This clinical study is being conducted at multiple sites to determine the activity, safety and tolerability of XL784 when given daily to patients with albuminuria due to diabetic nephropathy. XL784 is a small molecule reno-protective metalloproteinase inhibitor, inhibiting both ADAMs (including ADAM10, a target of significant interest because of its important role in blood vessel formation and cell proliferation, and ADAM17/TACE, activation of which has been associated with renal deterioration) and MMPs (including MMP-2 and MMP-9). XL784 was specifically optimized to be MMP-1 sparing, which may be clinically significant because inhibition of MMP-1 has been hypothesized to be associated with musculoskeletal toxicity.

Start Date01 Mar 2006

Sponsor / Collaborator

Symphony Evolution, Inc.

100 Clinical Results associated with XL-784

100 Translational Medicine associated with XL-784

100 Patents (Medical) associated with XL-784

Literatures (Medical) associated with XL-784

01 Mar 2015·Cardiovascular ResearchQ1 · MEDICINE

Reduction of mouse atherosclerosis by urokinase inhibition or with a limited-spectrum matrix metalloproteinase inhibitor

Q1 · MEDICINE

Article

Author: Høyer-Hansen, Gunilla ; Dichek, David A ; Lund, Ida K ; Zhang, Jingwan ; Hu, Jie Hong ; Touch, Phanith ; Liu, Shihui ; Wei, Hao

AIMSElevated activity of urokinase plasminogen activator (uPA) and MMPs in human arteries is associated with accelerated atherosclerosis, aneurysms, and plaque rupture. We used Apoe-null mice with macrophage-specific uPA overexpression (SR-uPA mice; a well-characterized model of protease-accelerated atherosclerosis) to investigate whether systemic inhibition of proteolytic activity of uPA or a subset of MMPs can reduce protease-induced atherosclerosis and aortic dilation.METHODS AND RESULTSSR-uPA mice were fed a high-fat diet for 10 weeks and treated either with an antibody inhibiting mouse uPA (mU1) or a control antibody. mU1-treated mice were also compared with PBS-treated non-uPA-overexpressing Apoe-null mice. Other SR-uPA mice were treated with one of three doses of a limited-spectrum synthetic MMP inhibitor (XL784) or vehicle. mU1 reduced aortic root intimal lesion area (20%; P = 0.05) and aortic root circumference (12%; P = 0.01). All XL784 doses reduced aortic root intimal lesion area (22-29%) and oil-red-O-positive lesion area (36-42%; P < 0.05 for all doses and both end points), with trends towards reduced aortic root circumference (6-10%). Neither mU1 nor XL784 significantly altered percent aortic surface lesion coverage. Several lines of evidence identified MMP-13 as a mediator of uPA-induced aortic MMP activity.CONCLUSIONSPharmacological inhibition of either uPA or selected MMPs decreased atherosclerosis in SR-uPA mice. uPA inhibition decreased aortic dilation. Differential effects of both agents on aortic root vs. distal aortic atherosclerosis suggest prevention of atherosclerosis progression vs. initiation. Systemic inhibition of uPA or a subset of MMPs shows promise for treating atherosclerosis.

01 Dec 2012·Journal of Cardiovascular Pharmacology and TherapeuticsQ4 · MEDICINE

Effect of Novel Limited-Spectrum MMP Inhibitor XL784 in Abdominal Aortic Aneurysms

Q4 · MEDICINE

Article

Author: Curci, John A. ; Bartlett, Sarah ; Jin, Jianping ; Grapperhaus, Kathy ; Ennis, Terri ; Arif, Batool

Background: Inhibiting the growth of small abdominal aortic aneurysms (AAAs) is a clinically valuable goal and fills an important therapeutic void. Based on studies in animals and humans, inhibition of the activity of elastolytic matrix metalloproteinases (MMPs) has the potential to slow AAA expansion and limit morbidity and the need for surgery. Previous attempts to make use of the synthetic MMP inhibitors in the treatment of chronic conditions have been limited by intolerable side effects. The limited-spectrum synthetic MMP inhibitor, XL784, was well tolerated and devoid of side-effects associated with other nonspecific MMP inhibitors in phase I studies. We hypothesized that clinically relevant doses of XL784 would be effective at inhibiting aneurysm development in a mouse model. Methods: The 14-day elastase-perfusion model of AAA in mice was used. An initial screening study of XL784 (50 [n = 17], 125 [n = 17], and 250 mg/kg [n = 18]) administered via gavage daily until harvest. Controls received diluent alone (n = 18) or doxycycline in drinking water (n = 19). Aortic diameter was measured pre-perfusion (ADpre) and at harvest (ADhar). A second study used XL784 (250 [n = 9]; 375 [n = 9], and 500 mg/kg [n = 14]) and diluent alone (n = 9) administered via gavage. The percentage dilatation [%ΔAD = [(ADhar − ADpre)/ADpre] ×100] was calculated and elastin and inflammatory content was scored. Results: All mice tolerated the treatments similarly. Control mice all developed aneurysms with a mean %ΔAD of 158.5% ± 4.3%. Treatment with all doses of XL784 and doxycycline were effective in inhibiting aortic dilatation. There was a clear dose–response relationship between XL784 and reductions in aortic dilatation at harvest (50 mg/kg 140.4% ± 3.2%; 125 mg/kg 129.3% ±5.1%; 250 mg/kg 119.2% ± 3.5%; all Ps < .01 compared to control). This continued with the higher doses (375 mg/kg 88.6% ± 4.4%; 500 mg/kg 76.0% ± 3.5%). The highest 2 doses of XL784 tested were more effective than doxycycline (112.2% ± 2.0%, P < .05) in inhibiting maximal dilatation of the aorta after elastase perfusion.

01 Apr 2011·American Journal of Physiology-Renal PhysiologyQ3 · MEDICINE

Evaluation of metalloprotease inhibitors on hypertension and diabetic nephropathy

Q3 · MEDICINE

Article

Author: Williams, Jan M. ; Roman, Richard J. ; Zhang, Jin ; Yakes, Michael ; Lacy, Steven ; Dahly-Vernon, Annette ; North, Paula

This study examined the effects of two new selective metalloprotease (MMP) inhibitors, XL081 and XL784, on the development of renal injury in rat models of hypertension, Dahl salt-sensitive (Dahl S) and type 2 diabetic nephropathy (T2DN). Protein excretion rose from 20 to 120 mg/day in Dahl S rats fed a high-salt diet (8.0% NaCl) for 4 wk to induce hypertension. Chronic treatment with XL081 markedly reduced proteinuria and glomerulosclerosis, but it also attenuated the development of hypertension. To determine whether an MMP inhibitor could oppose the progression of renal damage in the absence of changes in blood pressure, Dahl S rats were fed a high-salt diet (4.0% NaCl) for 5 wks to induce renal injury and then were treated with the more potent and bioavailable MMP inhibitor XL784 either given alone or in combination with lisinopril and losartan. Treatment with XL784 or the ANG II blockers reduced proteinuria and glomerulosclerosis by ∼30% and had no effect on blood pressure. Proteinuria fell from 150 to 30 mg/day in the rats receiving both XL784 and the ANG II blockers, and the degree of renal injury fell to levels seen in normotensive Dahl S rats maintained from birth on a low-salt diet. In other studies, albumin excretion rose from 125 to >200 mg/day over a 4-mo period in 12-mo-old uninephrectomized T2DN rats. In contrast, albumin excretion fell by >50% in T2DN rats treated with XL784, lisinopril, or combined therapy. XL784 reduced the degree of glomerulosclerosis in the T2DN rats to a greater extent than lisinopril, and combined therapy was more effective than either drug alone. These results indicate that chronic administration of a selective MMP inhibitor delays the progression, and may even reverse hypertension and diabetic nephropathy.

100 Deals associated with XL-784

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Indication	Highest Phase	Country/Location	Organization	Date
Albuminuria	Phase 2	US	Symphony Evolution, Inc.	01 Mar 2006
Diabetic Nephropathies	Phase 2	US	Exelixis, Inc.	-
Diabetic Nephropathies	Phase 2	US	Exelixis, Inc.	-

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