WALTHAM, Mass. (AP) _ Repligen Corp. (RGEN) on Tuesday reported first-quarter profit of $29.5 million.

The Waltham, Massachusetts-based company said it had net income of 52 cents per share. Earnings, adjusted for one-time gains and costs, were 68 cents per share.

The results topped Wall Street expectations. The average estimate of six analysts surveyed by Zacks Investment Research was for earnings of 43 cents per share.

The drug developer posted revenue of $142.8 million in the period, also exceeding Street forecasts. Seven analysts surveyed by Zacks expected $116.2 million.

Repligen expects full-year earnings in the range of $2.21 to $2.28 per share, with revenue in the range of $565 million to $590 million.

Repligen shares have risen nearly 9% since the beginning of the year. The stock has risen 84% in the last 12 months.

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This story was generated by Automated Insights (http://automatedinsights.com/ap) using data from Zacks Investment Research. Access a Zacks stock report on RGEN at https://www.zacks.com/ap/RGEN