United Therapeutics (NASDAQ: UTHR) reported quarterly earnings of $5.82 per share which missed the analyst consensus estimate of $6.92 by 15.9 percent. This is a 12.22 percent decrease over earnings of $6.63 per share from the same period last year. The company reported quarterly sales of $781.500 million which missed the analyst consensus estimate of $796.921 million by 1.94 percent. This is a 1.62 percent decrease over sales of $794.400 million the same period last year.