Mohammed Ali
☆    

United Arab Emirates,
2013-04-22 10:38
(4817 d 01:07 ago)

Posting: # 10450
Views: 6,001
 

 Azithromycin [Design Issues]

Dear All ,

we are planning to do bioequivalence study on Azithromycin Caps,

but whether we can use this methodology 2 capsule of 250mg of test & 2 caps of 250 mg of originator which will be equivalent to 500mg.

please suggest whether this is accepted or not (pl. provide reference guidelines)

Mohd. Ali
Helmut
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Vienna, Austria,
2013-04-22 15:30
(4816 d 20:15 ago)

@ Mohammed Ali
Posting: # 10456
Views: 4,838
 

 Analytical sensitivity issues?

Hi Mohammed,

you replied to two posts (which were completely unrelated to your question). I deleted the first of your posts and made the second one the start of a new thread. See also the Forum’s Policy.

❝ we are planning to do bioequivalence study on Azithromycin Caps,

❝ but whether we can use this methodology 2 capsule of 250mg of test & 2 caps of 250 mg of originator which will be equivalent to 500mg.


Why do you want to do that? Do you want to market only the 250 mg strength? If yes, perform a study with 1×1 250 mg. Only in rare cases (problems with the sensitivity of the analytical method) your design would makes sense. I don’t think any regulator would accept such a justification for azithromycin.

❝ […] pl. provide reference guidelines


My crystal ball is at the laundry. In which country do you want to submit the study?

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Mohammed Ali
☆    

United Arab Emirates,
2013-04-28 10:22
(4811 d 01:24 ago)

(edited on 2013-04-28 11:38)
@ Helmut
Posting: # 10501
Views: 4,714
 

 Analytical sensitivity issues?

❝ ❝ we are planning to do bioequivalence study on Azithromycin Caps,

❝ ❝ but whether we can use this methodology 2 capsule of 250mg of test & 2 caps of 250 mg of originator which will be equivalent to 500mg.


We need 500mg Approval not 250mg whether this is acceptable as same study is been performed by Teva.

❝ Why do you want to do that? Do you want to market only the 250 mg strength? If yes, perform a study with 1×1 250 mg. Only in rare cases (problems with the sensitivity of the analytical method) your design would makes sense. I don’t think any regulator would accept such a justification for azithromycin.


We need to market 500mg only. whether this is acceptable.


Edit: Full quote removed. Please delete anything from the text of the original poster which is not necessary in understanding your answer; see also this post! [Jaime]
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