Clozaril (clozapine), also sold as Leponex, Denzapine and Zaponex, is licensed for treatment-resistant schizophrenia under mandatory blood-count monitoring, and buyers can specify the originator brand or a licensed generic against the same tender line.
Clozaril (clozapine), also marketed internationally as Leponex, Denzapine and Zaponex, is an atypical antipsychotic reserved for schizophrenia that has not responded to at least two other antipsychotics. M Care Exports is a merchant exporter: we source the originator brand and licensed generic clozapine tablets through Indian distribution and manufacturing channels and dispatch on quote, not from our own manufacturing.
Clozapine exporter and bulk supplier from India.
Tell us the strength mix, tablet or oral-suspension format, brand-or-generic preference and destination market, and we quote against your specification, drawn from licensed WHO-GMP manufacturer lines on the M Care roster. Because clozapine dispensing is tied to mandatory absolute neutrophil count monitoring rather than free brand substitution, we confirm which monitoring pathway a tender or formulary line assumes before we release a quote, then align CTD/eCTD or country-specific dossier paperwork to the destination regulator's requirements.
Source
WHO-GMP-certified Indian manufacturing line, named on every quote.
Minimum order
No blanket MOQ. Set by the source manufacturer's minimum batch-release quantity for the strength and pack ordered.
Pricing
On request. Indicative FOB or CIF quote, formal proforma on confirmation.
Incoterms
EXW, FOB, CIF, CIP or DAP.
Payment
Letter of credit (sight or usance) and telegraphic transfer.
Documentation
WHO-GMP certificate of the source line, product-specific CoPP, batch CoA, method of analysis, Free Sale Certificate, Certificate of Origin, CTD or eCTD dossier. On request.
Shelf-life
Minimum remaining shelf-life agreed per order and confirmed on the proforma.
Response
Availability and CoPP status within two working days; pre-alert documents before dispatch.
Atypical (dibenzodiazepine) antipsychotic, sourced and documented for export.
Clozapine is a dibenzodiazepine atypical antipsychotic with broad receptor affinity across dopamine, serotonin, histamine and muscarinic sites, which is why it works in schizophrenia that has failed standard antipsychotics but also carries a wider side-effect profile than first-line agents. Clozaril's flagship licensed use is treatment-resistant schizophrenia, defined as inadequate response to at least two other antipsychotic agents at adequate dose and duration; a second licensed indication covers reducing the risk of recurrent suicidal behaviour in patients with schizophrenia or schizoaffective disorder judged at chronic risk. It is an oral, non-injectable therapy taken once or twice daily once titrated to a maintenance dose. Clozaril is supplied as scored tablets in 25mg and 100mg strengths; UK-registered branded generic Denzapine extends the range to 50mg and 200mg tablets and a 50mg/mL oral suspension, and Zaponex is registered as 25mg and 100mg tablets, so destination-country labelling can vary the exact strength set and buyers should check the specific presentation their market's approved label carries.
Active ingredient
Clozapine. Atypical (dibenzodiazepine) antipsychotic.
Forms and strengths
25 mg tablet; 50 mg tablet; 50 mg/mL oral suspension; 100 mg tablet; 200 mg tablet.
Indications
Clozapine, marketed as Clozaril, Leponex, Denzapine and Zaponex, is an atypical antipsychotic licensed for treatment-resistant schizophrenia under mandatory neutrophil-count monitoring. Supplied from Indian WHO-GMP facilities to regulated and semi-regulated markets.
Administration
Oral. Tablet and oral suspension.
Documentation
Batch-specific CoA, CoPP, manufacturing-site WHO-GMP certificate and stability data compiled per consignment, in the format the destination regulator expects.
Hospital pharmacies, licensed importers and tender desks across our export markets.
India is our origin. We do not sell into the Indian market.
Buyers for clozapine are hospital and community mental-health pharmacists managing patients on structured blood-count monitoring, psychiatric hospital and secure-unit procurement teams initiating treatment-resistant schizophrenia therapy, national and regional MoH tender desks running mental-health medicine lists, licensed pharmaceutical wholesalers and importers serving psychiatric hospital networks, and NGO or public-health programmes supporting severe mental illness treatment access in markets where local registration is in place.
GCC registration routes
Supply against MoH registration held by your local licensed importer, or via the GCC central registration pathway.
UK unlicensed routes
Where no UK licence exists, the MHRA Specials and named-patient import routes cover clinically justified demand.
Tender desks
Bid-pack documentation assembled to the tender's specification, from CoPP to batch records.
Dossier support
CTD documentation from the sourcing manufacturer, compiled for your regulator's format.
What the dispensing pharmacist checks on clozapine.
Clozapine titration is slow and dose-dependent, not a standard start dose: initiate at a low daily dose split across one or two administrations, raise in small daily increments toward a target maintenance range over the first fortnight, then adjust weekly, because rushing the titration is what drives the seizure and hypotension risk during the first weeks. Absolute neutrophil count monitoring is mandatory and non-negotiable, weekly for the first six months, fortnightly for the next six months, then monthly thereafter provided counts stay above the safe threshold, and any dispensing change between brands should flag which monitoring registration the patient is enrolled under, since UK-registered products each run their own linked monitoring service rather than a single shared database. Myocarditis and cardiomyopathy are boxed-warning risks concentrated in the first weeks of treatment, so any new fever, chest pain, tachycardia or breathlessness in a recently started patient needs urgent cardiac review rather than reassurance. Missing more than 48 hours of doses requires re-titration from the starting dose, not a resumption at the prior maintenance level, because tolerance to the hypotensive and sedative effects is lost quickly. Smoking status materially changes clozapine clearance, so a dispensing pharmacist should confirm whether a patient has started or stopped smoking since the last prescription and flag it to the prescriber.
The documentation pack a regulator actually asks for.
Clozapine tablets and oral suspension are oral solid and oral liquid dosage forms, so they travel on standard ambient, moisture- and light-controlled logistics rather than the validated cold-chain lanes M Care runs for biologics. On the brand-versus-generic question, buyers genuinely have a choice: Clozaril is the long-established originator-lineage brand, Leponex is the equivalent originator brand in several international markets, and licensed generic clozapine tablets are separately registered and marketed in the US, UK and EU. What buyers do not have is free interchangeability without administrative follow-through, because UK-registered branded generics Denzapine and Zaponex each carry their own dedicated haematological monitoring service, so a formulary switch between them is a monitoring-registration change, not just a supply substitution. Clozapine sits on the WHO Model List of Essential Medicines for mental disorders, where WHO guidance singles it out, alongside lithium, as a medicine generally recommended for use only under specialist supervision or in consultation with a specialist rather than by non-specialist prescribers. The US REMS programme that previously required centralised ANC reporting before dispensing was withdrawn by the FDA effective 13 June 2025, though routine ANC monitoring itself remains part of the prescribing information; M Care confirms which monitoring pathway a destination market still requires rather than assuming the pre-2025 US model applies elsewhere.
CoA and MoA, per batch
Batch-specific certificate and method of analysis from the sourcing manufacturer's QC release.
CoPP, WHO-GMP, MFG licence
Certificate of pharmaceutical product and site GMP certification issued via CDSCO channels, naming the actual manufacturing site.
CTD Module 3
Chemistry, manufacturing and controls documentation available from the sourcing manufacturer for registration filings.
Pack insert, labels, artwork
Destination-language patient information and labelling to the local regulator's standard, locked before shipment.
Pharmacovigilance
A named PV contact arranged in the destination market where the registration requires one.
Adjacent lines procurement desks order alongside clozapine.
Molecule · strength · volume · destination. One working day to a quote.
- Send us the specifics. Form and strength, pack preference, destination market and indicative volume for clozapine.
- We route to the right line. The enquiry goes to the WHO-GMP certified manufacturing partner whose certificates fit your regulator.
- Commercial and regulatory offer. FOB or CIF price with the documentation list, named manufacturing site and current certificate validity.
- Order, produce, release, ship. QC release on the Indian side, batch documents compiled, despatch on the agreed incoterm.
- After delivery. Batch records and certificates archived and retrievable for the life of the product on your shelf.
Clozapine supply, the specific questions.
Can Clozaril, Leponex and generic clozapine tablets be substituted for one another?
Clozaril and Leponex are originator-lineage brands and licensed generic clozapine tablets are separately registered in the US, UK and EU, so buyers genuinely have a brand-or-generic choice on formulary. Switching between UK-registered branded generics such as Denzapine and Zaponex is more than a supply substitution, though, because each carries its own dedicated absolute neutrophil count monitoring service, so a formulary change means re-registering the patient's monitoring pathway, not just relabelling the pack.
What strengths and dosage forms does M Care source for clozapine?
M Care quotes clozapine tablets from 25mg through 200mg depending on the registered product, plus a 50mg/mL oral suspension where a destination market's approved label carries that presentation. Clozaril itself is registered as 25mg and 100mg scored tablets; the UK-registered branded generic Denzapine extends the strength range to 50mg and 200mg tablets and the oral suspension, while Zaponex is registered at 25mg and 100mg. We confirm the exact strength and format set against the buyer's specification and the destination regulator's approved labelling before quoting.
Why does clozapine require blood monitoring, and does that affect supply?
Clozapine carries a boxed warning for severe neutropenia, a serious and potentially fatal drop in a type of white blood cell that is most likely in the first months of treatment, so prescribing information requires baseline and then regular absolute neutrophil count checks before each dispensing. This is a clinical monitoring requirement rather than a supply constraint, but it does mean a tender or hospital order should confirm which monitoring pathway the receiving unit runs before a first dispatch, particularly where a UK-registered branded generic ties dispensing to its own linked monitoring service.
Is clozapine still subject to the US REMS reporting requirement?
No. The US FDA removed the risk evaluation and mitigation strategy for clozapine effective 13 June 2025, so prescribers, pharmacies and patients are no longer required to report absolute neutrophil count results to a centralised REMS system before dispensing. Routine blood-count monitoring itself remains part of the prescribing information and is unchanged; only the centralised US reporting layer was withdrawn, and other markets may still run their own registration-linked monitoring model.
Why is clozapine used only after other antipsychotics have failed?
Clozapine is licensed specifically for treatment-resistant schizophrenia, defined as an inadequate response to at least two other antipsychotic agents given at an adequate dose and for an adequate duration. Its broader receptor profile makes it effective where standard agents have not worked, but the same profile carries boxed-warning risks including agranulocytosis, myocarditis and seizures, so international guidance, including the WHO Model List of Essential Medicines, treats it as a specialist-supervised medicine rather than a first-line option.
Does clozapine require cold-chain shipping?
No. Clozapine tablets and oral suspension are oral dosage forms shipped on standard ambient, moisture- and light-controlled logistics rather than the validated cold-chain lanes M Care runs for biologic therapies. Storage conditions follow the registered product's approved labelling for the destination market, which we confirm and match to shipping documentation before dispatch.
Who stands behind this page, and where its statements come from.
Reviewed by Dr. Rajat Bhatt, PharmD, Managing Director, M Care Exports. Last reviewed 2026-09-13.
This page is sourcing information for licensed importers, hospital procurement and tender desks. It is not medical, pharmaceutical or prescribing advice, and it is not a substitute for the approved product information of the line on your order. See our full disclaimer.
Send the specifics. You'll have a price inside one working day.
Form and strength, destination market and indicative volume. The Mumbai desk replies within one working day, including when the honest answer is that the route is not viable yet.