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Rhythm, a Boston-based biotech firm, has raised $33 million in a second financing round. Pfizer Venture Investments chipped in $8 million as a new investor. To date, the nearly three-year-old company has raised $73 million. Rhythm will use the funding to advance small-peptide therapeutics that target metabolic diseases. Rhythm’s ghrelin agonist RM-131 is in Phase II clinical trials for treating gastrointestinal disorders. A melanocortin-4 receptor agonist, RM-493, is in Phase I trials for treating obesity and diabetes.
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