Skip to content

InSitu Biologics

Multi-day nerve block injection for post-surgical pain

Raised to date

$1.3M

of $3.4M offered across 1 Form D filing

Still open
$2.1M
Investors
1
Last filed
Oct 14, 2026

About

InSitu Biologics is a near-clinical-stage company developing injectable sustained-release drug delivery for localized, site-specific treatment. Its platform forms a reservoir at the injection site and releases drug over several days. The lead product, INSB200, is a sustained-release ropivacaine formulation for peripheral nerve blocks targeting three to five days of post-surgical pain relief from one injection, with an IND planned for Q1 2027 and a Phase 1/2 bunionectomy trial in Q2 2027. The company also has a license agreement with Mayo Clinic to co-develop anti-cancer therapeutics on the platform.

A single injection that forms a local drug reservoir and releases anesthetic over multiple days at the surgical site.

Funding

$3.4M round, Aug 2026$1.3M sold$2.1M still openJun 2026Aug
Now
  • DebtFiled Oct 14, 2026Form D/A
    $1.3M/ $3.4M

Product

INSB200

Post-surgical analgesic (preclinical)

Investigational sustained-release formulation of ropivacaine for peripheral nerve blocks after surgery.

  • Forms a drug reservoir at the injection site
  • Multi-day release of ropivacaine
  • Peripheral nerve block administration

Built for

Surgeons, anesthesiologists and hospitals managing post-operative pain

People on file