BIRMINGHAM, England, May 16 (TNSjou) -- Aston University issued the following news: * * * Major trial shows increasing bone density fails to cut fracture risk in brittle bone disease * A JAMA study tested a two stage drug treatment for fracture prevention in adults with osteogenesis imperfecta * Raising bone density did not reduce fracture risk * The randomised trial showed density gains in the spine and hip but no benefit over standard care. * An international clinical trial involving Aston University researchers has challenged long hel more PR