This Tenapanor Hydrochloride Drug Asset Due Diligence Report was built with PatSnap Life Sciences MCP workflows. Drug & Asset MCP establishes identity, ownership and stage; Clinical Trials MCP checks design, endpoints and readouts; Company & Deal Intelligence MCP reconstructs transaction precedent. Explore the MCP servers used in this report.
Decision date: 15 July 2026. Currency fields are presented in US$ millions as returned by the deal dataset. This is a screening memorandum, not legal, medical, patent or investment advice.
Approved
Highest phase
41
Registered trials
46
Result records
5
Matched deals
Advance diligence: development maturity and available evidence support continued investment, subject to indication-specific safety, IP, and commercial gates.
The central underwriting question is whether Tenapanor Hydrochloride can convert its Chemical drugs profile and NHE3 biology into clinically meaningful differentiation while preserving an investable safety, IP and commercial position.
| Asset | Tenapanor Hydrochloride (query alias: tenapanor) |
|---|---|
| Modality / target | Chemical drugs; NHE3; NHE3 inhibitors |
| Highest global status | Approved |
| Originator | Ardelyx, Inc. |
| Active developers | Ardelyx, Inc., Kyowa Kirin Co., Ltd., Shanghai Fosun Pharmaceutical Industrial Development Co., Ltd. |
The MCP disease footprint includes Hyperphosphatemia, Irritable bowel syndrome with constipation, Chronic idiopathic constipation. The highest-phase flag is a useful orientation point, but the licensing case depends on indication-level evidence and rights, not the global label alone.
| Registry | Phase | Status | Enrollment | Lead primary endpoint |
|---|---|---|---|---|
| JPRN-jRCTs051250061 | Phase 4 | Recruiting | 120 | 割付治療前後のT50 変化量ΔT50 |
| NCT07382167 | Phase 3 | Recruiting | 692 | Durable complete spontaneous bowel movements (CSBM) response |
| NCT06810167 | Phase 3 | Recruiting | 25 | Increase in SBM frequency |
The trial set should be diligenced for randomization, comparator relevance, endpoint hierarchy, analysis population, multiplicity, geographic mix and readout timing. For early-stage studies, safety and dose selection can be as decision-critical as response rate.

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Phase 2; n=1372; evaluation: Positive. Reported fields: Median time to first CSBM response = 4.0 Week ; Median time to first CSBM response = 2.0 Week
Phase 3; n=84; evaluation: Positive. Reported fields: -; Serum phosphate = 1.0 mg/dL
Not Applicable; n=13; evaluation: Negative. Reported fields: AE = Diarrhea or loose stools occurred in 7 patients, and 4 required dose reductions.
These fields are structured evidence signals, not a substitute for statistical review. The next diligence pass should reconcile denominators, confidence intervals, follow-up, censoring, dose cohorts and treatment-emergent toxicity against the original abstract, registry and protocol.
Tenapanor Hydrochloride addresses Hyperphosphatemia, Irritable bowel syndrome with constipation, Chronic idiopathic constipation. Commercial attractiveness rests on addressable biomarker-positive patients, treatment-line placement, duration, administration burden, pricing and displacement of entrenched standards. The modality—Chemical drugs—must demonstrate a benefit large enough to offset class-specific safety and operational costs.
The strongest market-validation signal in this screen is partner behavior: 5 matched transaction record(s) indicate that sophisticated counterparties have assigned strategic value to the asset or its rights. That does not establish net present value; probability of success, remaining R&D spend, royalties, cost sharing and territorial scope still need modeling.
| Date | Transaction | Phase at deal | Disclosed economics |
|---|---|---|---|
| 2019-11-26 | Ardelyx and Kyowa Kirin Expand Partnership with Two Additional Agreements | Approved | US$10.0M upfront; US$530.5M milestones; US$540.5M stated total |
| 2018-03-01 | Knight Therapeutics Announces Canadian Commercial Launch of IBSRELA™ - New Innovative Treatment for Irritable Bowel Syndrome with Constipation under a license agreement with Ardelyx | Phase 2 | Financial terms not disclosed |
| 2017-12-11 | Ardelyx Announces License Agreement with Shanghai Fosun Pharmaceutical Industrial Development Company Limited for Tenapanor in China | Phase 2 | US$12.0M upfront; US$113.0M milestones |
Headline values are not directly comparable. Diligence should normalize upfront cash, equity, development and sales milestones, tiered royalties, opt-in mechanics, cost sharing, change-of-control clauses and geography.
The milestone feed surfaced a patent-application signal described as “Oral formulations of tenapanor”.
The claim chart should separately test composition or sequence coverage, formulation and dosing, indication and biomarker claims, combinations, manufacturing know-how, prosecution history, term extensions and third-party blocking rights. Confirm that licensed patents, data and know-how track every granted territory and field.
Cross-functional diligence should also test CMC comparability, supply chain, pharmacovigilance, regulatory correspondence, data integrity, investigator concentration, partner obligations and change-of-control restrictions.
Advance diligence: development maturity and available evidence support continued investment, subject to indication-specific safety, IP, and commercial gates.
Required pre-signing gates: reproduce key efficacy analyses; complete an indication-specific safety review; run a full patent-family and freedom-to-operate search; model risk-adjusted economics by territory; and reconcile all rights, sublicenses and encumbrances.
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Data provenance: PatSnap Drug & Asset MCP, Clinical Trials MCP, and Company & Deal Intelligence MCP; accessed 15 July 2026. Counts and status fields may change as source records update.