Page last updated: 2024-11-07

wr 1065

Description Research Excerpts Clinical Trials Roles Classes Pathways Study Profile Bioassays Related Drugs Related Conditions Protein Interactions Research Growth Market Indicators

Description

WR-1065 : An alkanethiol that is the N-3-aminopropyl derivative of cysteamine. Used as the S-phosphorylated prodrug, amifostine, for cytoprotection in cancer chemotherapy and radiotherapy. [Chemical Entities of Biological Interest (ChEBI), Hastings J, Owen G, Dekker A, Ennis M, Kale N, Muthukrishnan V, Turner S, Swainston N, Mendes P, Steinbeck C. (2016). ChEBI in 2016: Improved services and an expanding collection of metabolites. Nucleic Acids Res]

Cross-References

ID SourceID
PubMed CID104807
CHEMBL ID1201382
CHEBI ID72583
SCHEMBL ID38865
MeSH IDM0073652

Synonyms (36)

Synonym
2-(3-aminopropylamino)ethanethiol
2-((3-aminopropyl)amino)ethyl hydrosulfide
2-((3-aminopropyl)amino)ethanethiol
wr1065
NCI60_003068
NCI60_016501
nsc-647527
nsc647527
ethanethiol, 2-((3-aminopropyl)amino)-
brn 2069586
wr-1065
C07651
31098-42-7
2-[(3-aminopropyl)amino]ethanethiol
wr 1065
n-(2-mercaptoethyl)-1,3-diaminopropane
CHEMBL1201382
amifostine thiol
chebi:72583 ,
AKOS006273087
05p3k9i49l ,
unii-05p3k9i49l
amifostine thiol [usp-rs]
aminopropyl)amino)ethanethiol, 2-((3-
SCHEMBL38865
ethanethiol, 2-[(3-aminopropyl)amino]-
n-(2-mercaptoethyl)-1,3-propanediamine
FT-0700628
2-[(3-aminopropyl)amino]ethane-1-thiol
Q27104998
MS-22792
DTXSID90953197
UGH ,
EN300-7240484
CS-0142440
HY-137864

Research Excerpts

Toxicity

ExcerptReferenceRelevance
" When used adjunctively with oxygen radical generating chemotherapeutic agents in mice, however, WR2721 produces synergistic toxicity rather than attenuation of the toxic effects of such agents."( Mechanisms of synergistic toxicity of the radioprotective agent, WR2721, and 6-hydroxydopamine.
Schor, NF, 1988
)
0.27
" In conclusion, levamisole appears to be too toxic and non-specific to be useful in studying and regulating the metabolism, toxicity and radioprotection of WR-2721."( Modification of WR-2721 toxicity and radioprotection by an inhibitor of alkaline phosphatase.
Brown, DQ; Gold, J; Hardiman, J; Mann, DJ; Pittock, JW; Pogach, R; Shaw, LM, 1986
)
0.27
"0 mM thiol, but is not seen at higher or lower drug concentrations; N-acetylcysteine (NAC) is toxic only at concentrations > or = 2 mM and shows no biphasic pattern; and glutathione (GSH) and penicillamine are only minimally toxic at all concentrations."( Mechanisms for the oxygen radical-mediated toxicity of various thiol-containing compounds in cultured mammalian cells.
Biaglow, JE; Held, KD, 1994
)
0.29
"It has been shown that unithiol diminishes toxic action of cysteamine, AET, and disulfide of WR-1065 on mice."( [Decrease of toxic effects of aminothiol radiation-protective agents and increase of chemical protection action against ionizing radiation by the use of unithiol].
Bol'shakova, OI; Grachev, SA; Korolva, IK; Nikanorova, NG; Sverdlov, AG,
)
0.13
" There is also evidence that aminothiols are toxic to the germinal cell layer of the seminiferous tubules when given to sham-irradiated mice."( Comparative intestinal and testes toxicity of four aminothiols in irradiated and nonirradiated mice.
Eckstein, JM; Egan, JE; Heman-Ackah, LM; Jackson, WE; Kendrick, JM; Steel-Goodwin, L,
)
0.13
" The aim of this study was to evaluate and compare the toxic effects of Daunorubicin, in normal or liposomal formulation, used in combination with WR1065, the active metabolite of Amifostine, against normal and tumor cells."( Effect of amifostine on the cytotoxicity of daunorubicin and daunoxome in tumor and normal cells.
Calistri, E; Candoni, A; Damiani, D; Fanin, R; Michelutti, A; Russo, D; Stocchi, R; Tiribelli, M, 2006
)
0.33
" A frequent dose-limiting side effect of platinum-based anticancer therapy is neurotoxicity."( Use of C. elegans as a 3R-compliant in vivo model for the chemoprevention of cisplatin-induced neurotoxicity.
Bornhorst, J; Brinkmann, V; Crone, B; Fritz, G; Hennecke, T; Honnen, S; Karst, U; Kurzke, J; Weides, L; Wellenberg, A, 2021
)
0.62

Pharmacokinetics

ExcerptReferenceRelevance
" Pharmacokinetic parameters were estimated by compartmental modeling of plasma concentration data from 10-min and 120-min iv infusions."( Pharmacokinetics and disposition of WR-1065 in the rhesus monkey.
Fleckenstein, L; Geary, RS; Huelle, BK; Ludden, TM; Mangold, DJ; Miller, MA; Sanchez-Barona, DO; Swynnerton, NF,
)
0.13
"The pharmacokinetic properties of WR-2721 were investigated in 13 cancer patients given a 150 mg/M2 intravenous bolus dose of the drug."( Human pharmacokinetics of WR-2721.
Bonner, HS; Glover, DJ; Kligerman, MM; Norfleet, AL; Shaw, LM; Turrisi, AT; Weiler, C, 1986
)
0.27
" The concentration-time data, best described by a three-compartment open kinetic model, were used to estimate pharmacokinetic parameters."( Measurement of WR-1065 in plasma: preliminary pharmacokinetics in the beagle.
Huelle, BK; Ludden, TM; Mangold, DJ; McGovern, EP; Swynnerton, NF, 1986
)
0.27
" Validated analytic methodology to measure parent drug and pharmacologically active metabolites and pharmacokinetic studies are essential to the efficient performance and analysis of clinical studies."( Pharmacokinetic profile of amifostine.
Bonner, H; Lieberman, R; Shaw, LM, 1996
)
0.29
" Both amifostine and WR 1065 were rapidly cleared from the plasma (95% and 50% of the peak concentration within 1 h, respectively)."( Pharmacokinetics of amifostine and its metabolites in the plasma and ascites of a cancer patient.
Gall, HE; Korst, AE; van der Vijgh, WJ; Vermorken, JB, 1996
)
0.61
" Preliminary data from studies of SC amifostine in monkeys indicate a plasma pharmacokinetic profile similar to that reported earlier in humans."( Preclinical studies on the radioprotective efficacy and pharmacokinetics of subcutaneously administered amifostine.
Bachy, CM; Cassatt, DR; Fazenbaker, CA; Kifle, G, 2002
)
0.31
"We evaluated the pharmacokinetics of amifostine and WR1065 in pediatric patients with newly diagnosed medulloblastoma to assess the influence of patient covariates, including demographics, clinical characteristics, and genetic polymorphisms, on amifostine and WR1065 pharmacokinetic parameters."( Clinical pharmacokinetics of amifostine and WR1065 in pediatric patients with medulloblastoma.
Bai, F; Fouladi, M; Gajjar, A; McKibbin, T; Okcu, MF; Panetta, JC; Stewart, CF, 2010
)
0.36
" A pharmacokinetic model was simultaneously fit to amifostine and WR1065 plasma or whole blood concentration-versus-time data."( Clinical pharmacokinetics of amifostine and WR1065 in pediatric patients with medulloblastoma.
Bai, F; Fouladi, M; Gajjar, A; McKibbin, T; Okcu, MF; Panetta, JC; Stewart, CF, 2010
)
0.36

Bioavailability

ExcerptReferenceRelevance
" Analysis of the free WR-1065 bioavailability values indicated large variability and an unpredictable dose response among subjects."( Intraduodenal administration of ethiofos (WR-2721): dose proportionality study in the rhesus monkey.
Geary, RS; Ludden, T; Mangold, DJ; Miller, MA; Swynnerton, NF, 1989
)
0.28
" It is well absorbed (23%) after oral administration to rabbits."( Studies on the reduction of sputum viscosity in cystic fibrosis using an orally absorbed protected thiol.
Cerami, A; Peterson, CM; Tabachnik, NF, 1980
)
0.26
" The effective combinations (L-TC + DOX, NAC + DOX, NAC + DMTU, NAC + HMT, NC + DOX) combined agents, reducing the bioavailability of the mustard with compounds possibly acting on the consequences of alkylation."( Efficient protection of human bronchial epithelial cells against sulfur and nitrogen mustard cytotoxicity using drug combinations.
Baeza-Squiban, A; Calvet, J; Marano, F; Rappeneau, S, 2000
)
0.31
" Although human patient data indicate higher plasma bioavailability of the active metabolite (WR-1065) following intravenous compared to subcutaneous administration, there are no corresponding data showing human tissue levels of WR-1065 following either route of administration due to the difficulty in obtaining human specimens."( Tissue levels of WR-1065, the active metabolite of amifostine (Ethyol), are equivalent following intravenous or subcutaneous administration in cynomolgus monkeys.
Bachy, CM; Cassatt, DR; Fazenbaker, CA; Kifle, G; McCarthy, MP, 2004
)
0.32
"This study shows the effect of ion pair formation on intestinal absorption and oral bioavailability of amifostine."( Ion-pair strategy for enabling amifostine oral absorption: rat in situ and in vivo experiments.
Bermejo, M; Foroutan, M; González-Álvarez, I; Mangas-Sanjuan, V; Samiei, N; Shafaati, A; Zarghi, A, 2013
)
0.39
" The bioavailability of WR-1065 was 61."( Evaluation of a method for measuring the radioprotective metabolite WR-1065 in plasma using chemical derivatization combined with UHPLC-MS/MS.
Harteg, C; Lipka, E; Lister, RJ; Reyna, D; Simon, ES, 2018
)
0.48
" Direct jejunal AMF administration incurred a systemic bioavailability of 61."( Novel Formulation Strategy to Improve the Feasibility of Amifostine Administration.
Buchman, L; Buchman, SR; Donneys, A; Lipka, E; Lynn, J; Nelson, N; Ranganathan, K; Reyna, D; Rodriguez, J; Simon, E; Snider, A; Zhang, Y, 2018
)
0.48
"Orally administered AMF achieves a similar systemic bioavailability and decreased peak plasma level of WR-1065 compared to intravenously administered AMF, suggesting oral AMF formulations maintain radioprotective efficacy without causing onerous side effects, and are clinically feasible."( Novel Formulation Strategy to Improve the Feasibility of Amifostine Administration.
Buchman, L; Buchman, SR; Donneys, A; Lipka, E; Lynn, J; Nelson, N; Ranganathan, K; Reyna, D; Rodriguez, J; Simon, E; Snider, A; Zhang, Y, 2018
)
0.48
" Nanoscale drug delivery systems of poly(ethylene glycol)-poly(ε-caprolactone) copolymers can improve the bioavailability of drugs due to excellent biocompatibility, biodegradability, and long circulation characteristics."( Oral Codelivery of WR-1065 Using Curcumin-Linked ROS-Sensitive Nanoparticles for Synergistic Radioprotection.
Guo, Y; Li, X; Lin, X; Liu, Y; Miao, L; Tian, H; Wang, X; Yuan, R, 2021
)
0.62

Dosage Studied

ExcerptRelevanceReference
" In anesthetized rats exposed to regional myocardial ischemia by ligation of the left anterior descending coronary artery for 60 minutes followed by 60 minutes of reperfusion WR 10 65 applicated in a dosage of 1 mM/kg body weight intraperitoneally 30 minutes prior to ischemia induced an improvement of post ischemic recovery of segment shortening from 31% of pre-ischemic values in untreated animals to 64."( Improved contractile function in the reperfused rat heart by the radical scavenger 2-[3-aminopropylamino] ethane thiol.
Jänichen, F; Krause, EG; Pissarek, M; Siegel, G; Tapp, E, 1989
)
0.28
" This analytical procedure and others specific for ethiofos, free WR-1065 and WR-33278 were applied to dosing experiments in which the parent drug and its major metabolites were variously administered to beagle dogs and rhesus monkeys."( A method for the combined measurement of ethiofos and WR-1065 in plasma: application to pharmacokinetic experiments with ethiofos and its metabolites.
Huelle, BK; Ludden, TM; Mangold, DJ; Swynnerton, NF, 1986
)
0.27
" In the absence of WR-compounds, dose-response data for transformation induction by neutrons from TRIGA and JANUS reactors were fitted to a common curve with a linear coefficient of about 7 x 10(-4)/Gy."( Effects of WR-1065 and WR-151326 on survival and neoplastic transformation in C3H/10T1/2 cells exposed to TRIGA or JANUS fission neutrons.
Balcer-Kubiczek, EK; Blakely, WF; Harrison, GH; Hill, CK, 1993
)
0.29
" Multiple dosing resulted in a tendency toward increasing peak levels of WR 1065 and decreasing peak levels of the disulfides."( Pharmacokinetics of amifostine and its metabolites in the plasma and ascites of a cancer patient.
Gall, HE; Korst, AE; van der Vijgh, WJ; Vermorken, JB, 1996
)
0.53
" Doxorubicin, vincristine, etoposide, cisplatin, 4-hydroperoxycyclophosphamide and 4-hydroperoxyifosfamide were equally cytotoxic with and without preincubation of WR-2721 (14 mM) or WR-1065 (40 microM) as shown by virtually identical dose-response curves and ID50 values."( Effects of WR-2721 (amifostine) and its metabolite WR-1065 on the antiproliferative activity of chemotherapeutic agents on neuroblastoma cells in vitro.
Berthold, F; Fulda, S; Oster, W, 1997
)
0.3
" The amifostine peak values at the end of each 15 min infusion did not accumulate in the multiple dosing schedule."( Pharmacokinetics of amifostine and its metabolites in patients.
Eeltink, CM; Korst, AE; van der Vijgh, WJ; Vermorken, JB, 1997
)
0.3
" Adequate dosing of either drug is necessary for protecting the cells from toxic effects of alkylating agents."( Blood thiols following amifostine and mesna infusions, a pediatric oncology group study.
Aktas, MK; Bernstein, ML; Dubowy, RL; Fahey, RC; Karjoo, S; Newton, GL; Sadowitz, PD; Sayin, OA; Souid, AK, 2001
)
0.31
" Nontumor-bearing control animals were sham treated using the same dosing and surgery schedules."( Inhibition of spontaneous metastases formation by amifostine.
Grdina, DJ; Hunter, N; Kataoka, Y; Milas, L; Murley, JS; Weichselbaum, RR, 2002
)
0.31
" Multiple-dose studies in rats show radioprotective effects equal to or greater than those obtained with intravenous dosing in the setting of fractionated irradiation."( Preclinical studies on the radioprotective efficacy and pharmacokinetics of subcutaneously administered amifostine.
Bachy, CM; Cassatt, DR; Fazenbaker, CA; Kifle, G, 2002
)
0.31
"The WR-1065 tumor portal dosing AUC15-60 was 40% of systemic dosing, and tumor concentrations following portal dosing were one-fifth of that following systemic dosing."( Disposition of WR-1065 in the liver of tumor-bearing rats following regional vs systemic administration of amifostine.
DeRemer, SJ; Dou, C; Ensminger, WD; Levi, M; Smith, DE, 2004
)
0.32
" However, portal dosing also increases systemic exposure to WR-1065, which is associated with hypotension."( Disposition of WR-1065 in the liver of tumor-bearing rats following regional vs systemic administration of amifostine.
DeRemer, SJ; Dou, C; Ensminger, WD; Levi, M; Smith, DE, 2004
)
0.32
" The need for daily dosing to achieve optimal radioprotection was consistent with the tissue pharmacokinetics of the active metabolite."( Effects of dose and schedule on the efficacy of ethyol: preclinical studies.
Bachy, CM; Cassatt, DR; Fazenbaker, CA; Kifle, G, 2003
)
0.32
[information is derived through text-mining from research data collected from National Library of Medicine (NLM), extracted Dec-2023]

Roles (3)

RoleDescription
radiation protective agentAny compound that is able to protect normal cells from the damage caused by radiation therapy.
antioxidantA substance that opposes oxidation or inhibits reactions brought about by dioxygen or peroxides.
drug metabolitenull
[role information is derived from Chemical Entities of Biological Interest (ChEBI), Hastings J, Owen G, Dekker A, Ennis M, Kale N, Muthukrishnan V, Turner S, Swainston N, Mendes P, Steinbeck C. (2016). ChEBI in 2016: Improved services and an expanding collection of metabolites. Nucleic Acids Res]

Drug Classes (2)

ClassDescription
diamineAny polyamine that contains two amino groups.
alkanethiolAn alkanethiol is a compound in which a sulfanyl group, -SH, is attached to an alkyl group.
[compound class information is derived from Chemical Entities of Biological Interest (ChEBI), Hastings J, Owen G, Dekker A, Ennis M, Kale N, Muthukrishnan V, Turner S, Swainston N, Mendes P, Steinbeck C. (2016). ChEBI in 2016: Improved services and an expanding collection of metabolites. Nucleic Acids Res]

Bioassays (11)

Assay IDTitleYearJournalArticle
AID1299697Protection against DNA damage in gamma irradiated human NHDF assessed as decrease in median number of gammaH2AX/53BP1 foci per nucleus at 4 mM preincubated for 15 mins followed by gamma irradiation measured after 5 mins by confocal fluorescence microscopi2016Journal of medicinal chemistry, Apr-14, Volume: 59, Issue:7
Two New Faces of Amifostine: Protector from DNA Damage in Normal Cells and Inhibitor of DNA Repair in Cancer Cells.
AID1299701Decrease in median number of gammaH2AK/53BP1 foci per nucleus in gamma irradiated human MCF7 cells at 4 mM preincubated for 15 mins followed by gamma irradiation measured after 5 mins by confocal fluorescence microscopic analysis relative to control2016Journal of medicinal chemistry, Apr-14, Volume: 59, Issue:7
Two New Faces of Amifostine: Protector from DNA Damage in Normal Cells and Inhibitor of DNA Repair in Cancer Cells.
AID1299713Induction of DNA DSB repair in gamma irradiated human NHDF assessed as median number of gammaH2AK/53BP1 foci per nucleus at 4 mM preincubated for 15 mins followed by gamma irradiation measured after 60 mins by confocal fluorescence microscopic analysis re2016Journal of medicinal chemistry, Apr-14, Volume: 59, Issue:7
Two New Faces of Amifostine: Protector from DNA Damage in Normal Cells and Inhibitor of DNA Repair in Cancer Cells.
AID1299707Reduction of DNA DSB repair in gamma irradiated human MCF7 cells at 4 mM preincubated for 15 mins followed by gamma irradiation measured after 60 to 120 mins by neutral comet assay2016Journal of medicinal chemistry, Apr-14, Volume: 59, Issue:7
Two New Faces of Amifostine: Protector from DNA Damage in Normal Cells and Inhibitor of DNA Repair in Cancer Cells.
AID1299698Protection against DNA damage in gamma irradiated human NHDF assessed as decrease in median number of gammaH2AX/53BP1 foci per nucleus at 4 mM preincubated for 15 mins followed by gamma irradiation measured after 60 mins by confocal fluorescence microscop2016Journal of medicinal chemistry, Apr-14, Volume: 59, Issue:7
Two New Faces of Amifostine: Protector from DNA Damage in Normal Cells and Inhibitor of DNA Repair in Cancer Cells.
AID1299716Drug uptake in human MCF7 cells at 4 mM after 20 to 75 mins by LC-MS/MS analysis2016Journal of medicinal chemistry, Apr-14, Volume: 59, Issue:7
Two New Faces of Amifostine: Protector from DNA Damage in Normal Cells and Inhibitor of DNA Repair in Cancer Cells.
AID1299704Protection against DNA damage in gamma irradiated human NHDF assessed as decrease in double strand breakage of DNA at 4 mM preincubated for 15 mins followed by gamma irradiation measured after 5 mins by neutral comet assay2016Journal of medicinal chemistry, Apr-14, Volume: 59, Issue:7
Two New Faces of Amifostine: Protector from DNA Damage in Normal Cells and Inhibitor of DNA Repair in Cancer Cells.
AID1299706Induction of DNA DSB repair in gamma irradiated human NHDF at 4 mM preincubated for 15 mins followed by gamma irradiation measured after 60 to 120 mins by neutral comet assay2016Journal of medicinal chemistry, Apr-14, Volume: 59, Issue:7
Two New Faces of Amifostine: Protector from DNA Damage in Normal Cells and Inhibitor of DNA Repair in Cancer Cells.
AID1299715Drug uptake in human NHDF at 4 mM after 20 to 75 mins by LC-MS/MS analysis2016Journal of medicinal chemistry, Apr-14, Volume: 59, Issue:7
Two New Faces of Amifostine: Protector from DNA Damage in Normal Cells and Inhibitor of DNA Repair in Cancer Cells.
AID1299705Induction of DNA damage in gamma irradiated human MCF7 cells assessed as increase in double strand breakage of DNA at 4 mM preincubated for 15 mins followed by gamma irradiation measured after 5 mins by neutral comet assay2016Journal of medicinal chemistry, Apr-14, Volume: 59, Issue:7
Two New Faces of Amifostine: Protector from DNA Damage in Normal Cells and Inhibitor of DNA Repair in Cancer Cells.
AID1299702Decrease in median number of gammaH2AK/53BP1 foci per nucleus in gamma irradiated human MCF7 cells at 4 mM preincubated for 15 mins followed by gamma irradiation measured after 60 mins by confocal fluorescence microscopic analysis relative to control2016Journal of medicinal chemistry, Apr-14, Volume: 59, Issue:7
Two New Faces of Amifostine: Protector from DNA Damage in Normal Cells and Inhibitor of DNA Repair in Cancer Cells.
[information is prepared from bioassay data collected from National Library of Medicine (NLM), extracted Dec-2023]

Research

Studies (219)

TimeframeStudies, This Drug (%)All Drugs %
pre-199050 (22.83)18.7374
1990's81 (36.99)18.2507
2000's62 (28.31)29.6817
2010's23 (10.50)24.3611
2020's3 (1.37)2.80
[information is prepared from research data collected from National Library of Medicine (NLM), extracted Dec-2023]

Market Indicators

Research Demand Index: 18.31

According to the monthly volume, diversity, and competition of internet searches for this compound, as well the volume and growth of publications, there is estimated to be moderate demand-to-supply ratio for research on this compound.

MetricThis Compound (vs All)
Research Demand Index18.31 (24.57)
Research Supply Index5.46 (2.92)
Research Growth Index4.46 (4.65)
Search Engine Demand Index18.60 (26.88)
Search Engine Supply Index2.00 (0.95)

This Compound (18.31)

All Compounds (24.57)

Study Types

Publication TypeThis drug (%)All Drugs (%)
Trials6 (2.64%)5.53%
Reviews12 (5.29%)6.00%
Case Studies1 (0.44%)4.05%
Observational0 (0.00%)0.25%
Other208 (91.63%)84.16%
[information is prepared from research data collected from National Library of Medicine (NLM), extracted Dec-2023]