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Rapifen 500 micrograms/ml solution for injection or infusion (2012)

Active ingredients: Alfentanil

Product Name and Form


Pharmaceutical form

Aqueous injection.

Qualitative and Quantitative Composition

Each ml of Rapifen contains alfentanil hydrochloride 544 micrograms, equivalent to 500 micrograms alfentanil base.

Chemical substance

Alfentanil is a short-acting, synthetic, agonist at mu opioid receptors, used for anaesthesia in surgery.

List of excipients

Sodium chloride
Water for injection

Pack sizes and Marketing

Colourless glass one-point-cut ampoules (PhEur, Type I).

Pack size: packs of 10 × 2 ml ampoules; packs of 5 and 10 × 10 ml ampoules.

Marketing authorization holder
Authorization dates

Janssen-Cilag Limited
50-100 Holmers Farm Way
High Wycombe
HP12 4EG

27 July 1983/30 March 2004

Marketing authorization number:

PL 0242/0091