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Stories from the dialysis comunity across the globe.



Standard for Detecting Occult Bone Mets in Renal Cell Carcinoma May Not Be Optimal - Cancer Therapy Advisor PDF Print
July 23, 2015 Standard for Detecting Occult Bone Mets in Renal Cell Carcinoma May Not Be Optimal - Cancer Therapy Advisor
Detection of occult bone metastases can be critical in determining the management of patients with renal cell carcinoma.

Detection of occult bone metastases can be critical in determining the management of patients with renal cell carcinoma, especially when standard of care imaging techniques test negative.

18F-NaF PET/CT is significantly more sensitive at detecting renal cell carcinoma (RCC) skeletal metastases than conventional than bone scintigraphy or computed tomography (CT), according to an article published online ahead of print in the Annals of Oncology.

Researchers assessed the sensitivity of 18F-labelled sodium fluoride in conjunction with positron emission tomography/computed tomography (18F-NaF PET/CT) for detecting bone metastases compared to imaging with bone scinigraphy or CT.

They used an adaptive two-stage trial design, which was stopped after the first stage because of statistical efficacy.

Ten patients with stage 4 RCC and bone metastases were imaged with 18F-NaF PET/CT and 99mTc-labelled methylene diphosphonate (99mTc-MDP) bone scintigraphy, including pelvic single photon (SPECT).

RELATED: Nivolumab Superior to Everolimus for Previously-treated Renal Cell Carcinoma

A total of 77 lesions were diagnosed as malignant: 100% were identified by 18F-NaF PET/CT, 46% by CT, and 28% by bone scintigraphy/SPECT.

Standard-of-care imaging with CT and bone scintigraphy identified 65% of the metastases reported by 18F-NaF PET/CT.

Reference

  1. Gerety EL, Lawrence EM, Wason J, et al. Prospective study evaluating the relative sensitivity of 18F-NaF PET/CT for detecting skeletal metastases from renal cell carcinoma in comparison to multidetector CT and 99mTc-MDP bone scintigraphy, using an adaptive trial design. Annals of Oncol.2015. [epub ahead of print]. doi: 10.1093/annonc/mdv289.

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'BORG' peptides improve biocompatibilty of polysulfone for use in dialysis - Pharmaceutical Processing PDF Print

Arch Biopartners Inc (Arch) or (the Company) announced that Arch scientists have published details of their new technology and its potential applications in the area of dialysis.

Arch scientists Daniel Muruve, Randall Irvin and Elisabeth Davis have successfully applied proprietary Arch peptides to the surface of polysulfone to make it more compatible with the human blood. Polysulfone is a common polymer used in the manufacturing of dialysis membranes.

The exposure of blood to polysulfone during dialysis triggers leukocyte activation and protein absorption that contribute to blood clotting and inflammation. The Arch team has developed a single step, post manufacturing method for modifying the surface of polysulfone and other materials used for dialysis. The resulting, new biomaterial reduces the surface absorption of proteins and leukocyte activation and has potential benefit for patients undergoing dialysis or those using other bio-incompatible medical devices.

Details of these findings are reported in the ASAIO Journal. The publication, titled "Peptide-mediated PEGylation of polysulfone reduces protein absorption and leukocyte activation" by Davis, Platnich, Irvin and Muruve can be found at http://www.ncbi.nlm.nih.gov/pubmed/26181712 until it is assigned to a specific issue of the journal.

Arch plans to advance the technology further by developing a clinical prototype and producing efficacy data in-vivo, and eventually with patients in dialysis clinics.

"The data produced by our scientists shows the potential to solve a major complication for patients in dialysis treatment, and validates our BORG Peptide platform in medical devices. It adds to our growing pipeline, which includes MetaMx and ABP569" said Andrew Bishop, a director of Arch.

Dialysis and End-Stage Kidney Disease

Patients with end-stage kidney disease require life sustaining dialysis treatments. Patients on dialysis experience significant complications not only from their disease but also related to the dialysis procedure itself. Hemodialysis involves the filtering of patient's blood to remove toxins and electrolytes that accumulate as a result of kidney failure. Specialized pumps and tubing in hemodialysis machines remove blood from the patient, deliver it to semipermeable dialysis membranes where the filtering occurs and then return it to the patient. Dialysis membranes are commonly manufactured using polysulfone. The contact of patient blood to these artificial surfaces, including the polysulfone dialysis membranes activates the clotting system as well as the immune system. As a result, patients with end-stage kidney diseases suffer from chronic inflammation and require regular blood thinners that increase the risk of bleeding complications.

...

 
'BORG' peptides improve biocompatibilty of polysulfone for use in dialysis ... - Pharmaceutical Processing PDF Print

Arch Biopartners Inc (Arch) or (the Company) announced that Arch scientists have published details of their new technology and its potential applications in the area of dialysis.

Arch scientists Daniel Muruve, Randall Irvin and Elisabeth Davis have successfully applied proprietary Arch peptides to the surface of polysulfone to make it more compatible with the human blood. Polysulfone is a common polymer used in the manufacturing of dialysis membranes.

The exposure of blood to polysulfone during dialysis triggers leukocyte activation and protein absorption that contribute to blood clotting and inflammation. The Arch team has developed a single step, post manufacturing method for modifying the surface of polysulfone and other materials used for dialysis. The resulting, new biomaterial reduces the surface absorption of proteins and leukocyte activation and has potential benefit for patients undergoing dialysis or those using other bio-incompatible medical devices.

Details of these findings are reported in the ASAIO Journal. The publication, titled "Peptide-mediated PEGylation of polysulfone reduces protein absorption and leukocyte activation" by Davis, Platnich, Irvin and Muruve can be found at http://www.ncbi.nlm.nih.gov/pubmed/26181712 until it is assigned to a specific issue of the journal.

Arch plans to advance the technology further by developing a clinical prototype and producing efficacy data in-vivo, and eventually with patients in dialysis clinics.

"The data produced by our scientists shows the potential to solve a major complication for patients in dialysis treatment, and validates our BORG Peptide platform in medical devices. It adds to our growing pipeline, which includes MetaMx and ABP569" said Andrew Bishop, a director of Arch.

Dialysis and End-Stage Kidney Disease

Patients with end-stage kidney disease require life sustaining dialysis treatments. Patients on dialysis experience significant complications not only from their disease but also related to the dialysis procedure itself. Hemodialysis involves the filtering of patient's blood to remove toxins and electrolytes that accumulate as a result of kidney failure. Specialized pumps and tubing in hemodialysis machines remove blood from the patient, deliver it to semipermeable dialysis membranes where the filtering occurs and then return it to the patient. Dialysis membranes are commonly manufactured using polysulfone. The contact of patient blood to these artificial surfaces, including the polysulfone dialysis membranes activates the clotting system as well as the immune system. As a result, patients with end-stage kidney diseases suffer from chronic inflammation and require regular blood thinners that increase the risk of bleeding complications.

...

 
Arch Scientists Use 'BORG' Peptides to Improve Biocompatibilty of Polysulfone ... - SYS-CON Media (press release) PDF Print
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TORONTO, ONTARIO -- (Marketwired) -- 07/23/15 -- Arch Biopartners Inc (Arch) or (the Company)(TSX VENTURE:ACH) (OTCBB:FOIFF) announced today that Arch scientists have published details of their new technology and its potential applications in the area of dialysis.

Arch scientists Daniel Muruve, Randall Irvin and Elisabeth Davis have successfully applied proprietary Arch peptides to the surface of polysulfone to make it more compatible with the human blood. Polysulfone is a common polymer used in the manufacturing of dialysis membranes.

The exposure of blood to polysulfone during dialysis triggers leukocyte activation and protein absorption that contribute to blood clotting and inflammation. The Arch team has developed a single step, post manufacturing method for modifying the surface of polysulfone and other materials used for dialysis. The resulting, new biomaterial reduces the surface absorption of proteins and leukocyte activation and has potential benefit for patients undergoing dialysis or those using other bio-incompatible medical devices.

Details of these findings are reported in the ASAIO Journal. The publication, titled "Peptide-mediated PEGylation of polysulfone reduces protein absorption and leukocyte activation" by Davis, Platnich, Irvin and Muruve can be found at http://www.ncbi.nlm.nih.gov/pubmed/26181712 until it is assigned to a specific issue of the journal.

Arch plans to advance the technology further by developing a clinical prototype and producing efficacy data in-vivo, and eventually with patients in dialysis clinics.

"The data produced by our scientists shows the potential to solve a major complication for patients in dialysis treatment, and validates our BORG Peptide platform in medical devices. It adds to our growing pipeline, which includes MetaMx and ABP569" said Andrew Bishop, a director of Arch.

Dialysis and End-Stage Kidney Disease

CIO, CTO & Developer Resources

Patients with end-stage kidney disease require life sustaining dialysis treatments. Patients on dialysis experience significant complications not only from their disease but also related to the dialysis procedure itself. Hemodialysis involves the filtering of patient's blood to remove toxins and electrolytes that accumulate as a result of kidney failure. Specialized pumps and tubing in hemodialysis machines remove blood from the patient, deliver it to semipermeable dialysis membranes where the filtering occurs and then return it to the patient. Dialysis membranes are commonly manufactured using polysulfone. The contact of patient blood to these artificial surfaces, including the polysulfone dialysis membranes activates the clotting system as well as the immune system. As a result, patients with end-stage kidney diseases suffer from chronic inflammation and require regular blood thinners that increase the risk of bleeding complications.

About Arch Biopartners

Arch Biopartners is a portfolio based biotechnology company established to develop new products and technology for unmet medical needs. The Company's portfolio includes MetaMx, which targets brain tumor initiating cells; ABP569, a new treatment for respiratory Pseudomonas aeruginosa infections; and, Metablok, a treatment for sepsis and cancer metastasis.

For more information on the Company, please consult the other public documents filed on SEDAR at www.sedar.com .

The Company has 53,189,679 common shares outstanding.

Forward-Looking Statements

All statements, other than statements of historical fact, in this news release are forward looking statements that involve various risks and uncertainties, including, without limitation, statements regarding the future plans and objectives of the Company. There can be no assurance that such statements will prove to be accurate. Actual results and future events could differ materially from those anticipated in such statements. These and all subsequent written and oral forward-looking statements are based on the estimates and opinions of management on the dates they are made and are expressly qualified in their entirety by this notice. The Company assumes no obligation to update forward-looking statements should circumstances or management's estimates or opinions change.

Neither TSX Venture Exchange nor its Regulation Services Provider (as that term is defined in the policies of the TSX Venture Exchange) accepts responsibility for the adequacy or accuracy of this release.

Contacts:
Andrew Bishop
Arch Biopartners Inc.
(647) 428 7031
[email protected]

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Arch Scientists Use 'BORG' Peptides to Improve Biocompatibilty of Polysulfone ... - Stockhouse PDF Print

TORONTO, ONTARIO--(Marketwired - July 23, 2015) - Arch Biopartners Inc (Arch) or (the Company)(TSX VENTURE:ACH) (OTCBB:FOIFF) announced today that Arch scientists have published details of their new technology and its potential applications in the area of dialysis.

Arch scientists Daniel Muruve, Randall Irvin and Elisabeth Davis have successfully applied proprietary Arch peptides to the surface of polysulfone to make it more compatible with the human blood. Polysulfone is a common polymer used in the manufacturing of dialysis membranes.

The exposure of blood to polysulfone during dialysis triggers leukocyte activation and protein absorption that contribute to blood clotting and inflammation. The Arch team has developed a single step, post manufacturing method for modifying the surface of polysulfone and other materials used for dialysis. The resulting, new biomaterial reduces the surface absorption of proteins and leukocyte activation and has potential benefit for patients undergoing dialysis or those using other bio-incompatible medical devices.

Details of these findings are reported in the ASAIO Journal. The publication, titled "Peptide-mediated PEGylation of polysulfone reduces protein absorption and leukocyte activation"by Davis, Platnich, Irvin and Muruve can be found at http://www.ncbi.nlm.nih.gov/pubmed/26181712 until it is assigned to a specific issue of the journal.

Arch plans to advance the technology further by developing a clinical prototype and producing efficacy data in-vivo, and eventually with patients in dialysis clinics.

"The data produced by our scientists shows the potential to solve a major complication for patients in dialysis treatment, and validates our BORG Peptide platform in medical devices. It adds to our growing pipeline, which includes MetaMx and ABP569" said Andrew Bishop, a director of Arch.

Dialysis and End-Stage Kidney Disease 

Patients with end-stage kidney disease require life sustaining dialysis treatments. Patients on dialysis experience significant complications not only from their disease but also related to the dialysis procedure itself. Hemodialysis involves the filtering of patient's blood to remove toxins and electrolytes that accumulate as a result of kidney failure. Specialized pumps and tubing in hemodialysis machines remove blood from the patient, deliver it to semipermeable dialysis membranes where the filtering occurs and then return it to the patient. Dialysis membranes are commonly manufactured using polysulfone. The contact of patient blood to these artificial surfaces, including the polysulfone dialysis membranes activates the clotting system as well as the immune system. As a result, patients with end-stage kidney diseases suffer from chronic inflammation and require regular blood thinners that increase the risk of bleeding complications. 

About Arch Biopartners

Arch Biopartners is a portfolio based biotechnology company established to develop new products and technology for unmet medical needs. The Company's portfolio includes MetaMx, which targets brain tumor initiating cells; ABP569, a new treatment for respiratory Pseudomonas aeruginosa infections; and, Metablok, a treatment for sepsis and cancer metastasis.

For more information on the Company, please consult the other public documents filed on SEDAR at www.sedar.com .

The Company has 53,189,679 common shares outstanding.

Forward-Looking Statements

All statements, other than statements of historical fact, in this news release are forward looking statements that involve various risks and uncertainties, including, without limitation, statements regarding the future plans and objectives of the Company. There can be no assurance that such statements will prove to be accurate. Actual results and future events could differ materially from those anticipated in such statements. These and all subsequent written and oral forward-looking statements are based on the estimates and opinions of management on the dates they are made and are expressly qualified in their entirety by this notice. The Company assumes no obligation to update forward-looking statements should circumstances or management's estimates or opinions change.

Neither TSX Venture Exchange nor its Regulation Services Provider (as that term is defined in the policies of the TSX Venture Exchange) accepts responsibility for the adequacy or accuracy of this release.

...

 
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