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Theramex UK Ltd announces a license and supply agreement with Enzene Biosciences Limited, for the registration and commercialisation of denosumab, an antiresorptive treatment for osteoporosis, a biosimilar of reference medicine Prolia®, in Europe, the UK, Switzerland, and Australia


London, 10 June:  Theramex, a leading global speciality pharmaceutical company dedicated to women and their health, announced that it has entered into an agreement to register and commercialise denosumab from Enzene Biosciences Limited, Pune, India, for use in Europe, the UK, Switzerland, and Australia. Denosumab, a biosimilar of the reference medicine Prolia ®, is an antiresorptive treatment for osteoporosis with sales in these markets of close to €1 billion1 in 2020.  Enzene will exclusively supply the finished product to Theramex for the duration of the agreement.

Denosumab is a human monoclonal antibody (IgG2) that targets and binds with high affinity and specificity to RANKL, preventing activation of its receptor, RANK, on the surface of osteoclast precursors and osteoclasts. Prevention of the RANKL/RANK interaction inhibits osteoclast formation, function and survival, thereby decreasing bone resorption in cortical and trabecular bone.2 Denosumab is administered by a single subcutaneous injection once every six months.2

About Theramex

With a broad portfolio of innovative and established brands covering contraception, fertility, Menopause and Osteoporosis, we support women at every stage of their lives. Our commitment is to listen and understand our patients, serve their needs, and offer healthcare solutions to help improve their lives. Our vision is to be a lifetime partner for women and the healthcare professionals who treat them, by providing innovative and effective solutions that care for and support women as they advance through each stage of their lives.

 About Enzene Biosciences Limited

Enzene, a subsidiary of Alkem Laboratories Ltd., is an innovation driven biotech company.

Based in Pune, India. Its focus lies in producing biosimilars, novel biologics, synthetic peptides and phytopharmaceuticals, using innovative manufacturing technologies, with an aim to disrupt the cost barrier. Enzene also offers a range of CDMO and CMO services for biologics.

Notes to Editor: About osteoporosis

Osteoporosis remains largely underdiagnosed and undertreated, resulting in a large number of fractures.

  • It is a significant health issue – affecting ~200 million people worldwide3
  • Osteoporosis affects more women than men and risk increases with age4
  • After the menopause women start to lose bone at a faster rate, raising the risk for women who have had an early menopause or hysterectomy4
  • One in three women aged over 50 will suffer a fragility fracture5
  • Up to a third of patients treated with bisphosphonates (one in three) take their bisphosphonate with food, which may increase fracture risk6
  • Hip, spine and wrist fractures are the most common fractures, which have a debilitating impact on daily activities and quality of life5
  • After a spine fracture mortality decreased over a 5-year period by up to 16% per year7
  • Vertebral fractures can lead to back pain, loss of height, deformity, immobility, QoL, and activities of daily living8,9,10



For Theramex: Andrew Bradley, Head of Communications / +44 (0)7864 167962


For Enzene Biosciences Ltd: Dr. Tarun Chawla, Head of Business Development /



  1. 2020 MIDAS sales figures Q1-Q4
  2. Denosumab SmpC. Available at: Last accessed: June 2021
  3. Noh JY, Yang Y and Jung H. Molecular mechanisms and emerging therapeutics for osteoporosis. Int J Mol Sci. 2020; 21, 7623 DOI: 10.3390/ijms21207623
  4. IOF. Risk Factors. Last accessed: June 2021
  5. IOF Compendium of Osteoporosis. 25th September 2019. Last accessed: June 2021
  6. Vytrisalova et al CLIMACTERIC 2015;18:608–616
  7. Johnell O et al. Mortality After Osteoporosis Fractures. Osteoporos Int 15, 38-42 (2004)
  8. Nevitt MC et al. (1998), Ann Intern Med 128:793.
  9. Lips P et al  (1999), Osteoporos Int 10:150.
  10. Tosteson AN et al, (2001), Osteoporos Int 12:1042




Job number: Prolia_AU-GB-CH_PRESSR_003961

Date of preparation: June 2021



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Last Updated: 11-Jun-2021