Page last updated: 2024-11-11

org 2766

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Description

Org 2766: ACTH 4-9 (H-Met(O)-Glu-His-Phe-D-Lys-Phe-OH) analog in which 4-Met position of fragment substituted by 4-Met sulfoxide, 8-Arg replaced by 8-D-Lys & 9-Trp replaced by 9-Phe; RN given refers to (D-Lys)-isomer [Medical Subject Headings (MeSH), National Library of Medicine, extracted Dec-2023]

Cross-References

ID SourceID
PubMed CID6917685
MeSH IDM0061808

Synonyms (15)

Synonym
org-2766
l-phenylalanine, (2s)-2-amino-4-(methylsulfonyl)butanoyl-l-alpha-glutamyl-l-histidyl-l-phenylalanyl-d-lysyl-
org 2766
einecs 256-843-1
(2s)-2-amino-4-(methylsulfonyl)butanoyl-l-alpha-glutamyl-l-histidyl-l-phenylalanyl-d-lysyl-l-phenylalanine
l-phenylalanine, gamma-(methylsulfonyl)-l-alpha-aminobutyryl-l-alpha-glutamyl-l-histidyl-l-phenylalanyl-d-lysyl-
50913-82-1
op1h5i4tbq ,
unii-op1h5i4tbq
(4s)-5-[[(2s)-1-[[(2s)-1-[[(2r)-6-amino-1-[[(1s)-1-carboxy-2-phenylethyl]amino]-1-oxohexan-2-yl]amino]-1-oxo-3-phenylpropan-2-yl]amino]-3-(1h-imidazol-5-yl)-1-oxopropan-2-yl]amino]-4-[[(2s)-2-amino-4-methylsulfonylbutanoyl]amino]-5-oxopentanoic acid
s,s-dioxido-l-methionyl-l-.alpha.-glutamyl-l-histidyl-l-phenylalanyl-d-lysyl-l-phenylalanine
l-phenylalanine, s,s-dioxido-l-methionyl-l-.alpha.-glutamyl-l-histidyl-l-phenylalanyl-d-lysyl-
h-met(o2)-glu-his-phe-d-lys-phe
h-met(o2)-glu-his-phe-d-lys-phe-oh
AKOS040753388

Research Excerpts

Actions

ExcerptReferenceRelevance
"ORG 2766 did not enhance the rate of recovery."( Cisplatin-induced neuropathy in mature rats: effects of the melanocortin-derived peptide ORG 2766.
Bravenboer, B; Gispen, WH; Hamers, FP; Neijt, JP; Pette, C; Vecht, CJ, 1993
)
1.23

Treatment

Treatment with Org 2766 (100 pM-100 microM) had no effect on c-fos expression. Co-treatment with ORG 2766 did not result in a change in the volume of the scala med.

ExcerptReferenceRelevance
"ORG 2766 treatment was also able to reduce the basal release of LDH into the culture medium."( Effects of ORG 2766, a neurotrophic ACTH4-9 analogue, in neuroblastoma cells.
Gruener, G; McLane, JA; Murry, R, 1993
)
1.4
"ORG 2766 treatment (20 mg per day during 4 weeks) was associated with an increased amount and an improved quality of the social interaction of the autistic children with a familiar experimenter."( The use of adrenocorticotrophic hormone (4-9) analog ORG 2766 in autistic children: effects on the organization of behavior.
Buitelaar, JK; de Kogel, KH; de Vries, H; van Engeland, H; van Hooff, JA; van Ree, JM, 1992
)
1.25
"Treatment with ORG 2766 alone had no effect on cell growth and survival."( Effects of the ACTH(4-9) analogue, ORG 2766, on vincristine cytotoxicity in two human lymphoma cell lines, U937 and U715.
Heimans, JJ; Huijgens, PC; Kiburg, B; Müller, LJ; Ossenkoppele, GJ; Schweitzer, KM; van de Loosdrecht, AA, 1994
)
0.91
"Treatment with Org 2766 (100 pM-100 microM) had no effect on c-fos expression."( alpha MSH but not Org 2766 induces expression of c-fos in cultured rat spinal cord cells.
Bär, PR; Gispen, WH; Hermens, WT; Hol, EM; Verhaagen, J, 1993
)
0.96
"Treatment with ORG 2766 during the first week after the lesion resulted in more DAi fibers 4 weeks after the lesion as compared to placebo treatment, but not 12 and 24 weeks after the lesion."( Reinnervation after destruction of the dopaminergic system in the rat nucleus accumbens: a quantitative immunohistochemical analysis.
Steinbusch, HW; Van Ree, JM; Vos, PE, 1996
)
0.63
"Treatment with Org 2766 was started 6 weeks after the induction of experimental diabetes mellitus."( Presynaptic deficit of sympathetic nerves: a cause for disturbed sciatic nerve blood flow responsiveness in diabetic rats.
De Wildt, DJ; Gispen, WH; Kasbergen, CM; Van Buren, T, 1996
)
0.63
"Treatment with Org 2766, beginning 6 weeks after the induction of diabetes, had no influence on these basal haemodynamic variables."( A disturbed macrocirculatory supply as a determinant for a reduced sciatic nerve blood flow in diabetic rats.
De Wildt, DJ; Gispen, WH; Kappelle, AC; Kasbergen, CM; Van Buren, T, 1996
)
0.63
"Treatment with Org 2766 could not prevent the bradycardia."( Vagal efferent control of electrical properties of the heart in experimental diabetes.
De Ruiter, GJ; De Wildt, DJ; Gispen, WH; Schiereck, P; Van Buren, T, 1998
)
0.64
"Co-treatment with ORG 2766 did not result in a change in the volume of the scala media."( Histological effects of co-administration of an ACTH((4-9)) analogue, ORG 2766, on cisplatin ototoxicity in the albino guinea pig.
Cardinaal, RM; de Groot, JC; Huizing, EH; Smoorenburg, GF; Veldman, JE, 2000
)
0.86
"treatment with ORG 2766 facilitates the development of denervation supersensitivity and enhances sensitivity for apomorphine probably through an increased affinity of dopaminergic receptors for dopamine agonists."( The ACTH-(4-9) analogue ORG 2766 facilitates denervation supersensitivity after a unilateral 6-OHDA lesion of the corpus striatum in rats.
Bluemink, GJ; Van Ree, JM; Vos, PE; Wolterink, G, 1991
)
0.94
"Treatment with ORG 2766 during the first 6 days following the lesion did not affect the lesion-induced changes in these biochemical parameters."( Functional recovery after destruction of dopamine systems in the nucleus accumbens of rats. II. Facilitation by the ACTH-(4-9) analog ORG 2766.
Kamsteeg, H; Radhakishun, FS; Van Ree, JM; Van Zanten, E; Wolterink, G, 1990
)
0.82
"Treatment with Org 2766 resulted in a normal distribution."( Beneficial effect of Org 2766 in treatment of peripheral neuropathy in streptozocin-induced diabetic rats.
Gispen, WH; Van der Hoop, RG; Van der Zee, CE, 1989
)
0.94
"Treatment with Org 2766 impaired all aspects of performance of "sham" operated animals."( The effects of Org 2766 on the performance of sham, neocortical, and hippocampal-lesioned rats in a food search task.
Hannigan, JH; Isaacson, RL, 1985
)
0.96

Toxicity

ExcerptReferenceRelevance
"2766 (an ACTH4-9 analog) prevents this neurotoxic side effect while leaving the antitumor activity of cisplatin unaffected."( Org.2766 protects from cisplatin-induced neurotoxicity in rats.
de Koning, P; Gispen, WH; Jennekens, FG; Neijt, JP, 1987
)
0.27
" This side-effect is probably caused by interference with axonal microtubules."( In vivo modulation of vincristine-induced neurotoxicity in Lymnaea stagnalis, by the ACTH(4-9) analogue Org 2766.
Boer, HH; Heimans, JJ; Huijgens, PC; Kiburg, B; Moorer-van Delft, C, 1996
)
0.51
" Ototoxicity is an important and dose-limiting side-effect of cisplatin therapy."( Future opportunities in preventing cisplatin induced ototoxicity.
Balm, AJ; Beijnen, JH; Schellens, JH; van den Berg, JH, 2006
)
0.33

Bioavailability

ExcerptReferenceRelevance
" Without additives the nasal bioavailability of the peptide was in the order of 15 and 10% in rats and rabbits, respectively."( Nasal administration of an ACTH(4-9) peptide analogue with dimethyl-beta-cyclodextrin as an absorption enhancer: pharmacokinetics and dynamics.
Brakkee, JH; De Lannoy, LM; Gispen, WH; Merkus, FW; Romeijn, SG; Schipper, NG; Verhoef, JC; Wiegant, VM, 1993
)
0.29

Dosage Studied

ExcerptRelevanceReference
" A narrow bell-shaped dose-response relationship was found."( ACTH: a structure-activity study on pilocarpine-induced epilepsy.
Croiset, G; De Wied, D, 1992
)
0.28
" In DRG neurons a bell-shaped dose-response curve was found for alpha-MSH, the maximal effect being observed after 48 h at 100 nM: 54% for B-50/GAP43 and 22% for NF."( Stimulation by melanocortins of neurite outgrowth from spinal and sensory neurons in vitro.
Bär, PR; Gispen, WH; Hol, EM; van der Neut, R,
)
0.13
"2766 are probably not critical for the neurotrophic effect of these peptides, since a more moderate dosing protocol (injections given every 48 hr) was more effective than more frequent injections (injections given every 12 hr)."( Pharmacological aspects of the influence of melanocortins on the formation of regenerative peripheral nerve sprouts.
Edwards, PM; Gispen, WH; Jennekens, FG; Verhaagen, J,
)
0.13
" A 1 mg/kg dosage of adrenocorticotropic hormone 4-9, Organon 2766, ACTH/MSH 4-10, ACTH 1-24, CRF, or diluent was subcutaneously injected into either pregnant females or into newborn pups during specific neural developmental windows."( Pre- and postnatally administered ACTH, Organon 2766 and CRF facilitate or inhibit active avoidance task performance in young adult mice.
Honour, LC; White, MH,
)
0.13
" The study failed to show clear dose-response relationship."( Neuropeptides: ACTH-peptides in dementia.
Kragh-Sørensen, P; Lund, S; Olsen, RB; Steffensen, K; Van Riezen, H, 1986
)
0.27
"5 mg and 5 mg, Org O163 in a dosage of 30 mg."( [Effects of synthetic neuropeptides in psycho-organic brain syndrome. Results with ACTH4-10 and ACTH4-9-analog (author's transl)].
Fischer, PA; Jacobi, P; Schneider, E; van Riezen, H; Voerman, JW, 1981
)
0.26
"It is uncertain whether intensive dosing schedules of cisplatin, intended to attain a higher anti-tumour efficacy, alter the severity of cisplatin-induced neuropathy."( Neurotoxicity is not enhanced by increased dose intensities of cisplatin administration.
Hilkens, PH; Moll, JW; Planting, AS; van den Bent, MJ; van der Burg, ME; van Putten, WL; Vecht, CJ, 1995
)
0.29
" The animals treated with the high peptide dosage showed a significant improvement in both SNCV and MNCV from week 6 onwards, whereas this beneficial effect was not demonstrated for the rats treated with the low dosage."( ACTH4-9 analogue ORG 2766 can improve existing neuropathy in streptozocin-induced diabetic rats.
Bravenboer, B; Erkelens, DW; Gispen, WH; Kappelle, AC; van Buren, T, 1993
)
0.63
[information is derived through text-mining from research data collected from National Library of Medicine (NLM), extracted Dec-2023]

Research

Studies (183)

TimeframeStudies, This Drug (%)All Drugs %
pre-199063 (34.43)18.7374
1990's113 (61.75)18.2507
2000's7 (3.83)29.6817
2010's0 (0.00)24.3611
2020's0 (0.00)2.80
[information is prepared from research data collected from National Library of Medicine (NLM), extracted Dec-2023]

Market Indicators

Research Demand Index: 8.84

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 weak demand-to-supply ratio for research on this compound.

MetricThis Compound (vs All)
Research Demand Index8.84 (24.57)
Research Supply Index5.48 (2.92)
Research Growth Index4.33 (4.65)
Search Engine Demand Index0.00 (26.88)
Search Engine Supply Index0.00 (0.95)

This Compound (8.84)

All Compounds (24.57)

Study Types

Publication TypeThis drug (%)All Drugs (%)
Trials36 (17.65%)5.53%
Reviews17 (8.33%)6.00%
Case Studies0 (0.00%)4.05%
Observational0 (0.00%)0.25%
Other151 (74.02%)84.16%
[information is prepared from research data collected from National Library of Medicine (NLM), extracted Dec-2023]