Re: Radiation Heart Devices

[Chris Alston <alstonc@odrge.odr.georgetown.edu>]

>Reply-To: "Todd J." <todd-michelle@MINDSPRING.COM>
>
>Dr. Adnani, you are going to have to be a bit more forth-coming before we
>"sincerely believe" anything.  I visited your website to learn more about
>intravascular activation brachytherapy, but what I saw was little more than
>marketing propaganda.  Is there any scientific research, possibly in a
>peer-reviewed journal, that you can share at this time?
>
>For example, do you have any clinical data to suggest that your system will
>address the "candy wrapper effect", or is this just a hunch?  Dosimetry for
>beta only
>sources (such as Sr/Y-90 or P-32) is already difficult in the millimeter
>range necessary for vascular brachytherapy.  I can only imagine that your
>sources are magnitudes more difficult to model.  Knowing that, I think Dr.
>Parthasarathy was absolutely correct to ask questions and temper your
>excitement.
>
>Todd Jenkins
>
>PS.  Please excuse me if I have overlooked any of your recent publications.
>
>
>> Date:    Tue, 20 Jun 2000 09:32:35 -0700
>> From:    Nabil Adnani <adnani@NTIMEDICAL.COM>
>> Subject: Re: Radiation Heart Devices
>>
>> And you sincerely believe that we have not addressed those problems yet!
>>
>> Nabil Adnani, Ph.D.
>> NTI Inc.
>> http://www.ntimedical.com
>>
>> ---Original Message---
>> From: Dr.K.S. Parthasarathy <aerb@SOOCHAK.NCST.ERNET.IN>
>> To: MEDPHYS@LISTS.WAYNE.EDU
>> Date: Tue, 20 Jun 2000 20:37:37 +0530
>> Subject: Re: Radiation Heart Devices
>>
>> dear dr adani,
>> dosimetry of such "activated" stents will be a challenge. Not an
>> insurmountable aspect. lot of standardisation and calibration work will
>> have to be done to arrive at physically verifiable dosimetry to be
>> followed by clinically comparable results
>>
>>
>> Dr K.S.Parthasarathy
>> ========================================================================
>> Atomic Energy Regulatory Board,
>> Niyamak Bhavan, Anushaktinagar,
>> Bombay - 400 094. INDIA
>>
>> Tel : 5572989/90/91/93/94       FAX : 5562344 / 5565717
>> email : aerb@soochak.ncst.ernet.in
>> ========================================================================
>>
>>
>> On Mon, 19 Jun 2000, Nabil Adnani wrote:
>>
>> > How about using our Intravascular Activation Brachytherapy technology
>> > which relies on activating stents made of a material which emits both
>> > gammas and betas. We believe that the gammas will be very useful to
>> > address the Candy Wapper Effect. The good news is the stent is
>> activated
>> > by a high energy linac and the level of activity (dose) is decided by
>> > the physician and physicist. Since the emissions are prompt, no
>> residual
>> > activity remains when the beam is turned off. The patient can be
>> treated
>> > and/or retreated as many times as necessary. We think that our
>> > technology solves many of the safety concerns that you are describing
>> > below.
>> >
>> > Nabil Adnani, Ph.D.
>> > NTI Inc.
>> > 881 Blacklock Way
>> > Edmonton, Alberta
>> > Canada T6W 1C4
>> > Tel:780-434-3321
>> > Fax:780-988-5598
>> >
>> > URL:http://www.ntimedical.com
>> >
>
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