Efficacy of pamidronate in reducing skeletal events in patients with advanced multiple myeloma

James R. Berenson, Alan Lichtenstein, Lester Porter, Meletios A. Dimopoulos, Roldolfo Bordoni, Sebastian George, Allan Lipton, Alan Keller, Oscar Ballester, Michael J. Kovacs, Hilary A. Blacklock, Richard Bell, Joseph Simeone, Dirk J. Reitsma, Maika Heffernan, John Seaman, Robert D. Knight

Research output: Contribution to journalArticlepeer-review

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Background. Skeletal complications are a major clinical manifestation of multiple myeloma. These complications are caused by soluble factors that stimulate osteoclasts to resorb bone. Bisphosphonates such as pamidronate inhibit osteoclastic activity and reduce bone resorption. Methods. Patients with stage III multiple myeloma and at least one lytic lesion received either placebo or pamidronate (90 mg) as a four-hour intravenous infusion given every four weeks for nine cycles in addition to antimyeloma therapy. The patients were stratified according to whether they were receiving first-line (stratum 1) or second-line (stratum 2) antimyeloma chemotherapy at entry into the study. Skeletal events (pathologic fracture, irradiation of or surgery on bone, and spinal cord compression), hypercalcemia (symptoms or a serum calcium concentration ≥12 mg per deciliter [3.0 mmol per liter]), bone pain, analgesic-drug use, performance status and quality of life were assessed monthly. Results. Among 392 treated patients, the efficacy of treatment could be evaluated in 196 who received pamidronate and 181 who received placebo. The proportion of patients who had any skeletal events was significantly lower in the pamidronate group (24 percent) than in the placebo group (41 percent, P<0.001), and the reduction was evident in both stratum 1 (P=0.04) and stratum 2 (P=0.004). The patients who received pamidronate had significant decreases in bone pain and no deterioration in performance status and quality of life. Pamidronate was well tolerated. Conclusions. Monthly infusions of pamidronate provide significant protection against skeletal complications and improve the quality of life of patients with stage III multiple myeloma.

Original languageEnglish (US)
Pages (from-to)488-493
Number of pages6
JournalNew England Journal of Medicine
Issue number8
StatePublished - Feb 22 1996

All Science Journal Classification (ASJC) codes

  • General Medicine


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