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IONIS GHR-LRx

Phase 2

Acromegaly | Small molecule | Endocrine |Ionis Pharmaceuticals, Inc.|Last Updated: Mar 22, 2023

Success Probability
Approval Probability 71%
TA Base Rate26%
Adjusted LOA41%
ML RiskLOW_RISK
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Market & Valuation
rNPV $3.2B
Market Size $9.4B
Revenue Basis $1.6B
Competitors 6
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Trial Design
RandomizedDouble-BlindPLACEBO_CONTROLLEDBiomarker
Total Trials2
Total Enrollment82
FDA Designations
No designations recorded
Clinical Trials (2)
NCT IDTitlePhaseStatusEnrollmentVelocityDesignStartCompletionLast UpdatedSitesCountries
NCT03967249Extension Study of IONIS-GHR-LRx Administered to Participants With Acromegaly Being Treated With Long-acting Somatostatin Receptor LigandsPHASE2 COMPLETED 39Jul 25, 2019Jul 7, 2022Mar 22, 202322 United States, Hungary +4
NCT03548415Safety, Tolerability, and Efficacy of IONIS-GHR-LRx in Participants With Acromegaly Being Treated With Long-acting Somatostatin Receptor LigandsPHASE2 COMPLETED 43Sep 13, 2018Apr 2, 2021Nov 14, 202233 United States, Hungary +5
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Study Endpoints
Primary Endpoints
The Incidence of Adverse Events
Up to approximately 16 months

Incidence of adverse events (AEs), serious AEs, treatment related AEs, AEs leading to withdrawal

Percent Change in Serum Insulin-like Growth Factor-1 (IGF-1) From Baseline to 28 Days After Last Dose
Baseline and 28 days after last dose (Day 141)

IGF-1 is a hormone that manages the effects of growth hormone (GH) in the body. Percent change from Baseline in IGF-1 levels was measured at Day 141. Baseline was defined as the last non-missing value prior to the first administration of Study Drug (ISIS 766720 or placebo). A negative percent change from Baseline indicated improvement. To perform a meaningful assessment of the pharmacodynamic (PD) activity of ISIS 766720, the lower dose groups (60 mg and 80 mg) and higher dose groups (120 mg and 160 mg) were combined to achieve group size of 7 or more for PD assessments and these were designated as low-dose and high-dose groups respectively.

Number of Participants With Treatment-emergent Adverse Events (TEAEs)
Up to 211 days

A TEAE was defined as an adverse event that occurred after the initiation of study drug dosing and before the end of the follow-up period.

Number of Participants With TEAEs Related to Clinically Significant Vital Sign Findings
Up to 211 days

Vitals signs included blood pressure, heart rate, respiratory rate, and temperature recorded throughout the study. Clinical significance was determined by the investigator.

Number of Participants With TEAEs Related to Clinically Significant Physical Examination Findings
Up to 211 days

Physical examination included weight and body mass index (BMI) recorded throughout the study. Clinical significance was determined by the investigator.

Number of Participants With TEAEs Related to Clinically Significant Laboratory Evaluation Findings
Up to 211 days

Clinical laboratory assessments included clinical chemistry, hematology, and urinalysis. Clinically-significant abnormal laboratory values were reported as TEAEs if the results may, in the opinion of the Investigator, constitute or be associated with an AE.

Number of Participants With TEAEs Related to Clinically Significant Electrocardiogram (ECG) Findings
Up to 211 days

ECG assessments included QT, QRS duration, PR interval, ventricular rate, QTcB, QTcF.

Secondary Endpoints
Percent Change from Baselines in Insulin-like Growth Factor I (IGF-1) Levels
Baseline and at Week 26 and Week 53
Percentage of Participants who Achieve Normalized IGF-1 Levels to Within 1.2 Times of Gender and Age-Adjusted Upper Limits
Week 26 and at 28 days after the Week 53 dose
Percentage of Participants who Achieve Normalized IGF-1 Levels to Within 1.0 Times of Gender and Age-Adjusted Upper Limits
Week 26 and at 28 days after the Week 53 dose
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Study Design & Arms
AllocationNA
MaskingNONE
ModelSINGLE_GROUP
PurposeTREATMENT
Treatment Arms
ArmTypeDescription
IONIS GHR-LRx + Somatostatin Receptor Ligand (SRL)EXPERIMENTALIONIS GHR-LRx (as per dose in previous study) will be administered subcutaneously once every 28 days for 53 weeks.
PlaceboPLACEBO_COMPARATORParticipants received placebo by subcutaneous injection (SC) once every 4 weeks for 16 weeks.
Cohort A: IONIS GHR-LRx, 60 mgEXPERIMENTALParticipants received IONIS GHR-LRx, 60 milligrams (mg), SC, once every 4 weeks for 16 weeks.
Cohort B: IONIS GHR-LRx, 80 mgEXPERIMENTALParticipants received IONIS GHR-LRx, 80 mg, SC, once every 4 weeks for 16 weeks.
Cohort C: IONIS GHR-LRx, 120 mgEXPERIMENTALParticipants received IONIS GHR-LRx, 120 mg, SC, once every 4 weeks for 16 weeks.
Cohort D: IONIS GHR-LRx, 160 mgEXPERIMENTALParticipants received IONIS GHR-LRx, 160 mg, SC, once every 4 weeks for 16 weeks.
Interventions
NameTypeDescription
IONIS GHR-LRxDRUGParticipants will receive IONIS GHR-LRx by subcutaneous injection.
Somatostatin Receptor Ligand (SRL)DRUGParticipants will receive Somatostatin Receptor Ligand (lanreotide, octreotide) once monthly.
IONIS-GHR-LRxDRUGIONIS GHR-LRx administered subcutaneously.
PlaceboDRUGPlacebo administered subcutaneously.
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Eligibility Criteria
Age Range18 Years — 75 Years
SexALL
Healthy VolunteersNo
Study Sites22

Inclusion Criteria: * Randomized in index trial (CS2) and completed the entire study, or completion of the treatment period for CS2 and completed or plan to complete PTWK5 visit with an acceptable safety profile, per investigator judgment * Participants with confirmed stable monthly regimen of SRL ...

Countries:United StatesHungaryLithuaniaPolandRussiaSerbiaRomania
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