Clodronic Acid



ATC (Anatomical Therapeutic Chemical Classification)


CAS registry number (Chemical Abstracts Service)


Chemical Formula


Molecular Weight


Therapeutic Categories


Bone resorption inhibitor

Adjunct to antineoplastic therapy

Treatment of hypercalcemia

Chemical Name

Phosphonic acid, (dichloromethylene)bis-

Foreign Names

  • Acidum Clodronicum (Latin)
  • Clodronsäure (German)
  • Acide clodronique (French)
  • Acido clodronico (Spanish)

Generic Names

Brand Names

  • Bonefos
    IFET, Greece; Schering Oy, Tunisia
  • Cledos
    West Pharma, Tunisia
  • Ostac
    Roche, Czech Republic; Roche, Oman
  • Acido Clodronico EG
    EG, Italy
  • Acido Clodronico Sandoz
    Sandoz, Italy
  • Bonefos
    Bayer, Austria; Bayer, Belgium; Bayer, Canada; Bayer, Switzerland; Bayer, Colombia; Bayer, Denmark; Bayer, Estonia; Bayer, Spain; Bayer, United Kingdom; Bayer, Hong Kong; Bayer, Croatia (Hrvatska); Bayer, Iceland; Bayer, Lithuania; Bayer, Latvia; Bayer, Netherlands; Bayer, Peru; Bayer, Philippines; Bayer, Sweden; Bayer, Slovakia; Bayer AB, Norway; Bayer Animal Health, Luxembourg; Bayer Pharma, Israel; Bayer Schering, Australia; Bayer Schering, Bosnia & Herzegowina; Bayer Schering, Bulgaria; Bayer Schering, China; Bayer Schering, Czech Republic; Bayer Schering, Malta; Bayer Schering, Poland; Bayer Schering, Serbia; Bayer Schering, Singapore; Bayer Schering, Taiwan; Bayer Schering Pharma, Finland; Bayer Schering Pharma, Russian Federation; Bayer Schering Pharma, Vietnam; Bayer Schering Pharma Oy, Thailand; Bayer Vital, Germany; Bayer-Schering, Romania; Boehringer Ingelheim, Ireland; Er-Kim, Turkey; Leiras, Oman; Schering, Bahrain; Schering, Brazil; Schering, Georgia; Schering, Hungary; Schering, Malaysia; Schering, Pakistan; Schering, Slovenia; Schering-Plough, Indonesia
  • Bonephos
    Bayer Schering, South Africa
  • Clasteon
    Abiogen Pharma, Italy; Beacon, United Kingdom; Sepracor, Canada
  • Clastoban
    Bayer Santé, France
  • Climaclod
    Mastelli, Italy
  • Clodeosten
    B&G, Italy
  • Clodron - 1 A Pharma
    1A Pharma, Germany
  • Clodron beta
    Betapharm, Germany
  • Clodron HEXAL
    Hexal, Germany
  • Clodron
    Fidia Farmaceutici, Italy
  • Clodronato ABC
    ABC Farmaceutici, Italy
  • Clodronato Teva
    Teva Italia, Italy
  • Clody
    Promedica, Italy
  • De Wei
    Baiyunshan, China
  • Di Gai Na
    Sanjing Pharmaceutical Co., Ltd, China
  • Difosfonal
    SPA, Italy
  • Lodronat
    Boehringer Ingelheim, Lithuania; Roche, Austria; Roche, Czech Republic
  • Loron
    Roche, United Kingdom
  • Lytos
    Roche, France
  • Moticlod
    Lisapharma, Italy
  • Niklod
    Savio I.B.N., Italy
  • Ostac
    Riemser, Netherlands; Roche, Bulgaria; Roche, Germany; Roche, Portugal
  • Osteonorm
    Caber, Italy
  • Osteostab
    Rottapharm, Italy
  • Sinclote
    Sinphar, Taiwan
  • Sindronat
    Actavis, Bulgaria; Actavis, Romania; Sindan, Poland; Sindan, Slovakia
  • Traxovical
    Athena Pharma Italia, Italy
  • Ya Kun Yu
    Lingkang Pharmaceutical, China

International Drug Name Search


BANBritish Approved Name
BANMBritish Approved Name (Modified)
DCFDénomination Commune Française
ISInofficial Synonym
OSOfficial Synonym
PHPharmacopoeia Name
Rec.INNRecommended International Nonproprietary Name (World Health Organization)
USANUnited States Adopted Name

Click for further information on drug naming conventions and International Nonproprietary Names.

Important Notice: The international database is in BETA release. This means it is still under development and may contain inaccuracies. It is not intended as a substitute for the expertise and judgement of your physician, pharmacist or other healthcare professional. It should not be construed to indicate that the use of any medication in any country is safe, appropriate or effective for you. Consult with your healthcare professional before taking any medication.