Santarus (Nasdaq: SNTS) is expected to report Q4 earnings on March 4. Here's what Wall Street wants to see:

The 10-second takeaway
 Comparing the upcoming quarter to the prior-year quarter, average analyst estimates predict Santarus's revenues will expand 45.8% and EPS will decrease -66.7%.

The average estimate for revenue is $62.0 million. On the bottom line, the average EPS estimate is $0.01.

Revenue details
 Last quarter, Santarus booked revenue of $54.7 million. GAAP reported sales were much higher than the prior-year quarter's $26.8 million.

Source: S&P Capital IQ. Quarterly periods. Dollar amounts in millions. Non-GAAP figures may vary to maintain comparability with estimates.

EPS details
 Last quarter, EPS came in at $0.13. GAAP EPS of $0.13 for Q3 were much higher than the prior-year quarter's $0.01 per share.

Source: S&P Capital IQ. Quarterly periods. Non-GAAP figures may vary to maintain comparability with estimates.

Recent performance
 For the preceding quarter, gross margin was 66.3%, much worse than the prior-year quarter. Operating margin was 16.3%, much better than the prior-year quarter. Net margin was 16.4%, much better than the prior-year quarter.

Looking ahead

The full year's average estimate for revenue is $209.8 million. The average EPS estimate is $0.20.

Investor sentiment
 The stock has a three-star rating (out of five) at Motley Fool CAPS, with 137 members out of 151 rating the stock outperform, and 14 members rating it underperform. Among 32 CAPS All-Star picks (recommendations by the highest-ranked CAPS members), 28 give Santarus a green thumbs-up, and four give it a red thumbs-down.

Of Wall Street recommendations tracked by S&P Capital IQ, the average opinion on Santarus is buy, with an average price target of $10.44.