Drug

Protriptyline

As of the edition of 20 October 2026, Protriptyline is a small molecule: marketed, first approved in 1982 (US); acts on SLC6A2 and SLC6A4; no US protection is listed.

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

The drug

Status
Marketed; latest approval 1982
Kind
Small molecule
Brand name
Vivactil
First approved
1 January 1982 (US)
Approvals on record
2 in 1 region
Holder of the most recent approval
Teva
Registered trials
1, 0 stopped early

US protection

No US protection is listed.

The FDA registers list no drug-substance patent or exclusivity that counts for this drug.

This is the US only.

Targets

GeneProteinUniProt
SLC6A2Sodium-dependent noradrenaline transporterP23975
SLC6A4Sodium-dependent serotonin transporterP31645

Registered trials

PhaseTrialsCompletedActiveStopped early
Phase not stated1100
All trials1

Who has held its approvals

CompanyRoleYears
TevaAcquired holder2013 to now
Merck & Co.Earlier holder