| Pharmaniaga
Bio-Equivalent Products |
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| 1. |
What
is Bio-Equivalence?
Two medicinal products (generic and innovator) are bioequivalent if they are pharmaceutical equivalents and if their bioavailabilities (rate and extent) after administration in the same molar dose are similar to such degree that their effects with respect to both efficacy and safety will be essentially the same.
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| 2. |
Why
BE?
Demonstration of Bioequivalence is generally the most appropriate method of substantiating therapeutic equivalence between medicinal products.
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| 3. |
What is a Bioequivalence Study?
A BE study is a type of clinical study conducted to compare two medicinal
products containing the same amount of the same active ingredient(s), in
the same dosage form that meet the same or comparable standards but produced
by different pharmaceutical companies. This clinical study examines scientifically
if the two medicinal products will give rise to the same blood-level concentrations
in a human subject at specific interval after consuming orally the two different
products. A complex pattern of tasks and procedures are involved during this
clinical study.
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| 4. |
What happens during the BE trial?
Adult volunteers who are medically fit and had passed certain inclusion and
exclusion criteria are recruited by the principal investigator for a BE study.
A minimum 12 volunteers must be recruited for a BE study. The most common study
design is 2-way cross over, double blind and randomised study- 2 products, 2
sequences, 2 periods. (so that the treatment effect can be distinguished and
other variability/bias can be minimized)
At Visit 1: All participating volunteers must undergo a full medical check-up
by a certified medical doctor before the study. Healthy volunteers who have
passed the inclusion and exclusion criteria will be selected at this screening
process. Then the principal investigator will explain to the volunteers the
experimental aspects of the research, the purpose, the procedures involved,
the foreseeable risks and other important elements of informed consent. After
that, an informed consent agreement will be obtained from each willing
participating volunteer.
At Study Period 1: All volunteers will stay for one or more days in the
study wards. The volunteers will take one dose of the medicinal product
(either Brand A or Brand B) and allow the clinical research team to collect
their blood samples at specific time intervals. Doses are administered under
close supervision and in a randomised method. After this is completed,
the subjects will return home.
At Study Period 2: After a period of wash-out determined by the principal
investigator, the volunteers will check into the study ward to repeat the
same procedures as in Study Period 1 but with a different Brand product
(which they did not take during the first study period). The blood samples
collection will be repeated at the same specific time intervals.
At Visit 4: All the volunteers are required to come back to the study ward
for a brief follow-up session one week after Study Period 2. This is to ensure
the volunteers are healthy and are not adversely affected by the medicinal
products.
After the completion of the clinical phase, all the collected blood samples
from Study period 1 and 2 will be send to a pharmacokinetics laboratory to
conduct the concentration analysis phase. This analytical phase will
determine whether the two medicinal products are Bioequivalent or not.
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How do we know if the BE trials are reliable?
The Malaysian government has strict guidelines (Malaysian
Guidelines for Good Clinical Practice) and safeguards to
ensure that all BE Centres are recognised and professionally
run by medical staff. All BE Centres are audited regularly and
accredited by NPCB. The investigators (e.g., USM, Gleneagles)
must have appropriate expertise, qualifications and competence
to undertake such a proposed study. Moreover, all BE Centres
are require to retain ISO 17025 as a standard quality management
and fulfill all Good Clinical Practice (GCP) and Good Laboratory
Practice (GLP) set by ICH, FDA and Drug Control Authority Malaysia
(DCA)
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| 6. |
Pharmaniaga BE Products
With over 300 products granted regulatory approvals, we have assumed the leading
position in advocating clinical bio-equivalency (BE) studies in Malaysia. With BE studies,
a bioequivalent Pharmaniaga product is clinically proven and
interchangeable with the innovator product. This will provide additional
assurance on the quality and efficacy of Pharmaniaga products as compared to the patented
innovators. Doctors and consumers are able to switch brands confidently without any doubt
of the efficacy and safety of our generics.
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