Recombinant Human Prolactin for the Treatment of Lactation Insufficiency

Overview

Journal Clin Endocrinol (Oxf)

Specialty Endocrinology

Date 2010 Aug 20

PMID 20718766

Citations 17

Authors

Camille E Powe

Maureen Allen

Karen M Puopolo

Anne Merewood

Susan Worden

Lise C Johnson

Amy Fleischman

Corrine K Welt

Affiliations

Soon will be listed here.

Abstract

Context: Lactation insufficiency has many aetiologies including complete or relative prolactin deficiency. Exogenous prolactin may increase breast milk volume in this subset. We hypothesized that recombinant human prolactin (r-hPRL) would increase milk volume in mothers with prolactin deficiency and mothers of preterm infants with lactation insufficiency.

Design: Study 1: R-hPRL (60 μg/kg) was administered subcutaneously every 12 h for 28 days. Study 2: Mothers of preterm infants were randomized to receive r-hPRL (60 μg/kg), placebo or r-hPRL alternating with placebo every 12 h for 7 days.

Patients: Study 1: Mothers with prolactin deficiency (n = 5). Study 2: Mothers of premature infants exclusively pumping breast milk (n = 11).

Measurements: Change in milk volume.

Results: Study 1: Peak prolactin (27·9 ± 17·3 to 194·6 ± 19·5 μg/l; P < 0·003) and milk volume (3·4 ± 1·6 to 66·1 ± 8·3 ml/day; P < 0·001) increased with r-hPRL administration. Study 2: Peak prolactin increased in mothers treated with r-hPRL every 12 h (n = 3; 79·3 ± 55·4 to 271·3 ± 36·7 μg/l; P < 0·05) and daily (101·4 ± 61·5 vs 178·9 ± 45·9 μg/l; P < 0·04), but milk volume increased only in the group treated with r-hPRL every 12 h (53·5 ± 48·5 to 235·0 ± 135·7 ml/day; P < 0·02).

Conclusion: Twice daily r-hPRL increases milk volume in mothers with prolactin deficiency and in preterm mothers with lactation insufficiency.

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