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Last Updated: June 14, 2025

Investigational Drug Information for CRN00808


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What is the development status for investigational drug CRN00808?

CRN00808 is an investigational drug.

There have been 7 clinical trials for CRN00808. The most recent clinical trial was a Phase 2 trial, which was initiated on December 17th 2021.

The most common disease conditions in clinical trials are Acromegaly and [disabled in preview]. The leading clinical trial sponsors are Crinetics Pharmaceuticals Inc. and [disabled in preview].

There are two US patents protecting this investigational drug and twenty-eight international patents.

Recent Clinical Trials for CRN00808
TitleSponsorPhase
A Study to Evaluate the Safety and Efficacy of Paltusotine for the Treatment of Acromegaly (PATHFNDR-2)Crinetics Pharmaceuticals Inc.Phase 3
A Study to Evaluate the Safety and Efficacy of Paltusotine for the Treatment of AcromegalyCrinetics Pharmaceuticals Inc.Phase 3
Mass Balance and Pharmacokinetics of [14C]-CRN00808 in Healthy VolunteersCrinetics Pharmaceuticals Inc.Phase 1

See all CRN00808 clinical trials

Clinical Trial Summary for CRN00808

Top disease conditions for CRN00808
Top clinical trial sponsors for CRN00808

See all CRN00808 clinical trials

US Patents for CRN00808

Drugname Patent Number Patent Title Patent Assignee Estimated Expiration
CRN00808 ⤷  Try for Free Somatostatin modulators and uses thereof CRINETICS PHARMACEUTICALS, INC. (San Diego, CA) ⤷  Try for Free
CRN00808 ⤷  Try for Free Somatostatin modulators and uses thereof CRINETICS PHARMACEUTICALS, INC. (San Diego, CA) ⤷  Try for Free
>Drugname >Patent Number >Patent Title >Patent Assignee >Estimated Expiration

International Patents for CRN00808

Drugname Country Document Number Estimated Expiration Related US Patent
CRN00808 Australia AU2017296392 2036-07-14 ⤷  Try for Free
CRN00808 Australia AU2020277122 2036-07-14 ⤷  Try for Free
CRN00808 Brazil BR112019000692 2036-07-14 ⤷  Try for Free
CRN00808 Canada CA3030423 2036-07-14 ⤷  Try for Free
>Drugname >Country >Document Number >Estimated Expiration >Related US Patent

Development Update and Market Projections for CRN00808

Introduction to CRN00808

CRN00808, also known as paltusotine hydrochloride, is a novel drug candidate under development by Crinetics Pharmaceuticals for the treatment of acromegaly and other conditions. Here’s a detailed look at its development progress and market projections.

Mechanism of Action

CRN00808 is a non-peptide, orally bioavailable somatostatin agonist that targets the somatostatin receptor type II (SSTR2). This mechanism is crucial for regulating the secretion of growth hormone (GH) and insulin-like growth factor 1 (IGF-1), which are key factors in the pathophysiology of acromegaly[3][4].

Clinical Trials

Phase 2 Clinical Trials

Crinetics Pharmaceuticals has initiated two Phase 2 clinical trials for CRN00808: ACROBAT EVOLVE and ACROBAT EDGE.

  • ACROBAT EVOLVE: This is a double-blind, placebo-controlled, randomized withdrawal study designed to evaluate the safety, pharmacokinetics, and efficacy of CRN00808 in adult patients with acromegaly who are responders to octreotide LAR or lanreotide depot. Patients will switch from their prior injectable therapy to CRN00808 capsules, taken once daily by mouth. The primary endpoint is the proportion of patients who meet responder criteria, defined as the mean of two consecutive IGF-1 measurements ≤ Upper Limit of Normal (ULN) after 13 weeks[1][4].

  • ACROBAT EDGE: This is an open-label exploratory study to evaluate the safety, pharmacokinetics, and efficacy of CRN00808 in patients with acromegaly who do not adequately respond to octreotide LAR or lanreotide depot monotherapy or require second-line therapies. Participants will switch to CRN00808 capsules for up to 13 weeks. The primary endpoint is the change from baseline in IGF-1 levels after 13 weeks[1][4].

Market Projections

Acromegaly Treatment Market Size

The global acromegaly treatment market is expected to experience significant growth in the coming years. As of 2022, the market size was valued at approximately USD 1.26 billion and is anticipated to expand at a compound annual growth rate (CAGR) of 5.7% from 2023 to 2030[5].

Growth Drivers

Several factors are driving the growth of the acromegaly treatment market:

  • Increasing Prevalence of Acromegaly: The condition affects 40 to 125 persons per million people, and its increasing incidence is contributing to the high demand for advanced treatment options[2][5].

  • Strong Drug Pipeline: CRN00808, along with other drugs like Somatuline Autogel by Ipsen Pharma and MYCAPSSA oral by Chiasma Inc., is expected to receive approval in the coming years, propelling market growth[2][5].

  • Regional Expansion: North America currently holds the largest revenue share due to favorable governmental regulations and the increasing prevalence of acromegaly. However, the Asia Pacific region is projected to see the fastest CAGR due to rising healthcare spending and investments by pharmaceutical companies in countries like China and India[2][5].

Competitive Landscape

The acromegaly treatment market is consolidated and led by companies such as Ipsen Pharma, Novartis AG, and Pfizer Inc. New entrants and existing players are focusing on developing new formulations, partnerships, distribution agreements, and regional expansions to increase their revenue share. CRN00808, with its unique oral administration route and targeted mechanism, is poised to be a significant player in this market[5].

Innovation and Regulatory Considerations

CRN00808 has shown promising results in initial Phase 1 clinical trials, where once-daily administration resulted in IGF-1 lowering in healthy volunteers. The ongoing Phase 2 studies are critical for its regulatory approval and market entry. GlobalData’s proprietary machine learning models continuously update the likelihood of approval based on real-time events impacting the clinical development process and regulatory considerations[3][4].

Patient Enrollment and Study Centers

The ACROBAT studies are being conducted at specialized endocrinology centers around the world, including centers in Europe, the United Kingdom, and the United States. Patient enrollment is ongoing, and Crinetics Pharmaceuticals has launched a website to encourage patients to join these studies[4].

Key Takeaways

  • CRN00808 is a non-peptide, orally bioavailable somatostatin agonist under development for acromegaly.
  • Phase 2 Clinical Trials: ACROBAT EVOLVE and ACROBAT EDGE are evaluating the safety, pharmacokinetics, and efficacy of CRN00808.
  • Market Growth: The acromegaly treatment market is expected to grow at a CAGR of 5.7% from 2023 to 2030.
  • Regional Expansion: North America and the Asia Pacific region are key markets, with the latter expected to see the fastest growth.
  • Competitive Landscape: CRN00808 is poised to be a significant player in a market dominated by Ipsen Pharma, Novartis AG, and Pfizer Inc.

FAQs

What is CRN00808 and how does it work?

CRN00808 is a non-peptide, orally bioavailable somatostatin agonist that targets the somatostatin receptor type II (SSTR2) to regulate the secretion of growth hormone (GH) and insulin-like growth factor 1 (IGF-1).

What are the ongoing clinical trials for CRN00808?

The ongoing clinical trials include ACROBAT EVOLVE and ACROBAT EDGE, both Phase 2 studies evaluating the safety, pharmacokinetics, and efficacy of CRN00808 in patients with acromegaly.

What is the current market size and growth projection for the acromegaly treatment market?

The global acromegaly treatment market was valued at approximately USD 1.26 billion in 2022 and is expected to grow at a CAGR of 5.7% from 2023 to 2030.

Which regions are expected to see significant growth in the acromegaly treatment market?

North America currently holds the largest revenue share, but the Asia Pacific region is projected to see the fastest CAGR due to rising healthcare spending and investments by pharmaceutical companies.

Who are the key players in the acromegaly treatment market?

The market is led by companies such as Ipsen Pharma, Novartis AG, and Pfizer Inc., with new entrants like Crinetics Pharmaceuticals also making significant contributions.

What are the primary endpoints of the ACROBAT EVOLVE and ACROBAT EDGE studies?

For ACROBAT EVOLVE, the primary endpoint is the proportion of patients who meet responder criteria (mean of two consecutive IGF-1 measurements ≤ ULN after 13 weeks). For ACROBAT EDGE, the primary endpoint is the change from baseline in IGF-1 levels after 13 weeks.

Where are the ACROBAT studies being conducted?

The studies are being conducted at specialized endocrinology centers around the world, including centers in Europe, the United Kingdom, and the United States.

Sources

  1. Crinetics Pharmaceuticals Doses First Patients in Phase 2 Clinical Trials of CRN00808 for Acromegaly - Crinetics Pharmaceuticals.
  2. Acromegaly Treatment Market Size and Forecast to 2032 - SkyQuest.
  3. Paltusotine hydrochloride (CRN-00808) in Acromegaly - Likelihood of Approval and Phase Transition Success Rate Model - GlobalData.
  4. Developing a new drug for acromegaly - Pituitary World News.
  5. Acromegaly Treatment Market Size And Share Report, 2030 - Grand View Research.
Last updated: 2025-01-01

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