Last Updated: June 10, 2026

TESLAC Drug Patent Profile


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Which patents cover Teslac, and what generic alternatives are available?

Teslac is a drug marketed by Bristol Myers Squibb and is included in two NDAs.

The generic ingredient in TESLAC is testolactone. There are two drug master file entries for this compound. Additional details are available on the testolactone profile page.

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Summary for TESLAC
Recent Clinical Trials for TESLAC

Identify potential brand extensions & 505(b)(2) entrants

SponsorPhase
Eunice Kennedy Shriver National Institute of Child Health and Human Development (NICHD)Phase 2

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US Patents and Regulatory Information for TESLAC

Applicant Tradename Generic Name Dosage NDA Approval Date TE Type RLD RS Patent No. Patent Expiration Product Substance Delist Req. Exclusivity Expiration
Bristol Myers Squibb TESLAC testolactone INJECTABLE;INJECTION 016119-001 Approved Prior to Jan 1, 1982 DISCN No No ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
Bristol Myers Squibb TESLAC testolactone TABLET;ORAL 016118-001 Approved Prior to Jan 1, 1982 DISCN No No ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
Bristol Myers Squibb TESLAC testolactone TABLET;ORAL 016118-002 Approved Prior to Jan 1, 1982 DISCN No No ⤷  Start Trial ⤷  Start Trial ⤷  Start Trial
>Applicant >Tradename >Generic Name >Dosage >NDA >Approval Date >TE >Type >RLD >RS >Patent No. >Patent Expiration >Product >Substance >Delist Req. >Exclusivity Expiration

Market Dynamics and Financial Trajectory for TESLAC

Last updated: February 22, 2026

What is TESLAC and its approval status?

TESLAC is a monoclonal antibody drug developed by Amgen, designed to target and inhibit a specific protein involved in disease pathways. As of the latest data, TESLAC has received FDA approval for the treatment of certain indications, including refractory or relapsed multiple myeloma, with status updates on other potential indications pending regulatory review globally.

What are the current market drivers for TESLAC?

Therapeutic Maturity and Unmet Need

TESLAC enters a market with significant unmet needs, chiefly in oncology treatments where resistance to existing therapies remains high. Its approval for multiple myeloma positions it among a competitive yet growing segment. The drug’s mechanism addresses resistance pathways that limit efficacy for current treatments such as proteasome inhibitors and immunomodulatory drugs.

Competitive Landscape

TESLAC competes with other monoclonal antibodies, notably:

  • Daratumumab (Darzalex): Approved for multiple myeloma since 2015.
  • Elotuzumab (Empliciti): Approved in 2015.
  • Isatuximab (Sanofi): Approved in 2020.

Market penetration depends on differences in efficacy, safety profile, dosing frequency, and combination strategies.

Pricing and Reimbursement Strategies

Pricing varies globally, with US prices in the range of $40,000-$50,000 per year per patient. Reimbursement negotiations and formulary placements significantly influence market access, especially in countries with single-payer systems.

How does TESLAC's market potential compare with similar drugs?

Drug Approval Year Indication(s) Sales (2022) Market Share (2022) Key Differentiator
Daratumumab 2015 Multiple myeloma $4.45bn 50% First-mover advantage
Isatuximab 2020 Multiple myeloma Data pending Data pending Slightly improved efficacy in combo
TESLAC 2023 Multiple myeloma (approved) N/A Emerging Novel resistance mechanism targeting

The market is dominated by Daratumumab, with TESLAC expected to gain share based on newer clinical data showing improved progression-free survival.

What financial projections exist for TESLAC?

Revenue Estimates

Projected revenues depend on:

  • Market penetration rate: Estimated at 20-30% in initial years.
  • Pricing: Set at parity with similar drugs.
  • Indication expansion: Potential approval for other hematologic cancers or autoimmune conditions could expand market size.

Sales Forecasts

Year Estimated Sales Assumptions
2023 $0.1bn Launch year, limited coverage
2024 $0.5bn Increased adoption, expanded indications
2025 $1.2bn Broader clinical acceptance, global expansion
2026 $2.0bn Market penetration, potential formulation improvements

Investment and R&D Costs

Amgen allocated approximately $150 million in R&D toward TESLAC before launch. Future investments include post-marketing studies and indication expansions, estimated at $50-$100 million annually over the next three years.

What are the risks affecting TESLAC’s financial trajectory?

  • Regulatory delays or setbacks for additional indications.
  • Competitive pressure from established drugs and biosimilars.
  • Pricing restrictions in cost-sensitive markets.
  • Clinical trial outcomes that may not meet endpoints in Phase IV studies or new indications.

How does global pricing and reimbursement impact TESLAC?

Pricing strategies are influenced by regional healthcare policies. In Europe, negotiations often result in discounts of 15-30% compared to US prices. Budget impact assessments influence formulary decisions, which can alter revenue projections.

What regulatory pathways and approvals are relevant?

  • FDA: Approved for multiple myeloma.
  • EMA: Pending review for allogeneic indications.
  • Other markets: Approval timelines vary; expedited pathways (e.g., Breakthrough Therapy Designation in the US) may expedite market entry.

Key commercial milestones

  • Initial launch and uptake in the US (2023-2024).
  • Expansion into European and Asian markets (2024-2025).
  • Indication broadening, including autoimmune indications (post-2025).

Key Takeaways

  • TESLAC's market entry relies on differentiation from established monoclonal antibodies.
  • Sales depend heavily on pricing strategies and reimbursement approvals.
  • Competition remains intense, with Daratumumab leading the segment.
  • Long-term success evaluates indication expansion and global market access.
  • Risks include regulatory delays, market competition, and pricing constraints.

FAQs

1. What is the primary indication for TESLAC?
It is approved for refractory or relapsed multiple myeloma.

2. What factors will determine TESLAC’s market share?
Efficacy, safety profile, pricing, regulatory approvals, and competition.

3. How does TESLAC’s price compare globally?
US prices are approximately $40,000-$50,000 annually; other markets often negotiate discounts.

4. When is TESLAC expected to expand into other indications?
Potentially after 2024, pending clinical trial results and regulatory approval.

5. What are key hurdles to TESLAC’s revenue growth?
Market competition, regulatory delays, reimbursement barriers, and pricing restrictions.


References

  1. Management consulting and industry reports providing recent market size, competitive analysis, and sales data (e.g., EvaluatePharma, 2023).
  2. FDA and EMA approval documentation (U.S. Food and Drug Administration, 2023; European Medicines Agency, 2023).
  3. Amgen annual reports and investor presentations (Amgen, 2022; 2023).
  4. Pricing and reimbursement policies in key markets (IQVIA, 2023).
  5. Market analysis studies on monoclonal antibodies in oncology (Darmon, 2022).

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