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FDA Approval Activities for this Drug… Letairis (ambrisentan) Tablets, Gilead Sciences, Approval | Letairis (ambrisentan) Tablets, Gilead Sciences, Labeling Revision | Letairis (ambrisentan) Tablets, Gilead Sciences, Labeling Revision | Letairis (ambrisentan) Tablets, Gilead Sciences, Inc., Labeling Revision | Letairis (ambrisentan) Tablets, Gilead Sciences, Inc., Labeling Revision | Letairis (ambrisentan) Tablets, Gilead Sciences, Inc., Supplement ^ FDA's latest approval appears at the bottom of this list. ^                                                                                      A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U-Z Health Topics | News Feed for each API | DMF Index | Pharma Job Search | Pharma Company News © 2009 Betterchem.com