Drug

Lactulose

As of the edition of 20 October 2026, Lactulose is a small molecule: marketed, first approved in 1968 (ES).

Sources: FDA Orange Book and Purple Book, other approval registers, ClinicalTrials.gov, ChEMBL.

The drug

Status
Marketed; latest approval 2018
Kind
Small molecule
Brand name
Cephulac
First approved
1 May 1968 (ES)
Approvals on record
7 in 5 regions
Holder of the most recent approval
Sanwa Kagaku Kenkyusho; 6 holders in all
Registered trials
64, 5 stopped early
Disease areas
Digestive system; Nutrition and metabolism; Nervous system; Infections; Pregnancy and women's health; Urinary and reproductive

US protection

No US approval on record.

With no US approval on record there are no listed US patents or exclusivities.

This is the US only.

Registered trials

PhaseTrialsCompletedActiveStopped early
Phase not stated221061
Phase 15410
Phase 29520
Phase 311612
Phase 417922
All trials64

Who has held its approvals

CompanyRoleYears
Solvay PharmaceuticalsAcquired holder and Lead sponsor of trials2002 to now
Sanwa Kagaku KenkyushoApplicant2018 to now
Hikma PharmaceuticalsLater holder
SanofiApplicant