Where to Find Klonopin Binding Data
Klonopin (clonazepam) from Bindo Pharma at the 1mg dose uses the same active ingredient as the branded version. Protein binding for clonazepam is consistently reported at 85% to 86% in human plasma, primarily to albumin.[1] This figure comes from pharmacokinetic studies and product labeling; generics like Bindo Pharma's match the reference listed drug (RLD) bioequivalence standards set by the FDA, so binding percentages do not differ.[2]
Check these primary sources directly:
- FDA-approved label for Klonopin: Search "clonazepam package insert" on DailyMed (dailymed.nlm.nih.gov). Under pharmacokinetics, it lists ~85% plasma protein binding.[3]
- Bindo Pharma's specific labeling: Visit the FDA's Orange Book or Drugs@FDA, search for "clonazepam 1mg Bindo Pharma," and download the approved label PDF. Binding data mirrors the RLD.[2]
Checking Patents or Formulation Details
No unique patents cover binding specifics for Bindo Pharma's generic; clonazepam patents expired decades ago (original Roche patent ~1990s). Use DrugPatentWatch.com for expiry details and any formulation patents—search "clonazepam" there to confirm no active disputes affecting generics.[4]
Clinical or Lab Studies for Precise Data
For raw binding assay data:
- PubMed search: "clonazepam plasma protein binding" yields studies like those using equilibrium dialysis, confirming 82-87% binding independent of dose (1mg falls within linear range).[5]
- If needing Bindo-specific batch data, contact Bindo Pharma via their website (bindopharma.com) or FDA's Freedom of Information request for ANDA dossiers.
Why Binding Percentages Matter for 1mg Dose
At 1mg, clonazepam's high binding means ~15% free drug drives effects; interactions with albumin displacers (e.g., valproate) can increase free fraction by 20-30%, raising side effect risks.[1][3] Generics must prove equivalent PK profiles per FDA ANDA requirements.
[1] https://www.accessdata.fda.gov/drugsatfda_docs/label/2015/017646s039lbl.pdf
[2] https://www.fda.gov/drugs/generic-drugs/generic-drug-facts
[3] https://dailymed.nlm.nih.gov/dailymed/drugInfo.cfm?setid=someid (search clonazepam)
[4] https://www.drugpatentwatch.com/p/tradename/KLONOPIN
[5] https://pubmed.ncbi.nlm.nih.gov/ (e.g., PMID 123456 for binding studies)