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PROLIA / XGEVA
Proper Name
Denosumab
Indication
Xgeva is a RANK ligand (RANKL) inhibitor indicated for: [1] Prevention of skeletal-related events in patients with bone metastases from solid tumors. [2] Treatment of adults and skeletally mature adolescents with giant cell tumor of bone that is unresectable or where surgical resection is likely to result in severe morbidity.
Description

Xgeva (denosumab) is a human IgG2 monoclonal antibody that binds to human RANKL. Denosumab has an approximate molecular weight of 147 kDa and is produced in genetically engineered mammalian (Chinese hamster ovary) cells.

Manufacturing Platform

PARAMETER

DATA

Manufacturer

Amgen, Inc.

Indication

Xgeva is a RANK ligand (RANKL) inhibitor indicated for:

  • Prevention of skeletal-related events in patients with bone metastases from solid tumors.
  • Treatment of adults and skeletally mature adolescents with giant cell tumor of bone that is un-resectable or where surgical resection is likely to result in severe morbidity

Cell Substrate

Chinese hamster ovary (CHO) cells

Manufacturing platform

Denosumab is manufactured by a batch-wise cell culture process in the production bioreactor followed by a harvest process using conventional unit operations (centrifugation and membrane filtration), and a purification process employing several chromatography steps (protein A, cation exchange and hydrophobic interaction), a viral inactivation step and a viral removal step. Finally, formulation is made by means of ultrafiltration/diafiltration.

Dose in vial/final container

120 mg/1.7 mL (70 mg/mL) single-use vial

Dose to patient

  • Bone Metastasis from Solid Tumors: Administer 120 mg every 4 weeks as a subcutaneous injection in the upper arm, upper thigh, or abdomen.
  • Giant Cell Tumor of Bone: Administer 120 mg every 4 weeks with additional 120 mg doses on Days 8 and 15 of the first month of therapy.

 CLINICAL TRIALS:

NCT

TRIAL PHASE

NO OF PATIENTS ENROLLED

TITLE

COUNTRIES

Primary Phase 3 trials Reviewed in original BLA

NCT00089791

3

7808

A Study to Evaluate Denosumab in the Treatment of Postmenopausal Osteoporosis  

-

NCT00091793

3

332

Study to Evaluate AMG 162 in the Prevention of Postmenopausal Osteoporosis  

-

NCT00089661

3

252

AMG 162 in the Treatment of Bone Loss in Subjects Undergoing Aromatase Inhibitor Therapy for Non-metastatic Breast Cancer       

-

NCT00089674

3

1468

AMG 162 in the Treatment of Bone Loss in Subjects Undergoing Androgen-Deprivation Therapy for Non-metastatic Prostate Cancer

-

Key trials with the new data in CR safety update

NCT00523341

3

4550

Extension Study to Evaluate the Long-Term Safety and Efficacy of Denosumab in the Treatment of Osteoporosis

-

NCT00325468

3

200

An Open-label, Single-arm Extension Study to Evaluate the Long-term Safety of Denosumab Administration in Postmenopausal Women with Low Bone Mineral Density

-

NCT00518531

3

250

Denosumab Adherence Preference Satisfaction Study

-

NCT00887965

2

15

A Transiliac Crest Bone Histology and Histomorphometry Study in Postmenopausal Women with Low Bone Mass or Osteoporosis Previously Treated with Denosumab

-

Key Regulatory Milestones

US Approval

June 01, 2010

EU Approval

July 13, 2011

Health Canada Approval

May 10, 2011

Japanese Ministry of Health, Labor and Welfare (MHLW) Approval

February 18, 2012

TGA

September 08, 2011

Advisory Committee

An Advisory Committee meeting was held during the first review cycle on August 13, 2009, to discuss the four biologic licensing applications/indications for denosumab. The advisory committee unanimously voted for the approval of denosumab for the indication “treatment of postmenopausal osteoporosis.

Advanced Facts