: UNKNOWN
4160 ng × h/mL
11.2 mg/kg single, intravenous
dose: 11.2 mg/kg
route of administration: Intravenous
experiment type: SINGLE
co-administered: Gemcitabine|Carboplatin
INIPARIB plasma
Homo sapiens
population: UNHEALTHY
age: ADULT
sex: FEMALE / MALE
food status: UNKNOWN
T1/2

T1/2

ValueDoseCo-administeredAnalytePopulation
1.32 h
11.2 mg/kg 1 times / week multiple, intravenous
dose: 11.2 mg/kg
route of administration: Intravenous
experiment type: MULTIPLE
co-administered: GEMCITABINE|Carboplatin
INIPARIB plasma
Homo sapiens
population: UNHEALTHY
age: ADULT
sex: FEMALE / MALE
food status: UNKNOWN
0.65 h
5.6 mg/kg single, intravenous
dose: 5.6 mg/kg
route of administration: Intravenous
experiment type: SINGLE
co-administered: Gemcitabine|Carboplatin
INIPARIB plasma
Homo sapiens
population: UNHEALTHY
age: ADULT
sex: FEMALE / MALE
food status: UNKNOWN
1.4 h
5.6 mg/kg 2 times / week multiple, intravenous
dose: 5.6 mg/kg
route of administration: Intravenous
experiment type: MULTIPLE
co-administered: Gemcitabine|Carboplatin
INIPARIB plasma
Homo sapiens
population: UNHEALTHY
age: ADULT
sex: FEMALE / MALE
food status: UNKNOWN
0.92 h
11.2 mg/kg single, intravenous
dose: 11.2 mg/kg
route of administration: Intravenous
experiment type: SINGLE
co-administered: Gemcitabine|Carboplatin
INIPARIB plasma
Homo sapiens
population: UNHEALTHY
age: ADULT
sex: FEMALE / MALE
food status: UNKNOWN
Doses

Doses

DosePopulationAdverse events​
8.6 mg/kg 1 times / day multiple, intravenous
MTD
Dose: 8.6 mg/kg, 1 times / day
Route: intravenous
Route: multiple
Dose: 8.6 mg/kg, 1 times / day
Co-administed with::
temozolomide(Patients in the monthly dose TMZ (mTMZ) group were prescribed TMZ 150 mg/m2 in cycle 1 and 200 mg/m2 in cycles 2-6 on days 1-5 of each of six 4-week cycles.)
Sources: Page: p.6
unhealthy, ADULT
n = 9
Health Status: unhealthy
Condition: malignant glioma
Age Group: ADULT
Sex: M+F
Food Status: UNKNOWN
Population Size: 9
Sources: Page: p.6
DLT: Fatigue...
Dose limiting toxicities:
Fatigue (grade 3, 11%)
Sources: Page: p.6
9.5 mg/kg 1 times / day multiple, intravenous
Studied dose
Dose: 9.5 mg/kg, 1 times / day
Route: intravenous
Route: multiple
Dose: 9.5 mg/kg, 1 times / day
Co-administed with::
temozolomide(Patients in the monthly dose TMZ (mTMZ) group were prescribed TMZ 150 mg/m2 in cycle 1 and 200 mg/m2 in cycles 2-6 on days 1-5 of each of six 4-week cycles.)
Sources: Page: p.5
unhealthy, ADULT
n = 4
Health Status: unhealthy
Condition: malignant glioma
Age Group: ADULT
Sex: M+F
Food Status: UNKNOWN
Population Size: 4
Sources: Page: p.5
DLT: Allergic reaction, Maculo-papular rash...
Dose limiting toxicities:
Allergic reaction (grade 3, 25%)
Maculo-papular rash (grade 3, 25%)
Allergic urticaria (grade 3, 25%)
Sources: Page: p.5
AEs

AEs

AESignificanceDosePopulation
Fatigue grade 3, 11%
DLT
8.6 mg/kg 1 times / day multiple, intravenous
MTD
Dose: 8.6 mg/kg, 1 times / day
Route: intravenous
Route: multiple
Dose: 8.6 mg/kg, 1 times / day
Co-administed with::
temozolomide(Patients in the monthly dose TMZ (mTMZ) group were prescribed TMZ 150 mg/m2 in cycle 1 and 200 mg/m2 in cycles 2-6 on days 1-5 of each of six 4-week cycles.)
Sources: Page: p.6
unhealthy, ADULT
n = 9
Health Status: unhealthy
Condition: malignant glioma
Age Group: ADULT
Sex: M+F
Food Status: UNKNOWN
Population Size: 9
Sources: Page: p.6
Allergic reaction grade 3, 25%
DLT
9.5 mg/kg 1 times / day multiple, intravenous
Studied dose
Dose: 9.5 mg/kg, 1 times / day
Route: intravenous
Route: multiple
Dose: 9.5 mg/kg, 1 times / day
Co-administed with::
temozolomide(Patients in the monthly dose TMZ (mTMZ) group were prescribed TMZ 150 mg/m2 in cycle 1 and 200 mg/m2 in cycles 2-6 on days 1-5 of each of six 4-week cycles.)
Sources: Page: p.5
unhealthy, ADULT
n = 4
Health Status: unhealthy
Condition: malignant glioma
Age Group: ADULT
Sex: M+F
Food Status: UNKNOWN
Population Size: 4
Sources: Page: p.5
Allergic urticaria grade 3, 25%
DLT
9.5 mg/kg 1 times / day multiple, intravenous
Studied dose
Dose: 9.5 mg/kg, 1 times / day
Route: intravenous
Route: multiple
Dose: 9.5 mg/kg, 1 times / day
Co-administed with::
temozolomide(Patients in the monthly dose TMZ (mTMZ) group were prescribed TMZ 150 mg/m2 in cycle 1 and 200 mg/m2 in cycles 2-6 on days 1-5 of each of six 4-week cycles.)
Sources: Page: p.5
unhealthy, ADULT
n = 4
Health Status: unhealthy
Condition: malignant glioma
Age Group: ADULT
Sex: M+F
Food Status: UNKNOWN
Population Size: 4
Sources: Page: p.5
Maculo-papular rash grade 3, 25%
DLT
9.5 mg/kg 1 times / day multiple, intravenous
Studied dose
Dose: 9.5 mg/kg, 1 times / day
Route: intravenous
Route: multiple
Dose: 9.5 mg/kg, 1 times / day
Co-administed with::
temozolomide(Patients in the monthly dose TMZ (mTMZ) group were prescribed TMZ 150 mg/m2 in cycle 1 and 200 mg/m2 in cycles 2-6 on days 1-5 of each of six 4-week cycles.)
Sources: Page: p.5
unhealthy, ADULT
n = 4
Health Status: unhealthy
Condition: malignant glioma
Age Group: ADULT
Sex: M+F
Food Status: UNKNOWN
Population Size: 4
Sources: Page: p.5
Sourcing

Sourcing

Vendor/AggregatorIDURL
PubMed

PubMed

TitleDatePubMed
Potential chemotherapeutic activity of 4-iodo-3-nitrobenzamide. Metabolic reduction to the 3-nitroso derivative and induction of cell death in tumor cells in culture.
1995 Aug 25
Anti-cancer action of 4-iodo-3-nitrobenzamide in combination with buthionine sulfoximine: inactivation of poly(ADP-ribose) polymerase and tumor glycolysis and the appearance of a poly(ADP-ribose) polymerase protease.
2002 Feb 1
Enzymatic mechanism of the tumoricidal action of 4-iodo-3-nitrobenzamide.
2009 Sep-Oct
Directed therapy of subtypes of triple-negative breast cancer.
2010
Beyond PARP inhibitors: agents in pipelines target DNA repair mechanisms.
2010 Aug 4
[PARP inhibitors to treat triple negative breast cancer].
2010 Dec
Treatment options for patients with triple-negative breast cancer.
2010 Oct 27
Iniparib, a PARP1 inhibitor for the potential treatment of cancer, including triple-negative breast cancer.
2010 Sep
Iniparib plus chemotherapy in metastatic triple-negative breast cancer.
2011 Jan 20
Response of subtype-specific human breast cancer-derived cells to poly(ADP-ribose) polymerase and checkpoint kinase 1 inhibition.
2011 Oct
Iniparib nonselectively modifies cysteine-containing proteins in tumor cells and is not a bona fide PARP inhibitor.
2012 Jan 15
Failure of iniparib to inhibit poly(ADP-Ribose) polymerase in vitro.
2012 Mar 15
Patents

Sample Use Guides

A Phase 2, single arm study of Iniparib in patients with BRCA1 or BRCA2 associated advanced epithelial ovarian, fallopian tube, or primary peritoneal cancer. Patients received iniparib intravenously at a dose of 8mg/kg twice weekly.
Route of Administration: Intravenous
Iniparib kills normal and neoplastic cells at high (>40 μmol/L) concentrations
Substance Class Chemical
Created
by admin
on Fri Dec 15 16:17:04 UTC 2023
Edited
by admin
on Fri Dec 15 16:17:04 UTC 2023
Record UNII
2ZWI7KHK8F
Record Status Validated (UNII)
Record Version
  • Download
Name Type Language
INIPARIB
INN   MI   USAN   WHO-DD  
INN   USAN  
Official Name English
Iniparib [WHO-DD]
Common Name English
iniparib [INN]
Common Name English
INIPARIB [USAN]
Common Name English
BSI-201
Code English
4-iodo-3-nitrobenzamide
Systematic Name English
INIPARIB [MI]
Common Name English
Classification Tree Code System Code
NCI_THESAURUS C62554
Created by admin on Fri Dec 15 16:17:04 UTC 2023 , Edited by admin on Fri Dec 15 16:17:04 UTC 2023
FDA ORPHAN DRUG 823921
Created by admin on Fri Dec 15 16:17:04 UTC 2023 , Edited by admin on Fri Dec 15 16:17:04 UTC 2023
Code System Code Type Description
FDA UNII
2ZWI7KHK8F
Created by admin on Fri Dec 15 16:17:04 UTC 2023 , Edited by admin on Fri Dec 15 16:17:04 UTC 2023
PRIMARY
ChEMBL
CHEMBL1170047
Created by admin on Fri Dec 15 16:17:04 UTC 2023 , Edited by admin on Fri Dec 15 16:17:04 UTC 2023
PRIMARY
WIKIPEDIA
INIPARIB
Created by admin on Fri Dec 15 16:17:04 UTC 2023 , Edited by admin on Fri Dec 15 16:17:04 UTC 2023
PRIMARY
EVMPD
SUB178482
Created by admin on Fri Dec 15 16:17:04 UTC 2023 , Edited by admin on Fri Dec 15 16:17:04 UTC 2023
PRIMARY
SMS_ID
100000164167
Created by admin on Fri Dec 15 16:17:04 UTC 2023 , Edited by admin on Fri Dec 15 16:17:04 UTC 2023
PRIMARY
INN
9249
Created by admin on Fri Dec 15 16:17:04 UTC 2023 , Edited by admin on Fri Dec 15 16:17:04 UTC 2023
PRIMARY
EPA CompTox
DTXSID30166784
Created by admin on Fri Dec 15 16:17:04 UTC 2023 , Edited by admin on Fri Dec 15 16:17:04 UTC 2023
PRIMARY
MERCK INDEX
m6287
Created by admin on Fri Dec 15 16:17:04 UTC 2023 , Edited by admin on Fri Dec 15 16:17:04 UTC 2023
PRIMARY Merck Index
PUBCHEM
9796068
Created by admin on Fri Dec 15 16:17:04 UTC 2023 , Edited by admin on Fri Dec 15 16:17:04 UTC 2023
PRIMARY
NCI_THESAURUS
C62526
Created by admin on Fri Dec 15 16:17:04 UTC 2023 , Edited by admin on Fri Dec 15 16:17:04 UTC 2023
PRIMARY
USAN
UU-157
Created by admin on Fri Dec 15 16:17:04 UTC 2023 , Edited by admin on Fri Dec 15 16:17:04 UTC 2023
PRIMARY
DRUG BANK
DB13877
Created by admin on Fri Dec 15 16:17:04 UTC 2023 , Edited by admin on Fri Dec 15 16:17:04 UTC 2023
PRIMARY
CAS
160003-66-7
Created by admin on Fri Dec 15 16:17:04 UTC 2023 , Edited by admin on Fri Dec 15 16:17:04 UTC 2023
PRIMARY
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