Catalyst Pharmaceuticals, Inc. CPRX reported a loss of 1 cent per share in the first quarter of 2019, narrower than the Zacks Consensus Estimate of a loss of 13 cents and the year-ago loss of 6 cents.The company’s revenues of $12.4 million in the first quarter of 2019 surpassed the Zacks Consensus Estimate of $1 million. The company did not record any revenue in the year-ago quarter. Revenues came entirely from Firdapse, the company’s first approved drug for the treatment of Lambert-Eaton myasthenic syndrome (LEMS). The drug was launched in the United States in January 2019 after receiving the FDA approval in November 2018.So far this year, Catalyst’s shares have increased 64.6% year to date compared with the industry’s growth of 6.0%. Quarter in DetailThe company said that Firdapse had a strong start. As of May 9, 2019, the drug has been prescribed to409 unique LEMS patients. This included 81 patients previously naive to any form of amifampridine.Research and development (R&D) expenses were $3.3 million, almost the same as $3.2 million in the year-ago quarter. The R&D costs included expenses in medical, regulatory affairs and quality assurance programs as well as expenses from the company’s Firdapse clinical trials, studies and Expanded Access Program.General and administrative expenses totaled $8.4 million, surging 228.7% from the year-ago quarter. The increase is attributable to higherselling expenses, including the cost of the sales force and supporting personnel, product launch expenses, and market access and research expenses. The company expects selling, general and administrative expenses to increase in 2019, as it continues to build the infrastructure, and invest in commercial and patient programs to support Firdapse sales activities in 2019.Pipeline UpdateCatalyst is also working on developing Firdapse for additional indications. The company is currently conducting phase III studies, evaluating the drug for the treatment of congenital myasthenic syndromes (“CMS”) and anti-MuSK -antibody positive myasthenia gravis (MuSK-MG).The company expects to report top-line results from the phase III MuSK-MG and CMS studies in the second half of 2019.Catalyst is conducting a proof-of-concept study, evaluating Firdapse as a symptomatic treatment for patients with SMA type III. The company expects to report top-line results from the study in the first half of 2020.Catalyst Pharmaceuticals, Inc. Price, Consensus and EPS Surprise Catalyst Pharmaceuticals, Inc. price-consensus-eps-surprise-chart | Catalyst Pharmaceuticals, Inc. QuoteZacks Rank & Stocks to ConsiderCatalyst currently has a Zacks Rank #3 (Hold).Some better-ranked stocks worth considering are BioSpecifics Technologies Corp. BSTC, Eisai Co., Ltd. ESALY and Recro Pharma, Inc. REPH. All of them carry a Zacks Rank #1 (Strong Buy). You can see the complete list of today’s Zacks #1 Rank stocks here.BioSpecifics’ earnings per share estimates have increased from $2.78 to $3.01 for 2019 in the past 60 days. The company delivered a positive earnings surprise in three of the trailing four quarters, with average of 14.21%.Eisai’s earnings per share estimates have increased from $1.91 to $1.95 for 2019 and from $1.93 to $2.02 for 2020 in the past 60 days.Recro Pharma’s loss per share estimates have narrowed from $3.40 to $1.94 for 2019 and from $1.51 to 56 cents for 2020 over the past 60 days. The company delivered a positive earnings surprise in the trailing four quarters, with average of 41.88%.Today's Best Stocks from Zacks Would you like to see the updated picks from our best market-beating strategies? From 2017 through 2018, while the S&P 500 gained +15.8%, five of our screens returned +38.0%, +61.3%, +61.6%, +68.1%, and +98.3%.This outperformance has not just been a recent phenomenon. From 2000 – 2018, while the S&P averaged +4.8% per year, our top strategies averaged up to +56.2% per year. See their latest picks free >>Want the latest recommendations from Zacks Investment Research? Today, you can download 7 Best Stocks for the Next 30 Days. Click to get this free report BioSpecifics Technologies Corp (BSTC): Free Stock Analysis Report Catalyst Pharmaceuticals, Inc. (CPRX): Free Stock Analysis Report Recro Pharma, Inc. (REPH): Free Stock Analysis Report Eisai Co. (ESALY): Free Stock Analysis Report To read this article on Zacks.com click here. Zacks Investment Research