Eli Lilly and Company Ltd has recently launched Mounjaro® (tirzepatide), a new diabetes drug which is also indicated for the treatment of weight loss. Mounjaro® comes in a KwikPen® or auto-injector pre-filled injection pen containing 2.5mg, 5mg, 7.5mg, 10mg, 12.5mg and 15mg of tirzepatide.

Currently, only the 2.5mg and 5mg strengths of the KwikPen® are available to order via AAH and Phoenix. The higher doses of Mounjaro® KwikPen® will be made available over the coming months. The KwikPen® is a multi-dose pen containing 4 doses of the specified amount.

The single dose auto-injector pen is currently unavailable in the UK. The KwikPen® cannot be dispensed against a prescription for the auto-injector pen. Prescriptions for the auto-injector will need to be returned to the prescriber  and re-issued for the KwikPen®. Please note that until prescribing systems have updated to allow selection of the KwikPen®, prescribers will need to issue handwritten paper FP10 prescriptions for the KwikPen®. Once prescribing systems have been updated, EPS prescriptions for Mounjaro® KwikPen® will appear as:

Mounjaro® KwikPen® 2.5mg/0.6ml – 1 pen containing 4 doses
Tirzepatide 2.5mg/0.6ml solution for injection 2.4ml pre-filled disposable devices 1 pre-filled disposable injection
Mounjaro KwikPen 5mg/0.6ml solution for injection 2.4ml pre-filled pens (Eli Lilly and Company Ltd) 1 pre-filled disposable injection
Mounjaro® KwikPen® 5mg/0.6ml – 1 pen containing 4 doses
Tirzepatide 5mg/0.6ml solution for injection 2.4ml pre-filled disposable devices 1 pre-filled  disposable injection
Mounjaro KwikPen 5mg/0.6ml solution for injection 2.4ml pre-filled pens (Eli Lilly and Company Ltd) 1 pre-filled disposable injection
In EPS, prescriptions for the auto-injector pens will appear as:
 
Auto-injector 2.5mg/0.5ml – 4 single-use pens in one pack (currently unavailable) 
Tirzepatide 2.5mg/0.5ml solution for injection pre-filled disposable devices 4 pre-filled disposable injection
Mounjaro 2.5mg/0.5ml solution for injection pre-filled pens (Eli Lilly and Company Ltd) 4 pre-filled disposable injection
Auto-injector 5mg/0.5ml – 4 single-use pens in one pack (currently unavailable)
Tirzepatide 5mg/0.5ml solution for injection pre-filled disposable devices 4 pre-filled disposable injection
Mounjaro 5mg/0.5ml solution for injection pre-filled pens (Eli Lilly and Company Ltd) 4 pre-filled disposable injection

If any prescriptions are received for the auto-injector, these should be returned to the prescriber so they can be re-issued for the KwikPen®.

Table showing differences between KwikPen® and auto-injector pre-filled pens.

Mounjaro® pre-filled pens
Volume of injection
Number of pens per pack
Currently available in UK

KwikPen®
2.4ml
1 pen containing 4 doses
(each dose is 0.6ml)
Yes (only 2.5mg and 5mg)

Auto-injector
0.5ml
4 single dose pens each containing 0.5ml
No

FAQs

Q. If I receive an FP10 for Mounjaro® KwikPen® will I be reimbursed?

A. Yes Mounjaro® KwikPen® will be reimbursed if dispensed against NHS prescriptions.

Q. If I receive an FP10 for Mounjaro® pre-filled auto-injector, will I get reimbursed?

A. All formulations of Mounjaro® will be reimbursed if dispensed against NHS prescriptions. However, the single-dose auto-injector pens are currently unavailable in the UK market. Currently, only Mounjaro® KwikPen® is available in 2.5mg and 5mg strengths. If any prescriptions for the auto-injector pens are received, these should be returned to the prescriber so they can be re-issued for the KwikPen®.

Q. What are the main differences between the Mounjaro® KwikPen® and auto-injector pen?

A. The Mounjaro® KwikPen® comes as a single 2.4ml pre-filled injection containing 4 doses of tirzepatide (each dose in 0.6ml of injection) whereas the auto-injector comes in a pack of four single dose pens each containing 0.5ml of tirzepatide. The single dose auto-injectors pens are currently unavailable. If your prescription displays the 0.5ml size pens (autoinjector), this will need to be re-written for the 2.4ml size multi-dose KwikPen®.

Q. Which wholesalers can I order Mounjaro® KwikPen® from?

A. Lilly supplies its medicines exclusively through AAH and Phoenix in the UK.

Q. My wholesaler is out of stock, can I order Mounjaro® KwikPen® directly from Eli Lilly?

A. If you are having trouble accessing stock please contact Eli Lilly directly following the instructions on our manufacturer contingency page.

 

 

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