Drugs / Parathyroid Hormone

Regulatory milestones approvals, filings & regulatory actions · 3 recorded

MilestoneJurisdictionBrandIndicationDateSentence it was read from
Withdrawn EU (EMA) Natpar 2026-07-01 europa.eu
Approved · conditional EU (EMA) Natpar 2017-04-24 europa.eu
Approved US (FDA) NATPARA 2015-01-23 fda.gov

Trials 23 · a red edge is where a trial was stopped

PhaseRegistry idDatesIndicationSponsorStatusOutcome
Phase 15 trials
Phase 1 NCT05137730 Nov 2021 → Apr 2022 Takeda Completed No outcome recorded
Phase 1 NCT03150108 May → Jun 2017 hypoparathyroidism Shire Completed No outcome recorded
Phase 1 NCT02781844 Apr 2017 → Mar 2019 hypoparathyroidism Shire Completed No outcome recorded
Phase 1 NCT02478879 Jun → Nov 2015 postmenopausal osteoporosis Zosano Pharma Corporation Completed No outcome recorded
Phase 1 NCT00299780 Jul 2004 → Apr 2007 acute myeloid leukemia, plasma cell myeloma Massachusetts General Hospital Completed No outcome recorded
Phase 1/21 trial
Phase 1/2 NCT00007306 Jan 2000 → Apr 2005 psoriasis National Institute of Arthritis and Musculoskeletal and Skin Diseases (NIAMS) Completed No outcome recorded
Phase 21 trial
Phase 2 NCT00172107 May 1995 → Mar 1997 osteoporosis Shire Completed No outcome recorded
Phase 313 trials
Phase 3 NCT03878953 Aug 2022 → May 2023 hypoparathyroidism Shire Withdrawn No outcome recorded
Phase 3 NCT03364738 Sep 2018 → Apr 2020 hypoparathyroidism Shire Terminated No outcome recorded
Phase 3 NCT01455181 Aug 2011 → Apr 2012 hypoparathyroidism Shire Completed No outcome recorded
Phase 3 NCT01297309 Apr 2011 → Jun 2018 hypoparathyroidism Shire Completed No outcome recorded
Phase 3 NCT01268098 Feb → Sep 2011 hypoparathyroidism Shire Completed No outcome recorded
Phase 3 NCT01199614 Dec 2009 → Jun 2017 hypoparathyroidism Columbia University Completed No outcome recorded
Phase 3 NCT00732615 Dec 2008 → Sep 2011 hypoparathyroidism Shire Completed No outcome recorded
Phase 3 NCT00365456 Jul 2006 → Jan 2011 osteoporosis Takeda Completed No outcome recorded
Phase 3 NCT00172120 Jan 2005 → Oct 2006 osteoporosis Shire Completed No outcome recorded
Phase 3 NCT00172172 Jan 2004 → Mar 2005 osteoporosis Shire Completed No outcome recorded
Phase 43 trials
Phase 4 NCT03324880 Jan 2018 → May 2022 hypoparathyroidism Shire Completed No outcome recorded
Phase 4 NCT02910466 Oct 2016 → Dec 2019 hypoparathyroidism Shire Completed No outcome recorded
Phase 4 NCT00583518 Nov 2007 → Nov 2011 postmenopausal osteoporosis Nycomed Completed No outcome recorded
Also used as a comparator or background therapy in 8 trials
PhaseRegistry idDatesIndicationSponsorStatusOutcome
Phase 23 trials
Phase 2 NCT03516773 Comparator Jun → Dec 2018 hypoparathyroidism Entera Bio Ltd. Completed No outcome recorded
Phase 2 NCT00730210 Comparator Jun 2008 → Aug 2010 hypoparathyroidism University of Aarhus Completed No outcome recorded
Phase 2 NCT00005006 Comparator Sep 1987 → Feb 2003 osteoporosis Helen Hayes Hospital Completed No outcome recorded
Phase 2/31 trial
Phase 2/3 NCT00683163 Comparator May 2008 → Apr 2011 osteoporosis University of California, San Francisco Completed No outcome recorded
Phase 32 trials
Phase 3 NCT01466829 Comparator Oct 2012 → Mar 2014 University of Aarhus Completed No outcome recorded
Phase 3 NCT00856401 Background Sep 2010 → Dec 2020 hypoparathyroidism National Institute of Diabetes and Digestive and Kidney Diseases (NIDDK) Unknown No outcome recorded
Phase 42 trials
Phase 4 NCT00479037 Comparator Apr 2007 → Feb 2009 osteoporosis Nycomed Completed No outcome recorded
Phase 4 NCT00221299 Comparator Sep 2005 → Mar 2009 osteoporosis University of California, Davis Completed No outcome recorded

Press releases naming this drug 5 releases

DateIssuerRelease
2019-09-05 Takeda Takeda Issues US Recall of NATPARA ® (parathyroid hormone) for Injection Due to the Potential for Rubber Particulate takeda.com
2017-04-26 Takeda Shire Granted EU Conditional Marketing Authorisation for Natpar®▼ (Parathyroid Hormone) for the Treatment of Patients with Chronic Hypoparathyroidism takeda.com
2017-02-24 Takeda CHMP Recommends EU Conditional Marketing Authorisation for Natpar® (Parathyroid Hormone) for Patients with Chronic Hypoparathyroidism takeda.com
2015-03-31 Takeda Natpara parathyroid hormone for Injection Now Available in the US takeda.com
2015-01-23 Takeda Shire Comments On Press Release From NPS Pharma Regarding FDA Approval Of NATPARA® (Parathyroid Hormone) takeda.com

Evidence & citations 14 cited values

Every value below carries the sentence it was read from. 38 sources stand behind the page.

FieldValueCited text
Known as parathyroid hormone “The effects of treatment with 100 μg parathyroid hormone (PTH) (1-84) or an identical placebo on muscle function and quality of life (QoL) was studied in hypoparathyroid patients.” PMID 24687385 Apr 2014
9

“The purpose of this study is to determine which of two delivery methods of Parathyroid Hormone (PTH) is preferred by patients after 14 days of use for each.” NCT02478879

“Phase I Study of Parathyroid Hormone in Combination With G-CSF in Patients Requiring Additional Stem Cell Mobilization” NCT00299780

NCT00365456

NCT00583518

NCT00000427

NCT00005006

NCT00007306

NCT00221299

NCT01466829

Known as ALX1-11 “Recombinant Human Parathyroid Hormone (ALX1-11) in Postmenopausal Women With Osteoporosis” NCT00172172
4

NCT00172133

NCT00172120

NCT00172107

NCT00172081

Known as Full Length Parathyroid Hormone “Drug: Full Length Parathyroid Hormone, PTH(1-84)” NCT00479037
Known as NATPARA/NATPAR ClinicalTrials.gov intervention name — accepted as the source's own label NCT03516773
Known as NPSP558 ClinicalTrials.gov intervention name — accepted as the source's own label NCT00732615
3

NCT01268098

NCT01297309

NCT01455181

Known as parathyroid hormone (1-84) “Postmenopausal women treated with combination parathyroid hormone (1-84) and ibandronate demonstrate different microstructural changes at the radius vs. tibia: the PTH and...” PMID 23589163 Apr 2013
Known as PTH “Topical Administration of Parathyroid Hormone (PTH) in Psoriasis” NCT00007306
4

“Parathyroid hormone (PTH) is a well known anabolic drug” NCT01466829

“full length Parathyroid Hormone (PTH 1-84)” NCT00365456

“human parathyroid hormone (PTH)” NCT00005006

“Parathyroid hormone (PTH)” NCT00583518

Known as PTH (1-84) “full length Parathyroid Hormone (PTH 1-84)” NCT00365456
5

NCT00683163

NCT00730210

NCT00479037

NCT01199614

NCT00856401

Known as Recombinant Human Parathyroid Hormone “This is an Open Label Extension Study (OLES) for patients who participated in the 18 month double-blind, placebo-controlled, Phase III trial (Protocol ALX1 11 93001 the TOP...” NCT00172133
1

Recombinant Human Parathyroid Hormone (rhPTH [1-84])” NCT02781844

Known as recombinant human parathyroid hormone (1-84) “PARALLAX was a mandatory post-marketing trial assessing pharmacokinetics and pharmacodynamics of different dosing regimens of recombinant human parathyroid hormone 1-84...” PMID 38741607 Jan 2024
3

Recombinant human parathyroid hormone (1-84) (rhPTH[1-84]) is a therapy targeting the pathophysiology of HypoPT by replacing parathyroid hormone.” PMID 32738041 Oct 2020

“NPS Allelix Corp. is developing ALX1-11, recombinant human parathyroid hormone (1-84), for the treatment of osteoporosis.” NCT00172081

“Patients received recombinant human parathyroid hormone (1-84) or placebo.” PMID 41847596 Mar 2026

Known as rhPTH[1-84] “This is an Open Label Extension Study (OLES) for patients who participated in the 18 month double-blind, placebo-controlled, Phase III trial (Protocol ALX1 11 93001 the TOP...” NCT00172133
13

“CONTEXT: Chronic hypoparathyroidism (HypoPT) is conventionally managed with oral calcium and active vitamin D. Recombinant human parathyroid hormone (1-84) (rhPTH[1-84]) is a...” PMID 32738041 Oct 2020

“PARALLAX was a mandatory post-marketing trial assessing pharmacokinetics and pharmacodynamics of different dosing regimens of recombinant human parathyroid hormone 1-84...” PMID 38741607 Jan 2024

“NPSP558, a Recombinant Human Parathyroid Hormone (rhPTH [1-84]), for the Treatment of Adults With Hypoparathyroidism” NCT01297309

“recombinant human parathyroid hormone (1-84) [rhPTH(1-84)] compared with placebo” PMID 40711996 Jul 2025

“fixed 25- or 50-μg/d doses of subcutaneous rhPTH(1-84)” PMID 28942334 Sep 2017

“Recombinant Human Parathyroid Hormone (rhPTH [1-84])” NCT02781844

NCT05137730

NCT03324880

NCT02781844

NCT03878953

NCT03150108

NCT02910466

NCT03364738

Action Restore “Recombinant human parathyroid hormone (1-84) (rhPTH[1-84]) is a therapy targeting the pathophysiology of HypoPT by replacing parathyroid hormone.” PMID 32738041 Oct 2020
Modality Protein / enzyme biologic “PTH is a protein hormone that increases the calcium and phosphorus release from bone, leading to formation of new bone.” NCT00000427
Route Subcutaneous “PTH alone by daily injection under the skin” NCT00000427