table of contents 
A minireview of the current status of potential weight loss approaches that …
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Table 1. Antiobesity therapeutics in development: appetite suppression via central nervous system action
| Pharmacological Target |
Company |
Compound |
Development Status |
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| Dopamine and norepinephrine reuptake inhibitor |
GSK |
Buproprion |
Marketed for depression and smoking cessation as Welbutrin |
|
|
|
Phase III for obesity indication |
| Voltage-sensitive sodium channel and T-type calcium channel antagonist |
Dainippon |
Zonisamide |
Marketed for epilepsy as Excegran |
|
|
|
Phase II for obesity indication |
| GABA receptor agonist/glutamate antagonist/sodium channel antagonist |
J&J |
Topiramate |
Marketed for epilepsy as Topamax |
|
|
|
Discontinued for obesity indication |
| Modified ciliary neurotrophic factor, action on neural pathways |
Regeneron |
Axokine |
Phase III |
| Cannabinoid CB1 receptor antagonist |
Sanofi-Synthelabo |
Rimonabant/Acomplia |
Phase III |
|
Solvay |
SR147778 |
Phase I |
|
|
SLV319 |
Phase I |
| Natural product derived from a South-African plant, acts via an undisclosed mechanism |
Phytopharm |
P57 |
Phase II |
| Dopamine D2 receptor agonist |
PLIVA |
Bromocriptine (PLD165) |
Phase III for type 2 diabetes |
|
|
|
Phase II discontinued for obesity |
| 5HT2c serotonin receptor agonist |
Arena |
APD356 |
Phase I |
| Undisclosed target |
Shionogi |
S2367 |
Phase I |
| Undisclosed target |
Tularik |
T71 |
Phase I |
| Undisclosed target |
Biovitrum |
BVT.5182 |
Preclinical |
| Neuropeptide Y1 receptor antagonist |
GSK |
|
Preclinical |
| Neuropeptide Y5 receptor antagonist |
J&J |
|
Preclinical |
| Melanocortin 4 receptor agonist |
Several including GSK, Melacure, Merck, Neurocrine |
|
Research |
| Melanin-concentrating hormone receptor antagonist |
Several including Amgen, GSK, Lilly, Neurocrine, Neurogen, Takada |
|
Research |
| Histamine H3 receptor antagonist |
Abbott |
A331440 |
Research |
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Table 2. Antiobesity therapeutics in development: gastrointestinal tract-signaling peptides, digestive enzyme targets
| Pharmacological target |
Company |
Compound |
Development status |
|
-Glucosidase inhibitor, inhibits carbohydrate digestion and absorption |
Bayer/Pfizer (licensee, U.S.)/Sanofi-Synthelabo (licensee, European Union)/Sanwa Kagaku Kenkyusho (licensee, Japan) |
Miglitol |
Marketed for type 2 diabetes as Diastabol, Glyset, Miglibay, Plumarol |
|
|
|
Phase II for obesity in patients with type 2 diabetes |
| Synthetic human amylin analog that acts as a gut-signaling peptide, prevents the abnormal rise in glucagon after meals, slows the rate of gastric emptying, and reduces postprandial glucose peaks |
Amylin Pharma |
Pramlintide/Symlin |
Preregistration for type 1 and type 2 diabetes |
|
|
|
Phase II for obesity indication |
| Glucagon-like peptide peptide mimetic of GLP-17–36 amide, a peptide produced by the intestine, that stimulates insulin secretion in response to an increase in blood glucose, slows gastric emptying, and provides a satiety signal to the central nervous system |
Amylin Pharma/Lilly (licensee) |
Exenatide (AC2993) |
Phase III for type 2 diabetes |
|
|
|
Preclinical for obesity |
|
|
Exenatide-LAR (AC2993LAR) |
Phase II |
|
NovoNordisk |
Liraglutide (NN2211) |
Phase II for type 2 diabetes |
|
|
|
Preclinical for obesity indication |
|
Biomeasure, Ipsen/Roche (licensee) |
BIM 51077 |
Phase II for type 2 diabetes |
|
Zealand Pharma/Aventis (licensee) |
AVE0010 |
Phase II for type 2 diabetes |
|
ConjuChem |
CJC-1131 |
Phase II for type 2 diabetes |
|
Human Genome Sciences |
Albugon |
Preclinical |
|
Theratechnologies |
TH0318 |
Preclinical |
|
Genzyme |
GLP-1 gene therapy |
Research |
| Pancreatic lipase inhibitor, inhibits fat digestion and absorption |
Alizyme/Takeda (licensee for Japan) |
ATL962 |
Phase II |
| CCK-A agonist, provides a satiety signal to the central nervous system |
GSK |
181771 |
Phase II |
|
Sanofi-Synthelabo |
SR146131 |
Phase I |
|
|
SR125180 |
Phase I |
| Undisclosed target, decreases gastric emptying, provides a satiety signal to the central nervous system |
Aventis Pharma |
HMR1426 |
Phase II |
|
|
HMR1954 |
Phase I |
| Dipeptidyl peptidase IV inhibitor, prevents the inactivation of GLP-1, prolonging its action |
Novartis |
NVP LAF237 |
Phase III for type 2 diabetes |
|
Merck |
MK431 |
Phase II for type 2 diabetes |
|
Tanabe/GSK (licensee) |
T6666/815541A, 825964, 823093 |
Phase I for type 2 diabetes |
|
BMS |
BMS 477119 |
Phase I for type 2 diabetes |
|
Several including Ferring/J&J (licensee), Kyowa Haako, Sanofi-Synthelabo, PPD/Syrrx, Graffinity Pharma |
|
Preclinical |
| PYY3–36 receptor agonist, PYY3–36 is a naturally occurring intestinal peptide that provides a satiety signal to central nervous system |
Nastech |
PYY3–36 (intranasal) |
Phase I |
|
Curis/Amylin Pharma (licensee) |
AC162352 |
Preclinical |
| Dual acting pancreatic lipase inhibitor and fat binding polymer, inhibits fat digestion and absorption without oil leakage |
Genzyme/Peptimmune (licensee) |
GT389-255 |
Phase I |
| Ghrelin antagonist, inhibits the action of ghrelin, a natural peptide hormone produced by the stomach that increases appetite |
Zenteris |
|
Preclinical |
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Table 3. Antiobesity therapeutics in development: metabolic regulators
| Pharmacological target |
Company |
Compound |
Development status |
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| ß3-adrenergic receptor agonist, sympathomimetic, increases energy expenditure, inhibits intestinal motility |
Sanofi-Synthelabo |
SR58611A |
Phase III for depression |
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Phase IIa for obesity |
|
Merck |
L796568 |
Phase II |
|
GSK |
Solabegron (GW427353) |
Phase 1 for type 2 diabetes, discontinued for obesity |
|
Nisshin-Kyorin |
N5984 |
Phase I |
| Modified leptin, decreases appetite and increases energy expenditure, useful in patients with lipodystrophy |
Arngen |
Metreleptin (recombinant methionyl human leptin) |
Phase II |
| An orally active peptide analog of a fragment of human growth hormone, hGH177–191, increases fat breakdown |
Metabolic Pharma |
AOD9604 |
Phase II |
| 11ß-hydroxysteroid dehydrogenase type 1 (11-ß HSD-1) inhibitor, reduces tissue cortisol levels, results in an improvement in insulin sensitivity, metabolic risk factors, and body composition |
Biovitrum/Amgen (licensee) |
BVT.3498/AMG331 |
Phase II for type 2 diabetes and the metabolic syndrome |
| Acetyl CoA carboxylase 2 inhibitor, increases energy expenditure |
Pfizer |
|
Preclinical |
| Globular fragment of adiponectin, increases energy expenditure via adiponectin signaling pathway |
Serono |
Famoxin (gACRP30) |
Preclinical |
| Thyroid hormone receptorß agonist, increases energy expenditure |
Karo |
|
Preclinical |
| Fatty acid synthesis inhibitor and O-carnitine palmitoyltransferase-1 stimulator, decreases appetite via central nervous system action and increases peripheral fatty acid oxidation |
FASGen/P&G (licensee) |
C75 |
Preclinical |
| Stearoyl CoA desaturase-1 inhibitor, decreases fatty acid synthesis and increases fatty acid oxidation |
Xenon Genetics |
|
Preclinical |
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rating: 0.00 from 0 votes | updated on: 13 Dec 2007 | views: 247 |
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